The percent increase in the vaIue οf the parceI οf Iand is 8%.
Tο find the percent increase in the vaIue οf the parceI οf Iand, we need tο determine the difference between the current vaIue and the οriginaI vaIue, and then express that difference as a percentage οf the οriginaI vaIue.
What is the fοrmuIa fοr percent increase?percent increase = (new vaIue - οId vaIue) / οId vaIue x 100%
PIugging in the vaIues given in the prοbIem, we get:
percent increase = ($15,444 - $14,300) / $14,300 x 100%
percent increase = $1,144 / $14,300 x 100%
percent increase = 0.08 x 100%
percent increase = 8%
Therefοre, the percent increase in the vaIue οf the parceI οf Iand is 8%.
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The graph shows the cube root parent function
The true statement is A, for x < 0 the function is negative.
Which statements describe the graph of the function?On the image we can see the graph of the parent cube root function.
y = ∛x
And we want to see which statements are true. Remember that the function is negative if the graph is below the x-axis and positive if it is above, using that we can analyze the graph.
First, notice that for x < 0 the graph is below the x-axis, then the first statement is true.
When x < 0, the function is negative.
So the only correct option is A.
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A family is considering selling a four-wheeler they had purchased for $8,200. They discover that a used four-wheeler depreciates at 12% per year. Write an equivalent equation using the monthly decay factor. What is the monthly decay rate of the four-wheeler?
The monthly decay factor is 0.0733 of the four-wheeler, and the equation is x = P(D)ˣ.
What does it mean by depreciation?Depreciation is an important subject in finance and economics since it is used to determine an asset's worth over time. For accounting and financial reporting needs, it enables people and businesses to monitor the fall in the value of their assets. Depreciation may be utilised to lower taxable income, which in turn lowers tax liabilities, hence it also plays a part in tax legislation.
The yearly decay factor is given as:
yearly decay factor = 1 - depreciation rate
yearly decay factor = 1 - 0.12
yearly decay factor = 0.88
Divide the yearly decay factor by 12:
monthly decay factor = yearly decay factor / 12
monthly decay factor = 0.88 / 12
monthly decay factor = 0.0733
n equivalent equation using the monthly decay factor as follows:
value after x months = initial value x (monthly decay factor)ˣ
x = P(D)ˣ
Hence, the monthly decay factor is 0.0733 of the four-wheeler, and the equation is x = P(D)ˣ
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Write the equation of the conic section shown below.
The equation of the conic section shown below is x² + y² + 10x + 2y - 20 = 0
Describe Circle?A circle is a two-dimensional geometric shape that consists of a set of points in a plane that are equidistant from a fixed point called the center. The distance from the center to any point on the circle is called the radius.
A circle can be defined by its center point and radius or by its circumference, which is the distance around the perimeter of the circle. The circumference of a circle can be calculated using the formula:
C = 2πr
where C is the circumference, r is the radius, and π (pi) is a mathematical constant approximately equal to 3.14.
The center of the circle is (-5,-1) and its radius is the distance from the center to any point on the circle. Using the distance formula, we can find the radius:
r = √((0 - (-1))² + (-10 - (-5))²) = √(1 + 25) = √(26)
So, the equation of the circle in standard form is:
(x + 5)² + (y + 1)² = 26
Alternatively, in general form, it can be written as:
x² + y² + 10x + 2y - 20 = 0
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PLS HELP- A satellite can move at 17,000 miles per hour. How many hours will it take to reach a star that is three light years away? Recall that 1 light year = 9.5 ∙ 1012 kilometers and 1 kilometer = 0.62 miles. Show your work.
Answer:
3.465 x 10⁸ hours
or
346,500,000 hours
Step-by-step explanation:
Distance to travel to star = 9.5 x 10¹² kilometers
1 kilometer = 0.62mile
Therefore
9.5 x 10¹² km = 9.5 x x 10¹ x 0.6 miles
= 5.89 x 10¹² miles
Speed of satellite = 17,000 mph
In scientific notation
17,000 = 17 x 10³ = 1.7 x 10⁴ mph
Time taken to reach star at distance of 5.89 x 10¹² miles
= 5.89 x 10¹² miles/1.7 x 10⁴ mph = 5.89/1.7 x 10¹²/10⁴
= 3.465 x 10¹²⁻⁴
= 3.465 x 10⁸ hours
= 346,500,000 hours
ALGEBRA 1 HW!! 35 POINTS!!I WILL GIVE BRAINLYEST FOR ANSWERS
The value of the ratio g(24)/g(21) is 729, and other solutions are shown below
The pattern of the infinite sequenceThe domain and the range of h(n)
Given that
h(n) is the number of houses
The possible values of n and h(n) are whole numbers
So, we have
Domain: All set of whole numbersRange: All set of whole numbersThe values of h(5) and h(11)
Based on the patterns in the sequence, we have
h(n) = n
So, we have
h(5) = 5
h(11) = 11
The explicit function of h(n)
In (b), we have
h(n) = n
The values of s(4) and s(7)
Given that
s(n) is the number of segments
Based on the patterns in the sequence, we have
s(n) = 2n
So, we have
s(4) = 8
s(7) = 14
The growth pattern of s(n)
Above, we have
s(n) = 2n
The above equation is a proportional equation
This means that
The growth pattern of s(n) is linear, with a constant rate of change
The explicit function of s(n)
Above, we have
s(n) = 2n
The table of the infinite sequenceComplete the table for f(5) and f(7)
From the table, we can see that
As n increases, the value of f(n) is divided by 2 to get the next term
So, we have
f(5) = 2/2 = 1
f(7) = 1/2/2 = 1/4
The domain of f(n)
The possible values of n are real numbers
So, we have
Domain: All set of real numbers
The observation of the function
Above, we have
As n increases, the value of f(n) is divided by 2 to get the next term
This means that
As n gets larger and larger, the value of f(n) get halved
A doubling sequence g(n)The value of g(4)
From the question, we have
First term, a = 9
Common ratio, r = 2
This means that
g(n) = 2(9)^n-1
So, we have
g(4) = 2(9)^3
g(4) = 1458
Completing the statements
Based on the function definitions, the statements when completed are
g(n) = g(n - 1) * 2g(n) = g(n - 2) * 4g(n) = g(n - 3) * 8The value of the ratioRecall that
g(n) = 2(9)^n-1
So, we have
g(24) = 2(9)^23
g(21) = 2(9)^20
Divide the equations
g(24) = 2(9)^23
------- ----------
g(21) = 2(9)^20
Evaluate
g(24)/g(21) = 729
Hence, the value of the ratio is 729
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please help i really need ittt!!!!!!!!!!!!!!!!!!!!!!!!!
A 2.5 m ramp is used to load a truck 1.0 m off of the ground. A man uses 600 N of force to load a box weighing 1200 N. What is the efficiency of the ramp? What is the mechanical advantage of the ramp?
Answer:
To find the efficiency of the ramp, we need to compare the work output to the work input. Work input is the force applied to the ramp multiplied by the distance over which the force is applied, and work output is the weight of the box multiplied by the distance it is lifted.
The force applied to the ramp is 600 N, and the distance over which it is applied is the length of the ramp, which is 2.5 m. So the work input is:
work input = force x distance = 600 N x 2.5 m = 1500 J
The weight of the box is 1200 N, and the distance it is lifted is 1.0 m (the height of the truck). So the work output is:
work output = weight x distance = 1200 N x 1.0 m = 1200 J
The efficiency of the ramp is the ratio of work output to work input:
efficiency = work output / work input = 1200 J / 1500 J = 0.8 = 80%
So the efficiency of the ramp is 80%.
To find the mechanical advantage of the ramp, we need to compare the output force to the input force. The output force is the weight of the box, which is 1200 N. The input force is the force applied to the ramp, which is 600 N.
So the mechanical advantage of the ramp is:
mechanical advantage = output force / input force = 1200 N / 600 N = 2
So the mechanical advantage of the ramp is 2.
Question 7
Type in the correct coordinates for the image after each reflection. WHEN YOU TYPE IT
IN... USE THE APPROPRIATE FORM. NO SPACES BETWEEN SYMBOLS AND NUMBERS.
USE PARENTHESIS.
Example: (2,-3)
Preimage
(1,5)
(-4,7)
(6,-2)
(-3,-8)
Reflect x-axis
(1,-5)
(4,-7)
(6,2)
(-3,8)
Reflect y-axis
(-1,5)
(4,7)
(-6,-2)
(3,-8)
Reflect yax
(5,1)
(7,-4)
(-2,6)
Iz pis
(-8,-3)
The coordinates of the image of the points following the reflection transformation can be presented as follows;
Preimage [tex]{}[/tex] Reflect x-axis Reflect y-axis Reflect y = x
(1, 5) [tex]{}[/tex] (1, -5) (-1, 5) (5, 1)
(-4, 7) [tex]{}[/tex] (-4, -7) (4, -7) (7, -4)
(6, -2)[tex]{}[/tex] (6, 2) (-6, 2) (-2, 6)
(-3, -8) [tex]{}[/tex] (-3, 8) (3, -8) (-8, -3)
What is a reflection transformation?A reflection transformation is a transformation in which a preimage point is flipped across a line of reflection.
The coordinates of the image of the point (x, y), following a reflection across the x-axis is the point (x, -y)
The coordinates of the image of the point (x, y) following a reflection across the y-axis is the point (-x, y)
The coordinates of the image of the point (x, y) following a reflection across the line, y = x is the point (y, x)
The coordinates of the images of the specified points after the specified reflections are therefore;
The values in the table of the coordinates of the Preimages and images can therefore, be obtained as follows;
Preimage point (1, 5);
The image after a reflection across the x-axis is therefore;
(1, 5) [tex]\underrightarrow{R_{x-axis}}[/tex] (1, -5)The image after a reflection across the y-axis, therefore;
(1, 5) [tex]\underrightarrow{R_{y-axis}}[/tex] (-1, 5)The image after a reflection across the line y = x is therefore;
(1, 5) [tex]\underrightarrow{R_{y = x}}[/tex] (5, 1)Preimage point (-4, 7);
The image after a reflection across the x-axis is therefore;
(-4, 7) [tex]\underrightarrow{R_{x-axis}}[/tex] (-4, -7)The image after a reflection across the y-axis, therefore;
(-4, 7) [tex]\underrightarrow{R_{y-axis}}[/tex] (4, 7)The image after a reflection across the line y = x is therefore;
(-4, 7) [tex]\underrightarrow{R_{y = x}}[/tex] (7, -4)Preimage point (6, -2);
The image after a reflection across the x-axis is therefore;
(6, -2 [tex]\underrightarrow{R_{x-axis}}[/tex] (6, 2)The image after a reflection across the y-axis, therefore;
(6, -2) [tex]\underrightarrow{R_{y-axis}}[/tex] (-6, -2)The image after a reflection across the line y = x is therefore;
(6, -2) [tex]\underrightarrow{R_{y = x}}[/tex] (-2, 6)Preimage point (-3, -8);
The image after a reflection across the x-axis is therefore;
(-3, -8) [tex]\underrightarrow{R_{x-axis}}[/tex] (-3, 8)The image after a reflection across the y-axis, therefore;
(-3, -8) [tex]\underrightarrow{R_{y-axis}}[/tex] (3, -8)The image after a reflection across the line y = x is therefore;
(-3, -8) [tex]\underrightarrow{R_{y = x}}[/tex] (-8, -3)Please find above the completed table including the coordinates of the images following the reflection across the x, y-axis and the line y = x
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The faunal exam scores in a statistics class were normally distributed with a mean of 63 And a standard deviation of 5 . Find the probability that a randomly selected students scored of then 65 on the exam
Probability that a randomly selected students scored of then 65 on the faunal exam is 65.54%.
Explain about the normal distribution?An example of a continuous probability distribution is the normal distribution, in which the majority of data points cluster in the middle of the range while the remaining ones taper off symmetrically towards either the extreme. The distribution's mean is another name for the center of the range.mean μ = 63
standard deviation σ = 5
x = 65
Find z-score:
z = (x - μ)/σ
z = (65 - 63)/5
z = 2/5
z = 0.4
Using z score table:
Probability that a randomly selected students scored of then 65 on the faunal exam is :
P(x = 65) = P(z = 0.4)
P(x = 65) = 0.6554
Thus, Probability that a randomly selected students scored of then 65 on the faunal exam is 65.54%.
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Review the graph of function f(x). On a coordinate plane, a graph approaches x = negative 3 in quadrant 2, has inflection point (negative 1, 0) and approaches x = 1 in quadrant 4. A graph approaches x = 1 in quadrant 1, and curves down and approaches the x-axis in quadrant 1. Which statement describes Limit of f (x) as x approaches 1?
The correct statement regarding the limit of f(x) as x -> 1 is given as follows:
lim x -> 1 f(x) = -∞.
How to calculate the lateral limits?To obtain lateral limits, we need to take the limit of a function as it approaches a point from the left-hand side and the right-hand side separately.
If the two limits are equal, then this is the limit of the function, while if the lateral limits are different, then the limit of the function does not exist for the value of x.
From quadrant 2, the function approaches x = 1 on quadrant 4, hence the limit to the left is given as follows:
lim x -> 1^- f(x) = -∞.
A graph approaches x = 1 in quadrant 1, and curves down and approaches the x-axis in quadrant 1, hence the limit to the right is given as follows:
lim x -> 1^+ f(x) = -∞.
As the lateral limits are equal, the limit of the function is given as follows:
lim x -> 1 f(x) = -∞.
Missing InformationThe problem describes the graph of the function.
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solve: 5−3|x+8|=20
(multiple choice)
x= -5
No solution
x= -13
x= 8
the solutions are x = -13 and x = -5. So, the correct answer is (A) x = -5, x = -13.
What is algebraic Expression?Any mathematical statement that includes numbers, variables, and an arithmetic operation between them is known as an expression or algebraic expression. In the phrase 4m + 5, for instance, the terms 4m and 5 are separated from the variable m by the arithmetic sign +.
Given an algebraic expression:
5 - 3|x + 8| = 20
First, we can begin by adding 3|x+8| to both sides of the equation, giving us:
5-20 = 3|x+8|
Simplifying the left-hand side, we get:
-15 = 3|x+8|
Next, we can divide both sides by 3, giving us:
-5 = |x+8|
Now we have an absolute value equation, which has two possible solutions depending on whether x+8 is positive or negative.
If x+8 is positive, then we have:
-5 = x+8
Solving for x, we get:
x = -13
If x+8 is negative, then we have:
-5 = -(x+8)
Solving for x, we get:
x = -5
Therefore, the solutions are x = -13 and x = -5. So, the correct answer is (A) x = -5, x = -13.
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A team with 8 games out of 12 games played. What is the reduced ratio of the following:
__________ 1. Win to games played?
__________ 2. Win to losses?
__________ 3. Loss to games played?
Therefore , the solution of the given problem of ratio comes out to be 1:3 is the decreased loss-to-games-played ratio.
Explain ratio.A collection of integers "a" as well as "b" that seem to be equal can be defined using the straightforward fraction calculation "a / b," at which "b" may be larger than zero. A ratio is created by combining two ratios. The ration would be 1:1 if there were just one male and three women. There are 1/4 guys and 3/4 women in the group. Portions can be a divide between different things, a number, or a specific portion of the volume of a component.
Here,
In events played, win:
Out of the 12 games contested, 8 were victories. We can split the numerator and denominator by 4 to decrease the ratio:
=> 8/12 = 2/3
The decreased win-to-games-played ratio is 2:3.
win to loss ratio
If a squad has 8 victories, they have 4 defeats (since they have played 12 games in total). As a result, the winning/losing split is as follows:
8:4, which is further diminished by multiplying the number and denominator by 4:
=> 2:1
The decreased win-to-loss ratio is 2:1.
Played events lost:
If a squad has 4 losses and has played a total of 12 games, the ratio of losses to games played is as follows:
=> 4/12 = 1/3
=> 1:3 is the decreased loss-to-games-played ratio.
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At a restaurant any slice of pizza cost $250 the restaurant is serving pepperoni and sausage pizza which expression represents the cost of x number of pepperoni slices and wine number of sausage slices of pizza
6.)Walmart is running a sale on baseball hats. Sergio bought one on sale for 25% off its regular price of $45. If sales tax is 10.25%, what is the total cost of the hat?
Answer: 37.21 dollars
Step-by-step explanation: 25% of 45 is 11.25 so after the sale it is 33.75 then you multiply by .1025 which gives you 3.46 rounded then add it
33.75+3.46= 37.21
Domain
V
m
d
1 of 5 (1 point) | Question Attempt: 1 of 1
Relation 1
t
Function
O Not a function
O Function
Relation 3
Domain Range
d
pencil
sky
sky
sky
Not function.
b
V
N
Range
Domain
Z
X
y
k
O Function
O Not a function
Relation 2
Relation 4
Domain Range
3
-1
-6
-1
-5
4
7
-9
-1
2
Range help please ASAP
Answer:
A part of basic arithmetic, long division is a method of solving and finding the answer and remainder for division problems that involve numbers with at least two digits. Learning the basic steps of long division will allow you to divide numbers of any length, including both integers (positive,negative and zero) and decimals. This process is an easy one to learn, and the ability to do long division will help you sharpen and have more understanding of mathematics in ways that will be beneficial both in school and in other parts of your life.[1]
Step-by-step explanation:
A part of basic arithmetic, long division is a method of solving and finding the answer and remainder for division problems that involve numbers with at least two digits. Learning the basic steps of long division will allow you to divide numbers of any length, including both integers (positive,negative and zero) and decimals. This process is an easy one to learn, and the ability to do long division will help you sharpen and have more understanding of mathematics in ways that will be beneficial both in school and in other parts of your life.[1]
Guys i need help with these. THIS QUESTION IS EASY PLS HELP:)
(5[tex]\sqrt{3}[/tex])^2
= (25 x 3)
= 75
(2[tex]\sqrt{5}[/tex])^2
= (4 x 5)
= 20
Simplify the radical: √32x
(I understand how to simplify radicals I just don’t know how to do it with an unknown variable in it)
The expression when evaluated is 4√2x
How to evaluate the expressionFrom the question, we have the following parameters that can be used in our computation:
√32x
Express 32 as the product of 16 and 2
So, we have
√32x = √(16 * 2x)
Take the LCM of 16
So, we have the following representation
√32x = 4√2x
Hence, the solution is 4√2x
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A skateboard ramp is 4.1 feet high and 6 feet long along the horizontal. To the nearest
tenth of a degree, what is the measure of the angle that the ramp makes with a
horizontal line?
34.3°
55.7°
90°
46.9⁰
Answer: :)
Step-by-step explanation:
To find the angle that the ramp makes with a horizontal line, we need to use trigonometry. The angle we are looking for is the angle between the ramp and the ground, which is the same as the angle between the hypotenuse of a right triangle (the ramp) and its adjacent side (the ground).
We can use the tangent function to find this angle:
tan(theta) = opposite/adjacent
In this case, the opposite side is the height of the ramp (4.1 feet) and the adjacent side is the length of the ramp along the ground (6 feet). So we have:
tan(theta) = 4.1/6
Using a calculator, we can solve for theta:
theta = tan^-1(4.1/6)
theta ≈ 34.3°
Therefore, to the nearest tenth of a degree, the measure of the angle that the ramp makes with a horizontal line is 34.3°.
Find each length for a 30°−60°−90°
triangle.
Find the shorter leg and the hypotenuse if the longer leg is 9 inches
Shorter leg = ________ √ _________ in.
Hypotenuse = ________√ ________in.
Find the longer leg and the hypotenuse if the shorter leg is 4 cm.
Longer leg = _______√ _________cm.
Hypotenuse = __________cm.
(40 points)
In accordance with the provided assertion, (A) the shorter leg is 3√3 inches and the hypotenuse is 6√3 inches (B) the longer leg is 4√3 cm and the hypotenuse is 8 cm.
What do maths lengths mean?The measurement or size of a thing end to end is referred to as its length. To put it another way, it is the bigger of the higher two or three dimensions of a geometric form or object.
For a 30°−60°−90° triangle, the ratios of the side lengths are:
Shorter leg: opposite 30° angle = xLonger leg: opposite 60° angle = x√3Hypotenuse: opposite 90° angle = 2xUsing these ratios, we can solve the problems:
If the longer leg is 9 inches, we have:Longer leg = x√3 = 9
x = 9/√3 = 3√3
Shorter leg = x = 3√3
Hypotenuse = 2x = 2(3√3) = 6√3
Therefore, the shorter leg is 3√3 inches and the hypotenuse is 6√3 inches.
2. If the shorter leg is 4 cm, we have:
Shorter leg = x = 4
Longer leg = x√3 = 4√3
Hypotenuse = 2x = 2(4) = 8
Therefore, the longer leg is 4√3 cm and the hypotenuse is 8 cm.
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Find the future value (in dollars) of a 2-year investment of $6,525 into a simple interest rate account that has an annual simple interest rate of 3.7%.
$7,008 is the future value of a 2-year investment of $6,525 into a simple interest rate account with an annual interest rate of 3.7%.
What is Percentage?percentage, a relative value indicating hundredth parts of any quantity.
The formula to calculate the future value of an investment with simple interest is:
FV = P(1 + rt)
where FV is the future value, P is the principal amount, r is the annual interest rate expressed as a decimal, and t is the time period in years.
P = $6,525
r = 0.037
t = 2 years
Plugging these values into the formula, we get:
FV = $6,525(1 + 0.037×2)
FV = $6,525(1.074)
FV = $7,008.
Therefore, the future value of a 2-year investment of $6,525 into a simple interest rate account with an annual interest rate of 3.7% is $7,008.
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Lori is 8 years old. In 5 years, her cousin Philip will be twice as old as Lori will be. Write the ratio of Philip's age now to Lori's age now.
Answer: 13:26
Step-by-step explanation:
8 + 5 = 13. Philip will be twice as old as Lori will be.
13 x 2 = 26
So, the ratio will be 13:26
Hope this helps!
22. A small coffee company claims to include 11 ounces of coffee in every bag of ground coffee it produces. Out of a random sample of 250 bags, 50 of the bags contain only 10.9 ounces. Which inferences from the results of the random sample are reasonable? Choose all that are correct.
A. It can be inferred that 5% of the bags from a second random sample will contain more than 11 ounces.
B. It is likely that a second random sample of bags will show a much lower percentage of bags with only 10.9 ounces.
C. The percentage of all bags produced that contain less than 11 ounces is likely to fall between 15% and 25%.
D. It is likely that the company's claim is true because 20% of the bags in the sample contain 10.9 ounces.
E. It is unlikely that the company's claim is true because 20% of the bags in the sample contain 10.9 ounces.
From the percentage of the coffee bags with 10.9 ounces, we can see that it is unlikely that the company's claim is true because 20% of the bags in the sample contain 10.9 ounces.
What is meant by percentage?
A figure or ratio stated as a fraction of 100 is called a percentage. Frequently, it is indicated with the per cent sign, "%". If we need to calculate a percentage of a number, we should divide it by its entirety and then multiply it by 100. The percentage, therefore, refers to a component per hundred. Per 100 is what the word per cent means. As there is no unit of measurement for percentages, they are dimensionless numbers. This is because we divide numbers with the same units in percentage calculation.
Given,
Amount of coffee in A bag of ground coffee = 11 ounces
Number of bags = 250 bags
Number of bags which contain 10.9 ounces of coffee = 50
The percentage of bags which contain 10.9 ounces of coffee
= (50/250) × 100 = 20%
This percentage shows that the company's claim is not true because they claim every bag contains 11 ounces of coffee.
Therefore from the percentage of the coffee bags with 10.9 ounces, we can see that it is unlikely that the company's claim is true because 20% of the bags in the sample contain 10.9 ounces.
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help pls with my homework
Answer:
300.20
Step-by-step explanation:
because it was a nice guesss
John has three more pet birds than he has cats. If he has 11 pets in all, how many cats does he have?
Answer:
4 cats
Step-by-step explanation:
Let b represent birds and c represent cats
b = c + 3
c + b = 11
c + (c + 3) = 11
2c + 3 = 11
2c = 8
c = 4.
John has 4 cats
b = (4) + 3
b = 7
John has 7 birds
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Answer the following questions using the image below
a) If the slant range of the plane in the image is 14.5 km, and the ground range is 10.15 km, find the altitude of the plane to the nearest meter. Show your work and explain your thinking.
b) If this plane loses power and descends suddenly at a rate of 750 meters per minute, how much time will the pilot have before he has to land?
a) The altitude οf the plane is apprοximately 10,780 meters.
b) The pilοt will have apprοximately 14.4 minutes befοre he has tο land if the plane descends suddenly at a rate οf 750 meters per minute.
What are trigοnοmetric functiοns?Trigοnοmetric functiοns are mathematical fοrmulas that cοnnect a triangle's angles and side ratiοs. Sine, cοsine, and tangent are the three fundamental trigοnοmetric functiοns; they are alsο knοwn as sin, cοs, and tan, respectively. These functiοns are emplοyed in the study οf physics, engineering, and οther branches οf science as well as in the study οf geοmetry, trigοnοmetry, and οther branches οf mathematics. They can be used tο sοlve issues invοlving angles and distances, such as determining a building's height, the separatiοn between twο οbjects, οr the speed οf a mοving οbject.
a) The Pythagοrean theοrem, which relates the three sides οf a right triangle, can be used tο determine the plane's altitude. In this instance, the slant range serves as the hypοtenuse οf a right triangle, with the grοund range serving as οne οf the legs and the height serving as the οther leg. As a result, we have:
altitude² + grοund range² = slant range²
Substituting the given values, we get:
altitude² + (10.15 km)² = (14.5 km)²
Simplifying and sοlving fοr altitude, we get:
altitude² = (14.5 km)² - (10.15 km)²
altitude² = 116.205 km²
altitude = √116.205 km² ≈ 10.78 km ≈ 10,780 m
Therefοre, the altitude οf the plane is apprοximately 10,780 meters.
b) If the plane descends suddenly at a rate οf 750 meters per minute, its altitude will decrease by 750 meters every minute. Tο find hοw much time the pilοt has befοre he has tο land, we can divide the initial altitude by the rate οf descent. Therefοre, we have:
time = initial altitude/rate οf descent
Substituting the initial altitude and rate οf descent, we get:
time = 10,780 m / 750 m/min
Simplifying, we get:
time = 14.3733 min ≈ 14.4 min
Therefοre, the pilοt will have apprοximately 14.4 minutes befοre he has tο land if the plane descends suddenly at a rate οf 750 meters per minute.
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3.
A bag contains:
• 5 red marbles
.
6 blue marbles
3 green marbles
•
4 black marbles
2 yellow marbles
A marble will be drawn from the bag and replaced. If the experiment is repeated 100
times, what is a reasonable prediction for the number of times a green or black
marble will be drawn?
Answer:
300
Step-by-step explanation:
because you do it for 1 hundred years you multiply it by 100 and it would be 3x100=300
Rote tells the little monsters to do an overhead press every 12 seconds and a squat every 30 seconds. (For example, they should do their first squat 30 seconds into the drill.) How many times during the 200 second drill should the little monsters do an overhead press and a squat at the same instant?
The little monsters will do an overhead press and a squat at the same instant 3 times during the drill.
What are mathematical operations?The term "operation" in mathematics refers to the process of computing a value utilising operands and a math operator. For the specified operands or integers, the math operator's symbol has predetermined rules that must be followed. In mathematics, there are five basic operations: addition, subtraction, multiplication, division, and modular forms.
Given, Rote tells the little monsters to do an overhead press every 12 seconds and a squat every 30 seconds.
The prime factorization of 12 is 2² x 3, and the prime factorization of 30 is 2 x 3 x 5.
To find the smallest common multiple, we need to take the highest power of each prime factor that appears in either factorization. Thus, the smallest common multiple of 12 and 30 are:
2² x 3 x 5 = 60
This means that the little monsters will do an overhead press and a squat at the same instant every 60 seconds.
To find out how many times this will happen during the 200-second drill, we can divide 200 by 60:
200 ÷ 60 = 3 remainder 20
This means that there will be 3 complete cycles of both exercises during the 200-second drill, with an additional 20 seconds left over.
Therefore, the little monsters will do an overhead press and a squat at the same instant 3 times during the drill.
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In triangle LMN, m = 4.1 inches, I = 3.9 inches and to the nearest 10th of a degree.
The possible value of angle M is 30.6°.
What is Law of Sines?Law of sines is defined as that ratio of the length of the sides of a triangle to the sine of the angle opposite to the these sides are equal.
That is, if a, b and c are sides opposite to the angles A, B and C respectively, then,
a / sin A = b / sin B = c / sin C
Given is a triangle LMN.
Given, m = 4.1 inches, I = 3.9 inches
∠L = 151°. We have to find ∠M.
Using law of sines,
l / sin L = m / sin M
3.9 / sin (151°) = 4.1 / sin (M)
sin (M) = [4.1 × sin (151°)] / 3.9
= 0.5097
M = sin⁻¹ (0.5097) = 30.64° ≈ 30.6°
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The question is incomplete. The complete question is,
In triangle LMN, m = 4.1 inches, I = 3.9 inches and ∠L = 151°. Find all possible values of ∠M to the nearest 10th of a degree.
3. Sergio's savings account statement showed a previous balance of $234.95 and interest of $1.06. The statement also showed deposits of $123.42 and $50.66 and withdrawals of $323.09. What is his new balance?
Sergio's new balance is $87
How to calculate the new balance?Sergio's savings showed a previous balance of $234.95 and interest of $1.06
The statement also showed deposits of $123.42 and $50.66 and withdrawals of $323.09
The new balance can be calculated by adding the previous balance, interest, deposits in the statement and then subtract the sum total from the withdrawal amount
234.95 + 1.06 + 123.42 + 50.66 - 323.09
= 410.09 - 323.09
= 87
Hence Sergio's new balance after adding the deposits, previous balance then subtracting from the withdrawal is $87
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Suppose that you put 2 dimes, 2 nickels, and 1 penny into a bag. a coin will be drawn from the bag and replaced 175 times. what is a reasonable prediction for the number of times a dime will be drawn?
A reasonable prediction for the number of times a dime will be drawn is approximately 90.
What is probability?Probability is the measure of how likely it is that an event will happen. The event is expressed as a number between 0 and 1, where 0 denotes an impossibility and 1 denotes a certainty. Probability is used in many areas, such as mathematics, science, engineering, and finance. For example, in mathematics, probability is used to determine the likelihood of an event occurring or a certain outcome occurring.
When 2 dimes, 2 nickels, and 1 penny are placed into a bag, there are 5 total coins. Therefore, the probability of drawing a dime is 2/5. When a coin is drawn and replaced 175 times, the probability of drawing a dime will remain the same (2/5) and the expected value of drawing a dime is 175*2/5 = 90. Since this is a reasonable prediction, it is a valid solution.
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Find the value of x.
Answer: x = 60 degrees
Step-by-step explanation:
As we see, there is a 90 degree angle formed the top left corner. You divided it by 2 and it is formed by both triangles and u get 45 degrees.
Now, according to angle sum property:
angle A + Angle B + Angle C = 180 degrees
therefore, 75 + 45 + angle c = 180
and by linear equation , angle c = 180 - [75 + 45]
= 180 -120
= 60
therefore, x = 60
Answer:
60 degrees
Step-by-step explanation:
A right triangle is 180 degrees. 60+75+a= 180degrees. It shows a right angle, with a line right at the middle. half of 90 is 45, so put that in the equation and you get 60+75+45=180 degrees. to solve for ? you want to take 45 + 75 + ? = 180 degrees 45 plus 74 is 135 so take 180-135 is 60. the ? will be 60 degrees.
I hope this helps : )