Answer:
Step-by-step explanation:
To find the hiker's elevation above sea level upon reaching High Point Vista, we need to add up the elevation gain from the start of the trail to High Point Vista. We can use the table to do this:
Elevation gain from start to Old Cabin: -32.78 ft (negative because the hiker loses elevation)
Elevation gain from Old Cabin to Ruby Falls: 8634 ft
Elevation gain from Ruby Falls to Thunder Gorge: -14725 ft (negative because the hiker loses elevation)
Elevation gain from Thunder Gorge to High Point Vista: 346.47 ft
To find the hiker's elevation above sea level at High Point Vista, we add up these elevation gains:
179 ft (start) - 32.78 ft + 8634 ft - 14725 ft + 346.47 ft = -5668.31 ft
The negative value means that the hiker is below sea level at High Point Vista, which is not possible. Therefore, there must be an error in the elevation gain listed for one of the points of interest. It's possible that the elevation gain for Ruby Falls is incorrect, as it seems unlikely that the hiker would gain more than 8000 ft in elevation between Old Cabin and Ruby Falls. Without more information, it's difficult to say for sure where the error lies.
7 men build a house in 300 days how many men .working in the same rate can build the house in 70 days
Answer:
30 men
Step-by-step explanation:
7 men x 300 days = 2100 man-days to build 1 house)
(2100 man-days/house) x (1 house/70 days) = 30 men
Please help find the scale factor
Answer:
2.5
Step-by-step explanation:
for example, if you take two of the value of x's -- 5/2, it equals 2.5
2 x 2.5 = 5
What are the measures of all angles of a isosceles triangle.
Answer:
The isosceles triangle has three acute angles, meaning that the angles are less than 90°. The sum of three angles of an isosceles triangle is always 180°.
Step-by-step explanation:
80% of the class is on a field trip with 4 chaperones. If there were 28 students and chaperones, how many students would be there?
QUICK!!!!!
The number of students who would be there are 24 students .
How to find the number of students ?The number of both students and chaperones on the trip are 28 in number. Again , this is both the chaperones and the students .
There are 4 chaperones according to the question . So to find the number of students on the field trip, the formula would be :
= Total number of both students and chaperones - Total number of chaperones
= 28 - 4
= 24 students
The number of students who would be on the field trip is 24 students .
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fill in the blanks about determining if a property is sine,cosine, or both.
The functions are Identified as below
The domain is all real numbers for both
An x-intercept is (π, 0) for sin
The minimum value is -1 for both
An x-intercept is (π/2, 0) for cos
What are sin functions?Sin functions, or sine functions, are mathematical functions that describe a wave-like pattern that oscillates between a maximum and minimum value.
sin functions has x intercept of (π, 0), this can be checked by setting a calculator in radian and checking for sin π.This will give a value of of zero
For cos the x intercept is zero at π/2
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Jan bought 7 liters of orange juice how many milliters did she buy
Answer:
The answer you're looking for is 7000ml
Step-by-step explanation:
Since there are 1000 millimeters inside a liter we can use the equation
x = 7×1000.
We need to first simplify all terms giving us this equation
x = 7000
With that, we are finished and that's how you do this question.
I hope this was helpful!
A service that repairs air conditioners sells maintenance agreements for $75 a year. The average cost of repairing an air conditioner is $350 and 2 in every 100 people who purchase maintenance agreements have air conditioners that need repair. Find the service’s expected profit.
The service's expected profit is $6,800.
What is the basic arithmetic operations?
The four basic mathematical operations are Addition, subtraction, multiplication, and division.
To find the service's expected profit, we need to calculate the total revenue and the total cost, and then subtract the cost from the revenue.
First, let's calculate the total revenue. The service sells maintenance agreements for $75 a year, so for every 100 customers, the revenue will be:
100 customers x $75/customer = $7,500
Now, let's calculate the total cost. We know that 2 in every 100 people who purchase maintenance agreements have air conditioners that need repair, and the average cost of repairing an air conditioner is $350. So for every 100 customers, the cost of repairs will be:
2 customers x $350/customer = $700
Finally, let's calculate the expected profit:
Expected profit = Total revenue - Total cost
Expected profit = $7,500 - $700
Expected profit = $6,800
Hence, the service's expected profit is $6,800.
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Which equations represent circles that have a diameter of 12 units and a center that lies on the y-axis? Select two options. x2 + (y – 3)2 = 36 x2 + (y – 5)2 = 6 (x – 4)² + y² = 36 (x + 6)² + y² = 144 x2 + (y + 8)2 = 36
Therefore, the equations that represent circles with a diameter of 12 units and a center on the y-axis are x² + y² = 36 and (x + 6)² + y² = 36.
Which equations represent circles?The radius of a circle having a diameter of 12 units is 6 units. The center's x-coordinate is zero if its centre is on the y-axis.
To discover which equations describe circles with these characteristics, we may use the conventional version of the equation of a circle, (x - h)2 + (y - k)2 = r2, where (h, k) is the circle's centre and r is its radius.
When we enter h = 0 and r = 6, we obtain:
(x - 0)² + (y - k) (y - k)² = 6²\sx² + (y - k) (y - k)² = 36
As we are aware that the centre is on the y-axis, the center's y-coordinate is also 0. K thus equals 0.
With k = 0, we obtain:
x² + y² = 36\s(x - 4) (x - 4)² + y² = 36\s(x + 6)² + y² = 36
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O Which point has the coordinates (-3.5, 4)? Point W Point Y Point X Point Z
The point which has the coordinates (-3.5, 4) is point Z.
What are Coordinates?Coordinates are the set of points in a geometrical plane or space, which is used to denote the exact point in the coordinate plane or space.
Given coordinate is (-3.5, 4).
This means that the point is at a distance of 3.5 to the left of the origin and at a distance of 4 units above the origin.
So in order to find the point, mark the point -3.5 in the exact middle of -3 and -4 on the X axis.
Mark the point 4 on the Y axis.
Draw perpendicular lines from both.
Intersecting point is the given point.
Here point Z indicates this.
Hence point Z indicates the coordinates (-3.5, 4).
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Your question lacks the graph showing the points and coordinates. The graph is given below.
Terry takes a 800 mg Tylenol for his headache. Every hour that the Tylenol is in his system, a quarter of the medication dissolves in his body.
1. WRITE a function that models the amount of Tylenol in Terry’s body over time. Use x for hours, and y for the amount of Tylenol, in mg, remaining in the body.
2. When there is less than 100mg of medicine left in the body, it safe to take it again. HOW LONG will it take before Terry can take more medicine?
Therefοre, the sοlutiοn οf the given prοblem οf functiοn cοmes οut tο be Terry can easily take anοther 800mg Tylenοl fοr his headache after abοut 2.4 hοurs have passed.
What is functiοn?The curriculum fοr mathematics includes a wide range οf tοpics, such as numbers, numbers, and their cοmpοnents, as well as cοnstructiοn, building, and bοth actual and hypοthetical geοgraphic places. A wοrk discusses the relatiοnships between different variables that all wοrk tοgether tο prοduce the same result. A utility is made up οf a variety οf distinctive cοmpοnents that, when cοmbined, prοduce specific results fοr each input.
Here,
The functiοn can be written as fοllοws:
=> y = 800 * (0.25)ˣ
where y is the quantity οf Tylenοl still in Terry's system in milligrammes and x is the number οf hοurs since he last tοοk the medicatiοn.
When Terry's bοdy's cοncentratiοn οf Tylenοl gοes belοw 100mg, we need tο find οut hοw lοng it will be befοre he can take mοre medicatiοn.
The expοnential decay fοrmula frοm part 1 can be used tο find a sοlutiοn fοr this:
=> 800 * (0.25)ˣ = 100
by 800, divide bοth sides.
=> (0.25)ˣ = 0.125
Cοnsider the twο sides' lοgarithms:
=> lοg(0.25) * x = lοg (0.125)
tο find x:
=> lοg(0.125) / lοg (0.25)
=> x = 2.4
Terry can easily take anοther 800mg Tylenοl fοr his headache after abοut 2.4 hοurs have passed.
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Yesterday, a movie theater sold 290 bags of popcorn. A large bag of popcorn costs $4. A small bag of popcorn costs $1. In all, the movie theater made $566 from popcorn sales. Write and solve a system of equations to find how many bags of each size of popcorn were sold.
PLEASE HELP
Answer:
Step-by-step explanation:
Let's call the number of large bags of popcorn sold "L" and the number of small bags of popcorn sold "S".
We can set up two equations based on the information given:
L + S = 290 (the total number of bags of popcorn sold)
4L + S = 566 (the total revenue from popcorn sales)
We can use substitution or elimination to solve for L and S.
Substitution:
From the first equation, we know that S = 290 - L. We can substitute this into the second equation:
4L + (290 - L) = 566
Simplifying, we get:
3L + 290 = 566
3L = 276
L = 92
Then we can use the first equation to find S:
L + S = 290
92 + S = 290
S = 198
So the movie theater sold 92 large bags of popcorn and 198 small bags of popcorn.
Elimination:
We can eliminate one variable by multiplying one of the equations by a constant to make the coefficients of one of the variables equal but with opposite signs.
In this case, we can multiply the first equation by 4 to make the coefficients of S equal but with opposite signs:
4L + 4S = 1160
4L + S = 566
Subtracting the second equation from the first, we eliminate L:
3S = 594
S = 198
Then we can use either of the original equations to find L:
L + S = 290
L + 198 = 290
L = 92
So the movie theater sold 92 large bags of popcorn and 198 small bags of popcorn.
What does this equal?
5th grade math. Please answer quickly.
Answer
The answer is 60
Step-by-step explanation:
A company estimates that 0.8% of their products will fail after the original warranty period but within 2 years of the purchase, with a replacement cost of $50.
If they offer a 2-year extended warranty for $7, what is the company's expected value of each warranty sold? Round your answer to the nearest cent.
Answer:
The expected value of each warranty sold is $23.8.
A car travels at an average speed of 68 miles per hour. How long does it take to travel 357 miles?
If a car travels at an average speed of 68 miles per hour, it takes it 5 hours 15 minutes to travel 357 miles.
What is the average speed?The average speed is the unit rate.
The average speed is computed as the quotient of the total distance and the total time.
Conversely, the time is a function of the division of the total distance by the average speed.
The total distance traveled by the car = 357 miles
The average speed = 68 miles per hour (mph)
The time = Distance/Average speed = 357/68 = 5.25 hours
= 5 hours 15 minutes.
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10 workers can complete a piece of work in 18 days. How many workers are required to complete the work in 12 days?
The number of workers required = 15
Finding the number of workers:Observe the given problem and find out the relation between the number of workers and the number of days.
In given two one quantity decreased and the other quantity increased then both quantities are said to be in inverse proportions.
Here the product of two quantities will equal a constant.
Here we have
10 workers can complete a piece of work in 18 days
Let 'x' be the number of workers required to complete work in 12 days
Here when the number of days increases the number of workers will be decreased which shows the number of work is inversely proportional to the number of days
The relation can be represented as
=> 10 worker × 18 days = 12 days × x workers
=> 10 × 18 = 12x
=> x = 180/12
=> x = 15
Therefore,
The number of workers required = 15
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a salesman allows a discount of 125% for each payment.calculate the actual amount the salesman pay for an article with a marked price of n950.00
The actual amount the salesman pays for an article with a marked price of N950.00 is N2,312.50.
What is amount?Amount is a word used to refer to a quantity or amount of something. It can also be used to refer to the total sum of money, goods, or services due for payment or exchange. It can also refer to the balance of money or goods due for payment or exchange. Amount is also used to refer to the size, extent, or magnitude of something.
To calculate this amount, we first need to calculate the amount of discount the salesman is offering. This is calculated by taking the marked price and multiplying it by the discount percentage: N950.00 x 125% = N1,187.50. Then, we subtract this discount amount from the marked price: N950.00 - N1,187.50 = N2,312.50. This is the actual amount the salesman pays for the article.
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I plan to deposit their annual profits in an investment account earning a 9% annual return. If the owner starts with their first deposit today for $22,000 and expects to make the same profit for the next 7 years, how much will be saved for retirement at that point?
Answer: We can use the formula for future value of an annuity to calculate how much will be saved for retirement:
FV = Pmt x (((1 + r)^n - 1) / r)
where:
FV is the future value of the annuity
Pmt is the payment made each period (in this case, the annual profit of $22,000)
r is the annual interest rate (9% or 0.09 as a decimal)
n is the number of periods (7 years)
Substituting the given values into the formula, we get:
FV = $22,000 x (((1 + 0.09)^7 - 1) / 0.09)
FV = $22,000 x (1.9904 / 0.09)
FV = $22,000 x 22.116
FV = $485,552
Therefore, the amount saved for retirement after 7 years will be $485,552.
Step-by-step explanation:
what is the exact circumference of a circle with a radius of 17mm (Answer options) 8.5
17
34
68
[tex]\textit{circumference of a circle}\\\\ C=2\pi r ~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=17 \end{cases}\implies C=2\pi (17)\implies C=34\pi[/tex]
- A state fair uses 32 pallets of lemons for lemonade and 32 pallets for
lemon ice. Which uses a greater amount of lemons?
Answer:
- A state fair uses 32 pallets of lemons for lemonade
Step-by-step explanation:
x = 8 what is the value of 6(x - 3)
Answer: 30
Step-by-step explanation:
plug in x=8 to get: 6(8 - 3)
solve inside parenthesis: 6(8-3) = 6(5)
multiply: 6(5) = 30
Answer:
[tex] \sf \: 6(x - 3) = 30[/tex]
Step-by-step explanation:
Now we have to,
→ Find the value of 6(x - 3).
Given information,
→ x = 8
Let's solve the problem,
→ 6(x - 3)
→ 6(8 - 3)
→ 6(5)
→ 6 × 5
→ 30 => [solution]
Hence, the answer is 30.
What is the unit rate? I need help.
Answer:
1/15
Step-by-step explanation:
Based on the given conditions, formulate: 2/3 divided by 10
Divide a fraction by multiplying its reciprocal: 2/3 x 1/10
Cross out the common factor: 1/3 x 1/5
Write as a single fraction: 1/3x5
Calculate the product or quotient:1/15
get the result:1/15
Answer:
1/15
1/15
Step-by-step explanation:
Based on the given conditions, formulate: 2/3 divided by 10
Divide a fraction by multiplying its reciprocal: 2/3 x 1/10
Cross out the common factor: 1/3 x 1/5
Write as a single fraction: 1/3x5
Calculate the product or quotient:1/15
get the result:1/15
Answer:
1/15
Multiply f and 7. Then add 9 in expression
The cost of 3 scarves is $86.25. What is the unit price?
In linear equation, $28.75 is the unit price .
What in mathematics is a linear equation?
An algebraic equation with simply a constant and a first-order (linear) term, such as y=mx+b, where m is the slope and b is the y-intercept, is known as a linear equation.
Sometimes, the aforementioned is referred to as a "linear equation of two variables," where x and y are the variables. Equations with variables of power 1 are referred to as linear equations. One example with only one variable is where ax+b = 0, where a and b are real values and x is the variable.
The cost of 3 scarves is $86.25
then,
the unit price is = $86.25/3 = $28.75
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Write 4 3/20 as a decimal
Answer:
4.15 or
Step-by-step explanation:
100/20=5 times 3 is 15
so its 4.15 which equals 4 3/20
Answer this in this hour or no points.
A spinner has 3 equal sections colored blue, orange, and red. Determine the sample space for spinning the spinner two times.
Spin 1 Spin 2
Blue Orange
Blue Red
Blue Blue
Blue Red
Red Orange
Red Red
Orange Blue
Orange Red
Orange Orange
Orange Blue
Spin 1 Spin 2
Blue Orange
Blue Red
Blue Blue
Red Blue
Red Orange
Orange Blue
Orange Red
Orange Orange
Spin 1 Spin 2
Blue Orange
Blue Red
Blue Blue
Red Blue
Red Orange
Red Red
Orange Blue
Orange Red
Orange Orange
Spin 1 Spin 2
Blue Orange
Blue Red
Red Blue
Red Orange
Orange Blue
Orange Red
If the spinner is spinning two times then the sample space becomes { BB,B0,BR,OB,OO,OR,RB,RO,RR}.
What is sample space?In probability a sample space is a set of possible number of outcomes of a random experiment.
A spinner has three equal sections blue(B), orange(O), red(R).
The sample space will be
Spin 1 Spin 2
Blue Orange
Blue Red
Blue Blue
Red Blue
Red Orange
Red Red
Orange Blue
Orange Red
Orange Orange
Hence, If the spinner is spinning two times then the sample space becomes { BB, B0, BR, OB, OO, OR, RB, RO, RR}.
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−
4
1
Choose 3 answers:
Choose 3 answers:
(Choice A)
−
1
−1minus, 1
A
−
1
−1minus, 1
(Choice B)
0
00
B
0
00
(Choice C)
−
3
4
−
4
3
minus, start fraction, 3, divided by, 4, end fraction
C
−
3
4
−
4
3
minus, start fraction, 3, divided by, 4, end fraction
(Choice D)
1
11
D
1
11
(Choice E)
1
1
4
1
4
1
1, start fraction, 1, divided by, 4, end fraction
E
1
1
4
1
4
1
The three fraction are:
A) -1/2 and 1/2
C) -3/4 and 4/3
E) 1/4
What is expression?
One or more variables or numbers are combined with one additional action to form an expression.
To answer this question, we need to evaluate the given expression:
-1/4
This is a fraction with a negative numerator and a positive denominator. It represents a number that is less than zero, but closer to zero than to negative one.
To choose three answers from the options provided, we need to look for fractions and numbers that are close in value to -1/4.
Here are three possible answers:
Choice A: -1/2 and 1/2. These are fractions that are larger in magnitude than -1/4 and represent numbers that are further away from zero.Choice C: -3/4 and 4/3. These are fractions that are larger in magnitude than -1/4 and represent numbers that are further away from zero.Choice E: 1/4. This is a fraction that is smaller in magnitude than -1/4 and represents a number that is closer to zero.Therefore, the three answers are:
A) -1/2 and 1/2
C) -3/4 and 4/3
E) 1/4
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Consider the quadratic function f(x) = x2 – 5x + 12. Which statements are true about the function and its graph? Select three options. The value of f(–10) = 82 The graph of the function is a parabola. The graph of the function opens down. The graph contains the point (20, –8). The graph contains the point (0, 0).
It is true that the graph contains the point (0, 0).
The following three assertions regarding the function and its graph are true:
The function's graph resembles a parabola.
The graph begins at the bottom.
The point is shown in the graph (0,0).
Explanation:
A second-degree polynomial function, the quadratic function f(x) = x2 - 5x + 12 has a parabola as its graph.
The parabola widens downward because the coefficient of x2 is positive (1 in this instance).
When we replace x with -10 in the given function, we obtain the value of f(-10) as (-10)2 - 5(-10) + 12 = 82. Hence, "f(-10) = 82" is true.
We substitute x = 20 in the given function, resulting in f(20) = 202 - 5(20) + 12 = 212, to see if the point (20, -8) is on the function's graph. The claim "The graph contains the point (20, -8)" is untrue since the point's y-coordinate is -8, which is not equivalent to f(20).
We substitute x = 0 in the given function to get f(0) = 02 - 5(0) + 12 = 12 to determine if the point (0, 0) is on the function's graph. The assertion "The graph contains the point (0, 0)" is true because the y-coordinate of the point (0, 0) is 0, which is equivalent to f(0).
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Problem 3
(x + 2)² + (y-2)² = 4
States the center and the radius of this problem and then graph the circle
The center of this circle is (-2,2) and its radius is 2.
It is required to find the center and radius of the circle.
What is circle?A circle is a closed two-dimensional figure in which the set of all the points in the plane is equidistant from a given point called “centre”. The perimeter around the circle is known as the circumference.
here, we have,
Given that: (x + 2)² + (y-2)² = 4
The equation of a circle in standard form is:
(x -a)² + (y-b)² = r²
The x-coordinate of the center is a the y-coordinate of the center is b
, and r is the radius.
In this case,
a=-2
b=2
and
r=2.
Hence, the center of this circle is (-2,2) and its radius is 2.
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Given the following table with selected values of f (x) and g(x), evaluate f (g(2)).
x –5 –4 –1 2 4 7
f (x) 0 2 7 –1 –6 –4
g(x) –8 –1 2 4 7 1
–4
2
4
–6
Looking at the table again, we can see that f(4) is -6. Thus, f (g(2)) is -6.
What is value?Value is the worth of something, based on its importance, usefulness, or desirability. It is something that has a desired quality, such as excellence, utility, or desirability. Value can be physical, such as a commodity, or intangible, such as respect, loyalty, or knowledge. Value is determined by both the individual and the society in which they live. Value can be assigned to both tangible and intangible things, such as a house, an education, or a friendship. Value is a subjective measure and can vary greatly from person to person.
The answer is -6. To evaluate f (g(2)), we need to determine what g(2) is first. Looking at the table, we can see that g(2) is 4. Therefore, we need to find the value of f(4). Looking at the table again, we can see that f(4) is -6. Thus, f (g(2)) is -6.
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A researcher is investigating academic motivation among college students and their siblings. This type of study would be _______
Answer:
This type of study would be a comparative study, as it involves comparing the level of academic motivation between college students and their siblings.
Step-by-step explanation: