Answer:
4 : 2 : 5
Step-by-step explanation:
To find the ratio of silver to brown to pink counters in simplest form, we need to divide the number of each type of counter by their greatest common factor.
The greatest common factor of 16, 8, and 20 is 4.
So, we divide each of the numbers by 4:
Silver counters: 16 ÷ 4 = 4
Brown counters: 8 ÷ 4 = 2
Pink counters: 20 ÷ 4 = 5
Therefore, the ratio of silver to brown to pink counters in simplest form is:
4 : 2 : 5
or
2 : 1 : 2.5 (if we prefer to express the ratio in decimal form)
Communicate and Justify. Is it possible to use only translations and dilations to map one circle to another? Explain.
Answer: It is not possible to use only translations and dilations to map one circle to another unless the two circles are identical in size and shape.
A translation is a transformation that moves an object without changing its size, shape, or orientation. It involves moving every point on the object the same distance in the same direction. Since a circle is defined by all the points that are equidistant from its center, a translation will simply move the entire circle in the same direction, but will not change its size or shape.
A dilation is a transformation that changes the size of an object, but not its shape or orientation. It involves multiplying the distance of every point on the object from a fixed center point by a scale factor. While a dilation can change the size of a circle, it will also change the distance between points on the circle, and thus change its shape.
Therefore, if the two circles are not identical in size and shape, it would be necessary to use other transformations, such as rotations or reflections, to map one circle to the other.
Step-by-step explanation:
If y equals 12 when X equals 18 find X and why equals -16
Answer:
- 10
Step-by-step explanation:
If y =12 when x is 18
Find x when y =-16
What the relationship between x and y
y = x - 6 and x = y +6
Insert y(-16) into equation above
Y = X - 6
-16= X - 6
Collect like terms
Add 6 to both sides
-10 = X
This Box-and-Whisker Plot is based on how many points a basketball player scored in a set of games. In what percent of games did the player score more than 25 points?
A. 25%
B. 50%
C. 75%
D. 85%
The number of games in which the player scored more than 25 points is: A. 25%.
What is a box-and-whisker plot?In Mathematics, a boxplot is sometimes referred to as box-and-whisker plot and it can be defined as a type of chart that can be used to graphically or visually represent the five-number summary of a data set with respect to locality, skewness, and spread.
Based on the information provided about the given box-and-whisker plot (see attachment), the five-number summary for the given data set include the following:
Minimum = 12.First quartile = 14.5.Median = 18.5.Third quartile = 25.Maximum = 30.By critically observing the box-and-whisker plots or boxplot (see attachment), we can logically deduce that in 25% of games the player score more than 25 points.
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write a multiplication expression to represent this problem 9 1/3
The multiplication expression will be (9*3+1)/3.
What exactly are expressions?
In mathematics, an expression is a combination of one or more numbers, variables, and/or mathematical operations (such as addition, subtraction, multiplication, division, exponentiation, and logarithms) that can be evaluated to produce a single numerical or algebraic value.
Expressions can be very simple, such as a single number or variable, or they can be more complex, involving multiple variables and operations. They can also include mathematical functions and constants, such as pi or the square root of a number.
Here are some examples of expressions in mathematics:
Now,
We have expression 9 1/3
and to change it to simple fraction
we do this 9*3+1/3
=27+1/3
=28/3
Hence,
The multiplication expression will be (9*3+1)/3.
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The population of a town grows proportion to it's current population. The initial population is 10,000 and grows 5 % per year. Determine the population after 4 years. Also determine how long it will take the population to triple.
The population after 4 years will be 12,155.06. It will take approximately 22.52 years for the population to triple.
The population of a town grows proportionally to its current population. This means that the larger the population, the more it will grow. To determine the population after 4 years, we can use the formula:
P = P0 * (1 + r)^t
Where P is the final population, P0 is the initial population, r is the growth rate, and t is the time in years. Plugging in the values given in the question, we get:
P = 10,000 * (1 + 0.05)^4
P = 10,000 * 1.21550625
P = 12,155.06
Therefore, the population after 4 years will be 12,155.06.
To determine how long it will take the population to triple, we can use the same formula, but set P to 3 * P0 and solve for t:
3 * 10,000 = 10,000 * (1 + 0.05)^t
3 = (1 + 0.05)^t
ln(3) = t * ln(1.05)
t = ln(3) / ln(1.05)
t = 22.52
Therefore, it will take approximately 22.52 years for the population to triple.
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whats the height difference between 5’4 and 6’1?
Answer:
9
Step-by-step explanation:
5'4 to 6'0 is 8
6'0 to 6'1 is 9
i think im right i dont use inches tho
The height difference between 5’4 and 6’1 is 9 inches.
What are Measurements?Measurement is the method of comparing the properties of a quantity or object using a standard quantity.
Measurement is essential to determine the quantity of any object.
There are two heights given.
5’4 and 6’1.
5'4 means that 5 feet and 4 inches.
1 feet = 12 inches
5 feet = 60 inches
5'4 = 60 inches + 4 inches = 64 inches
Similarly,
6'1 = 6 feet + 1 inch
= (6 × 12) inches + 1 inch
= 73 inches
Height difference = 73 inches - 64 inches = 9 inches
Hence the height difference is 9 inches.
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Work out the value of x?
Using angle theorems the value of x = 67.5°
What are angle theorems?Angle theorems are rules that govern the properties of angles.
Given that we have the figure and we desire to find angle x, we proceed as folllows.
Now, we notice that one angle is a right angle and it is equal to 90°.
Also, we notice that all the angles meet at the same point.
So, we have that
x + 3x + 90° = 360° (sum of angles at a point)
Solving for x, we have that
x + 3x + 90° = 360°
4x + 90° = 360°
4x = 360° - 90°
4x = 270°
x = 270°/4
x = 67.5°
So, the value of x = 67.5°
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50 Points!!! Use triangle PQR for questions 2-4. What are the values of the trigonometric ratios for R in this triangle?
2. What is the value for sin R? Enter your answer as a fraction.
3. What is the value for cos R? Enter your answer as a fraction.
4. What is the value for tan R? Enter your answer as a fraction
Answer:
こんにちは
Step-by-step explanation:
2. 答えは2.5
次の番号 3 の場合は 6.9 次の番号は 4 の場合は 5.6
1. Graph the function f(x) = x² + 3 on the graph below. Then graph its inverse on the same graph.
Show the line y = x as a dashed line. (5 points each part)
a) Is the inverse a function?
b) Justify your answer.
The inverse of the function f(x) = x² + 3 is, f⁻¹(x) = ± √(3 - x) and it is not a function.
What is an inverse function?First to be an inverse function that function needs to one to one function, meaning every different preimage must correspond to a different image.
We can obtain the inverse of a function by switching the variables x and y with their respective positions and solving for y in terms of x.
Given, A function f(x) = x² + 3.
Let, y = x² + 3.
x² = 3 - y.
x = ± √(3 - y).
f⁻¹(x) = ± √(3 - x).
The inverse of the function is not a function as two distinct outputs have the same intput.
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Mr. Reede would really lIke his laptimes to be conslstently between 1.75 and 1.85 minutes.
What proportion of his laps were In this range?
8. In what proportion of laptimes did it take| Mr. Reede More than 2 minutes?
9. What laptime Is necessary for Mr. Reede to be in the fastest 3% of all his laps (remember a
fast laptime Is a low laptime)?
10. Redo problems #6-9 using the Applet and record your answers here:
Question #6:
Question #7:
Questilon #6:
Question #9:
In order to answer these questions, we need to have data on Mr. Reede's laptimes. Without this information, it is impossible to accurately calculate the proportions and laptime necessary for Mr. Reede to be in the fastest 3% of all his laps. Please provide the data so that we can accurately answer the questions.
Once we have the data, we can use the following steps to answer the questions:
1. To find the proportion of laptimes between 1.75 and 1.85 minutes, we can count the number of laptimes in this range and divide it by the total number of laptimes.
2. To find the proportion of laptimes that took more than 2 minutes, we can count the number of laptimes that took more than 2 minutes and divide it by the total number of laptimes.
3. To find the laptime necessary for Mr. Reede to be in the fastest 3% of all his laps, we can first calculate the 97th percentile of the data (since the fastest 3% of laptimes would be in the top 3% of the data). Then, we can find the laptime that corresponds to this percentile.
4. To redo the problems using the Applet, we can input the data into the Applet and use the built-in functions to calculate the proportions and percentile.
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Please help ASAP!!!!!!!! :)
Answer:
12(a) 4(x+19)=752 (b) 169
Step-by-step explanation:
12(a) 4(x+19)=752
(b) 4(x+19)=752
4x+76=752
4x=676
x=169
a. The equation representing the situation is 4(x+19)=752
b. The price of one ticket is $169
How to determine the valueIt is important to note that algebraic expressions are defined as expressions consisting of terms, coefficients, constants, factors and variables
They are also made up of mathematical operations are;
SubtractionAdditionMultiplicationBracketParenthesesDivisionFrom the information given, we have that;
Let x be the price ticket
This is then represented as;
4(x+19)=752
expand
4x + 76 = 752
collect the like terms
4x = 676
Divide by the coefficient
x = $169
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Explain in detail why the area of a trapezoidal region is 1/2h(a+b), where a & b are the lengths of the two parallel sides, and he is the height.
The area of a trapezoidal region is 1/2h(a+b), where a and b are the lengths of the two parallel sides, and h is the height.
The area of a trapezoidal region is given by the formula A = 1/2h(a+b), where a and b are the lengths of the two parallel sides, and h is the height. This formula can be derived by dividing the trapezoid into two right triangles and a rectangle, and finding the area of each of these shapes.
First, let's consider the two right triangles. The height of each of these triangles is h, and the lengths of their bases are (a-b)/2 and (b-a)/2, respectively. The area of each of these triangles is therefore 1/2h(a-b)/2 = 1/4h(a-b).
Next, let's consider the rectangle. The length of this rectangle is b, and the height is h. The area of this rectangle is therefore bh.
The area of the trapezoidal region is the sum of the areas of the two right triangles and the rectangle. This gives us:
A = 1/4h(a-b) + 1/4h(b-a) + bh
Simplifying this equation gives us:
A = 1/2h(a+b)
Therefore, the area of a trapezoidal region is 1/2h(a+b), where a and b are the lengths of the two parallel sides, and h is the height.
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The circumference of the inner circle is 44 ft. The distance between the inner circle and the outer circle is 2 ft. By how many feet is the circumference of outer circle greater than the circumference of the inner circle? Use
[tex]\frac{22}{7}[/tex] for [tex]\pi[/tex].
By 12.57 feet the circumference of outer circle greater than the circumference of the inner circle
Circle’s CircumferenceThe circle's boundary is the length of the circle's circumference, sometimes referred to as its perimeter. whereas the size of a circle determines the space it occupies.
The formula for calculating a circle's circumference is written as
Circumference = πD
where D stands for the circle's diameter.
The inner circle is 44 feet in diameter. It means that
22/7 × D = 44
22D = 7 × 44 = 308
D = 308/22
D = 14 ft
The inner circle and the outer circle are separated by 2 feet. This implies that the outer circle's diameter would be
14 + 2 + 2 = 18 ft
Circumference of the outer circle is
22/7 × 18 = 56.57 ft
The distance in feet that the circumference of the outer circle exceeds that of the inner circle is
56.57 - 44 = 12.57 feet
Hence, By 12.57 feet the circumference of outer circle greater than the circumference of the inner circle
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Math part 3 question 3
The given statement in the problem (f/g)(-2) = -6/5 is true.
What is a linear equation?A linear equation is an equation that has the variable of the highest power of 1. The standard form of a linear equation is of the form Ax + B = 0.
We are given that;
f(x) = 3x²
g(x) x - 8 ; (f/g)(-2) = -6/5
Now,
To evaluate (f/g)(-2), we need to divide f(-2) by g(-2).
We have f(x) = 3x², so f(-2) = 3(-2)² = 12.
We also have g(x) = x - 8, so g(-2) = (-2) - 8 = -10.
(f/g)(-2) = f(-2) / g(-2) = 12 / (-10) = -6/5.
So the statement (f/g)(-2) = -6/5
Therefore, the answer according to the given equation will be true.
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Word Bank: Parallelogram, Rectangle, Rhombus, Kite, Square, Isosceles Trapezoid.
Match the properties with the correct quadrilateral
1.
Opposite sides are congruent
Opposite angles are congruent
Consecutive angles are supplementary
Diagonals bisect each other
Diagonals are congruent
Diagonals are perpendicular
All four corner angles are 90°
Diagonals bisect angles
2.
Two pairs of consecutive congruent sides, but opposite sides are not congruent
Diagonals are perpendicular
Exactly one pair of congruent angles
Diagonals bisect one pair of angles
3.
Median = ½ (base + base)
Lower two base angles are congruent
Upper two base angles are congruent
The diagonals are congruent
Opposite angles are supplementary
4.
Opposite sides are congruent
Opposite angles are congruent
Consecutive angles are supplementary
Diagonals bisect each other
Diagonals are perpendicular
Diagonals bisect angles
All four sides are congruent.
The diagonals are NOT congruent.
5.
Opposite sides of a are congruent
Opposite angles of are congruent
Consecutive angles are supplementary
The diagonals of bisect each other
6.
Opposite sides are congruent
Opposite angles are congruent
Consecutive angles are supplementary
Diagonals bisect each other
Diagonals are congruent
All four corner angles are 90°
1. Parallelogram: Opposite sides are congruent, Opposite angles are congruent, Consecutive angles are supplementary, Diagonals bisect each other, Diagonals are congruent, Diagonals are perpendicular.
What is congruent?Congruence is a term used in mathematics to describe the relationship between two geometric figures or objects. When two geometric figures are said to be congruent, it means that the two figures have the same size and shape.
2. Rectangle: Two pairs of consecutive congruent sides, but opposite sides are not congruent, Diagonals are perpendicular, Exactly one pair of congruent angles, Diagonals bisect one pair of angles.
3. Rhombus: Opposite sides are congruent, Opposite angles are congruent, Consecutive angles are supplementary, Diagonals bisect each other, Diagonals are congruent, Diagonals are perpendicular.
4. Kite: Opposite sides are congruent, Opposite angles are congruent, Consecutive angles are supplementary, Diagonals bisect each other, Diagonals are perpendicular, Diagonals bisect angles.
5. Square: Opposite sides of a are congruent, Opposite angles of are congruent, Consecutive angles are supplementary, The diagonals of bisect each other, All four sides are congruent.
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I need help with 17 and 18
In given graph, Points that meet the condition X>-2 are A, B, C, and D. and Points that are below the line y=1 are points A, B, C, and E. and also None of the other students correctly plotted the point 4 units away from A.
What is graph?
A set of vertices or nodes connected by edges or arcs is known as a graph. Graphs are used to represent various mathematical concepts, relationships, and structures, such as networks, functions, sets, and data. Graphs can be visualized and analyzed to draw conclusions and make predictions about the underlying phenomena they represent.
For question 17:
a. Points that meet the condition X>-2 are A, B, C, and D.
b. Points that are below the line y=1 are points A, B, C, and E.
c. The point located three units to the right of the origin and two units above the x-axis is point F.
For question 18:
a. The labeled points are:
A: (3,0)
B: (4,3)
C: (-4,-2)
D: (1/12, 1/12)
E: (-3/2, 2/12)
F: (-4,-2)
b. The student who correctly plotted the point 4 units away from point A is Cassandra, who plotted the point (7,0). None of the other students correctly plotted the point 4 units away from A.
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(URGENT!!) Please show work as well
The value of x is 20 and the given two angles are adjacent .
What are parallel lines ?
Parallel lines are lines that are always the same distance apart and never intersect. They have the same slope but different y-intercepts. In other words, they have the same rate of change but different starting points. Parallel lines can be described by linear equations of the form y = mx + b, where m is the slope and b is the y-intercept.
From the given figure
we can say that,
the two angles 7x and x+20 are adjacent
and sum of two angles is 180 degrees.
SO,
7x+x+20 = 180
8x + 20 = 180
8x = 160
x = 160 / 8
x = 20
Therefore, The value of x is 20 and the given two angles are adjacent .
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pls answer this :))
due in 10 mins
Step-by-step explanation:
a=55 because
75+50+a=180 (Sum of angle in a stratight line)
or, 125+a=180
or, a=180-125
a=55
b=75 because they are alternate angles
c=50 because they are alternate angles
d=50 Because d=c(vertically opposite angle) and c=50
A 70% increase followed by a 50% decrease, is it greater than original, smaller or same as
Answer:
1.7 × .5 = .85
15% smaller than the original
If \( F(x)=f(g(x)) \), where \( f(-5)=4, f^{\prime}(-5)=6, f^{\prime}(2)=3, g(2)=-5 \), and \( g^{\prime}(2)=5 \), find \( F^{\prime}(2) \) \( F^{\prime}(2)= \) Enhanced Feedback Please try again usin
F(prime) = 30
Given the information in the question, we can calculate \(F^{\prime}(2)\) using the chain rule. The chain rule states that \(F^{\prime}(x) = f^{\prime}(g(x))\cdot g^{\prime}(x)\). Thus, \(F^{\prime}(2) = f^{\prime}(-5)\cdot g^{\prime}(2)\). Plugging in the given values, we get \(F^{\prime}(2) = 6 \cdot 5 = 30\). Therefore, \(F^{\prime}(2) = 30\).
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The volume of the rectangular prism below is 192 cubic centimeters.
Which equation can be used to find the height of the prism?
A.h=6⋅4
B.h=192÷
(6⋅4
)
C.h=192⋅6⋅4
D.h=192−
(6⋅4
)
Answer: B. h=192÷ (6⋅4)
Step-by-step explanation:
B. h=192÷ (6⋅4)
This equation can be used to find the height of the prism because the volume of a rectangular prism can be represented by the equation V = l*w*h, where l and w are the length and width, respectively, and h is the height. In this case, given that V=192, the equation h=192÷ (l*w) can be used to find the height, where l=6 and w=4.
10.
The sketch below shows a village green ABC which is bounded by three straight roads.
AB = 92 m, BC = 75m and AC = 105 m.
75m
B
92m
105 m
Calculate the area of the village green.
The area of the village green is 3552 square meters.
What is area ?
Area is a measure of the size or extent of a two-dimensional surface. It is the amount of space inside a closed figure or shape, and is typically measured in square units such as square meters (m²), square centimeters (cm²), square feet (ft²), square inches (in²), and so on.
To calculate the area of the village green, we can use Heron's formula which is given as:
[tex]Area of triangle = \sqrt{(s(s-a)(s-b)(s-c))}[/tex]
where s is the semi - perimeter (half the perimeter) of the triangle, and a, b, and c are the lengths of its sides.
The semi - perimeter of the triangle can be calculated as:
s = (AB + BC + AC)/2
s = (92 + 75 + 105)/2
s = 136
Using this value of s, we can calculate the area of the triangle as:
Area of triangle = [tex]\sqrt{(136(136-92)(136-75)(136-105))}[/tex]
Area of triangle = [tex]\sqrt{(136(44)(61)(31))}[/tex]
Area of triangle = [tex]\sqrt{(12655264)}[/tex]
Area of triangle = 3552
Therefore, the area of the village green is 3552 square meters.
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Rewrite as expression. Twenty divided by a number
find the cosine of
I dont know what else it wants me to say because it says that its to short to ask.
well, for the cosine of G we'll need the hypotenuse GH, so let's get it, Check the picture below.
[tex]\begin{array}{llll} \textit{using the pythagorean theorem} \\\\ c^2=a^2+o^2\implies c=\sqrt{a^2 + o^2} \end{array} \qquad \begin{cases} c=\stackrel{hypotenuse}{GH}\\ a=\stackrel{adjacent}{\sqrt{6}}\\ o=\stackrel{opposite}{1} \end{cases} \\\\\\ GH=\sqrt{ (\sqrt{6})^2 + 1^2}\implies GH=\sqrt{ 6 + 1 } \implies GH=\sqrt{ 7 } \\\\[-0.35em] ~\dotfill[/tex]
[tex]\cos(G )=\cfrac{\stackrel{adjacent}{\sqrt{6}}}{\underset{hypotenuse}{\sqrt{7}}}\implies \cos(G )=\cfrac{\sqrt{6}}{\sqrt{7}}\cdot \cfrac{\sqrt{7}}{\sqrt{7}}\implies \cos(G )=\cfrac{\sqrt{42}}{7}[/tex]
For the function f(x)=(x-2)^(2)-4, identify the parent function and the transformation (s) done.
For the function f(x)=(x-2)^(2)-4, the transformation(s) done to the parent function are a horizontal shift to the right by 2 units and a vertical shift downward by 4 units.
The parent function of the function f(x)=(x-2)^(2)-4 is the quadratic function f(x)=x^(2).
The transformation(s) done to the parent function are a horizontal shift to the right by 2 units and a vertical shift downward by 4 units.
This can be seen by comparing the given function to the parent function. The (x-2) in the given function indicates the horizontal shift to the right, and the -4 at the end of the function indicates the vertical shift downward.
Therefore, the transformation(s) done to the parent function are a horizontal shift to the right by 2 units and a vertical shift downward by 4 units.
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Foodtown advertised price of $3.25 for a 24-pack of soda seems like a good deal. Every day Abi spends 75 cents in the vending machines at work to buy a can of soda. How much can she save each day by buying the 2-4pack of soda and taking one with her to work?
How much would it cost for Abi to buy 24 sodas at the vending machines at work? (Explain what you did to get your results).
How much can she save each day by buying the 24 pack of soda and taking one with her to work? (Explain what you did to get your results).
Answer:
1) To calculate how much it would cost Abi to buy 24 sodas at the vending machines at work, we can multiply the cost of one can ($0.75) by 24 (24 sodas):
Cost at vending machine = $0.75 x 24 = $18
2) To calculate how much Abi can save each day by buying the 24 pack of soda and taking one with her to work, we can subtract the cost of one can at the vending machine ($0.75) from the cost of the 24 pack at Foodtown ($3.25):
Savings each day = $3.25 - $0.75 = $2.50
The side length of an equilateral triangle is 7 centimeters. Find the length of the altitude
Answer:
Step-by-step explanation:
The altitude of an equilateral triangle is basically the height of the triangle. We can find this using trigonometry, even though I'm sure there's a beautiful little formula that can find this.
If you cut an equilateral triangle in half, you get two special 30-60-90 triangles. The base of each triangle is 3.5 cm in length, and the height (not the hypotenuse!) is equal to:
[tex]base*\sqrt{3}[/tex]
So basically we have 3.5(sqrt(3)), or our altitude! Wow, how easy!
[tex]3.5(\sqrt{3})=6.06[/tex]
Hope this helps!
Darcy gave her beauty technician a $4.80 tip. The tip was 5% of the cost of the procedure. Write an equation to find b, the cost of the procedure. If all percents are expressed as decimals, the equation can be used to find b, the cost of the procedure.
Step-by-step explanation:
5% Tip = $4.80
1% = $4.80/ 5
Cost of procedure = $4.80/5 x 100% (Equation)
b = $4.80 x 20.0 or 20($4.80)
b =$96
Which of the following is the quotient of x^2 + 4 x – 32 when divided by x + 8?
To find the quotient of x^2 + 4x - 32 when divided by x + 8, we can use polynomial long division or synthetic division. Here's how to do it using polynomial long division:
x - 4
____________
To find the quotient of x^2 + 4x - 32 when divided by x + 8, we can use polynomial long division or synthetic division. Here's how to do it using polynomial long division:
markdown
Copy code
x - 4
____________
x + 8 | x^2 + 4x - 32
- (x^2 + 8x)
____________
-4x - 32
- ( -4x - 32 )
____________
0
Therefore, the quotient is x - 4.
The price of Stock A at 9 A.M. was $13.45 Since then, the price has been increasing at the rate of $0.07 each hour. At noon the price of Stock B was $13.95. It begins to decrease at the rate of $0.16 each hour. If the two rates continue, in how many hours will the prices of the two stocks be the same?
If the two rates remain the same, the number of hours needed for the values of the two stocks to be equal is 2.17 hours.
Explain about the rate of change?The slope, rate of change, or change in throughout the change in of a line determines its rate of change. A graph's slope triangle or 2 points in a column can be used to compute the slope.
At nine in the morning, Stock A cost $13.45. The cost has been rising since since at a pace of $0.07 per hour. The cost of Stock B was $13.95 at midday. It starts to fall at a pace of $0.16 each hour.Let 'x' be the time taken by each stock to reach at same value.
Then,
13.45 + 0.07x = 13.95 - 0.16x
13.45 - 13.95 = -0.16x - 0.07x
x = 0.5/0.23
x = 2.17 hours
If the two rates remain the same, the number of hours needed for the values of the two stocks to be equal is 2.17 hours.
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