Identify the type of display that would be most appropriate for the description of the given data set. The number of pets in each student's household.

720

Answer:

15/9 = 1200/x

15x/ 15 =10800/15

x= 720

Answer:

The expression is repeated multiplication form is 5.

The expression as power is 9.

Step-by-step explanation:

Answer:

The expression as powers is 5^9

Answer:

172.5

Step-by-step explanation:

mean of men=sum/no of men

177=sum/30

sum=177*30

= 5310

mean of women=sum/no of women

164=sum/16

sum=164*16

= 2624

mean height= (5310+2624)/30+16

=7934/46

=172.5

Answer:

172.48cm is the mean height for both groups put togther

Step-by-step explanation:

I've attached my work

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any way i can improve showing my work?

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Answer:

I got x=4

Step-by-step explanation:

Answer:

We can see that our y-value of our coordinates do not change so we can just subtract the first x-value from the second x-value.

[tex]x_2 - x_1[/tex]

[tex]4 - (-4)[/tex]

[tex]8[/tex]

The option that best matches our answer is Option B, [tex]8[/tex]

Hope this helps!  Let me know if you have any questions

Answer:

a3 = 112

Step-by-step explanation:

a2 + a1 = a4

So

3x + 20 = 4x + 4

x = 16

a4 = 68

180 - 68 = 112

Answer:

x² + 12x + y² + 4y - 25 = 0

Step-by-step explanation:

Equation of a circle

Finding r

Making the equation

The equation of the circle with center (-6, -2 containing the point (-10, -9) is x² + 12x + y² + 4y - 25 = 0

A circle is a shape consisting of all points in a plane that are given the same distance from a given point called the center.

WE know that the Equation of a circle;

(x - h)² + (y - k)² = r²

(h, k) = coordinates of a circle

(x, y) = coordinates of a point on the circle

r = radius

Finding r;

(-10 + 6)² + (-9 + 2)² = r²

r² = 16 + 49

r = √65

Making the equation,

(x + 6)² + (y + 2)² = (√65)²

x² + 12x + 36 + y² + 4y + 4 = 65

x² + 12x + y² + 4y - 25 = 0

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Answer:

Circumference is a special case of perimeter. Both describe the total length of the boundary of a two dimensional figure, but circumference specifically refers to the perimeter of a curved figure or arc. Therefore it only applies to circles, ovals, ellipses, arcs, etc.

Answer:

Both words are used to talk about how long the boundary is of a 2D figure. Think of circumference as a special case of finding the perimeter. The term circumference refers to the perimeter of a figure without sides or something like a circle or arc.

So if we were to look at a rectangle and try to determine how long the boundary is we would use perimeter. On the other hand, if we have a circle we have no way to track how long each side is therefore we use circumference.

Answer:

Step-by-step explanation:

The parabola y = -16x^2 + 32x opens downward and the y value of the vertex is 16

The equation of the function is given as:

y = -16x^2 + 32x

Factor out -16

y = -16(x^2 - 2x)

In the above equation, the factor -16 is negative,

This means that the parabola opens downward

We have:

y = -16(x^2 - 2x)

Set to 0

-16(x^2 - 2x) = 0

Divide by -16

x^2 - 2x = 0

Factor out x

x(x - 2) = 0

Split

x = 0 or x - 2 = 0

Solve for x

x = 0 or x = 2

Hence, the roots are 0 and 2, and the x-intercepts are (0,0) and (2,0)

We have:

y = -16x^2 + 32x

Differentiate

y' = -32x + 32

Set to 0

-32x + 32= 0

Divide through by -32

x - 1 = 0

Add 1 to both sides

x = 1

Hence, the x value of the vertex is 1

In (c), we have:

x = 1

Substitute x = 1 in y = -16x^2 + 32x

y = -16(1)^2 + 32(1)

Evaluate

y = 16

Hence, the y value of the vertex is 16

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Answer:

her rate in chapters per hour is:

6 chapters per hour

The value of the probability expression p(girl, girl, girl) is 1/8

The theoretical probability is given as:

P(girl) = 1/2

The value of p(girl, girl, girl) is calculated using:

p(girl, girl, girl) = p(girl) * p(girl) * p(girl)

So, we have:

p(girl, girl, girl) = 1/2 * 1/2 * 1/2

Evaluate

p(girl, girl, girl) = 1/8

Hence, the value of the probability expression p(girl, girl, girl) is 1/8

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The value of the given expression will be equal to 2060.

Expression in maths is defined as the collection of the numbers variables and functions by using the signs like addition,substraction, multiplication and division.

It is given that:-

=p²(m)-(np+r)

=(-8)²(32)-(2x(-8)+4)

=(64x32)-(-16+4)

=2060

Hence value of the given expression will be equal to 2060.

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The indefinite integral will be  [tex]\int (7x^2+8x-2)dx=\dfrac{7x^3}{3}+4x^2-2x+C)[/tex]

When we integrate any function without the limits then it will be an indefinite integral.

General Formulas and Concepts:

Integration Rule [Reverse Power Rule]:                                                              

[tex]\int x^ndx=\dfrac{x^{n+1}}{n+1}}+C[/tex]

Integration Property [Multiplied Constant]:                                                        

[tex]\int cf(x)dx=c\int f(x)dx[/tex]

Integration Property [Addition/Subtraction]:                                                      

[tex]\int [f(x)\pmg(x)]dx=\int f(x)dx\pm \intg(x)dx[/tex]

[Integral] Rewrite [Integration Property - Addition/Subtraction]:

[tex]\int (7x^2+8x-2)dx=\int 7x^2dx+\int 8xdx -\int 2dx[/tex]          

[Integrals] Rewrite [Integration Property - Multiplied Constant]:  

[tex]\int (7x^2+8x-2)dx=7 \int x^2dx+ 8 \int xdx -2\int dx[/tex]            

[Integrals] Reverse Power Rule:    

[tex]\int (7x^2+8x-2)dx= 7(\dfrac{x^3}{3})+8(\dfrac{x^2}{2})-2x+C[/tex]                                                            

Simplify:    

[tex]\int (7x^2+8x-2)dx= \dfrac{7x^3}{3}+4x^2-2x+C[/tex]                                                                                                      

So the indefinite integral will be [tex]\int (7x^2+8x-2)dx= \dfrac{7x^3}{3}+4x^2-2x+C[/tex]                

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Answer:

[0,∞), {y|y≥0}

Step-by-step expl

The graph of y =|3x + 1| is attached.

By observation, we can see that the the least y-value that the graph can take is y =0 (i.e the x-axis) and the greatest y-value that the graph can take is positive infinity.

Hence the range is [0,∞), {y|y≥0}

Step-by-step explanation:

the domain is the set or interval of all valid x-values.

the range is the set of interval of all valid y-values.

the function is a line function, so it's values will continuously increase with increasing x-valies.

therefore we can simply take the 2 interval ends of the domain as the x-values that create the lowest and the highest functions value in that interval.

the function does not make any large twists and turns in that interval.

y = 3x + 1

for x = 2

y = 3×2 + 1 = 6 + 1 = 7

for x = 8

y = 3×8 + 1 = 24 + 1 = 25

so, the range is [7, 25]

From the figure, the value of tan j is 13/9

The tangent of an angle is represented as: :

tan(j) = opposite leg/adjacent leg

From the figure, we have:

opposite leg = 13

adjacent leg = 9

Substitute these values in the above equation of tangent

tan(j) = 13/9

Hence, the value of tan j is 13/9

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The volume will be 3π + π²/16 if the solid obtained by rotating the region bounded by the given curves about the specified axis. y=0, y= cos(4 x), x = π/8, x = 0 about the axis y= -4f

It is defined as the mathematical calculation by which we can sum up all the smaller parts into a unit.

We have curves,

[tex]\rm y=0, y= \cos(4 x), x = \frac{\pi}{8}, x = 0[/tex]

Here the axis is y = -4f, but not mentioned the value of f.

We are assuming the f = 3/2

So the axis will be y = -4(3/2) = -6

Inner radius = 6

Outer radius = 6 + cos4x

[tex]\rm A(x) = \pi((6+cos4x)^2-6^2)[/tex]

[tex]\rm A(x) = \pi (cos^24x+12cos4x)[/tex]

[tex]\rm A(x) = \pi( \dfrac{1+cos8x}{2}+12cos4x)[/tex]

For the volume;

[tex]\rm Volume = \int\limits^\dfrac{\pi}{8}}_0 {A(x)} \, dx[/tex]

Put the function A(x) in the above integration and solve we will get:

[tex]\rm Volume = 3\pi + \dfrac{\pi^2}{16}[/tex]

Thus, the volume will be 3π + π²/16 if the solid obtained by rotating the region bounded by the given curves about the specified axis. Y=0, y= \cos(4 x), x = π/8, x = 0 about the axis y= -4f

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Answer:

y = 4 + 5x

Step-by-step explanation:

You can plug in numbers from the top row (the x's) and times and add to see if you get the corresponding number from the bottom row. This problem is a little mean and tricky because if you check with x=1, all of them work out right. But check with any other x and you will see that only one equation works, the first answer.

You can find "the rule" by looking for a pattern in the rows of numbers. The x goes up by 1, and the y goes up by 5 (if you go left to right on the table) With the 5 on top and 1 on the bottom, y/x, you get 5...that's the 5 that is beside the x in the answer. And if you imagine making one more column on the left side of the table, x=0 and y=4, that's the 4 that stands alone in the answer.

Answer:

36 quarters

9 / 0.25 = 36

Answer:

The longest ski pole to fit would lie diagonally. The length of the diagonal can be found by the Pythagorean theorem.

d=sqrt(1202+252)

d ~= 122.58 cm

Step-by-step explanation:

Answer:

123 cm (nearest whole number)

Step-by-step explanation:

The orientation of the ski pole to allow it to be its maximum length would be placing it from corner to opposite corner of the base of the box.

Therefore, this can be modeled as the hypotenuse of a right triangle, where the length and width of the box are the legs.

To find the hypotenuse, use Pythagoras' Theorem: a² + b² = c²

(where a and b are the legs, and c is the hypotenuse)

Given:

Substitute given values into the formula and solve for c:

⇒ a² + b² = c²

⇒ 25² + 120² = c²

⇒ c² = 15025

⇒ c = √(15025)

⇒ c = 123 cm (nearest whole number)

Answer:

Circumference= 2πr

For a semi circle, C= 2πr/2

144= (2×22×r)÷(7×2)

144= (44r)÷(14)

cross multiply:

44r= 144×14

44r= 2016

divide both sides by 44

r= 2016÷44

r=45.8cm. But d=2r

d= 2×45.8

d=91.6cm approximately 92cm

Thus, diameter= 92cm

Answer:

Probably candycorn, to be honest nobody really even like's candycorn so that's why it's kinda sad.

Answer:

Kia makes 19.25 dollars an hour.

Step-by-step explanation:

6x4+8=32 (hours: 6 hours for 4 days, and 8 hours for 1 day)

616 divided by 32 = 19.25

Answer:

36cm² is the answer.....

Answer:

A and D are correct.

Ans

2:47 mins

Step-by-step explanation:

2 1/6 ÷7/8 = 2 10/21

2 10/12 to decimal 2.47