MATHEMATICS COLLEGE

Given that the measurement is in centimeters,find the area of the circle to the nearest tenth.(Use 3.14 for pi)A)28.3
B)56.5
C)88.7
D).254.3
Given that the measurement is in centimeters,find the area of - 1

Answers

Answer 1
Answer:

Answer:

D) 254.3

Step-by-step explanation:

The formula for the area of a circle is πr^2

so it would be, 3.14 x 9 x 9= 254.34

then just round your answer to the nearest tenth to get 254.3

Hope this helps! Let me know if you need help with anything else!

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Which of the following correctly displays 1/2 r - t
Please Explain/Show your work!

Y/9 + 5 = 0 ???????????

Answers

Answer:

y=-45

Step-by-step explanation:

(y)/(9)+5=0

(y)/(9)=-5

y=-45

Match the postions on the number line with the numbers they represent

Answers

1.8,-2.2,1.8,-2.2,-1.8,-1.8,2.2,2.2

they are listed from top to bottom

Jocelyn and Lorlesha are comparing the size of their villages in the Clash of Clans app. The area of Jocelyn's village is represented by the polynomial, 2w2+10w+12. the area of lorleshas village is represented by the polynomial, 3w2+4w-5, where e represents the width, in meters of their Town hall. part A: find the expression that represents the additional area Jocelyns village.

part B: find the expression that represents the combined total area of their villages.

Answers

Answer:

A:-w^(2)+6w+17

B: 5w^(2)+14w+7

Step-by-step explanation:

We have been given that the area of Jocelyn's village is represented by the polynomial 2w^(2)+10w+12. The area of Lorlesha's village is represented by the polynomial 3w^(2)+4w-5, where w represents the width, in meters of their Town hall.

A: To find the expression that will represent the additional area of Jocelyn's village, we will subtract the total area of Lorlesha's village from the total area of Jocelyn's village.

\text{Additional area of Jocelyn's village}=2w^(2)+10w+12-(3w^(2)+4w-5)

Let us distribute negative sign to simplify our expression.

\text{Additional area of Jocelyn's village}=2w^(2)+10w+12-3w^(2)-4w+5

Upon combining like terms we will get,

\text{Additional area of Jocelyn's village}=2w^(2)-3w^(2)+10w--4w+12+5

\text{Additional area of Jocelyn's village}=(2-3)w^(2)+(10-4)w+12+5

\text{Additional area of Jocelyn's village}=-w^(2)+6w+17

Therefore, the expression that represents the additional area Jocelyn's village is -w^(2)+6w+17.

B: To find the expression that represents the combined total area of their villages we will add areas of Jocelyn's and Larlesha's village.

\text{Combined total area}=2w^(2)+10w+12+(3w^(2)+4w-5)

Upon combining like terms we will get,

\text{Combined total area}=2w^(2)+3w^(2)+10w+4w+12-5

\text{Combined total area}=(2+3)w^(2)+(10+4)w+12-5

\text{Combined total area}=5w^(2)+14w+7

Therefore the expression represents the combined total area of their villages is 5w^(2)+14w+7.  

The​ point-slope form of the equation of a nonvertical line with slope, m, that passes through the point (x1,y1) is...?a. Ax+By=c

b. y-y1=m(x-x1)

c. y1=mx1+b

d. Ax1+by1=C

e. y=mx+b

f. y1-y=m(x-x1)

Please explain why, if you can. Thanks! :)

Answers

The equation of the line, in point-slope form, is given by:

y - y_1 = m(x - x_1)

Option b.

-----------------------------------------

The equation of a line, in point-slope form, is given by:

y - y_1 = m(x - x_1)

In which

  • m is the slope.
  • The point is (x_1,y_1).
  • Nonvertical line means that m \neq 0
  • Thus, the correct option is given by option b.

A similar problem is given at brainly.com/question/24144915

Answer:

  b. y-y1 = m(x-x1)

Step-by-step explanation:

It's a matter of definition. There are perhaps a dozen useful forms of equations for a line. Each has its own name (and use). Here are some of them.

  • slope-intercept form: y = mx + b
  • point-slope form: y -y1 = m(x -x1)
  • two-point form: y = (y2-y1)/(x2-x1)(x -x1) +y1
  • intercept form: x/a +y/b = 1
  • standard form: ax +by = c
  • general form: ax +by +c = 0

Adding y1 to the point-slope form puts it in an alternate form that is useful for getting to slope-intercept form faster: y = m(x -x1) +y1. I use this when asked to write the equation of a line with given slope through a point, with the result in slope-intercept form.

Create a polygon JKLMNOPQ that is a dilation of polygon ABCDEFGH with a scale factor of 3 about the origin

Answers

The dilated polygon and polygon are created. And the scale factor of the polygon STUVWXYZ to JKLMNOPQ will be 9.

What is dilation?

Dilation is the methodology of expanding the dimensions of an object without impacting its appearance.

The coordinate of the polygon ABCDEFGH is given as,

(3, -3), (4, -4), (5, -3), (8, -6), (10, -4), (9, -3), (8, -4), (5, -1)

a) If the scale factor is 3, then the coordinate of the polygon JKLMNOPQ is given as,

⇒ 3 [(3, -3), (4, -4), (5, -3), (8, -6), (10, -4), (9, -3), (8, -4), (5, -1)]

⇒ (9, -9), (12, -12), (15, -9), (24, -18), (30, -12), (27, -9), (24, -12), (15, -3)

b) If the scale factor is 1/3, then the coordinate of the polygon STUVWXYZ is given as,

⇒ 1/3 x [(3, -3), (4, -4), (5, -3), (8, -6), (10, -4), (9, -3), (8, -4), (5, -1)]

⇒ (1, -1), (4/3, -4/3), (5/3, -1), (8/3, -2), (10/3, -4/3), (3, -1), (8/3, -4/3), (5/3, -1/3)

c) The polygon JKLMNOPQ and STUVWXYZ are similar. Then the scale factor is given as,

Scale factor = 9/1

Scale factor = 9

The diagram is given below.

More about the dilation link is given below.

brainly.com/question/2856466

#SPJ9

A diver is 5 feet above the surface of a pool. If his position can be recorded as 5 feet , what would the position of 0 represent

Answers

Answer:

on the surface of the pool should be your answer

Step-by-step explanation: uuh- google
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