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3 years ago

Find the area of the circle. Leave your answer in terms of π.

Mathematics

2 answers:

jeka943 years ago

6 0

Answer:

254.47

Step-by-step explanation:

the area of a circle can be found using the formula

pi(radius)^2

in your problem, the radius is 9. Plug it into the equation

pi(9)^2

9^2 is 81

81(pi)

pi is about 3.14

area is 254.47

If you need help, feel free to message me

vova2212 [387]3 years ago

5 0

Answer:

81 $\pi$

Step-by-step explanation:

A= $\pi$ r²

A= $\pi$ 9²

A=81 $\pi$

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Triangle ABC is similar to triangle DEF.

valina [46]

Step-by-step explanation:

angle B = angle E

angle C = angle F

AC= DF

BC = EF

7 0

3 years ago

HELP PLZ i need help with this math side i just need b,c,d a =4x+2y=16

tino4ka555 [31]

Answer:

Please check the explanatio.

Step-by-step explanation:

Solving Part b)

We know that the slope-intercept form of the equation line is

$y=mx+b$

where m is the slope and b is the y-intercept

Given the equation

$4x+2y=16$

Re-writing the equation in the slope-intercept form

$4x+2y=16$

$y=-2x+8$

Here, m=-2 and b=8

Thus, the equation in the slope-intercept form will be:

$y=-2x+8$

Solving Part c)

As you sold two pounds of cheddar cheese.

i.e. y=2

substituting y=2 in the slope-intercept form of the line equation

$y=-2x+8$

$2=-2x+8$

Subtract 8 from both sides

$-2x+8-8=2-8$

$-2x=-6$

Divide both sides by -2

$\frac{-2x}{-2}=\frac{-6}{-2}$

$x=3$

You sold 3 pounds of swiss cheese.

Solving Part d)

$y=-2x+8$

putting x=2.5 in the equation

$y=-2x+8$

$2=-2\left(2.5\right)+8$

$2=3$

The sides are not equal

FALSE

Thus, x=2.5 does not make any sense in the context of the problem.

6 0

2 years ago

Answer the question attached: (I need this ASAP)

Illusion [34]

Answer:

A≈534.07

Step-by-step explanation:

A=2πrh+2πr^2

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3 years ago

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saw5 [17]

Answer:

Step-by-step explanation:

The equation of direct variation is y=kx.

K is the constant of proportionality, which is in this case is -3.

y=-3x

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3 years ago

Blake is signing a lease for a studio apartment that rents for $425/month. How much will Blake pay to move in if he must pay the

jeka57 [31]

Answer:

Step-by-step explanation:

The total of the rental and security deposits amounts to two and a half months' rent:

2.5 × $425 = 1062.50

It will cost Blake $1062.50 to move in.

8 0

2 years ago