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konstantin123 [22]
2 years ago
10

I really need this answer ASAP! Please answer correctly! No links please.

Mathematics
1 answer:
Mademuasel [1]2 years ago
8 0

Answer:

Step-by-step explanation:

Slope= - 6/7

Point (-4, 2)

b = y - (m)(x)

b = 2- (-6/7)(-4)

b = 2 - 24/7

b = -10/7

y = - 6/7x - 10/7

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What is the value of a?
Annette [7]

Answer:

<h2>a = 16</h2>

Step-by-step explanation:

Look at the picture.

The formula of an area of a trapezoid is:

A=\dfrac{b_1+b_2}{2}\cdot h

b_1,\ b_2 - bases

h - height

We have:

A=128,\ b_1=a+2,\ b_2=a-2,\ h=8

Substitute:

128=\dfrac{a+2+a-2}{2}\cdot8\\\\128=\dfrac{2a}{2}\cdot8

128=8a          <em>divide both sides by 8</em>

16=a\to a=16

8 0
3 years ago
What does the y = f(x) represent?
skad [1K]

Answer:

a.

the function we are working with

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6 0
3 years ago
Find the surface area of a cylinder with a base diameter of 8ft and a height of 6ft. Write your answer in terms of pi, and be su
Ksju [112]

Given that diameter of the base of the cylinder = 8 ft

Given that height of the cylinder = 6 ft

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So we need to use formula of surface area of the cylinder which is

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Area= 2\pi *4(7)

Area= 2\pi *28

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Hence final answer is

Area= 56\pi square ft

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