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3 years ago

What is 7x 7(10) =98 in slope intercept form?

Mathematics

1 answer:

labwork [276]3 years ago

4 0

7x+70=98

7x=28

x=4
this is the answer

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Which of the following is a correct interpretation of the expression -4 + 13? A. the number that is 4 to the left of -13 on the

svetoff [14.1K]

Answer:

The answer is D the number that is 13 to the right of -4 on the number line.

Step-by-step explanation:

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3 years ago

Who know how to do surface area of cylinders? Really need help

DiKsa [7]

Answer:

To find the surface area of a cylinder add the surface area of each end plus the surface area of the side. Each end is a circle so the surface area of each end is π * r2, where r is the radius of the end. There are two ends so their combinded surface area is 2 π * r2.

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3 years ago

X=5^m Make m the subject

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2 years ago

Does anyone need help solving algebraic expressions

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2 years ago

What is the answer to this?

Trava [24]

Answer:

Step-by-step explanation:

The formula of a volume of a cylinder:

$V=\pi r^2H$

r - radius

H - height

We have

$2r=4\ in\to r=2\ in\\\\H=8\ in$

Substitute:

$V_1=\pi(2^2)(8)=\pi(4)(8)=32\pi\ in^3$

The formula of a volume of a cone:

$V=\dfrac{1}{3}\pi r^2H$

We have

$r=2\ in\\\\H=0.7\ in$

Substitute:

$V_2=\dfrac{1}{3}\pi(2^2)(0.7)=\dfrac{1}{3}\pi(4)(0.7)=\dfrac{1}{3}\pi(2.8)=\dfrac{2.8\pi}{3}=\dfrac{28\pi}{30}=\dfrac{14\pi}{15}\ in^3$

The volume of the plastic object:

$V=V_1-V_2$

$V=32\pi-\dfrac{14\pi}{15}=\dfrac{480\pi}{15}-\dfrac{14\pi}{15}=\dfrac{466\pi}{15}\\\\\pi\approx3.141\\\\V\approx\dfrac{466}{15}\cdot3.141\approx97.6$

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2 years ago