3 years ago

Anybody have an answer?

Mathematics

1 answer:

Maksim231197 [3]3 years ago

3 0

90 is the awser to the qwestion

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2y - 7+ 5y = 0<br> Step by step work

Ugo [173]

Answer:

y=1

Step-by-step explanation:

2y+5y-7=0

Combine y: 7y-7=0

Move 7 over: 7y=7

Divide by 7:y=1

5 0

3 years ago

Write an algebraic expression for the given quantity. Let x represent the unknown value.

Lelechka [254]

Answer:

Step-by-step explanation:

There is no equal sign.

1/2 x - 5*x

is all there is.

7 0

3 years ago

A cylinder has a height h, and a radius (3h-2)

tekilochka [14]

Answer:

$V= 4\pi (9h^2 -12h + 4)$

Step-by-step explanation:

Given

Shape: Cylinder

$Radius = 3h - 2$

$Height = h$

$Base\ Area = \pi (3h - 2)^2$

Required

Simplify the volume

The volume is calculated as:

$Volume = Base\ Area * Height$

Substitute values for Base Area and Height

$V= \pi(3h-2)^2*h$

Expand the bracket

$V= \pi(3h-2)(3h-2)*h$

Open brackets

$V= \pi (9h^2 -6h - 6h + 4) *h$

$V= \pi (9h^2 -12h + 4) *h$

$V= 4\pi (9h^2 -12h + 4)$

6 0

2 years ago

Combine, and simplify the following radical expressions:<br><br> √7-5/√7+√8

solmaris [256]

$\frac{\sqrt{7}-5}{\sqrt{7}+\sqrt{8}}$

Rationalize.

$-7+2\sqrt{14}+5\sqrt{7}-10\sqrt{2}$

This can be further simplified to the decimal:

-0.43006...

I hope this helps :)

7 0

3 years ago

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5. Jared collected data on the ages and heights of a random

Zepler [3.9K]

Now, as you grow older, most people get TALLER, right? So, when both items move up, it is positive correlation. Now, there are those few special ones who break the law of growing, nah just kidding. It's C :)

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3 years ago