3 years ago

PLEASE HELP!!!!! What are the values of a and b? -7(x+3)=ax+b

Mathematics

1 answer:

Artist 52 [7]3 years ago

3 0

Step-by-step explanation:

Hope dis helps you......

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-9(y+12)=4(-7y-8)<br> Solve for y

miv72 [106K]

-9(y + 12) = 4(-7y -8)

Use the distributive property:

-9y - 108 = -28y -32

Add 32 to both sides:

-9y - 76 = -28y

Add 9y to both sides:

-76 = -19y

Divide both sides by-19

Y = 4

5 0

3 years ago

ill give brainliest!! Solve these equations for the variable. Check your solutions. please put the answers to this

natima [27]

Answer:

I have done one question for you

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2 years ago

Formula for the surface area of a cylinder, SA = 2ar2 + 2arh. Solve for h.

MakcuM [25]

Answer:

$h=\frac{SA-2\pi r^2}{2\pi r}$

Step-by-step explanation:

The formula for the surface area of a cylinder is:

$SA=2\pi r^2+2\pi rh$

And we want to solve for the height h.

First, subtract $2\pi r^2$ from both sides. This yields:

$2\pi rh=SA-2\pi r^2$

Now, divide both sides by $2\pi r$ . This yields:

$h=\frac{SA-2\pi r^2}{2\pi r}$

And we're done!

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3 years ago

60 minutes is 20% of<br> minutes.

PilotLPTM [1.2K]

Answer:

60 minutes is 20% of 300 minutes

Step-by-step explanation:

let x be the number of total minutes

60 = 20% of x

20% = 1/5

60 = 1/5x

multiply both sides by 5

300 = x

x = 300 minutes

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3 years ago

C) Write 2400 000 in standard form.

svp [43]

Answer:

2 400 000

Step-by-step explanation:

divide the numbers into 3

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3 years ago

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