3 years ago

Can someone help? i really don’t understand. question is in the picture

Mathematics

1 answer:

Delicious77 [7]3 years ago

5 0

Answer: (-1,2)

Step-by-step explanation:

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Simplify the Expression: 3(x - y + 5)

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Answer:

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Step-by-step explanation:

Multiply everything inside the parenthesis by the outside number.

3 times X gives us 3x

3 times -Y gives us -3y

3 times 5 gives us 15

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3 years ago

Is 8/5 a rational number?

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Step-by-step explanation:

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Step-by-step explanation:

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The formula for the surface area of a cylinder with radius r and height h is at times twice the product of the

MrMuchimi

Answer:

<em> $2\pi \: rh + 2\pi {r}^{2} = 2(t \times {r}^{2} )$ </em>

Step-by-step explanation:

The TSA of the cylinder

$2\pi \: rh + 2\pi {r}^{2}$

In Mathematics, 'is' is =

Twice means 2( )

Product means ×

So we have

$2\pi \: rh + 2\pi {r}^{2} = 2(t \times {r}^{2} )$

as the answer.

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3 years ago

2х - 12 = 24

Eduardwww [97]

Answer:

x=18 y=25

Step-by-step explanation:

1)2x18=36-12=24

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3 years ago