4 years ago

Expand 1/5(10x-25) Whats the ans. Need help.

Mathematics

2 answers:

Inga [223]4 years ago

7 0

I got 2x-5 as an answer.

Vlad1618 [11]4 years ago

7 0

The answers would be 2x-5.

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Cw 8.2 Pythagorean’s Theorem

myrzilka [38]

<u>Answer:</u>

16. x = 15

17. x = 5

18. x = 34.2

<u>Step-by-step explanation:</u>

We are given right angled triangles so using the Pythagoras Theorem to find the length of the unknown side for each triangle:

$a^2=b^2+c^2$

16. x = 15

$x = \sqrt {9^2+12^2}$

$x = \sqrt {81 + 144}$

$x = \sqrt {225}$

$x = 15$

17. x = 5

$13^2 = x^2 + 12^2$

$169 = x^2 + 144$

$x^2 = 196 - 144$

$\sqrt{x^2} =\sqrt{25}$

$x=5$

18. x = 34.2

$x= \sqrt{12^2+32^2}$

$x=\sqrt{144+1024}$

$x=\sqrt{1168}$

$x=34.2$

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3 years ago

A room is 15 feet long and 12 feet wide. A scale drawing of the room is 10 inches by 8 inches. What is the scale of inches in th

elena-s [515]

Answer:

Braniest please and promise

Step-by-step explanation:

3/2 or 3/2=1.5

4 0

3 years ago

Read 2 more answers

Calculate the quotient of 2 8 divided by 1 4 .

Lunna [17]

Answer:

2 28 divided by 14 is 2

Step-by-step explanation:

28÷14=2

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3 years ago

Brandon says that 3/8 equals 8/13 because 3 + 5 equals 8 + 8 + 5 equals 13 is he correct ? Explain

ohaa [14]

Answer: No, because when you divide 3/8 you get .375 and when you divide 8/13 you get .62
Not sure where they even got the 5 from.

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3 years ago

8) A rectangular prism has a width of 9 cm, a height of 7 cm and a depth of 2 cm. What is the

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Answer:

The answer is 126 $cm^{3}$

Step-by-step explanation:

The formula for the volume of a rectangle is L x W x H.

So you just plug in the numbers into the formula.

2 x 9 x 7

That equals 126.

3 0

3 years ago