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3 years ago

The expression on the left side of an equation is shown below.

Mathematics

1 answer:

Katyanochek1 [597]3 years ago

7 0

Answer:its c i think

Step-by-step explanation:

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What is the solution to this equation? 3x-x+8+5x-2=10

Kaylis [27]

3x - x + 8 + 5x - 2 = 10

combine like terms on the left, then add or subtract as asked
(3x - x + 5x) + (8 - 2) = 10

7x + 6 = 10
subtract 6 from both sides

7x = 4
divide both sides by 7

x = 4/7

Hope this helps! :)

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3 years ago

Someone please help!

Mila [183]

Answer:

RU is 8

Step-by-step explanation:

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3 years ago

If john has a bag of 30 sweets and he eats 21. what is the percentage is left

Katen [24]

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3 years ago

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What is 45% out of 44209

Talja [164]

Answer:

1.01789228E-5

Step-by-step explanation:

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3 years ago

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If a triangle is 12 inches high and has a 20 inch long hypotenuse then how wide is it?

Ber [7]

Answer:

The triangle should be 16 inches wide.

Step-by-step explanation:

$\text {Use the Pythagorean Theorem to solve for the leg.}\\a^2 + b^2 =c^2$

What we know:

One of the legs measures 12 inches.

The hypotenuse is 20 inches.

We need to solve for b. Solving for a while b is 12 would also be acceptable.

$12^2 + b^2 = 20^2 \text { OR } a^2 +12^2=20^2$

We will use the first equation.

$12^2 + b^2 = 20^2\\12 * 12 = 144\\20 * 20 = 400\\\\\boxed {144 + b^2 = 400}$

$\text {Subtraction property of equality: }\\144-144+ b^2 = 400-144\\\boxed {b^2 = 256}\\\\\text {Take the square root of 256: }\\\sqrt{256}=\sqrt{b^2} \boxed {16 = b}$

The triangle should be 16 inches wide.

3 0

3 years ago