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3 years ago

Please help I will do brainliest!!!! Pleaseeeeee.

Mathematics

1 answer:

bezimeni [28]3 years ago

3 0

Answer:

The Correct Answer Would be. ). C or Step 3

Step-by-step explanation:

She Did This Incorrectly By Not Simplifying the Inside Parentheses

She would of Gotten It correct if she Done

-------------------------------------

(65.6+70.99-12.25)(1/4)

(124.24)(1/4)

31.06

Hope This Helps

- Dante

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If < A and < B are vertical angles, and < A = 2x - 11 degrees, and < B = x + 7 degrees, find x.

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Answer:

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Step-by-step explanation:

Vertical angles are congruent. This means that they are equal to each other. So, to solve set them equal to each other and isolate x. First, set up the equation. Then, subtract x from both sides. Finally, add 11 to both sides and simplify.

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3 years ago

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For the first one,

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3 years ago

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If 11 is subtracted from twice a number the answer is 7. Find the number?

KonstantinChe [14]

Answer:
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3 years ago

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Find the area of this trapezoid. Include the correct unit in your answer.

NemiM [27]

Answer:

$\displaystyle A _{ \text{trapezoid}} = 70 {m}^{2}$

Step-by-step explanation:

we are given a trapezoid

we want to figure out the area

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$\displaystyle A _{ \text{trapezoid}} = \frac{a + b}{2} h$

where a and b represent the parallel lines and h represents the height

we get from the pic that a and b are 5 and 15 respectively and h is 7

so substitute:

$\displaystyle A _{ \text{trapezoid}} = \frac{5 + 15}{2} \times 7$

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$\displaystyle A _{ \text{trapezoid}} = \frac{20}{2} \times 7$

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$\displaystyle A _{ \text{trapezoid}} = 70$

since we multiply two same units we of course have to use square unit

hence,

$\displaystyle A _{ \text{trapezoid}} = 70 {m}^{2}$

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3 years ago