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Valentin [98]
2 years ago
9

I NEED HELP ASAP AND PLEASE GIVE A STEP BY STEP FOR THE EXPLANATION WORTH 15 points

Mathematics
1 answer:
Karolina [17]2 years ago
4 0

Answer:

Step-by-step explanation:

the second one , why? because 7a-12a=-5a

4  - 8 = -4

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Consider the expression? <br> Please help me !
Arada [10]

Answer:

sqrt(-8x+5)

Step-by-step explanation:

(5-8x)

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

sqrt(-8x+5)

We need to rationalize the denominator

(5-8x)               sqrt(-8x+5)

----------------- * ---------------

sqrt(-8x-5)         sqrt(-8x+5)

(5-8x)               sqrt(-8x+5)

----------------- * ---------------

(-8x+5)

The first term cancels

sqrt(-8x+5)

8 0
3 years ago
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The area of a triangle is 24sq inches. If the base of the triangle is 6 inches, what is the height?
Helen [10]

Answer:

8 inches

Step-by-step explanation:

To find the area of a triangle, we use the formula

A = 1/2 bh where b is the length of the base and h is the height

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24 = 1/2 (6) * h

24 =3h

Divide each side by 3

24/3 = 3h/3

8 =h

The height is 8 inches

4 0
3 years ago
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I’ve been stuck on this question for an hour? I need help ASAP! Thanks! What is the total surface area of the trapezoidal prism?
CaHeK987 [17]

Answer:

262mmsq

Step-by-step explanation:

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3 years ago
The wrapping material used for the birthday gift was 546 in.² if the length of the box was 7 inches and the width is 6 inches. w
lara31 [8.8K]

Answer:

6x7 = 42 so then you divide 546 by 42 then it should be 13

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Find the domain of the function:<br><br> V(X)= the square root of 9+X
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Answer:

[-9,∞)

Step-by-step explanation:


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3 years ago
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