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Pani-rosa [81]
3 years ago
14

I can’t figure this out! I need help

Mathematics
1 answer:
Sophie [7]3 years ago
6 0
Split them into triangles and rectangles. 

15 x 9 = 135
(6 x 3) / 2 = 9
135 - 9 = 126

This gives you the area of the rectangle with the triangle taken out of it.

15 - 6 = 9
(9 x 6) / 2 = 27

This gives you the area of the triangle at the top.

Add these together: 27 + 126 = 153, and that's your answer!

Hope I helped x
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marissa [1.9K]

Answer:

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8 0
2 years ago
4 pencils and 3 crayons are 20.9 inches. 5 pencils and 4 crayons are 26.5 inches. Each pencil is the same length as the other pe
erastova [34]

Answer:

The length of the pencils is 4.1 inches and for the crayons 1.5 inches

Step-by-step explanation:

We can solve by means of a 2x2 system of equations, we have to:

let "x" be the length of the pencils

let "y" be the length of the crayons

4 * x + 3 * y = 20.9

5 * x + 4 * y = 26.5 => x = (26.5 - 4 * y) / 5

Replacing:

4 * (26.5 - 4 * y) / 5 + 3 * y = 20.9

21.2 - 3.2 * y + 3 * y = 20.9

-0.2 * y = 20.9 - 21.2

y = -0.3 / -0.2

y = 1.5

now for x:

x = (26.5 - 4 * 1.5) / 5

x = 4.1

This means that the length of the pencils is 4.1 inches and for the crayons 1.5 inches

5 0
3 years ago
Solve for x.<br> x2 + 8x + 15 = 0
likoan [24]

Answer: x=−3 or x=−5

Step-by-step explanation:

Step 1: Factor left side of equation.

(x+3)(x+5)=0

Step 2: Set factors equal to 0.

x+3=0 or x+5=0

x=−3 or x=−5

7 0
3 years ago
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wariber [46]

Answer:

3.8 million lbs in tons is equivalent to 1900 pounds

Step-by-step explanation:

2000 lbs is equal to 1 ton so 3800000 divided by 2000 equals 1900.

8 0
2 years ago
Read 2 more answers
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That would be c 4x^3-x^2+3x+13
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2 years ago
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