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AnnyKZ [126]
4 years ago
13

Math algebra 1

4)" align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
34kurt4 years ago
7 0
X=1 is the answer i hope i helped
german4 years ago
3 0

I think the answer is 17.25

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Use the zero product property to find the solutions to the equation x^2 + x -30=12
Alla [95]

Answer:

The solutions are x = -7, 6.

Step-by-step explanation:

To find the solutions, move everything to one side of the equation so the equation is equal to 0. Then factor. Set the factors equal to 0 and solve for x.

x^2 + x - 30 = 12\\x^2 + x -42=0\\(x+7)(x-6) = 0

x+7 = 0

x = -7

and

x-6 = 0

x = 6

The solutions are x = -7, 6.

6 0
3 years ago
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Della has 3 5/8 yards of ribbon. About how many 1/4 yard long pieces can she cut
Andrei [34K]

Answer:

14 pieces of string with 1/8 yard left. Hope this helped!

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3 years ago
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aksik [14]
-48:4=-12
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4 years ago
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8.2.AP-7
siniylev [52]

Answer:

c ≈ 40

Step-by-step explanation:

Using the sine ratio in the right triangle

sin40° = \frac{opposite}{hypotenuse} = \frac{BC}{AC} = \frac{26}{c} ( multiply both sides by c )

c × sin40° = 26 ( divide both sides by sin40° )

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7 0
3 years ago
Can someone help me please (brainiest and 50 points)
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Answer:1. 12 ft sq.

2. 4 ft

3. 12 - 4(doors) = 8

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