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NARA [144]
3 years ago
10

Find the solution set for this equation. a2 + a=0 Separate the two values with a comma.

Mathematics
1 answer:
ira [324]3 years ago
6 0

Answer:

a = 0,-1

Step-by-step explanation:

a^2 + a=0

Factor out an a

a(a+1) =0

Using the zero product property

a=0   a+1 =0

a=0  a= -1

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PLEASE SOMEONE HELP ME WITH THIS! (10 POINTS)
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Answer:

d

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4 0
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Which of the following points lie on y-axis?
prohojiy [21]

Answer:

C (0,1)

D (0,0)

E (0,-1)

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The x coordinate has to be a zero so that the point could be on the Y-axis

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What is (x – 3)(2x + 1)
umka21 [38]

Answer:

(x – 3)(2x + 1)

Expand the terms

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Final answer

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Hope this helps you.

3 0
4 years ago
Bryan earns $7.50 per hour working at mcdonalds and $6.00 per hour mowing lawns. Last week he worked 40 hours and earned $282. H
scoundrel [369]

Answer:

12 hr. mowing lawns

28 hr. working at Mc Donalds

Step-by-step explanation:

Let t = time mowing lawns

then 40 - t = time working at McDonalds

7,5(40 - t) + 6t = 282

300 - 7.5t + 6t = 282

-1.5t = -18

t = 12 hr. mowing lawns

40 - t = 40 - 12 = 28 hr. working at Mc Donalds

8 0
3 years ago
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