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Mrac [35]
2 years ago
10

Solve for x: 8x2 + 64x = 0

Mathematics
2 answers:
ikadub [295]2 years ago
6 0
8x2+64x=0

16x+64x=0 ===> x=0
Svet_ta [14]2 years ago
4 0
8 x² + 64 x = 0
x · ( 8 x + 64 ) = 0
x = 0,  or:  8 x + 64 = 0
                 8 x = - 64
                 x = - 64 : 8
                 x = - 8
Answer :  x = 0, or x = -8
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aleksandrvk [35]

Answer:

B) 12 hours

Explanation

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8 0
2 years ago
Help i don’t know how to do this
lyudmila [28]

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7 0
2 years ago
A coat has been marked down 20% to $26.40 what was it's original value?
Gemiola [76]
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6 0
3 years ago
A pencil factory makes 50 cases of pencils in 5 hours.
Oduvanchick [21]


If a pencil factory makes 50 cases of pencils in 5 hours. Let's first find out how many cases are made per hour.

50 ÷  5 = 10 cases per hour

Now you need to know how long it will take to make 55 cases. Since we already know that it takes 5 hours to make 50 cases. So you need to know how many cases for the extra 5 cases. If it takes 1 hour to make 10 cases, it would only take 1/2 hour to make 5 cases.

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Hope this helps. :)

5 0
3 years ago
Jared has some quarters and dimes that total $5.50. If he has 8 more quarters that dimes, how much dimes does Jared have?
MAXImum [283]
Answer: 10 dimes

Solve using system of equations.
q=number of quarters and d=number of dimes
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substitute 8+d for q into the first equation to get .25(8+d)+.10d=5.50
then simplify
2+.35d=5.50
.35d=3.50
d=10 he has 10 dimes
8 0
3 years ago
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