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ExtremeBDS [4]
3 years ago
8

An electrician bought 80 feet of electrical wire and used 65 feet of it. What percent of the wire went unused? 4.33% 8.125% 15%

18.75%
Mathematics
1 answer:
loris [4]3 years ago
4 0
The Answer Is For That Is C 15%
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For a problem 1 the answer is 3×6+6×9.
for a problem 3 the answer is 9×10+8×7
for problem 4 the answer is 4×8+8×4+8×4.
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Which expression has a negative value?
7nadin3 [17]

Answer: The answer would be B

Step-by-step explanation:

I had a test like this so I kinda know wut the answer is a few weeks or so ago but u need to multiply -5 • 5 (which would be negative since it has one negative sign) then multiply -5 • -5 (since it has another negative it’s positive) then u just multiply the answers that u got from the times 5 u did -bonus if it’s 1 negatives it’s a negative but if it’s 2 negatives it’s a positive

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2 years ago
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Find the length of BC.<br><br><br><br>Explain how you got it, please!<br>Thanks!
Vinvika [58]

Answer:

BC = 30.73

Here,

\sf \frac{AB}{BQ}  = \frac{CD}{DQ}

so first solve for QD

\sf \hookrightarrow \frac{32}{15}  = \frac{19.2}{DQ}

\sf \hookrightarrow 32(DQ)}  =19.2(15)

\sf \hookrightarrow 32(DQ)}  =288

\sf \hookrightarrow DQ =9

  • Hence, QD = 9

Now! <u>using Pythagoras theorem,</u>

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4 0
2 years ago
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Spot eats of a can of dog food each day
Anit [1.1K]

Answer:

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Step-by-step explanation:

First we would need to find out how many cans of dog food are required.

To find that you would divide 60 by 3.

60/3 = 20

You would then have to multiply that number by how much it costs for each pair of 3 cans, that being $5.50.

20 * 5.50 = $110

6 0
3 years ago
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