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galina1969 [7]
3 years ago
5

Erica spent $115 on school she actually spent $82.50 what is Erica's percent of error

Mathematics
2 answers:
MaRussiya [10]3 years ago
7 0
I think it is 32.5% but I could be wrong
9966 [12]3 years ago
7 0
About thirty-nine percent
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LuckyWell [14K]

Answer:

8

Step-by-step explanation:

we can say that AD is congruent to DC

so your equation for x is: 4x - 1 = 2x

solve this to get x = 0.5

plug x into and equation and multiply you answer by 2 to find the hypotenuse of triangle ABC and DEF

4(0.5) - 1 = 1

hypotenuse: 1 x 2 = 2

since we know x is 0.5, plug this into 4x + 1 to find the length of the leg FE,

4(0.5) + 1 = 3

In the diagram, it shows that the legs of triangle are congruent

this means that FE, ED, BA, and BC are all congruent

since we know FE is 3, we know that all the other sides are 3 as well

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vivado [14]
The correct answer is The letter b
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3 years ago
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Tpy6a [65]

Answer:

13 hours

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3 years ago
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anyanavicka [17]

Answer:

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Step-by-step explanation:

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you plug in all the numbers to get

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and simplified that would be

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2 years ago
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