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Sedaia [141]
2 years ago
10

Erika calculated that she would spend $115 on school supplies this year. She actually spent $82.50 on school supplies. What is E

rika’s percent of error?
a.28.3%
b. 2.8%
c. 39.4%
d. 32.5%
Mathematics
2 answers:
Anna71 [15]2 years ago
6 0

Answer:

2.8%

Step-by-step explanation:

1.4x2=2.8

Elza [17]2 years ago
3 0

Answer:

39.4%

Step-by-step explanation:

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Please help. Solve the triangle. Round ans to the nearest tenth.
White raven [17]

9514 1404 393

Answer:

  • C = 21°
  • a = 13.3
  • c = 5.4

Step-by-step explanation:

The third angle can be found from the sum of angles in a triangle.

  A + B + C = 180°

  C = 180° -62° -97°

  C = 21°

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The remaining side lengths can be found using the Law of Sines.

  a/sin(A) = b/sin(B)

  a = sin(62°)(15/sin(97°)) ≈ 13.34

Similarly, ...

  c/sin(C) = b/sin(B)

  c = sin(21°)(15/sin(97°)) ≈ 5.42

The remaining side lengths are approximately ...

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4 0
3 years ago
Rewrite in simplest terms: 4 x − 5 ( x + 3 )
rusak2 [61]

Answer:

Step-by-step explanation:

4x - 5(x + 3)         Remove the brackets. Watch the - sign and -5*3

4x - 5x - 15          Combine the xs

-x - 15

4 0
2 years ago
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ivann1987 [24]

Answer:

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Step-by-step explanation:

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2 years ago
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Anon25 [30]
Hello!

First you have to find the total of the items he bought

382 + 12 + 6.14 = 400.14

Then you apply the tax rate

400.14 * 1.0825 = 433.15155

We round this to 433.15

The answer is $433.15

Hope this helps!
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3 years ago
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Answer:

Step-by-step explanation:

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