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Lesechka [4]
2 years ago
14

Question 14

Mathematics
1 answer:
bekas [8.4K]2 years ago
5 0
The total will be $19.72 with 20% so she will get back $30.28
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2/5-1/4 simplified please help will make brainliest ​
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Answer:

8/20-5/20

Step-by-step explanation:

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Three hikers equally share 1/2 gallon of water. Explain how you would use an area model to find the amount of water each hiker d
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1/6

Step-by-step explanation:

1/2 ÷ 3                 equation

1/2 ÷3/1                  flip

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What is four fifths equivalent to
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8/10 or 16/20

Step-by-step explanation:

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3 years ago
EFV and EDW are straight lines.<br>Find the value of x and of y.​
Makovka662 [10]

Answers:

x = 72

y = 83

============================================================

Explanation:

Angle VFG is 50 degrees. The angle adjacent to this is angle EFG which is 180-50 = 130 degrees.

Angle HDW is 77 degrees. The supplementary angle adjacent to this is 180-77 = 103 degrees which is angle EDH.

Pentagon EFGHD has the following five interior angles

  • E = x
  • F = 130
  • G = 170
  • H = 65
  • D = 103

Note that angles F = 130 and D = 103 were angles EFG and EDH we calculated earlier.

For any pentagon, the interior angles always add to 180(n-2) = 180(5-2) = 180*3 = 540 degrees.

This means,

E+F+G+H+D = 540

x+130+170+65+103 = 540

x+468 = 540

x = 72

---------------------------------------

Now focus your attention on triangle THS

We see that the interior angles are

  • T = y
  • H = 65
  • S = 32

The angle H is 65 degrees because it's paired with the other 65 degree angle shown. They are vertical angles.

For any triangle, the angles always add to 180

T+H+S = 180

y+65+32 = 180

y+97 = 180

y = 180-97

y = 83

7 0
2 years ago
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