3 years ago

The reciprocal of 1 2/5

Mathematics

1 answer:

Mnenie [13.5K]3 years ago

7 0

5/7

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A rectangular athletic field is three times as long as it is wide. If the perimeter of the athletic field is 128 yards, what are

larisa [96]

Length=3x
Width=x
3x+x+3x+x=128
8x=128
Divide both sides by 8
x=16
3(x)
3(16)=58
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3 years ago

T takes 46 minutes for 10 people to paint 3 walls.

Tasya [4]

Answer:

69 mins

Step-by-step explanation:

46/10=4.6 mins per wall

46/4=11.5 mins per wall

11.5 x 6=69

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3 years ago

Write an expression for the quotient of a number and 5 decreased by 4

Oksi-84 [34.3K]

Q=x/5-4

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3 years ago

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Pachacha [2.7K]

Answer:

Step-by-step explanation:

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Which statement is true about the product square root of 2(3square root of 2 + square root of 14)?

sukhopar [10]

Answer:

$\sqrt{2} (3\sqrt{2} +\sqrt{14})=6+2\sqrt{7}$

Step-by-step explanation:

Given : $\sqrt{2} (3\sqrt{2} +\sqrt{14})$

Solution:

$\sqrt{2} (3\sqrt{2} +\sqrt{14})$

$3*2+\sqrt{28})$

$6+2\sqrt{7}$

Thus , $\sqrt{2} (3\sqrt{2} +\sqrt{14})=6+2\sqrt{7}$

Thus the solution is irrational since square root 7 does not have a perfect square and equal to 6+2square root of 14

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3 years ago

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