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Ronch [10]
3 years ago
15

Mr. Reciprocal started walking as his New Year's resolution. He calculated that he can walk 1/2 mile in 1/4 of an hour. What is

his walking rate in miles per hour
Mathematics
1 answer:
kondaur [170]3 years ago
4 0
2 hours per hour cause 1/4=15 min 1/2 times 4 equals 2 so  2 miles per hour
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MaRussiya [10]

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larry is incorrect because the number 2 is not a composite number, although numbers 12, 22, 32, 42, 52, 62, 72, 82, and 92 are composite, 2 isn't

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Mandy and karissa swam laps in the pool to train for the upcoming swim meet. The ratio to the number of laps Mandy swam to the n
Goryan [66]
Set up a proportion.
2/3 = 12/x. Cross multiply the proportion.
2x = 36. Solve for x.
x = 18.
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I am a product one of my factors is 9 the sum of my two factors is 13 what number am i
lesya692 [45]
If 1 of ur factors is 9...and the sum of ur factors is 13....then ur other factor is (13 - 9) = 4

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almond37 [142]

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Vesnalui [34]

Answer:

  1. c = -4.5
  2. z = 20
  3. x = -12
  4. a = -4/7

Step-by-step explanation:

A way to do this that will always work is ...

  • eliminate parenthses and collect terms
  • subtract any constants from the left side
  • subtract any variable terms from the right side
  • divide by the coefficient of the variable

1.

  • 8c -11 -6c = -2
  • 2c -11 = -2
  • 2c = 9
  • c = 4.5

2.

  • 3z +4 -2z -9 = 15
  • z -5 = 15
  • z = 20

3.

  • 12 -4x +18 = 36 +4x +18 -6x
  • 30 -4x = 54 -2x
  • -4x = 24 -2x
  • -2x = 24
  • x = -12

4.

  • 36a -9a -5 = 6a -17
  • 27a -5 = 6a -17
  • 27a = 6a -12
  • 21a = -12
  • a = -12/21 = -4/7
6 0
3 years ago
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