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zhuklara [117]
3 years ago
6

Mateo ran 8 miles on his first day training. The next day, he ran 2/5 of that distance. How far did he run on the second day?

Mathematics
1 answer:
Oksanka [162]3 years ago
8 0
3.2 because 8 of ( multiplied by) 0.4 (2/5)
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The temperature falls from 0 degrees to Negative 12 and one-fourth degrees in 3 and one-half hours. Which expression finds the c
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Answer:

The expression used to find the change in temperature per hour is Algebraic expression

Thus per hour; the temperature falls at the rate of - 3\dfrac{1}{2}^0

Step-by-step explanation:

A temperature falls from 0 to  - 12\dfrac{1}{4}     in     3\dfrac{1}{2} \ hours

Which expression finds the change in temperature per hour.

From the above given information;

The initial temperature is 0

The final temperature is  - 12\dfrac{1}{4}  

The change in temperature is \Delta T = T_2  -  T_1

\Delta  T = -12\dfrac{1}{4} -0

\Delta T = -12.25

Thus;

-12.25 ° = 3.5 hours

To find the change in x°   per hour; we have;

x°            = 1 hour

The expression used to find the change in temperature per hour is Algebraic expression

From above if we cross multiply ; we have;

(- 12.25° × 1 hour) = (x° × 3.5 hour)

Divide both sides by 3.5 hours; we have:

\dfrac{-12.25^0*1 }{3.5}=\dfrac{ x^0 *3.5}{3.5}

x° =  - 3.5

x° = - 3\dfrac{1}{2}

Thus per hour; the temperature falls at the rate of - 3\dfrac{1}{2}^0

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3 years ago
What two properties of a Cepheid variable star do we need to know in order to calculate the approximate distance from Earth?
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Step-by-step explanation:

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your shadow is 8 feet and your father's shadow is 9 feet. If you are 5.5 feet, how tall is your father in inches
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Set up a proportion:

kid/dad = kid/dad

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Cross multiply to solve proportions:

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They want inches so multiply by 12:

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They want "nearest inch" so:

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Let Q1 and Q2 be the quotients from dividing 32 and 58 respectively.Then 32 Q1 + 30 = 58 Q2 + 4432 Q1 = 58 Q2 + 1416 Q1 = 29 Q2 + 716 Q1 = (16 + 13)Q2 + 716 Q1 = 16 Q2 + 13 Q2 + 716(Q1 - Q2) = 13 Q2 + 7Because Q1 and Q2 are integers, we have to find Q2 whereby 13Q2 + 7 is divisible by 16.After some try-and-error, we get Q2 = 13.  That is 13*13 + 7 = 176Therefore, Q1 - Q2 = 11  -->  Q1 - 13 = 11  -->  Q1 = 2432*24 + 30 = 58*13 + 44 = 798.I am 798
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Use an equivalent rate to convert 3 quarts to pints.​
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Answer:

6

Step-by-step explanation:

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