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Snezhnost [94]
2 years ago
13

Isabelle ran a distance of about 26 miles during a marathon. In other countries, kilometers is used to measure length. There are

approximately 8 kilometers in 5 miles.
Which measurement is closest to the number of kilometers Isabell ran?

Answer
A
16.3 kilometers.


B
41.6 kilometers.


C
7.2 kilometers.


D
53.5 kilometers.
Mathematics
1 answer:
Luba_88 [7]2 years ago
5 0

Answer:

Step-by-step explanation:

b

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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

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Step-by-step explanation:

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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

8 0
3 years ago
What is (-1, 4) (1,-4) in y=mx form?
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Y=-4x+0 or just Y=-4x
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Answer:  x=3.537715

Step-by-step explanation:

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Step 2: Solve Exponent.

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Hope this helps :)

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Divide numerator
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Divide numerator
and denominator by  y² :           6 / 24x

Divide numerator
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