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Savatey [412]
2 years ago
5

Jogging burns 375 calories in 45 minutes. Determine how many calories burned per hour?

Mathematics
1 answer:
Sveta_85 [38]2 years ago
3 0
Answer: 500 calories

Set them as proportions
375/46=x/60
Multiply 60 to each side to eliminate fraction
Then you’ll get x=500
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Please help me!! thank you
Mama L [17]

9514 1404 393

Answer:

  x = 1/6

Step-by-step explanation:

The relevant rules of exponents are ...

  (a^b)/(a^c) = a^(b-c)

  (a^b)^c = a^(bc)

__

The fraction inside parentheses evaluates to ...

  3^(3/4 -3/8) = 3^(3/8)

Then the whole expression evaluates to ...

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6 0
3 years ago
Talia uses 10 strawberries and 4 oranges to make 8 servings of fruit salad. How many oranges and strawberries does Taila needs t
yarga [219]
Since 12 is 8 x 1 1/2 she needs 1 1/2 time as much fruit.


1 1/2 x 10 = 15 strawberries  and 1 1/2 x 4 = 6 oranges.

You could also solve this using proportions:

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Cross multiply and get 8n= 120  divide by 8 and get 15 strawberries

Do the same for the oranges:

\frac{4}{8} =  \frac{n}{12}

You can see that 4/8 = 1/2 so n/12 has to be 6 to be 1/2 (or solve it using cross products like I did above).
4 0
3 years ago
Rewrite this formula to convert Fahrenheit to Celsius. F= 9/5C + 35
iVinArrow [24]

Answer:

\huge \purple { \boxed{ C = \frac{5}{9} ( F  - 32)}}

Step-by-step explanation:

I the given problem, there should be 32 in place of 35.

F =  \frac{9}{5}  C + 32 \\ F  - 32=  \frac{9}{5}  C \\ 5( F  - 32)=  9  C \\  \frac{5}{9} ( F  - 32)=C \\  \\ \huge \red{ \boxed{ C = \frac{5}{9} ( F  - 32)}}

7 0
3 years ago
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