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Schach [20]
3 years ago
8

During strenuous exercise, an athlete can burn 12 calories per minute on a treadmill and 8.5 calories per minute on an elliptica

l machine. If an athlete uses both machines and burns 325 calories In a 30- minute workout, how many minutes does the athlete spend on each machine?

Mathematics
1 answer:
Irina18 [472]3 years ago
3 0
Hope it helps 10 mins on the elliptical and 12 on the treadmil

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Jenna manipulated the equation 4x + 7=10 by adding -7 to both sides.Which of the follolwing properties justifies this manipulati
elena-14-01-66 [18.8K]
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5 0
3 years ago
What is the length of side a?
Bad White [126]

\huge \bf༆ Answer ༄

According to given figure, The Triangle BDC is a right angled Triangle (Angle D = 90°)

So, we can apply Pythagoras theorem to find the Side a (Hypotenuse)

Now, let's solve ~

  • \sf \: BD {}^{2}   + CD {}^{2} =   BC {}^{2}

  • \sf4 {}^{2}  +  {3}^{2}  =  {a}^{2}

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  • \sf \: a {}^{2}  = 25

  • \sf \: a =  \sqrt{25}

  • \sf \: a  = 5 \: units

Therefore, Length of side a is 5 units ~

6 0
3 years ago
luis is making two batches of muffins for a school picnic. one batch of muffins uses 1/3 cup of oats and 1/2 cup of flour. how m
Llana [10]
1 2/12 is the answer because you multiply the fraction by the other detonator
5 0
3 years ago
Read 2 more answers
Pls answer if you only know the correct answer! Thanks! :)
dimaraw [331]

Answer:

-6.8

Step-by-step explanation:

its kinda hard to explain this problem

3 0
3 years ago
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