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prisoha [69]
3 years ago
9

While riding her bike, Susan burns 450 calories every ½ hour. Based on this

Mathematics
1 answer:
LekaFEV [45]3 years ago
4 0

Answer:

1575 calories

Step-by-step explanation:

Every \frac{1}{2} an hour while riding her bike, Susan burns 450 calories.  

If the rate remains constant then within one hour riding her bike Susan will burn ( 450 × 2 ) = 900 calories.  

Now, it is asked to calculate the number of calories that Susan burns in 1\dfrac{3}{4} hours bike riding.

Here, 1\dfrac{3}{4} = \dfrac{7}{4} hours

Therefore, in \dfrac{7}{4} hours she will burn \dfrac{900\times 7}{4} = 1575 calories. (Answer)

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Answer: 24

Step-by-step explanation:

Lowest common multiple means the lowest number that can be divisible by 8,12,3

Looking at this, let's pick 8&3 first

8×3=24

12×3=36

12×8=96

Looking at this value,24 seems to be the lowest,

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5 0
3 years ago
Simone wrote that 2+5.8=6.
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Please help me :((!!!!
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This seems like a concept you’re going to learn and use so I’ll do a problem per section and explain.

Well basically this is a concept: if it’s a negative exponent it’s just 1/number^exponent.

So for example:
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The standard notation:
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For all of these, use your knowledge of the power of tens and dividing by tens! ^^ you got this. Let me know if you need help after this explanation.
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3 years ago
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