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yarga [219]
2 years ago
12

Do someone know how to do #9 & 10, help me please thank you!

Mathematics
1 answer:
GalinKa [24]2 years ago
4 0
Multiply first formula by 2, then do formula 1-formula 2
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If 31,000 citizens died in an automobile accidents in 2015. how many died each hour
stira [4]
Work out the number of hours in  1 year:-

1 year = 365*24 = 8760

So the number dying each hour = 31,000 / 8760 = 3.54 
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3 years ago
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3/4 of Ana's books are equal to two-thirds of Jake's books find the ratio of the number of Ana's books it to the number of Jake'
dimaraw [331]
First you want to change the fractions to the same denominator 
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2 years ago
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Place the integers in order from greatest to least ? What the order? I need help
MakcuM [25]

Answer:

9,8,1,0,-10,-15

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2 years ago
Gretchen earns extra money mowing lawns on the weekend. She mows 3 lawns per hour and earns $12.00 per lawn. How much does Gretc
stepladder [879]

Gretchen will earn $48 from mowing in 4 hours

Data

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  • Number of hours mowing = 4 hours

<h3>What is Rate</h3>

This is the measure of one unit against another unit. An example of this is speed which is the rate of distance covered to time.

In this case, she mows 1 lawn in each hour and earns $12 on each.

To calculate for 4 hours

4*12=$48

She earns $48 from mowing 4 lawns

learn more on rates here;

brainly.com/question/8728504

4 0
2 years ago
Karen works 42 hours in a week and earns 6.85 per hour. Estimate the amount of money she earns in a week.
katen-ka-za [31]

Answer:

287.7 u gotta be kidding,

Step-by-step explanation:

42×6.85=287.7

7 0
3 years ago
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