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Paraphin [41]
3 years ago
6

How to calculate a 15% tip?

Mathematics
2 answers:
MrRa [10]3 years ago
8 0
If you want to leave a 15% tip, use the fact that 15% = 10% + 5%. Calculate 10% of the bill by moving the decimal point one position to the left. Then, take that number, divide it in half, and add the new amount to the original 10%
Vikki [24]3 years ago
8 0
Hi I need help with my work can you help me please
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an astronaut drops a rock into a crater on the moon. the distance, d(t), in meters, the rock travels after t seconds can be mode
Elenna [48]
Given
d(t) = 0.8t ^2

t= 5 secs
d(5) = 0.8(5)^2 = 0.8 * 25 = 20
t= 10 secs
d(10) = 0.8(10)^2 = 0.8 * 100 = 80

20 m / 5 secs = 4 meters per sec
80 m / 10 sec = 8 meters per sec

4 mps + 8 mps = 12 mps
12 mps / 2 = 6 mps
6 mps is the average speed of the rock between 5 and 10 sec after being dropped
7 0
3 years ago
Please help .A spinner is divided into 6 equal sections. Each section is marked with one of the numbers 1 through 6. Miguel want
RUDIKE [14]

Answer:

The answer is C

Step-by-step explanation:

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3 years ago
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Inessa05 [86]
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8 0
3 years ago
Can someone help me ASAP???
antiseptic1488 [7]

Answer: The last member has to finish <u><em>11 more laps</em></u> to complete <u><em>50 total laps</em></u>

Step-by-step explanation:

\frac{4}{10} of 50 =         20

2nd swimmer    8

22% of 50 =<u>   + 11      </u>

                        39 laps

---------------------------------------------

50 - 39 =<em><u> 11 laps  </u></em><em> (4th and last swimmer)</em>

<em>---------------------------------------------</em>

<em>P.S. I think this answer is late now </em>

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3 years ago
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