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ivolga24 [154]
3 years ago
9

PLEASE ANSWER

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
3 0
I believe it is $7.25.
This being because if you start with $21.75 you have to divide that by 3, because you have 3 people splitting the bill.
Another way to do this is by dividing .75 by three (which we know 75 divided by 3 equals 25 so the .75 divided by 3 equals .25. Then we know 21 divided by 3 is 7. So then you would just add 7 + .25 together and get $7.25!
I hope this helped!
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Answer:

80 students

Step-by-step explanation:

10 to 1 figure

8 x 10 = 80

3 0
3 years ago
The life of light bulbs is distributed normally. The variance of the lifetime is 900 and the mean lifetime of a bulb is 520 hour
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Answer:

0.969

Step-by-step explanation:

Given that:

Mean lifetime (m) = 520 hours

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Obtain the standardized score :

Using the relation :

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P(Z ≤ 1.867) = 0.96905

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8 0
3 years ago
A string of length 160cm is cut in to 2 pieces, in the ratio 3:5<br> find the length of each piece​
Sindrei [870]

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6 0
4 years ago
A certain highway has a 7% grade. how many feet does it rise in a horizontal distance of 1 mile? (1 mile = 5280 feet. round your
pentagon [3]
For this case we have the following relationship:
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 Calculating we have:
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it does rise in a horizontal distance of 1 mile about:
 
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Read 2 more answers
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