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iren [92.7K]
3 years ago
9

Lena took a nap . she fell asleep at 11:37a.m and she woke up at 1:24p.m. how long did she sleep?

Mathematics
1 answer:
zalisa [80]3 years ago
6 0
1 hour and 57 minutes
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Please help it’s due today. Stay safe! :) (:
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Answer:

Imani

Step-by-step explanation:

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3 years ago
Frank has devised a formula for his catering business that calculates the number of meatballs he needs to prepare. The formula i
Aleonysh [2.5K]
<span>m = 4a + 2c

a = 25; c = 5

Replace a with 25. Replace c with 5.
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m = 4 * 25 + 2 * 5

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Answer: 110 meatballs are needed.</span>
4 0
3 years ago
Suppose that there are two types of tickets to a show: advance and same-day. The combined cost of one advance ticket and one sam
avanturin [10]
Let "a" and "s" represent the costs of advance and same-day tickets, respectively. Your problem statement gives you two relations.
.. a + s = 35 . . . . . the combined cost of one of each is 35
.. 15a +40s = 900 . . total paid for this combination of tickets was 900

There are many ways to solve these equations. You've probably been introduced to "substitution" and "elimination" (or "addition"). Using substitution for "a", we have
.. a = 35 -s
.. 15(35 -s) +40s = 900 . . substitute for "a"
.. 25s +525 = 900 . . . . . . . simplify
.. 25s = 375 . . . . . . . . . . . .subtract 525
.. s = 15 . . . . . . . . . . . . . . .divide by 25
Then
.. a = 35 -15 = 20

The price of an advance ticket was 20.
The price of a same-day ticket was 15.
6 0
3 years ago
Solve the equation. −13m − 7 = 5
andrew-mc [135]
-13m = 5+7
m = 12/-13
3 0
3 years ago
Twenty more than the number n is 125. What is the value of n?<br> 145<br> 125<br> 105<br> 20
sweet-ann [11.9K]

Answer:

105

Step-by-step explanation:

n=105 as 20 more than 105 is 125. Hope it helps!

6 0
3 years ago
Read 2 more answers
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