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lapo4ka [179]
3 years ago
6

A beaker of boiling water stops boiling and eventually reaches room temperature. There’s no lid on the beaker. The beaker and it

s contents must have:
Mathematics
2 answers:
ioda3 years ago
8 0

Answer:

i don't know

Step-by-step explanation:

vesna_86 [32]3 years ago
4 0

Answer:

lost thermal energy and mass to the surroundings

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Step-by-step explanation:

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Joe practiced his trumpet 3/4 hour on Monday and 7/12 hour on Tuesday. How long did he practice altogether
Allisa [31]
1 1/3 hours. 3/4 plus 7/12 equals 1 1/3. Hope this helps
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4 years ago
Amanda increased the amount of protein she eats every day from 48g to 54g. By what percentage did Amanda increase the amount of
WINSTONCH [101]

Answer:

Explanation:

The formula for calculating the percent change is:

p=N−OO⋅100

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p is the percent change - what we are looking for

N is the New Value - 54g for this problem

O is the Old Value - 48g for this problem

Substituting and calculating p gives:

p=54−4848⋅100

p=648⋅100

p=60048

p=12.5

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3 years ago
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Ashley used 14 centimeters of tape to wrap 7 presents. How much tape will Ashley need in all if she has to wrap 9 presents?
IgorC [24]

Answer:

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presents=x

14cm=7x

divide by 7

2=x

find 9x

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