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notka56 [123]
2 years ago
12

Martina and Ashanti worked together on an art project. They began working at 3:25 p.M. And finished working at 5:15 p.M. How lon

g did the girls work together on their art project?
Mathematics
1 answer:
nikdorinn [45]2 years ago
4 0

Answer:

The girls worked together on their art project for 1 hour and 50 minutes.

Step-by-step explanation:

In order to find the answer you have to find the difference between the time they began working and the tine they finished working. You have to subtract 3:25 from 5:15.

Since 25 minutes on the time they began working is higher than 15 minutes, you have to subtract 1 from the time they finished working that is 5 hours:

5-1=4

Then, you have to increase the minutes on the time they finished working by 60:

15+60=75

Now, you have to subtract the minutes which would be 25 from 75:

75-25=50

Finally, you have to subtract the hours which would be 4 minus 3:

4-3=1

The result would be 1 hour and 50 minutes.

According to this, the answer is that the girls worked together on their art project for 1 hour and 50 minutes.

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3 years ago
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Show problem set up for full credit.
ICE Princess25 [194]

Answer:

∠ QPR = 125°

Step-by-step explanation:

the angles subtended by 2 congruent arcs are congruent , that is

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Then

∠ QPR = 4x + 25 = 4(25) + 25 = 100 + 25 = 125°

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2 years ago
Wasted Water A faucet leaks 1 oz of water per minute. a) How many gallons of water are wasted in a year? (A gallon contains 128
dimaraw [331]

Answer:

a) 4106.25 gallons

b) $46          

Step-by-step explanation:

We are given the following in the question:

Leakage rate of faucet = 1 oz per minute

Cost of water = $11.20 per 1000 gallons

1 gallon = 128 oz

a) water are wasted in a year

1 hour = 60 minutes

1 day = 24 hours

1 year = 365 days

1\text{ year} = 365\times 24\times 60\text{ minutes}\\1\text{ year} = 525600\text{ minutes}

Amount of water wasted =

\text{Leakage rate}\times \text{Time}\\=1 \times 525600\\=525600\text{ oz}\\\\=\dfrac{525600}{128}\\\\=4106.25\text{ gallons}

Thus, 4106.25 gallons of water is wasted every year.

b) additional money spent

=\time{Cost}\times \text{Amount of water wasted}\\\\= \dfrac{11.20}{1000}\times 4106.25\\\\=45.99\$ \approx 46\$

Thus, approximately $46 is the additional money spent on water bill.

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3 years ago
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Step-by-step explanation:

this creates 2 similar triangles.

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the factor between the shadow lengths is then

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