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Cerrena [4.2K]
3 years ago
6

What is the answer to this I don’t because I can’t do fractions

Mathematics
2 answers:
Artist 52 [7]3 years ago
7 0

So basically this is adding fractions with uncommon denominators.

2/5 + 1/4=

(2 x 4) + (1 x 5)

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

      5 x 4

So, your answer should be 13/20.

If you'd like me to elaborate more I will be happy to help.

dimulka [17.4K]3 years ago
5 0

Answer:

13/20 of a mile

Step-by-step explanation:

2/5 = 8/20

1/4 = 5/20

8/20 + 5/20 = 13/20

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If the coefficient of determination for a data set containing 24 points is 0.5,
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Step-by-step explanation:

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Find two numbers whose sum is 44 and whose difference is 6.<br> smaller number<br> larger number
Anna [14]
X+ y = 44
x - y = 6
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3 0
3 years ago
Rory's battery was full at 6:00 a.M, or t = 0. Which times could Rory's phone have been plugged into the charger? Select three o
Taya2010 [7]

Complete question:

Rory records the percentage of battery life remaining on his phone throughout a day. The graph represents the percentage of battery life remaining after a certain number of hours.

Rory’s battery was full at 6:00 a.m, or t = 0. Which times could Rory's phone have been plugged into the charger? Select three options.

12:00 p.m.

3:00 p.m.

5:00 p.m.

8:00 p.m.

11:00 p.m.

The graph is attached

Answer:

3:00 p.m

5:00 p.m

11:00 p.m

Step-by-step explanation:

From the graph, there are rise times, fall times and there are times the movement is steady (no rise or fall).

The rise time represents the time the phone was plugged. The fall time represents when the charger has been unplugged so the battery level starts depreciating. When it is constant, it means the battery level is at 100 but the charger is still connected to the phone.

We are told at initial condition, time was 6 a.m (t = 0). To get the exact time, we are to add the initial condition, i.e 6

From the graph, the times the phone could have been plugged are 8:00 to 12:00 hrs and 16:00 to 20:00 hrs.

Converting from 24 hr to 12 hr time, we have:

6 + 8hrs = 14:00 = 2:00 p.m

6 + 9hrs = 15:00 = 3:00 p.m

6 + 10 hrs = 16:00 = 4:00 p.m

6 + 11 hrs = 17:00 = 5:00 p.m

6 + 12 hrs = 18:00 = 6:00 p.m

6 + 16 hrs = 22:00 = 10:00 p.m

6 + 17 hrs = 23:00 = 11:00 p.m

6 + 18 hrs = 00:00 = 12:00 am

6 + 19 = 1 : 00 = 1:00 a.m

6 + 20 = 2:00 = 2:00 a.m

From the options given in the question, we have:

3:00 p.m; 5:00 p.m; 11:00 p.m

Therefore, times could Rory's phone have been plugged into the charger are:

3:00 p.m

5:00 p.m

11:00 p.m

5 0
3 years ago
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