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Alchen [17]
3 years ago
15

Question :

Mathematics
1 answer:
Aleks [24]3 years ago
7 0

Answer:

9+r

Step-by-step explanation:

jessica rode 9 more miles so u would add it to the number of miles roger rode

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7 pipes fill a tank in 50 minutes. How many minutes does it take if there are 11 pipes?
Alekssandra [29.7K]

Answer: With 11 pipes, you need 31.82 minutes to fill the tank.

Step-by-step explanation:

Let's define R as the rate at which one single pipe can fill a tank.

We know that 7 of them can fill a tank in 50 minutes, then we have the equation:

7*R*50min = 1 tank

Whit this equation, we can find the value of R:

R = 1 tank/(7*50min) = (1/350) tank/min.

Now that we know the value of R, we can do the same calculation but now with 11 pipes.

Then the time needed to fill the tank, T, is such that:

11*(1/350 tank/min)*T = 1 tank

We need to isolate T.

T = 1 tank/(11*(1/350 tank/min)) = 31.82 min

With 11 pipes, you need 31.82 minutes to fill the tank.

5 0
3 years ago
What are 3 measurements with different units equal 5 m
antoniya [11.8K]
5000 millimeters, 500 centimeters, and .005 kilometers.
4 0
3 years ago
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Ms. Reynold's sprinkler system has 4 stations that water all parts of her front and back lawn. Each station
dsp73

Answer:

It will take 48 minutes to water all parts of her lawn.

Step-by-step explanation:

Each section runs for an equal amount of time

3 sections have run for 36 minutes

36 divided by 3 is 12, meaning each section runs for 12 minutes

12 times 4 is 48

7 0
2 years ago
Determine whether a tangent line is shown in this figure?<br> a. no<br> b. yes
faust18 [17]
No, the tangent line needs to be against the circle from where it leaves. This is just a straight up right angle.
7 0
3 years ago
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_____ scientists study the planets. ( science )
allsm [11]

Answer:

A.

Step-by-step explanation:

Physical scientists are often known as astronomers. Which is the study of space including planets, moons, comets etc.

5 0
3 years ago
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