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weqwewe [10]
3 years ago
12

I need help? On this problem

Mathematics
2 answers:
Kamila [148]3 years ago
7 0

Answer:

8 ft

Step-by-step explanation:

Brilliant_brown [7]3 years ago
3 0

Answer:

It is 8ft.

Step-by-step explanation:

To solve this, you just need to set up a ratio.

\frac{3in}{4ft} = \frac{6in}{x}

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

You can now cross multiply.

6 * 4 =24

24/3 = 8

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

That concludes that the actual ping pong table is 8ft!

Good Luck!!

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Dina and Masha start cycling on a 20 km bike path at the same time. When Dina reaches the end of the path, Masha still has 4 km
sammy [17]

Answer:

0.5 hour

Step-by-step explanation:

Given

Speed of Dina = 10 km/h

Distance = 20 km

So the time Dina taken to complete the track is:

Speed=\frac{distance}{time}\\10=\frac{20}{time}\\time=\frac{20}{10}\\ time=2\ hours

The time taken by Dina is 2 hours. As masha started with dina but she was 4 km of the path left to cycle,

her distance covered in 2 hours was:

Distance\ covered\ by\ Masha\ in\ 2\ hours=20-4\\=16 km

So we know the time and distance:

Now,

Speed\ of\ Masha=\frac{distance}{time}\\ =\frac{16}{2}\\ =8\ kilometer\ per\ hour

We have to calculate the time that will be needed by MAsha to complete the track:

As we know the speed and remaining distance

Speed=\frac{distance}{time}\\8=\frac{4}{time}\\ time=\frac{4}{8}\\time=0.5\ hours

Masha needs 0.5 hour to complete the track ..

7 0
3 years ago
Read 2 more answers
If $1,100 is deposited into a savings account offering 11% interest paid annually, approximately how much money will be in the a
Leona [35]
A=1,100×(1+0.11)^(10)
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5 0
3 years ago
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How many solutions does the system have​
Delicious77 [7]

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There are infinate solutions.

Step-by-step explanation:

Plug (3x-8) in for y

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Simplify

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4 0
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explain the two different answers you can get when solving an equation and the variable is dropped out.
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To give a simple answer

if you consider the equation to be that of a line.
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