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miv72 [106K]
3 years ago
10

​Найдите высоту стола.

Mathematics
1 answer:
crimeas [40]3 years ago
4 0

I'm not sure but I'm gonna guess that the answer is 50?

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Pls help (50 points)
svetlana [45]

Answer:

4.5 inches

Step-by-step explanation:

We are given the formula:

V = \pi r^{2}h

Plug in the the radius (3) and volume (127.23):

127.23 = 3.14(3)^{2} h

Square the 3 :

127.23 = 3.14(9)h

Multiply the pi & volume:

127.23 = 28.26h

Divide both sides by 28.26:

127.23 ÷ 28.26 = 28.26h ÷ 28.26

h = 4.5021231...

I hope this helps!

6 0
3 years ago
Read 2 more answers
A local little league has a total of 65 players, of whom 20% are right-handed. How many
Semmy [17]

Answer:

13

Step-by-step explanation:

convert percent to decimal: .20

.20 x 65

13

7 0
3 years ago
Elena receives ​$131 per year in simple interest from three investments totaling ​$3000. Part is invested at​ 3%, part at​ 4% an
ioda

Answer:

Elena invested $ 1,700 at 5%, $ 700 at 4%, and $ 600 at 3%.

Step-by-step explanation:

Given that Elena receives $ 131 per year in simple interest from three investments totaling $ 3000, and part is invested at 3%, part at 4% and part at 5%, and there is $ 1000 more invested at 5% than at 4%, to find the amount invested at each rate, the following calculations must be performed:

1500 x 0.05 + 500 x 0.04 + 1000 x 0.03 = 75 + 20 + 30 = 125

1600 x 0.05 + 600 x 0.04 + 800 x 0.03 = 80 + 24 + 24 = 128

1700 x 0.05 + 700 x 0.04 + 600 x 0.03 = 85 + 28 + 18 = 131

Therefore, Elena invested $ 1,700 at 5%, $ 700 at 4%, and $ 600 at 3%

7 0
3 years ago
Will give Brainliest if you answer all
oee [108]
What grade are you in so I know what level you are on to help
7 0
3 years ago
Which fraction represents the shaded part of the grid?
Alexxandr [17]

Answer:

30%

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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