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Kisachek [45]
3 years ago
12

Mai's penny bank is 7/10 full. After she removes 200 pennies, it is 1/2 full. How many pennies can Mai's bank hold?

Mathematics
2 answers:
777dan777 [17]3 years ago
7 0
Mai's penny bank can hold 498 pennies without being full.
Darina [25.2K]3 years ago
5 0
1/2 is equal to 5/10.

When Mai removes 200 pennies from her penny bank, the container drops from 7/10 full to 5/10 full.

7/10-5/10=2/10=1/5

200 pennies is 1/5 the capacity of the penny bank.

1/5 of the bank is 200 pennies, so a full bank is 1000 pennies.
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The height of a cylinder is 10 and the area of a base is 36 pi square units. What
ollegr [7]

Answer:

1130.97336 units^3

Step-by-step explanation:

The volume of a cylinder can be found using:

v=\pi r^2h

We have the area of the base, but not the radius

a=\pi r^2

We know the area is 36\pi, so we can substitute that in for a

36\pi =\pi r^2

We want to find r, so we need to isolate it

Divide both sides by pi

36=r^2

Take the square root of both sides

6=r

Now we know the radius, and can substitute it into the volume formula, and we can substitute the height (10) in

v=\pi r^2h

v=\pi 6^210

Solve the exponent

v=\pi 36(10)

v=\pi 360

v=1130.97336

The volume is 1130.97336 units^3

6 0
3 years ago
Please help me out!!!
sesenic [268]

Answer:

6 to the second is 36 and 2 to the second is 4

Step-by-step explanation:

Both of those combined would equal 40. Are you looking for the algebraic expression, or is this good enough? Let me know! Bya!

5 0
2 years ago
calcular el tamaño de muestra para una poblacion de 543.098 consumidores de una marca de bebida gaseosa donde el investigador as
Vadim26 [7]

Answer:

m m m m m m

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7 0
3 years ago
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Rom4ik [11]

Answer:

49

Step-by-step explanation:

100- 51 = 49

7 0
3 years ago
3.366 rounded to the nearest tenth of a ounce
olga nikolaevna [1]

Answer:

The answer is 3.4

Step-by-step explanation:

5 or more, round up

4 or less, round down

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so...

3.4

(-2, -7) and (-4, -9)

6 0
2 years ago
Read 2 more answers
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