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velikii [3]
3 years ago
12

Cylinder A has a radius of 6 centimeters. Cylinder B has the same height and a radius half as long as cylinder A. What fraction

of the volume of cylinder A is the volume of cylinder B? Explain.
Mathematics
1 answer:
AlekseyPX3 years ago
4 0
Vcylinder=hpir^2
VA=hpi6^2
VB=hpi(6/2)^2=hpi3^2


A times ?=B
?= a fraction

hpi6^2 times ?=hpi3^2
divide both sides by hpi
6^2 times ?=3^2
36 times ?=9
divide both sides by 36
?=9/36
?=1/4

1/4 of A is B
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2y-3[3-4(y-5)+2(1-3y)]
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Answer:

- 75 - 32y

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2y-3[3-4(y-5)+2(1-3y)]

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= - 75 - 32y

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Fire Fighters are attempting to rescue people from the 3rd floor of a building. The
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If it's where they can get to the building I think it's 15

Step-by-step explanation:

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7 0
2 years ago
Alex wrote 103.903 in expanded form as 100+3 x 1+9 x 1/100 +3 x 1/1000. Explain his mistake then tell how to correct it.
Damm [24]
Your mistake was in this part  9 x 1/100 . After the decimal point the place value starts with tenths so you should write 9 x 1/10 .

Place values

Before the decimal point

3 ones = 3 x 1

0 tens = 0 x 10

1 hundreds = 1 x 100

After the decimal point

9 tenths = 9 x 1/10

0 hundredths = 0 x 1/100

3 thousandths= 3 x 1/1000

1 x 100 + 0 x 10 + 3 x 1 + 9 x 1/10 + 0 x 1/100 + 3 x 1/1000

  100     +    0     +   3    +    0.9      +     0        +    0.003

           100         + 3      +          0.9                +     0.003 =  103.903

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8 0
3 years ago
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josie cast a shadow of 6ft and she is 5 ft 6 in tall. A building cast a shadow of 18 ft at the same time that josie measured her
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Josie's height = 5 ft 6 in. = 5 1/2 ft = 11/2 ft.
Josie's shadow = 6 ft.

Ratio of shadow to height = 6 / 11/2 = 12/11
So, It would be equal to ratio of building's shadow to building's height.

18/x = 12/11
x = 18*11 /12
x = 3*11 / 2
x = 16.5

In short, Your Answer would be 16.5 Feet

Hope this helps!

6 0
3 years ago
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