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3 years ago

A circle has a diameter of 6 meters. Which statement about the circumference and area is true?

Mathematics

1 answer:

My name is Ann [436]3 years ago

6 0

Answer:

The numerical value of the circumference is greater than the numerical value of the area.

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An inlet pipe on a swimming pool can be used to fill the pool in 33 hours. The drain pipe can be used to empty the pool in 34 ho

Talja [164]

<u>Answer: </u>

An inlet pipe on a swimming pool can be used to fill the pool in 33 hours. Time it will take to fill the pool = 748 hrs

<u>Solution: </u>

Let x = time it will take to fill the pool

$\frac{1}{33}$ = work rate of inlet pipe

$\frac{1}{34}$ = work rate of drain pipe

Using the formulae

Volume of flow=work rate $\times$ time

Let us assume complete time of pool to fill = 1

Remaining fraction of pool to be filled = $1-\frac{1}{3}=\frac{2}{3}$

$\begin{array}{l}{\frac{1}{33} x-\frac{1}{34} x=\frac{2}{3}} \\\\ {\frac{x}{33}-\frac{x}{34}=\frac{2}{3}}\end{array}$

$\frac{34 x-33 x}{33 \times 34}=\frac{2}{3}$

$34 x-33 x=\frac{2 \times 34 \times 33}{3}$

$\begin{array}{l}{x=\frac{2244}{3}} \\\\ {x=\frac{3168}{3}} \\\\ {x=748}\end{array}$

Time it will take to fill the pool = 748 hrs

5 0

3 years ago

How many quarts are equivalent to 5 gallons

Sever21 [200]

There are 20 Quarts.

4 0

4 years ago

The kindergarten class has 10 girls and 10 boys. If two students are chosen at random to be in the school play, what is the prob

Akimi4 [234]

50% because there's equal value of both variables

6 0

4 years ago

Read 2 more answers

HURRYYYWhich statements apply to the expression gº? Check all that apply.

Leokris [45]

A
C
D
F
G

Pretty sure those are all the answers, lmk:)

3 0

3 years ago

when carbon dioxide is frozen it is called dry ice in order to keep it frozen the tempter has to be -109.3 fahrenheit or lower f

elixir [45]

Degrees Celsius = (Fahrenheit -32) * 5/9
Degrees Celsius = (-109.3 -32) * 5/9
Degrees Celsius = -141.3 * 5/9
Degrees Celsius = -78.5

Therefore dry ice must be kept at a temperature of < = -78.5 Celsius

8 0

3 years ago