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2 years ago

A sports ball has a diameter of 18 cm find the volume of the ball

Mathematics

1 answer:

dezoksy [38]2 years ago

5 0

Answer:

volume= 3054.86cm^3

Step-by-step explanation:

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Half of a number is three times the sum of a number ad five.

krek1111 [17]

If you treat the number as x, then $\frac{1}{2}x=x+5\to-5=\frac{1}{2}x\to-10=x$ .

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2 years ago

The graph shows the number of hours driven and the number of miles traveled.

Assoli18 [71]

Answer:

x is 4 when y is 180

y is 540 when x is 12

Step-by-step explanation:

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2 years ago

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You have quarters and dimes that total $2.80. your friends says its possible that the number of quarters is 8 more than the numb

Sidana [21]

$\text{Let the number of dimes be x, then as per the friend the number of }\\
\text{quarters should be 8 more than dimes, so number of quarters}=x+8\\
\\
\text{we know that the value of 1 dime is }\$ 0.10 \text{ value of one quarter is }\$0.25\\
\\
\text{And since the total value of quarters and dimes is }\$2.80, \text{ so we have}\\
\\
0.10(x)+0.25(x+8)=2.80\\
\\
\Rightarrow 0.10x+0.25x+2=2.80\\
\\
\Rightarrow 0.35x=2.80-2\\
\\
\Rightarrow 0.35x=0.80$

$\Rightarrow x=\frac{0.80}{0.35}=2.29\\
\\
\text{so if we take 2 dimes then we'll have to take 10 quarters according to friend.}\\
\\
\text{So the statement of friend is }$ WRONG

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2 years ago

Of the 180 students in Mrs. Stanfield's class,

Nesterboy [21]

Answer:

should be 27

Step-by-step explanation:

60% of 180 is 108

25% of 108 is 27

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2 years ago

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HELPPPP NOWW

Effectus [21]

Answer:

Volume of a parallelogram is v=whl

Area of s parallelogram is A= bh

Circumference of a circle= rd

Area of a circle= rd^2

Area of a triangle is 1/a <em>bh</em>

Area of a trapezoid is 1/2(b1 + b2)h

Perimeter of a quadrilateral is 2L + 2W

I couldn't drag the image but I knew what I was doing!

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3 years ago