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3 years ago

14

Arabellah earned $20 for babysitting her younger sibling, spent $4 on ice cream, and received a $5 allowance. Which expression r

epresents the anvount of money Arabellah has now?

1 answer:

bearhunter [10]3 years ago

6 0

Answer:

The correct answer is "E"

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B. 2+5i dis the answer

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Cone A has a radius of 2 inches and a height of 3 inches. In cone B, the height is the same, but the radius is doubled. Calculat

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Answer: Option C.

Step-by-step explanation:

Use the formula for calculate the volume of a cone:

$V=\frac{1}{3}\pi r^2h$

Where r is the radius and h is the height.

Volume of the cone A:

$V_A=\frac{1}{3}\pi (2in)^2(3in)=12.56in^3$

Volume of the cone B:

If the height of the cone B and the height of the cone A are the same , but the radius of the cone B is doubled, then its radius is:

$r_B=2r_A\\r_B=2*2in\\r_B=4in$

Then:

$V_B=\frac{1}{3}\pi (4in)^2(3in)=50.26in^3$

Divide $V_B$ by $V_A$ :

$\frac{V_B}{V_A}=\frac{50.26in^3}{12.56in^3}=4$

Therefore: When the radius is doubled, the resulting volume is 4 times that of the original cone.

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Please this is a test

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you use the formula a^2+b^2=c^2

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28/29 and 30 please short explanation thanks

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Answer 28.

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Answer 29.

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Answer 30.

The sign of the product of three integers with the same sign will be positive or negative. If odd number of same sign is multiplied, the product will be of that sign.

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3 years ago

5(-7)+9(4) I am confused on this problem

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Answer:

the answer is 1

Step-by-step explanation:

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