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2 years ago

9

Q - 23 when q = 71 this is evaluating expressions

1 answer:

-BARSIC- [3]2 years ago

3 0

71 - 23 = 48 is the answer

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18. An urn contains 3 red balls, 2 green balls and 1 yellow ball. Three balls are selected at random and without replacement fro

Goryan [66]

Answer:

27.77%

Step-by-step explanation:

The probability of not drawn a red ball is 3/6. The probability of not drawn a green ball is 4/6, and the probability of not drawn a yellow ball is 5/6. So, the probability of not drawn at least one color is the multiplication of the probabilities of each color, so (3/6)*(5/6)*(4/6) = 0.2777.

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3 years ago

A cone has a height of 2.5 in. and a radius of 5 in. What is the volume of the cone? (Use 3.14 for Pi. Round the answer to two d

Stells [14]

Answer:

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

And replacing we got:

$V = \frac{1}{3} (3.14) (5in)^2 (2.5in) = 65.42 in^3$

And the best option would be:

65.42 Inches cubed

Step-by-step explanation:

For this case we have the following info given:

$h =2.5 in$ represent the height of the cone

$r = 5 in$ represent the radius

And the volume of the cone is given by;

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

And replacing we got:

$V = \frac{1}{3} (3.14) (5in)^2 (2.5in) = 65.42 in^3$

And the best option would be:

65.42 Inches cubed

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2 years ago

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Find all points (x, y) on f(x) = X^3 – 4x + 3 where the slope of the tangent line is 8.

MrRa [10]

Answer:

if you want answer that question go to qanda

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2 years ago

Maria charges $15 for every 2 hours that she babysits. How much would Maria charge for working for 5 hours

saw5 [17]

15x2.5hours =37.5 dollars

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3 years ago

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kari74 [83]

The mean is decreased by 2

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3 years ago