3 years ago

Please help these two questions!!! If you know it! It will mean a lot if you show me how to do it!

1 answer:

8 0

A ) = $ 0.18/oz = 4.68/26

b) = $0.19/oz = 2.66/14= 0.19

a is a better buy

9) for every 5 babies they need 1 babysitter, so for 40 babies they will need 8 babysitters.

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A diamond ring that normally sells for $1,275 is on sale for $1,020. A ruby ring that normally sells for $290 is on sale for $20

Elena-2011 [213]

Answer:

what is the question?

Step-by-step explanation:

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3 years ago

Evaluate 3p/q when p=2and q=6

Ira Lisetskai [31]

So we know what the variables are already.

$\frac{3*2}{6}$

Now, 3 x 2 = 6.

So our fraction is 6/6.

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2 years ago

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On an exam with μ = 52, you have a score of X = 56. Which of the following values for the standard deviation would give you the

Aleonysh [2.5K]

Answer:

σ = 2 (option a)

Step-by-step explanation:

You would want the smallest standard deviation possible.

Think of it like this: if everyone, other than you, got only 50, 51, 52, 53 then you would be the ultimate highest position in the class.

As opposed to being an average position if the scores were about 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60 ---your score would not put you in the highest position in the class distribution.

So, a standard deviation of σ = 2 would give you the highest position in the class distribution.

5 0

1 year ago

Please help I'm not very sure.

Bogdan [553]

I think it's x2–1=0 because it's the only one that has -1 for origin of the ordinate

5 0

3 years ago

Find the volume of the cylinder with a diameter of 12 inches and a height of 10

kati45 [8]

Answer:

360 pi in ^3

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2 h

We know the diameter is 12 so the radius is 1/2 the diameter

r = d/2 = 12/2 = 6

V = pi (6)^2 * 10

V = pi (36)*10

V = 360 pi in ^3

We can approximate pi by 3.14

V =1130.4 in ^3

Or we can approximate pi by using the pi button

V =1130.973355 in ^3

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3 years ago