Which of the following r-values represents the strongest correlation?

Mathematics

1 answer:

lbvjy [14]3 years ago

3 0

Hello there,

Answer:

-0.71

Step-by-step explanation:

I hope this helps.

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The radius of the base of a cylinder is increasing at a rate of 11 meter per hour and the height of the cylinder is decreasing a

musickatia [10]

Answer:

The volume of the cylinder is decreasing at a rate of 83629.2 m³/h.

Step-by-step explanation:

The volume of a is given by:

$V = \pi r^{2}h$

Where:

r: is the radius = 55 m

h: is the height = 88 m

We can express the rate of change of the volume of the cylinder as follows:

$\frac{dV}{dt} = \pi[h\frac{2rdr}{dt} + r^{2}\frac{dh}{dt}]$

If dr/dt = 11 m/h and dh/dt = -44m/h, we have:

$\frac{dV}{dt} = \pi[88 m*2*55 m*11 m/h + (55 m)^{2}*(-44 m/h)] = -83629.2 m^{3}/h$

Therefore, the volume of the cylinder is decreasing at a rate of 83629.2 m³/h.

I hope it helps you!

5 0

3 years ago

All computers are on sale for 10% off the original price. If x is the original price of the computer, then the function that rep

prohojiy [21]

So the original price is "x".

the discounted price by 10% is P(x) = 0.9x.

the price minus a $150 coupon is C(x) = x - 150.

so, if you go to the store, the item is discounted by 10%, so you're really only getting out of your pocket 90% of that, or 0.9x, but!!! wait a minute!! you have a $150 coupon, and you can use that for the purchase, so you're really only getting out of your pocket 0.9x - 150, namely the discounted by 10% and then the saving from the coupon.

C( P(x) ) = P(x) - 150

C( P(x) ) = 0.9x - 150

5 0

3 years ago

Read 2 more answers

Which expression is equivalent to (4h7k2)4?

Kazeer [188]

Hope this will help u ...