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3 years ago

If cade shoots 275 free throw baskets in 2 hours, how many can he shoot in 5 hours

2 answers:

Volgvan3 years ago

6 0

Hey there! :D

Find the unit rate.

275/2= 137.5

Cade shoots 137.5 free throws per hour. Multiply that by 5 for 5 hours.

5*137.5= 687.5

He can shoot 687.5 free throws in one hour. You could just round that to 688.

I hope this helps!
~kaikers

Alecsey [184]3 years ago

6 0

The answer is that he can shoot about 688 baskets in 5 hours. However the exact answer is 687.5 so I just rounded up 1.

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I need help with this problem

zmey [24]

Answer:heres what i got

The left side −0

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Step-by-step explanation:

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3 years ago

A survey was conducted that asked 1003 people how many books they had read in the past year. Results indicated that x overbar eq

Sergio [31]

Answer:

The 99% confidence interval would be given (11.448;14.152).

Step-by-step explanation:

1) Important concepts and notation

A confidence interval for a mean "gives us a range of plausible values for the population mean. If a confidence interval does not include a particular value, we can say that it is not likely that the particular value is the true population mean"

$s=16.6$ represent the sample deviation

$\bar X=12.8$ represent the sample mean

n =1003 is the sample size selected

Confidence =99% or 0.99

$\alpha=1-0.99=0.01$ represent the significance level.

2) Solution to the problem

The confidence interval for the mean would be given by this formula

$\bar X \pm z_{\alpha/2} \frac{s}{\sqrt{n}}$

We can use a z quantile instead of t since the sample size is large enough.

For the 99% confidence interval the value of $\alpha=1-0.99=0.01$ and $\alpha/2=0.005$ , with that value we can find the quantile required for the interval in the normal standard distribution.

$z_{\alpha/2}=2.58$

And replacing into the confidence interval formula we got:

$12.8 - 2.58 \frac{16.6}{\sqrt{1003}}=11.448$

$12.8 + 2.58 \frac{16.6}{\sqrt{1003}} =14.152$

And the 99% confidence interval would be given (11.448;14.152).

We are confident that about 11 to 14 are the number of books that the people had read on the last year on average, at 1% of significance.

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3 years ago

What is the y-coordinate of point W?<br><br> PLS ASAP

sweet [91]

<h3>Answer: -1.5</h3>

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8 0

3 years ago

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kap26 [50]

Answer:

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Step-by-step explanation:

7 0

2 years ago

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For a moving object,When. The force acting on the object varies directly with the object's acceleration. When a force of 64 N ac

Tems11 [23]

Answer:

72 N

Step-by-step explanation:

From the question.

Force is directly proportional to acceleration, with the mass of the object constant.

F α a

F = ka

F₁/a₁ = F₂/a₂....................... Equation 1

Where F₁ = Initial force, a₁ = initial acceleration. F₂ = final force, a₂ = Final acceleration.

make F₂ the subject of the equation

F₂ = (F₁/a₁)a₂................ Equation 2

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Substitute these values into equation 2

F₂ = (64/8)(9)

F₂ = 72 N

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3 years ago