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2 years ago

6

Working together, it takes two different sized hoses 25 minutes to fill a small swimming pool. If it takes 35 minutes for the la

rger hose to fill the swimming pool by itself, how long will it take the smaller hose to fill the pool on its own?

1 answer:

Burka [1]2 years ago

4 0

Answer: Do you like my Vegito PFP

Step-by-step explanation:

It's pretty cool

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Stella models a product with algebra tiles. Write a number sentence that best describes her model. Fill in the blanks.

Kamila [148]

Answer:

Sorry i dont understand

Step-by-step explanation:

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3 years ago

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A cone and a pyramid are both 3 inches in height. If the radius of the base of the cone is 4 in and the a side of the square bas

kotegsom [21]

I got the answer of the cone

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4 years ago

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PLEASE HELP!!!!!! ILL GIVE BRAINLIEST *EXTRA 40 POINTS** !! DONT SKIP :((

elena-14-01-66 [18.8K]

Answer:

yes

Step-by-step explanation:

I think sorry if I am wrong

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3 years ago

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What is the equation of the line whose slope is 1/3 and y-intercept is -4?

faltersainse [42]

Answer:

y=1/3x-4

Step-by-step explanation:

the slope-intercept format of the line is y=mx+b, where m is the slope and b is the y intercept.

we are given the slope (1/3) and the y intercpet (-4).

substitute the numbers into the equation

y=1/3x-4

the answer is y=1/3x-4

hope this helps!

3 0

3 years ago

A toy manufacturer wants to know how many new toys children buy each year. A sample of 601 children was taken to study their pur

Lilit [14]

Answer:

The confidence interval is 6.6<μ<6.8.

Step-by-step explanation:

We have:

Number of observations = 601

Mean = 6.7

Standard deviation σ = 1.5

The z-score for a 95% confidence interval is 1.96.

The limits of the confidence interval can be calculated as

$X \pm z*\frac{\sigma}{\sqrt{n}}\\\\LL=X-z*\frac{\sigma}{\sqrt{n}}=6.7-1.96*\frac{1.5}{\sqrt{601} } =6.7-0.1199=6.6\\\\UL=X+z*\frac{\sigma}{\sqrt{n}}=6.7+1.96*\frac{1.5}{\sqrt{601} } =6.7+0.1199=6.8$

The confidence interval is 6.6<μ<6.8.

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3 years ago