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3 years ago

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Jim has a swimming pool that needs to be drained. His pool holds 9,926.5 gallons of water and will be completely drained in 6 ho

urs. What is the change in the water level per hour for Jim's swimming pool? Round your answer to the nearest hundredth.

1 answer:

mart [117]3 years ago

6 0

Answer:

You divide by 6 and get 1654.416 which rounds to 1654.42 I believe. Hope this helps! :)

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A lawn mower company wants to show how much time a homeowner can save by using a ride-on lawn mower instead of a push lawn mower

DanielleElmas [232]

A. F
b. T
c. T
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1.5 Acres 2 Acres

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2 years ago

True or false: Every kite is a rhombus, but not every rhombus is a kite.

horsena [70]

This is false. Kites can be shaped in many different ways so not all kites are rhombuses. Also, even the kites that look like rhombuses may not be rhombuses. Most kites have 2 pairs of sides with the same length. But, in order to be a rhombus all the sides have to be the same length but not all sides are the same length on a typical kite.

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3 years ago

A random sample of 38 wheel chair users were asked whether they preferred cushion type A or B, and 28 of them preferred type A w

-BARSIC- [3]

Answer:

The statement that cushion A is twice as popular as cushion B cannot be verified

Step-by-step explanation:

From the question we are told that:

Sample size n=38

Type a size A $X_a=28$

Type a size B $X_b=10$

Generally the probability of choosing cushion A P(a) is mathematically given by

$P(a)=\frac{28}{38}$

$P(a)=0.73$

Generally the equation for A to be twice as popular as B is mathematically given by

$P(b)+2P(b)=3P$

Therefore Hypothesis

$Null H_0: p \leq \frac{2P}{3P} \\Altenative H_A:p>\frac{2P}{3P}$

Generally the equation normal approx of p value is mathematically given by

$z=\frac{x-np_0-0.5}{\sqrt{np_0(1-p_0)} }$

$z=\frac{28-(38*2/3)_0-0.5}{\sqrt{38*2/3*1/3} }$

$z=0.75$

Therefore from distribution table

$Pvalue=1-\theta (0.75)$

$Pvalue=0.227$

Therefore there is no sufficient evidence to disagree with the Null hypothesis $H_0$

Therefore the statement that cushion A is twice as popular as cushion B cannot be verified

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3 years ago

Solve for t. 4=2+2/5t

maxonik [38]

T=5

4=2+2/5t
Subtract 2 from both sides.
2=2/5t
Multiply both sides by 5/2.
t=5

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3 years ago

Read 2 more answers

what is the decimal equivalent of the fraction? 7/12 enter your answer to the nearest thousandths in the box

Likurg_2 [28]

The answer is 0.583, and the 3 has a bar notation

Hope this helped

btw i also do k12

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3 years ago

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