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3 years ago

Due to a leak, the amount of water in a pool is decreasing by 5858 gal every hour.

1 answer:

4 0

Here is the solution to the given problem above.
Given the the amount of water in a pool is decreasing 5/8 gallon every hour.
And what would be the change in the number of gallons after 3/4 hour. So what we are going to do is just to multiply 5/8 by 3/4. And the result would be 15/32. The total change in the number of gallons of water in the pool after 3/4 hour would be 15/32 gallons.

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If p(x)= x2-3x+2 find value of p(0) p(2)

motikmotik

P(0)=2

P(2)=4

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3 0

3 years ago

Read 2 more answers

In the diagram below, what is the relationship between the number of trapezoids, n, and the perimeter, p, of the figure they for

Soloha48 [4]

Answer:

Step-by-step explanation:

it is all of the side lengths of the four sides times how many trapezoids there are

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3 years ago

What's the answer????

lana66690 [7]

Answer:

Step-by-step explanation:

2(3)(0) + 7

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2 years ago

Two families are saving up for a summer trip. The Smith family originally has $1000 and will save $50 every week. The Jones fami

gizmo_the_mogwai [7]

Hello. the answer is 20 weeks

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3 years ago

. A used car dealer says that the mean price of a two-year old sedan (in good condition) is at least $20,500. You suspect this c

Taya2010 [7]

Answer: There is sufficient evidence to reject the dealer's claim that the mean price is at least $20,500

Step-by-step explanation:

given that;

n = 14

mean Ж = 19,850

standard deviation S = 1,084

degree of freedom df = n - 1 = ( 14 -1 ) = 13

H₀ : ц ≥ 20,500

H₁ : ц < 20,500

Now the test statistics

t = (Ж - ц) / ( s/√n)

t = ( 19850 - 20500) / ( 1084/√14)

t = -2.244

we know that our degree of freedom df = 13

from the table, the area under the t-distribution of the left of (t=-2.244) and for (df=13) is 0.0215

so P = 0.0215

significance ∝ = 0.05

we can confidently say that since our p value is less than the significance level, we reject the null hypothesis ( H₀ : ц ≥ 20,500 )

There is sufficient evidence to reject the dealer's claim that the mean price is at least $20,500

6 0

3 years ago