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3 years ago

The perimeter of a square equals 112 inches. how many inches would each side have to equal?

Mathematics

1 answer:

nordsb [41]3 years ago

8 0

For a square all 4 sides are equal so divide by 4.
$112\div 4 = 28$
Don't forget your units 28 inches

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Trucks in a delivery fleet travel a mean of 110 miles per day with a standard deviation of 38 miles per day. The mileage per day

Montano1993 [528]

Answer: 0.1824

Step-by-step explanation:

Given : The mileage per day is distributed normally with

Mean : $\mu=110\text{ miles per day}$

Standard deviation : $\sigma=38\text{ miles per day}$

Let X be the random variable that represents the distance traveled by truck in one day .

Now, calculate the z-score :-

$z=\dfrac{x-\mu}{\sigma}$

For x= 132 miles per day.

$z=\dfrac{132-110}{38}\approx0.58$

For x= 159 miles per day.

$z=\dfrac{159-110}{38}\approx1.29$

Now by using standard normal distribution table, the probability that a truck drives between 132 and 159 miles in a day will be :-

$P(132$

Hence, the probability that a truck drives between 132 and 159 miles in a day =0.1824

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3 years ago

coldgirl [10]

The answer is a I think that is correct

3 0

3 years ago

20 pts! please help? <3

FinnZ [79.3K]

The answer is a because i said so.

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3 years ago

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Explain why the initial value of any function of the form<br> f(x) = a(bx) is equal to a.

Serggg [28]

Answer:

Step-by-step explanation:

f(x) = a(b^x), the initial value is always a, because a is independent of x , so when x changes only b^x changes.ex if a = 2, b = 3, and x = 0: f(0) = 2 (3^0) = 2 If x = 1, then f(1) = 2 (3^1) = 2 (3). If x = 2, then f(2) = 2 (3^2) = 2 (9), as you can see a still the same.

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3 years ago

Simplify 2 x squared - y for x=3 and y=-2

mr_godi [17]

2x^2 - y when x + 3 and y = -2

2(3)^2 - (-2)

2(9) + 4

18 + 4

22

Hope this helps,

Brian

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3 years ago

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