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Kisachek [45]
2 years ago
14

What is the length and width of the rectangle if the area is 72 squre meters?

Mathematics
1 answer:
cupoosta [38]2 years ago
5 0

Answer:

sorry

Step-by-step explanation:

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What number is the opposite of 90?
zloy xaker [14]

Answer:

-90

Step-by-step explanation:

5 0
2 years ago
Which equation is related to this equation? b + 17 = 52
Neporo4naja [7]

It would be d because you would subtract 52 from 17 to get the answer then add the number you got to 17 to get 52.
7 0
3 years ago
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The fuel efficiency in miles per gallon of all bmw 320i's is (approximately) normally distributed with a mean of 25 and a standa
grigory [225]
Given:
μ = 25 mpg, the population mean
σ = 2 mpg, the population standard deviation

If we select n samples for evaluation, we should calculate z-scores that are based on the standard error of the mean.
That is,
z= \frac{x-\mu}{\sigma / \sqrt{n} }

The random variable is x = 24 mpg.

Part (i):  n = 1
σ/√n = 2
z = (24 -25)/2 = -0.5
From standard tables,
P(x < 24) = 0.3085

Part (ii): n = 4
σ/√n = 1
z = (24 -25)/1 = -1
P(x < 24) = 0.1587

Part (iii): n=16
σ/√n = 0.5
z = (24 - 25)/0.5 = -2
P(x < 24) = 0.0228

Explanation:
The larger the sample size, the smaller the standard deviation.
Therefore when n increases, we are getting a result which is closer to that of the true mean.
6 0
3 years ago
I need help on this math problem
xxMikexx [17]
The answer is A, it’s the only one that makes sense
4 0
2 years ago
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The solution set for 7q2 − 28 = 0 is { }. (Separate the solutions with a comma) NextReset
SVETLANKA909090 [29]
7q^2 - 28 = 0

7q^2 = 28 
q^2 = 4
q = +/-2
 solution set is {-2,2}
6 0
2 years ago
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