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Agata [3.3K]
3 years ago
5

PLEASE HELP!!!!!!!------- Ann sells boxes of cookies for $10 each. Abdul sells boxes of cookies for $8 each. Each of them sold t

he same dollar amount. It was the smallest dollar amount which this was possible.​
Mathematics
1 answer:
madreJ [45]3 years ago
6 0

Answer:

They both sold $40 worth of cookies.

Step-by-step explanation:

Using multiples the first multiple that 10 and 8 have in common is 40.

10,20,30,40

8,16,24,32,40

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2 years ago
Read 2 more answers
3/24 in lowest terms
lesya [120]

3/4 =3/4

4/6= 2/3

8/18= 4/9

9/15=3/5

7/21= 1/3

10/12= 5/6

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10/16=5/8

15/20= 3/4

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7 0
3 years ago
Simplify the expression (2^3)^-2
snow_lady [41]

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5 0
2 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
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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
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