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vfiekz [6]
3 years ago
12

Maria bought 4 boxes of muffins with 16 muffins in each box.Write an expression using exponents to find how many muffins she bou

ght.

Mathematics
1 answer:
djverab [1.8K]3 years ago
6 0
4(16x) i think try it out tho
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Plz help and show work
Helen [10]

Answer:

It is A and D.

Step-by-step explanation:

One answer would be 1.50x + 3600 = 1200, because he sells x many bags for $1.50 each, and add 3600 to it

The other answer is 1.5(2400 + x) = 12000, this is equal to 3600 + 1.5x = 1200, the same as the first equation.

The other answers are all wrong.

5 0
3 years ago
8.23 A manufacturing company produces electric insulators. You define the variable of interest as the strength of the insulators
Kitty [74]

Answer:

The 95% confidence interval estimate for the population mean force is (1691, 1755).

Step-by-step explanation:

According to the Central Limit Theorem if we have an unknown population with mean μ and standard deviation σ and appropriately huge random samples (n > 30) are selected from the population with replacement, then the distribution of the sample mean will be approximately normally.

The sample selected here is <em>n</em> = 30.

Thus, the sampling distribution of the sample mean will be normal.

Compute the sample mean and standard deviation as follows:

\bar x=\frac{1}{n}\sum x=\frac{1}{30}\times 51702=1723.4\\\\s=\sqrt{\frac{1}{n-1}\sum (x-\bar x)^{2}}=\sqrt{\frac{1}{30-1}\times 232561.2}=89.55

Construct a 95% confidence interval estimate for the population mean force as follows:

CI=\bar x\pm z_{\alpha /2}\times\frac{s}{\sqrt{n}}

    =1723.4\pm 1.96\times\frac{89.55}{\sqrt{30}}\\\\=1723.4\pm 32.045\\\\=(1691.355, 1755.445)\\\\\approx (1691, 1755)

Thus, the 95% confidence interval estimate for the population mean force is (1691, 1755).

3 0
3 years ago
Whats is the difference between a factor and multiple
Deffense [45]

Answer:

<h3> a factor is a number that divides another number without leaving any remainder. , A multiple is a number that, when divided a certain of times by another number, no remainder is left.</h3>

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Having trouble with this, help please? <br><br> I will give brainliest.
yaroslaw [1]

Answer:

a)     7x-15=20

b)   \frac{20+15}{7}

c)  5

Step-by-step explanation:

4 0
2 years ago
A rectangle has an area of 12 square feet and a length of 5 feet. What is its width?
Lera25 [3.4K]
Well, you know that the area of the rectangle is 12 square feet. And you know one of the numbers multiplied to get 12 is 5, so divide 12 by 5. You would get 2.4 as the other number needed.
In this case, 5 feet is the width and 2.4 feet is the length.
8 0
3 years ago
Read 2 more answers
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