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Yanka [14]
3 years ago
9

If you answer you get brainest and a freind request

Mathematics
2 answers:
aalyn [17]3 years ago
6 0
All I know is that the GCF is 4
ki77a [65]3 years ago
6 0

Answer:

4(4x+7)

Step-by-step explanation:

Okay, lets break this problem down. Instead of solving the expression given, we are rather simplifying it as if we would fractions. A GCF is used to separate the largest number that can be multiplied into another number. For example,

Say if we had the numbers:

21 & 28

We are looking for the GCF, or Greatest Common Factor.

A factor is a number multiplied by another number to achieve the same outcome, for instance, take 4. The factors are 2 and 2, along with 4 and 1.

Now back to the example. 21 and 28 have what number in common? 7 If we take the number 7 out of 21 and 28 we get this:

21x+28=\\7*3=21\\7*4=28\\GCF = 7\\7(3x+4)=21x+28

Basically, we are looking at the same problem, but in simpler terms.

Now, looking at the problem originally given, we have:

16x+28=?\\4*4=16\\4*7=28\\GCF=4\\4(4x+7)=16x+28

Now remember, A GCF always is the same number. We can't use unlike numbers for a GCF . The number for both parts of the expression must be the same.

I hope that this provided you with some clarification and I would be happy to help you again in the future! Have a nice day!

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If a plane slices the solid figure shown below, what is the largest number of sides the cross section can have? Type your answer
vitfil [10]

Answer:

5

Step-by-step explanation:

The figure has 5 faces. A plane can be chosen that slices all of them, hence results in a 5-sided cross-section figure.

_____

<em>How</em>

Draw a line on one of the triangular bases that is not parallel to any edge. It must intersect 2 of the 3 edges. Draw a line on the opposite triangular base parallel to the first line, but that intersects the edge parallel to the one not intersected by the first line.

The plane containing the two lines you drew will intersect all 5 faces of the prism.

8 0
4 years ago
What is the verbal expression of 1^8 y
tatyana61 [14]
One to the power of eight y
6 0
4 years ago
A racing car consumes a mean of 100 gallons of gas per race with a variance of 64. If 44 racing cars are randomly selected, what
lesantik [10]

Answer:

83.89% probability that the sample mean would be greater than 98.8 gallons

Step-by-step explanation:

To solve this question, we have to understand the normal probability distribution and the central limit theorem.

Normal probability distribution:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Central limit theorem:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, a large sample size can be approximated to a normal distribution with mean \mu and standard deviation, which is also called standard error s = \frac{\sigma}{\sqrt{n}}

In this problem, we have that:

The standard deviation is the square root of the variance. So

\mu = 100, \sigma = \sqrt{64} = 8, n = 44, s = \frac{8}{\sqrt{44}} = 1.21

If 44 racing cars are randomly selected, what is the probability that the sample mean would be greater than 98.8 gallons

This probability is 1 subtracted by the pvalue of Z when X = 98.8. So

Z = \frac{X - \mu}{\sigma}

By the Central Limit Theorem

Z = \frac{X - \mu}{s}

Z = \frac{98.8 - 100}{1.21}

Z = -0.99

Z = -0.99 has a pvalue of 0.1611

1 - 0.1611 = 0.8389

83.89% probability that the sample mean would be greater than 98.8 gallons

4 0
3 years ago
A tissue box is in the shape of a rectangular prism with an area of 528 in.³ the length of the box of tissues is 12 inches in th
iris [78.8K]
Pu$$y is very good save it! you'll need it later in life! trust me!
5 0
4 years ago
X+4=3x<br> What's x equal please show work
Soloha48 [4]

x+4=3x

first subtract x from both sides(x-x and 3x-x)

4=2x

Now divide 2 from both sides (2x/2 and 4/2)

2=x

So x=2

6 0
3 years ago
Read 2 more answers
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