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kobusy [5.1K]
3 years ago
10

PLEASE HELP ME WITH THIS

Mathematics
2 answers:
patriot [66]3 years ago
6 0

Answer:

Plot your x,y points at (0,1) and (1,3)

Sveta_85 [38]3 years ago
4 0
Here you go, should be right

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Doug makes a parallelogram-shape sign for his shop. What is the area of this parallelogram? Round to the nearest hundredth. 5.32
WINSTONCH [101]
1.9x2.8 + 3.2+2.8 = 14.28
5 0
3 years ago
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Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round y
Anarel [89]

Answer:

P(x ≥ 30) = 0.3859

Step-by-step explanation:

When the distribution is normal, we use 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.

In this question, we have that:

\mu = 29, \sigma = 3.4

This probability is going to be 1 subtracted by the pvalue of Z when X = 30. So

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

Z = \frac{30 - 29}{3.4}

Z = 0.29

Z = 0.29 has a pvalue of 0.6141

1 - 0.6141 = 0.3859

So

P(x ≥ 30) = 0.3859

4 0
3 years ago
Which is greater, 40% of 70, or 70% of 40? Justify your explanation with work and/or an explanation.
Strike441 [17]

Answer:

0.4 * 70 is 28

.7 * 40 is 28

Step-by-step explanation:

Both are the same.

4 0
2 years ago
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Need help with 7 and 8
Komok [63]
To find x you have to put  ~ 25+x+15=3x-10 ~  once you have solved for x, you plug it in  ~x+15 and once you have that angle do the same to fro letter C and than find the measure for D the same way 

i hope this was help
8 0
3 years ago
Select the correct steps for factoring the polynomial 5x^3-40
erastovalidia [21]

Answer:

5 (x-2) (x²+2x+4)

Step-by-step explanation:

Stating with 5x³ - 40, the want to simplify the x part by extracting the common factor, so

5x³ - 40 = 5(x³-8)

Now to factor x³-8, we can rewrite it in the format x³-2³, right?

And there's a formula to obtain x³-y³, which is the Difference of Cubes formula that goes like this:  x³-y³= (x-y)(x²+xy+y²)

So, we apply this formula replacing the y with our value of 2:

x³-2³= (x-2)(x²+2x+2²) = (x-2)(x²+2x+4)

So, overall, we have 5x³ - 40 = 5 (x-2) (x²+2x+4)

7 0
3 years ago
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