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dezoksy [38]
2 years ago
11

Hi can anyone solve this for me please solve it on a piece of paper please

Mathematics
1 answer:
mojhsa [17]2 years ago
7 0

Answer:

Awsten Knight

Step-by-step explanation:

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Which is the same as adding a number to itself?
tankabanditka [31]

Answer:

Multiplication with 2.

Step-by-step explanation:

In this question, we have to find the operation which is equivalent to adding a number to itself.

The operation is multiplication with 2.

If a number is multiplied with 2, then the operation is equivalent to adding a number to itself.

For example, if you multiply the number x with 2, the result is 2x and again if you add x with x, you will get the same result as 2x. (Answer)

4 0
3 years ago
Which function described as the arithmetic sequence below 1,-2,-5,-8,-11
motikmotik

Answer:

-3 it subtracts if you take 1and go back 3 times you get -3 same. for negative -5 back -3 is -8

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Sean and Evan are college roommates who have part-time jobs as servers in restaurants. The distribution of Sean’s weekly income
Sauron [17]

Answer:

d. 0.303

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

Subtraction between normal variables:

When two normal variables are subtracted, the mean is the difference of the means, while the standard deviation is the square root of the sum of the variances.

In this question:

We want the probability of Sean having a greater income than Evan, which is the probability of the subtraction of Sean's income by Evan's income is greater than 0.

Distribution of the difference between Sean's and Evan's income:

Sean has mean 225, Evan 240. So

\mu = 225 - 240 = -15

Sean's standard deviation is of 25, Evan's of 15. So

\sigma = \sqrt{25^2+15^2} = 29.15

Probability that Sean will have a greater income than Evan in a randomly selected week:

Probability of the subtraction being greater than 0, which is 1 subtracted by the pvalue of Z when X = 0. So

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

Z = \frac{0 - (-15)}{29.15}

Z = 0.51

Z = 0.51 has a pvalue of 0.695

1 - 0.695 = 0.305.

Closest to 0.303, option d.

5 0
3 years ago
What is the figure shown below?<br> N<br> м.<br> A...line<br> B..line segment<br> C..ray
Brums [2.3K]

Answer:

c its Ray I looked on goggle and I looked up Ray and it showed a picture of that

6 0
3 years ago
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What is the mean of the values in the stem-and-leaf plot?<br><br> Key: 2|5 means 25
zmey [24]
A plot where each data is split into a leaf usaully the last digit.
4 0
3 years ago
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