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dimaraw [331]
3 years ago
11

Graph the line using two points.y=- 3/ 5x+2

Mathematics
1 answer:
Flauer [41]3 years ago
6 0
Ok for this you just plug any number for x and 2 is your y intercept ... -3/5 is slope slope is the change in y over the change in x so you go down 3 because the 3 is negative and to the right 5 because 5 is positive. so two points on the line y=3/5+2 are (-5,-1) and (-10, -4).
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I don’t get this math question please need help
Shtirlitz [24]

Answer:

I thi k its 164÷2 and then thats y but im honestly not sure

6 0
3 years ago
Waldo works eight hours and produces 7 units of goods per hour. Emerson works six hours and produces 10 units of goods per hour.
Phoenix [80]

Answer:  Option 'c' is correct.

Step-by-step explanation:

Since we have given that

In case of Waldo:

Number of hours they work = 8

Number of units per hour = 7 units

So, Output would be

8\times 7\\\\=56\ units

In case of Emerson:

Number of hours they work = 6 hours

Number of units per work = 10 units

So,Output would be

10\times 6=60\ units

Hence, Emerson’s productivity and output are greater than Waldo’s.

Therefore, Option 'c' is correct.

8 0
3 years ago
There are eight bookshelves 44 bucks per cell how many books are there in 1/4 of the total books or novels how many novels are t
mr_godi [17]
The answer is 88 novels.
Explanation:
44x8=352
352x.25= 88
6 0
3 years ago
18. A normal population has a mean of 80.0 and a standard deviation of 14.0. a. Compute the probability of a value between 75.0
mixer [17]

Answer:

a) 40.17% probability of a value between 75.0 and 90.0.

b) 35.94% probability of a value 75.0 or less.

c) 20.22% probability of a value between 55.0 and 70.0.

Step-by-step explanation:

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.

In this problem, we have that:

\mu = 80, \sigma = 14

a. Compute the probability of a value between 75.0 and 90.0.

This is the pvalue of Z when X = 90 subtracted by the pvalue of Z when X = 75.

X = 90

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

Z = \frac{90 - 80}{14}

Z = 0.71

Z = 0.71 has a pvalue of 0.7611

X = 75

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

Z = \frac{75 - 80}{14}

Z = -0.36

Z = -0.36 has a pvalue of 0.3594

0.7611 - 0.3594 = 0.4017

40.17% probability of a value between 75.0 and 90.0.

b. Compute the probability of a value 75.0 or less.

This is the pvalue of Z when X = 75. So

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

Z = \frac{75 - 80}{14}

Z = -0.36

Z = -0.36 has a pvalue of 0.3594

35.94% probability of a value 75.0 or less.

c. Compute the probability of a value between 55.0 and 70.0.

This is the pvalue of Z when X = 70 subtracted by the pvalue of Z when X = 55.

X = 70

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

Z = \frac{70 - 80}{14}

Z = -0.71

Z = -0.71 has a pvalue of 0.2389

X = 55

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

Z = \frac{55 - 80}{14}

Z = -1.79

Z = -1.791 has a pvalue of 0.0367

0.2389 - 0.0367 = 0.2022

20.22% probability of a value between 55.0 and 70.0.

6 0
3 years ago
What 2 answers are these?! x^2−5x−8=0
Assoli18 [71]

Answer:

sorry look question at once and comment

8 0
3 years ago
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