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mamaluj [8]
2 years ago
6

If x =7 what are the possible values of x

Mathematics
1 answer:
Lorico [155]2 years ago
5 0

Answer:

the value of x is x

Step-by-step explanation:

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5x-9y-42=?(x+6)-9(y+?)
Ludmilka [50]

Answer:

5 8

Step-by-step explanation:

Coefficient of x should be 5 so first ? should be 5 let the second ? = z

5×6-9×z=-42

30+42=9z

z=8

3 0
3 years ago
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the lines below are parallel. if the slope of the green line is -3, what is the slope of the red line
strojnjashka [21]
The slope of the red line would also be -3 because the lines are parallel, and parallel lines have the same slope.
5 0
3 years ago
Can someone answer this for me
Sergio039 [100]

Answer:

B goes to the neither parralell.A goes to the 2nd one and the last one goes to parell

Step-by-step explanation:

5 0
3 years ago
(a) Suppose one house from the city will be selected at random. Use the histogram to estimate the probability that the selected
Mila [183]

Answer:

a)   0.71

b)   0.9863

Step-by-step explanation:

a. Given the mean prices of a house is $403,000 and the standard deviation is $278,000

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P(X

Hence, the probability of a house price below $500,000 is 0.71

b. -Let X be the mean price of a randomly selected house.

-Since the sample size 40 is greater than 30, we assume normal distribution.

-The probability can therefore be calculated as follows:

P(X

Thus, the probability  that the mean value of the 40 houses is less than $500,000 is 0.9863

8 0
3 years ago
Aaron can run 4 miles in 30 minutes. How long does it take him to run one mile
stealth61 [152]

You first divide 30 by 4 to see how long it takes him to run one mile. Then you get 30/4 which simplified is 15/2 minutes

6 0
2 years ago
Read 2 more answers
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