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MatroZZZ [7]
3 years ago
8

The table shows the steps for solving the given inequality for x. −2(3−2x)

Mathematics
1 answer:
Delicious77 [7]3 years ago
4 0

Answer:

3x = 4-x "hope this helps"

Step-by-step explanation:

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Awnser to 4(5x + 1)-8=38 + 6x
Bess [88]

Answer:

x=3

Step-by-step explanation:

4 0
3 years ago
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IGNOR MY ANSWER I ALSO NEED TO KNOW IF IT'S OPEND OR CLOSED Graph the solution to this inequality on the number line.
Alex777 [14]

Answer:

open circle

Step-by-step explanation:

\leq \geq = closed cirle\\ =open circle

6 0
2 years ago
Why are quartiles generally more reliable for judging outliers than mean and standard deviation?
lesya [120]
<span>Quartiles are generally more reliable for judging outliers than mean and standard deviations for 2 reasons. The mean is simply the average of all of the numbers, meaning that an outlier can easily be obscured by the masses. Standard deviation is a better method, however only going over by one standard deviation in either direction would also mask an outlier. A strong outlier however will pull a quartile farther in that direction than would normally be expected.</span>
3 0
3 years ago
Two workers finished a job in 12 days. How long would it take each worker to do the job by himself if one of the workers needs 1
Lorico [155]

Two workers finished a job in 7.5 days.

How long would it take each worker to do the job by himself if one of the workers needs 8 more days to finish the job than the other worker?

let t = time required by one worker to complete the job alone

then

(t+8) = time required by the other worker (shirker)

let the completed job = 1

A typical shared work equation

7.5%2Ft + 7.5%2F%28%28t%2B8%29%29 = 1

multiply by t(t+8), cancel the denominators, and you have

7.5(t+8) + 7.5t = t(t+8)

7.5t + 60 + 7.5t = t^2 + 8t

15t + 60 = t^2 + 8t

form a quadratic equation on the right

0 = t^2 + 8t - 15t - 60

t^2 - 7t - 60 = 0

Factor easily to

(t-12) (t+5) = 0

the positive solution is all we want here

t = 12 days, the first guy working alone

then

the shirker would struggle thru the job in 20 days.

8 0
2 years ago
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Need the answer times running out on the test
boyakko [2]

B is the answer

Expand factors

Reorder multiply

Transform

Answer!

6 0
2 years ago
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