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egoroff_w [7]
3 years ago
14

Simplify.

Mathematics
2 answers:
Daniel [21]3 years ago
4 0

Answer:

The answer is 30xy - 70yz

Step-by-step explanation:

Distribute

10y × 3x + 10y × -7z

Simplify 10y × 3x to 30yx

30yx + 10y × -7

Simplify 10y × -7z to -70yz

30xy - 70yz

Answer: A. 30xy - 70yz

Hope this helps!!

scoundrel [369]3 years ago
3 0

Answer:

30xy-70yz

Step-by-step explanation:

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A construction worker bought several bottles of juice for $3 at the convenience store. She paid for them with a $20 bill.If "J"
fomenos
Each bottle of juice costs $3, so to find the total price of the bottles, you would have to multiply the number of bottles by $3, or:
3×J

Since she paid for them with a $20 bill, you need to subtract the total price of the bottles (shown above) from 20. Let's say "y" is the amount of change she receives:
y=20-(3×J)


7 0
4 years ago
Which expressions are equivalent to 4 (4a + 5) ?
Sladkaya [172]

Answer:

16a+20

Step-by-step explanation:

Distribution property

4×4a + 4×5

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3 years ago
Read 2 more answers
When the outliers are removed, how does the mean change? (2 points) dot plot with 1 on 50, 1 on 76, 1 on 78, 2 on 79, 1 on 80, 1
777dan777 [17]

Answer:

Answer: The mean increases by 3

Step-by-step explanation:

The original data set is 

{50, 76, 78, 79, 79, 80, 81, 82, 82, 83}

The outlier is 50 because it is not near the group of values from 76 to 83 which is where the main cluster is.

The original mean is M = (50+76+78+79+79+80+81+82+82+83)/10 = 77

If we take out the outlier 50, the new mean is N = (76+78+79+79+80+81+82+82+83)/9 = 80

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8 0
3 years ago
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