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snow_lady [41]
3 years ago
13

Add the following using horizontal methodi.)abc,-2abc,4abcii.)8xz,-2xz,-6xz

Mathematics
2 answers:
ycow [4]3 years ago
8 0

What the other guy said :D

atroni [7]3 years ago
4 0

Answer:

i - 3abc

ii - 0

Step-by-step explanation:

i- abc,-2abc= -abc (think of it as 1-2)

-abc,+4abc=3abc (-1+4)

ii- 8xz,-2xz=6xz (8-2)

6xz,-6xz=0 (6-6)

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yanalaym [24]

-1/3(px-2) = 9

ok! so first we want to isolate x.

multiply both sides by -3/1 (this is the reciprocal of -1/3)

(px-2) = -27

px = -27 + 2

px = -25

x = -25/p

hope this helped!

8 0
3 years ago
Madeline needs to find the slope of the line that passes through the points (9, 12) and (7, 4). She sets up the following work:
Over [174]

Answer:

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She has everything correct but one thing. In order to have her answer correct, she must put the 9 in front of the 7 because the bigger number needs to go in front.

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Greeley [361]

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Step-by-step explanation:

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3 years ago
Tom worked 74 hours in 2 weeks. if he earns 7.55 a hour, how much did he earn in the 2 week period?
sveticcg [70]
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