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iris [78.8K]
3 years ago
7

Subtract fraction and simplify if needed

Mathematics
1 answer:
Harrizon [31]3 years ago
6 0
First you need to find the common denominator. both 6 and 7 go in to 42 evenly

multiply 5/6 by 7 to get 35/42
multiply 2/7 by 6 to get 12/42
subtract 12 from 35 to get 23

23/42
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Show me working please.
enyata [817]

Answer:

100% left handed people

20.6% = women

Not women who are left handed

=100-20.6

=79.4%

6 0
3 years ago
It takes Christy 1.5 hours to clean the garage. It takes the kids 2 hours to clean the same garage. If they all clean together,
Alborosie
Christy c = 90 min

kids k = 120 min

total time t = ?

I would do : 90+120 = 210 then divide that by 2 which equals 105 min
6 0
3 years ago
What is the slope of the line passing through the points (-3, 4) and (2, - 1)?
dimaraw [331]

Answer:

slope = -1 or -x

Step-by-step explanation:

Do y2-y1/x2-x1

Plug in

-1 - 4/ 2 - -3 = -5/5

(Simplify)

-1 so the slope is

-1 or -x

If you want to find the equation use one of the points you have.

4 = -1(-3) + b

4 = 3 + b (subtract 3 on each side)

1 = b

y = -1x + 1 is the equation

6 0
3 years ago
Read 2 more answers
PLEASE HELP ME!
Tatiana [17]

Answer:

TRUE

Step-by-step explanation:

2x + 0.8/y = z – 4

x = 7, y = 0.2, z = 22

2×7  + 0.8/0.2 = 22 - 4

            14 + 4 = 18

                  18 = 18

TRUE.


6 0
3 years ago
Pencils come in boxes of 10. How many boxes should Mr. Sawicki but if he needs 142 pencils?
pav-90 [236]
142/10= 14.2
Can’t get half a box
Answer:15 boxes
7 0
3 years ago
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