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Irina-Kira [14]
3 years ago
8

Find the sum or difference of 1/12 + 7/9

Mathematics
1 answer:
Arturiano [62]3 years ago
4 0
Find a common denominator between 12 and 9 
it would be 36
9*4=36
12*3=36
1*3=3
7*4=28
3/36 + 28/36 = 31/36
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-b+10a-5 in standard form
ludmilkaskok [199]

Answer:

10a-b-5

Step-by-step explanation:

-b+10a-5 in standard form

is

10a-b-5

hoped this helped :)

7 0
3 years ago
1. Where will the line y = -1/2 -3 cross the y-axis?
soldier1979 [14.2K]

1) The y- axis is where x = 0, so the line "y = -1/2x - 3" will cross the y-axis when x = 0. You plug in "x = 0" into the equation, and get y = 0 -3, so y = -3. That means the line " y = -1/2x - 3" will cross the y-axis ar (0, -3)

2) If there are 2 parallel lines, then there is no solution, because the definition of parallel lines is, " 2 lines in the same plane, that never meet." That makes the solution inconsistent.

7 0
3 years ago
The school store sells erasers for $0.35 each and pencils for $0.15 each. Anthony spent $2.80 to buy a total of 12 erasers and p
Sergio039 [100]

Answer:

5 erasers.

Step-by-step explanation:

0.35e + 0.15p = 2.80

e + p = 12

e = 12 - p

0.35(12 - p) + 0.15p = 2.80

4.2 - 0.35p + 0.15p = 2.80

4.2 - 0.2p = 2.80

-0.2p = -1.4

-0.2p/-0.2p = -1.4/-0.2

p = 7

e = 12 - 7

e = 5

4 0
2 years ago
Helpppppppppppppppppppppppp
motikmotik

Answer:

1A, 2C, 3X, 4A, 5B, 6W, 7X

Step-by-step explanation:

Im not sure about these answers, can you have the same letter for a different number?

5 0
3 years ago
You are on the 2nd floor, go down 3 floors, and back up 7 floors. On what floor are you on now? *
scZoUnD [109]

Answer:

6th floor

Step-by-step explanation:

2-3+7

-1+7

6

3 0
3 years ago
Read 2 more answers
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