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miskamm [114]
3 years ago
11

Solve this pls. ill give a brainly

Mathematics
1 answer:
Levart [38]3 years ago
3 0

Answer:

-3 1/4 + 4 3/4

Step-by-step explanation:

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Simplify:
adelina 88 [10]

Answer:

The answer is 63, but there is no option of the answer

Step-by-step explanation:

Please give me brainliest ;)

4 0
3 years ago
Read 2 more answers
The South Memorial School is designing a new playground. There will be a walkway that diagonally crosses the square playground.
cestrela7 [59]
The playground is a square, so there will be a right triangle formed by diagonal and two sides. So sides length²*2=diagonal length². So the side length is 38.9 meter.
4 0
3 years ago
All questions to be solved using linear combination.
monitta
1)
I:x-y=-7
II:x+y=7

add both equations together to eliminate y:
x-y+(x+y)=-7+7
2x=0
x=0

insert x=0 into II:
0+y=7
y=7

the solution is (0,7)

2)
I: 3x+y=4
II: 2x+y=5

add I+(-1*II) together to eliminate y:
3x+y+(-2x-y)=4+(-5)
x=-1

insert x=-1 into I:
3*-1+y=4
y=7

the solution is (-1,7)

3)

I: 2e-3f=-9
II: e+3f=18

add both equations together to eliminate f:
2e-3f+(e+3f)=-9+18
3e=9
e=3

insert e=3 into I:
2*3-3f=-9
-3f=-9-6
-3f=-15
3f=15
f=5

the solution is (3,5)

4)
I: 3d-e=7
II: d+e=5

add both equations together to eliminate e:
3d-e+(d+e)=7+5
4d=12
d=3

insert d=3 into II:
3+e=5
e=2

the solution is (3,2)

5)
I: 8x+y=14
II: 3x+y=4

add I+(-1*II) together to eliminate y
8x+y+(-3x-y)=14-4
5x=10
x=2

insert x=2 into II:
3*2+y=4
y=4-6
y=-2

the solution is (2,-2)
8 0
3 years ago
Use the quadratic formula to solve 4x^2 - 8x - 60 = 0
zhannawk [14.2K]
A. You can factor it to those terms
4 0
3 years ago
If one line has a slope of 2/3, then the slope of a line parallel to it would be?
ipn [44]

-3/2

perpendicular slopes are those that are opposite sign and reciprocal of the original given slope

8 0
3 years ago
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