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KonstantinChe [14]
3 years ago
12

Add or subtract the following mixed numbers using the first method. Be sure your answers are in mixed number format and reduced

to lowest terms. 3 3/8 + 2 1/6 =
Mathematics
1 answer:
Paraphin [41]3 years ago
5 0
We have the number here are 3 3/8 and 2 1/6
by using the first method,
multiplying 3/8 with 3/3 and 1/6 with 4/4 we get 9/24 and 4/24 so,
3 9/24 + 2 4/24 = (3+2) and (9/24 + 4/24)
when adding 3 and 2 we get 5 and adding 9/24 and 4/24 we get 13/24
so the answer is 5 and 13/24
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-4.5x-2y=-12.5 3.25x-y=-0.75<br> solve by elimination
creativ13 [48]
-4.5x-2y=-12.5 and 3.25x-y=-0.75
we first multiply the second equation by -2
(-2)*(3.25x-y=-0.75)=-6.5x+2y=-1.5
add the equation to eliminate the y
so yo get (-4.5x-6.5x)=(-12.5-1.5)
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now we plug in x into any equation to solve for y
-45x-2y=-12.5 and x=1
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then your answer is x=1 and y=4
5 0
3 years ago
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