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gogolik [260]
3 years ago
15

Solve by any method {3x+2y=11 {x-2=-4y PLEEEAASSSEEEE HELP ME!

Mathematics
2 answers:
LenaWriter [7]3 years ago
8 0
The answer is.

X = 4
Y = .5
bixtya [17]3 years ago
3 0

Answer:

Step-by-step explanation:

(x,y)=(4,-1/2)

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1) Omar has scored 85, 71, and 77 on the first three exams in his math class. If the standard 70,80,90 scale is used for grades
Rus_ich [418]

Answer:

a. 47

b. 87

c. 127

Step-by-step explanation:

Assume a total of 4 exams ( first 3 plus a final)

Let final score be X,

Hence,  average score = (85 + 71 + 77 + x) / 4 = (233 + x) / 4

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6 0
2 years ago
Can someone please check my work :)
valina [46]

Answer:

You are incorrect the answer is 3 1/4

4 0
3 years ago
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