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Tems11 [23]
3 years ago
11

PLEASE HELP. 23 POINTS AND BRAINLIST.

Mathematics
1 answer:
Naya [18.7K]3 years ago
5 0

Answer:

Step-by-step explanation:

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What is 3 tenths greater than 80%
elena-14-01-66 [18.8K]

we know that


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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,

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70 = (233 + x) / 4

(233 + x) = 70 (4) = 280

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b) to get a B, the average score must be 80

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c) to get a A, the average score must be 90

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x = 360 - 233 =  127 (Ans)

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3 years ago
easy car rental charges $40 a day plus $.25 per mile race. rent a car charges $25 a day plus $.45 per mile. what number of miles
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