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olga nikolaevna [1]
4 years ago
12

Correct answers only please!

Mathematics
1 answer:
Naily [24]4 years ago
7 0

Answer:  

1st Question

A. 85

2nd Question  

B. 71

Step-by-step explanation:

1st Question

{90 + 94 + 96 + 90} = 370/4 = 92.5

{95 + 99}                  = 194/2 = 97

{87 + 75 + 82 + 85} = 329/4 = 82.25

{71}                =  71/1               = 71

.20(92.5) +.25(97) +.30(82.25) +.25(71) = 85.175  Rounded-up = 85

___________________________________________________

2nd Question  

.10(95) +.20(80) +.50(67) +.20(60) = 71

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baherus [9]

Answer:

1/30

Step-by-step explanation: There are 30 students 19 play instr, 10 play spor,

8 who do both. Their is one student that was left out so the answer is 1/30

8 0
3 years ago
12=5x-13x-44. answer it in multi-step equations
fomenos

12=5x-13x-44

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12 = -8x -44

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56/-8 = x

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5 0
3 years ago
Read 2 more answers
Find all the zeros of the polynomial 2x4 - 9x3 + 5x2 + 3x -1, if two of its zeros are ( 2 +√ ) and (2 - √ ) .
elena-s [515]

Answer:

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Hope this helps!

8 0
3 years ago
Help pls fast
Andrews [41]

Answer:

32.40cm²

Step-by-step explanation:

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6 0
3 years ago
A student scored 88 and 97 on her first two quizzes find the possible values for the third quiz to score that will give her an a
Katyanochek1 [597]

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4 0
4 years ago
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