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zaharov [31]
3 years ago
7

ariel has test scores of 90, 74, 82, and 90. The next test is the final exam, which counts as two tests. what score does the stu

dent need on the final exam to produce an average score of 90?
Mathematics
1 answer:
yawa3891 [41]3 years ago
7 0

Answer:116

Step-by-step explanation:

(90+74+82+90+x)/5=90

x=450-(90+74+82+90)

x=116

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Please help me with these two problems thank you!!​
andriy [413]

Answer:

1st question: y=1/3x-1

2nd question: y=-2/3x+9

Step-by-step explanation:

Y=mx+b form is what you are using

when a line in parallel to a line they have the same slop wich is m

when a line in perpendicular they have the opposite reciprocal

Examples: 2/5 opposite reciprocal would be -5/2

8 0
3 years ago
A city has a populationof 370,000 people. Suppose that each year the population grows 7%. What will the population be after 8 ye
maksim [4K]

Answer:

577,220 will be the population I think

Step-by-step explanation:

370,000/100=3700=1%

3,700*7=25,900

25,900*8=207,200

370,000+207,200=577,220

3 0
3 years ago
Please help me!!!!! :)
lora16 [44]

6 / (x + 6) = 10/15

10(x+6) = 90

10x + 60 = 90

10x = 30

x = 3

7 0
3 years ago
A magazine rack contains 5 sports magazines, 7 news magazines, and 10 fashion magazines. After a magazine is chosen, it is not r
LekaFEV [45]
2/22 to simplify 1/11 not sure though but I think that’s the answer u can double check though
6 0
3 years ago
How do you solve this?
ohaa [14]
-7x -7y = 21
Y = 6

Since they are giving you the value of 6 you just plug it in the equation

-7x - 7(6) = 21
-7x - 42 = 21
+ 42. +42

-7x = 63
/-7. /-7

X = -9
7 0
3 years ago
Read 2 more answers
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