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il63 [147K]
4 years ago
7

Given the function f(x) = 2/3 * x - 5 , evaluate f(9)

Mathematics
1 answer:
lora16 [44]4 years ago
3 0

Answer:

1

Step-by-step explanation:

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I think of a number times it by 2 and minus 2 my answer is nine
Vikki [24]

Answer:

5.5

Step-by-step explanation:

5.5 times 2 equals 11 minus 2 equals 9

4 0
2 years ago
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a student gets 86 problems on test correct and gets a grade of 98%. how many problems were on the test?
sashaice [31]
You could set up a proportion 

86/x = 98/100

Then solve for x, I'll do it by cross-multiplying. 

86 times 100 divided by 98 = 87.755102

87-88 problems 

5 0
3 years ago
Which shows all the like terms in the expression? <br><br> 4x -3+7x + 1
vaieri [72.5K]

Answer:

4x and 7x; -3 and 1: these are like terms

Step-by-step explanation:

when finding like terms, look for same variables.

6 0
3 years ago
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Find the length of x.
jenyasd209 [6]
This is one of the photos I used to answer, I’m going to send the second one

6 0
3 years ago
PLs hElP gIvInG DUE TODAY 23 points
taurus [48]

Answer:

Answer down below!

Step-by-step explanation:

1) 10

2) 4

3) 6

----------------

1 ) we know that perimeter = all the sides combined.

  • 12+12+10+10=44
  • (44 is the given perim.; so therefore if 12x2+10x2=44, 20 is the missing width.

2 ) we know that area = lw.

  • 10x4= 40
  • 44 is the given area, so therefore if 10x4=40, 4 is the base.

3 ) we know that area = lw.

we need to find the area of the square. 3 x 2 = 6. 6 is the area of the missing square or the part that needs to be covered.

4 0
2 years ago
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