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weqwewe [10]
3 years ago
15

Tracy answered all of the questions on the math test correctly. She scored 100 points, or 100%.

Mathematics
1 answer:
horrorfan [7]3 years ago
3 0

Answer:

120% = 120/100 = 1.2

Step-by-step explanation:

100 points = 100%, so 120 points = 120%

120% = 120/100 = 1.2

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Trig. Ratios of perimeters and areas.
fenix001 [56]

Answer:

8:9

Step-by-step explanation:

ratio of areas = (ratio of sides)²

64/81 = (ratio of sides)²

Square root both sides

8/9 = ratio of sides

5 0
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What is the equation of the line through the origin and (3, 4)?
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Answer:

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2 years ago
How do I do solving systems by substitution please help
Taya2010 [7]

Answer:

I believe the answer is x=-2, and y=3.

Step-by-step explanation:

Given: x-y=-5

Fill in: -2-3=-5

Calculate: -5=5

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

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7 0
3 years ago
Read 2 more answers
Find the mean absolute deviation for the set {-32, 9, 11, 12}
Zolol [24]
<h3>Answer:</h3>

A

Step-by-step explanation:

{-32, 9, 11, 12}

first, find the mean (Find the sum of the data values, and divide the sum by the number of data values )

(-32) + 9 + 11 + 12 = 0

0/0 = 0

then, find the absolute value of the difference between each data value and the mean: |data value – mean|.

-32 - 0= -32

9 -0 = 9

11 -0 = 11

12 -0 = 0

finally, find the sum of the absolute values of the differences. Divide the sum of the absolute values of the differences by the number of data values.

0 - 0 / 4 = 0

answer is 0 (A)

7 0
3 years ago
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mafiozo [28]
A = 1000(1.06)^t     where A is the amount of the investment after t years.
6 0
3 years ago
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