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pychu [463]
3 years ago
12

Zack had a grade of 90% on his geography test. If there were 70 points possible on the

Mathematics
2 answers:
sasho [114]3 years ago
7 0

Answer:

63 points

Step-by-step explanation:

70(.9)

63

olya-2409 [2.1K]3 years ago
6 0

Answer:

<h2><em><u>Brainliest plz</u></em></h2>

Step-by-step explanation:

70 points total

90% of the 70 points

70 x 90% = <u>63</u>

or

70 x 0.90 = <u>63</u>

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7.5x(D-2.5)for D=3.5
xxTIMURxx [149]

Answer:

7.5xd - 18.75x

Step-by-step explanation:

8 0
3 years ago
NEED HELP NOW!!!!
Dovator [93]

Answer:

f(x) = -3x --->#6

f(x) = |x-1|+3 --->#5

f(x) = √(x+3) --->#3

1/2x² --->#1

f(x) = (x+1)²-3 --->#4

4|x|--->#2

Step-by-step explanation:

Recall for transformations:

  • Adding a number outside the function moves it up
  • Subtracting a number outside the function moves it down
  • Adding inside the function moves it to the left
  • Subtracting inside the function moves it to the right
  • Multiplying to the function by a number less than 1 compresses
  • Multiplying to a function by a number greater than 1 stretched it
  • Multiplying by a negative flips the graph

f(x) = -3x

This is multiplication by a number greater than 1 and a negative so this stretches and flip. This is #6, a reflection.

f(x) = |x-1|+3

Subtraction inside the function shifts it to the right 1 and addition outside shifts it up 3. This is #5.

f(x) = √(x+3)

Addition inside the function shifts it to the left 3. This is #3

1/2x²

Multiplication by 1/2 which is less than 1 compresses it. This is #1.

f(x) = (x+1)²-3

Addition inside the function shifts the function to the left once. This is #4.

4|x|

Multiplying by 4, a number greater than 1, stretches it. This is #2.


5 0
3 years ago
-8 ( r + 6 ) = 7 ( r + 6 ) <br> solve the equation
tangare [24]


r=-6  

You have to use distributive property and multiply parentheses

5 0
3 years ago
What's the answer..............
ruslelena [56]
Aye the Answer is D ~hope that helps :)

7 0
3 years ago
Determine that table of values for these simultaneous equations.<br> 5x+y=7<br> 3x-y= 1
Leokris [45]

Answer:

What we suppose to be answering?

Step-by-step explanation:

8 0
3 years ago
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