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Mama L [17]
3 years ago
10

How to rotate 90 degree counterclockwise

Mathematics
1 answer:
Stella [2.4K]3 years ago
3 0
Rotate once to the left side
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azamat

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60 degrees

Step-by-step explanation:

4 0
3 years ago
in a test consisting of 90 questions, Ama answered 75% of the first 40 questions correctly. If she had to get a score of 80% in
Shalnov [3]

Answer:

total question =90

she obtained 75% of first 40 questions

  1. No. of question she got correct in first 40 = 75% * 40 = 30

2. in order to get 80% out of 90,

the no. of questions got correct by Ama = 80% * 90 = 72

3. As she already got 30 c0rrect in first 40 questions, the number of question she needs correct for remaining 50 = (72-30) = 42

percentage = 42/50*100% = 84%

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3 years ago
Why is a variable exponent a number plus a variable adds eg: (x)*+(x) =?<br>​
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3 years ago
Solve the measure of an angle is 161°. what is the measure of a supplementary angle?
lions [1.4K]
Supplementary angles sum up to 180°, suppose the supplement of 161° is x. Then
161+x=180
solving for x we subtract 161 from both sides
161-161+x=180-161
x=19
thus the supplement is 19°


4 0
3 years ago
Complete the square to solve the equation below x2+2x-9=15
Ilia_Sergeevich [38]
A. x = -1; x = 3
B. x = 5; x = -4
C. x = -1; x = 4
D. x = -6; x = 4

: Hope this helps :)
7 0
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