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andreyandreev [35.5K]
3 years ago
6

What will be the coordinates of N after a 90° counterclockwise rotation around the origin?

Mathematics
1 answer:
USPshnik [31]3 years ago
4 0

Answer:

A. (-7,-3)

D.(-3,-7) If clockwise

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How can you tell if a fraction is a perfect square?
zimovet [89]

Answers: A fraction is a perfect square if it's reduced version (of an improper fraction if the number is greater than 1) has both numerator and denominator numbers that are perfect squares. IE: 25/36 is a perfect square because both 25 and 36 are perfect squares.

Step-by-step explanation:

So for example 5/25 is a perfect square but 2/5 wouldn't be a perfect square.

Tell me if this helped you

7 0
3 years ago
What are the zero(s) of the function f(x)=<img src="https://tex.z-dn.net/?f=%5Cfrac%7B4x%5E%7B2%7D-36x%20%7D%7Bx-9%7D" id="TexFo
Contact [7]

Answer:

D

Step-by-step explanation:

The function will be zero when the numerator is equal to 0. So, set the numerator equal to 0 and solve:

0 = 4 {x}^{2}  - 36x

I will use the quadratic formula:

\frac{ 36  +  \sqrt{ {36}^{2}  - 4(4)(0)} }{2(4)}  \\  \frac{  36 + 36}{8}  = 9

Therefore, x = 9 is a 0. Let's check with subtracted root now:

\frac{ 36   -    \sqrt{ {36}^{2}  - 4(4)(0)} }{2(4)}  \\  \frac{ 36  -  36}{8}  =  0

It appears 0 is also a root.

Therefore, the answer is D.

7 0
3 years ago
A store has 510 pieces of candy. The candy is in bags of 10 to sell. How many bags of candy will the store need?
jok3333 [9.3K]

Answer:

Step-by-step explanation:

510 pieces of candy, and candies can be sold in bags of 10.

Dividing 10 into 510 will give us our answer, which is 51.

7 0
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Your answer should be:
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3 years ago
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