I believe it is 90 because when you take 30 minutes plus 30 minutes that makes 1 hour, and when you take 5 plus 5 equals 10. So, that means 10 every hour. So 10 times 9 is 90. Which gives you the answer of 90 mirror frames.

5 0

3 years ago

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4x -5y=-12 -x+5y= 18 what is the solution of this system of equations

nataly862011 [7]

Answer:

x= 2 y= 4

Step-by-step explanation:

look at the calculation in the picture

7 0

4 years ago

What is vertical line?

san4es73 [151]

A line that goes straight down

6 0

3 years ago

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What is the factorization of the trinomial -x2 - 2x +48​

What is the factorization of the trinomial -x2 - 2x +48