Cynthia can wallpaper a room in 4 hours and her brother can do it in 6 hours. How long would it take them if they work together
1 answer:
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Using the quadratic equation we get:
Factoring out 2 we get
Factoring out the imaginary number:
So b.
Factoring out 2 we get
Factoring out the imaginary number:
So b.
Answer:
x<56
Step-by-step explanation:
Since the dot over 56 isn't filled in, the inequality doesn't include 56 (so we'll use < or > not or
)
Now, let's look at the direction of the shading: is it going to the left of 56 or to the right?
This shading is to the left of 56, which indicates that it's all of the numbers less than 56.
As said above, the inequality doesn't include 56
therefore, it will be x<56 (x is less than 56, and 56 is not included)
hope this helps!