Answer:
x ∈ [-2, 7]
Step-by-step explanation:
The given equation ...
x^2 -5x -4 ≤ 10
can be rewritten as ...
x^2 -5x -14 ≤ 0
and factored as ...
(x +2)(x -7) ≤ 0
Clearly, the "or equal to" condition will be met when x=-2 and x=7. For values of x between these numbers, one factor is negative and the other is positive. Hence the product will be negative. So, numbers in that interval are the solution set.
x ∈ [-2, 7]
Answer:
Step-by-step explanation:
How do you simplify fractions with odd numbers? Find the greatest common factor of both the numerator and denominator. Divide the numerator by the GCF. The result will be the simplified numerator.
Ratio is demonstrated by " : " sign.
Ratio of cheese: pepperoni
45:20
Simplify and divide each side by 5
9:4
A. 9:4
Hope this helps :)
n - 4 = 16 Given
+ 4 + 4 Cancel out 4 to isolate n variable
n = 20
Prove.
20 - 4 = 16
16 = 16
True.
You use cars for much longer than you use a tuxedo. A tuxedo is once-off, whereas cars you use for days and days and days... After a while, the <span>$</span>20 you pay per day is going to add up!
