Would love to help but dont understand
Set the quadratic = to 0 and solve for time, t:
-16t^2 - 8t + 20 = 0
Reduce this to:
-4t^2 - 2t + 5 = 0
Here a= -4, b= -2 and c =5. Then,
2 plus or minus sqrt( 4-4(-4)(5) )
t = ---------------------------------------------
-8
2 plus or minus sqrt(84)
= ------------------------------------
-8
Finish evaluating this. If either outcome is negative, discard it.
The result will be the number of seconds required for the ball to hit the grnd.
Let number = n
the sum of a number and 2: n + 2
is no more than: ≤
the product of 9 and the same number: 9(n)
n + 2 ≤ 9n is your answer
hope this helps
6 bc there would be 2 girls and 3 boys on each team
Answer:
After factorizing the given expression we get the value as 
.
Step-by-step explanation:
Given:
We need to factorize the given expression using GCF.
Solution:
Now GCF means Greatest common factor.
From the given 2 numbers we need to find the greatest common factor.
In the given expression GCF is 'x'.
Hence we can say that;
Hence After factorizing the given expression we get the value as .
