Answer:
Step-by-step explanation:
you need to cancel out the brackets by multiplying -2.3 with every thing inside the brackets
Answer:
2x^2 -14x +7
Step-by-step explanation:
(4x^2 -5x + 1)-(2x^2 +9x-6)
4x^2 -5x + 1 -2x^2 -9x +6
we have:
2x^2 -14x +7
Answer:
$115.20
Step-by-step explanation:
Hi! We need to find 1% of 96 to multiply by 20.
96 / 100 = .96
Now we multiply by 20.
20 x .96 = 19.2.
Now, we add 19.2 to what she earned in the first place (96).
19.2 + 96 = 115.20
Hope this helps!
Answer:
Girl's basketball team has more seniors
Step-by-step explanation:
A varsity boy's basketball team has ratio of seniors to juniors that is 7:4.
Let there are 7x seniors and 4x juniors in boy's basketball team.
ATQ,
7x+4x = 12
11x = 12
x = 12/11
Seniors = 
The varsity girl's basketball team has a ratio of seniors to juniors that is 3 to 2.
Let there are 7x seniors and 4x juniors in girl's basketball team.
3x+2x = 12
5x = 12
x = 12/5
Seniors = 
As we can see that girl's basketball team has more seniors as compared to the boy's team.
So the problem wants to compute what could David should score in the fourth math test to ensure an average score of at least 90. So base on the score the possible total of the four score must be 360 to make their average of minimum of 90 so the answer would be letter B. X>93
