Answer:
Step-by-step explanation:
Givens
Number not using given app = 71
Total number of students = 219
% = ?
Solution
P(~given app) = 71 / 219
P(~given app) = 0.324
% = 0.324 * 100 = 32.4%
Answer
32.4% do not use Given App
Perform indicated operations on left side
x*x+4x+4x+4*4=9
x^2+4x+4x+16=9 combine like terms on left side
x^2+8x+16=9 subtract 9 from both sides
x^2+8x+7=0 factor
x^2+x+7x+7=0
x(x+1)+7(x+1)=0
(x+7)(x+1)=0
x=-1, -7
Answer:
adjectives
Step-by-step explanation:
There is more of the big number
Answer:
x=-9
Step-by-step explanation:
1. 7-3x=34
2. Subtract 7 from both sides to get -3x=27
3. Divide by -3 from both sides to get x by itself which turns out to be x=-9, for 27÷(-3)=-9