Answer:
the answer is c.
Step-by-step explanation:
Answer:
(-7, -10)
Step-by-step explanation:
Substitute x for -7.
Multiply 4 by -7.
Add 28 on both sides.
Divide -4 on both sides.
Answer:
The number of test required is: 55
Explanation:
Using combination formula:
n!/x!(n-x)!
= 11!/2!(9)!
= 55
Answer:
A: 6
B: 16
C: 2
D: -12
Step-by-step explanation:
They are asking you to multiply the equations:
(3x^2 + 2x - 3)(2x + 4)
Distribute and you should get:
6x^3 + 16x^2 + 2x - 12
The Coefficients A,B,C, and D are 6, 16, 2, and -12.
Answer:
C. x=2
Step-by-step explanation:
-3(x-4)=2x+4-x
-3x+12=x+4
+3x +3x
-----------------------
12=4x+4
-4 -4
-----------------------
8=4x
-- ---
4 4
-----------------------
x=2
