Answer:
7.
I) must be true
II) 1 - 1 < 2 - 4 --> false
III) (-10)*(-10) < 1*1 --> false
IV) 1/2 < 2/10 --> false
So (B) 1 must be true
8.
x!·(x + 1)!/2 = (x + 1)!^2 / (2·(x + 1)) = (17 + 1)!^2 / (2·(17 + 1)) = 18!^2 / 6^2
(D)
9.
2·√3·6 = √((2·√3)^2 + 6^2)·h --> h = 3 --> (C)
300. if you sold a third. then 2/3 would be left. you can then infer each is 300. Hope This Helps.
Answer:
X=29
Step-by-step explanation:
48+74+2x=180
Solve for x by Isolating the variable by dividing each side by factors that don't contain the variable.
Then the answer turns out to be 29.
Answer: $440
Step-by-step explanation:
80*5 = 400
10% of 400 = 40
400 + 40 = 440
Ans. $440
Answer:
-42
Step-by-step explanation:
2^3+(2-10)-42
8+(-8)-42
0-42
= -42