Answer: 4
Step-by-step explanation:
The power of the brain
Okay. Basically, a is greater than or equal to 9.
First, you do distribute the 2.
8a+2-10a(< or =)20
Subtract two on both sides.
8a-10a(< or =)18
Then subtract 10a from 8a
-2a(< or =)18
Divide by two on both sides
and switch around the greater than sign since you divided by a <span>-2
</span>a(> or =)-9
<span>And if you check, -9 works, -8 works, and -10 doesn't work.</span>
Answer:
The answer is C. 736 in.
Step-by-step explanation:
A=2(wl+hl+hw)=2·(4·60+2·60+2·4)=736
Square root of 48= Square root of 16 times 3= 4 Square root of three. The square root of 48 is an irrational number!
2w-7=9
+7=+7
2w=16
2w/2=16/2
w=8
