7x(x+1.8)=0
7x+12.6x=0 (Distributed)
19.6x=0 (Added like terms)
x=0 (Divided 0 by 19.6)
I hope that helps
Answer:
81
Step-by-step explanation:
Let's do this systematically:
Four numbers: a, b, c, d
Whose mean is 85: 
Whose largest number is 97: 
Lets solve for the other numbers:
a+b+c+97 = 85*4 = 340
340 - 97 = 243
a+b+c = 243
at this point it doesn't matter what the numbers are, they just need to add up to 243.
We can do 243÷3=81, which is our answer
Answer:
96million
Step-by-step explanation:
48/6=8
12 000 000 * 8 = 96 000 000
=96 million
Answer:

Step-by-step explanation:




Answer:
88 sq.in
Step-by-step explanation:
<u>Area of trapezoid = 1/2 (b1 +b2) x h</u>
<u>In this figure:</u>
b1 = 18 in, b2 = 4 in, h = 8 in
<u>So:</u>
A = 1/2 (18 + 4) x 8
A = 1/2 (22) x 8
A = 11 x 8
A = <u>88 sq.in</u>