Answer:
<h2>answer c: 10</h2>
Step-by-step explanation:
v=H*W*L
280=7*W*(6+W)
280=42W+7W^2
40=6w+w^2
W^2+6W-40=0
(W-4)(W+10)=0
W=4
We can only use positive results
L=6+W
L=4+6=10
=10
There is only one repeating number, so we multiply both sides by
or
.
Now subtract the original number we had to both sides, which is the same as
or
So we have:
Divide 9 to both sides:
Multiply the fraction by 10 to get rid of the decimal in the numerator.
Simplify the fraction by dividing the numerator and denominator by 2:
The answer should be 38! Explanation: the surface area of the rectangles is 6+8+12. The surface area of the triangles is 6+6. Add it all together and you have 38.
Answer:
Kathryn thinks that the 3 is the age and the 10 is how many are that age. 10 is thr age and the 3 "x's" are how many people are 10 years old.
Hope this helped!
Line c it is a reflection of line b
