Answer:
4y^(2)+14y+31
Step-by-step explanation:
First you need to do (y+7)(y+7)
y^2+7y+7y+49
y^2+14y+49
Add it all together
y^2+14y+49+3y^2-15
4y^(2)+14y+31
Lets first look at the formula, then substitute for the formula, then solve. lets do it:-
A = lw
A = Area
l = lentgh
w = width
A = lw
l = 6.62 meters
w = 4.55 meters
A = lw
A = 6.62 × 4.55
A = 30.121 meters
So, the area of this section is 30.121 Meters.
Hope I helped ya!! xD
Answer:
solution given:
length[l]=3 in
breadth [b]=5in
height [h]=8in
total surface area of the rectangular prism=?
we have
total surface area of the rectangular prism
=2[lb+bh+lh]
=2[3*5+5*8+3*8]
=158 in²
<u>total surface area of the rectangular </u><u>prism</u><u> </u><u>is</u><u> </u><u>1</u><u>5</u><u>8</u><u> </u><u>in²</u><u>.</u>
Answer:
5
Step-by-step explanation:
3+9x=11x-7
subtract 9x from both sides
3=2x-7
add 7 to both sides
10=2x
divide by 2 on both sides
5=x
Basically anything greater than zero...k>0
