Answer:
Step-by-step explanation:
I'm going to presume you want this linear equation in slope-intercept form, so start with:
Subtract from both sides of the equation:
Subtract from both sides of the equation:
Divide both sides of the equation by the coefficient of , which is :
Simplify:
Answer:
840cm^2
Step-by-step explanation:
Volume: Area of cross section x length
Area of cross section:(15 x 8 + 4x 5 )
length: 6
So volume:
(15 x 8 + 4x 5 ) x 6 = 120 + 20 X 6 = 140x6 = 840cm^2.
Hope this helps.
Good Luck
Answer: x = 8
<u>Step-by-step explanation:</u>
4x + 18 + 5x = 90
9x + 18 = 90 <em>Added like terms</em>
9x = 72 <em>Subtracted 18 from both sides</em>
x = 8 <em>Divided both sides by 9</em>
BONUS: The sum of these two angles is 90°, which means these angle are complementary.
Answer:
solve by using pythagoras theorem then
square on both side
If we multiply the top equation by -4 we can get rid of the x so:
-4x+20y=-12
4x-4y=12
Add these up
16y=0
Y=0
X=3