<span>x² – x + 8+ 10x² + 7 = 11x²-x+15
answer A</span>
Answer:
12x^3 -28x^2 -21x +30
Step-by-step explanation:
1) Distribute!
(6x-5)(2x^2-3x-6) = 12x^3 -18x^2 - 36x -10x^2 +15x+30
2) Combine like terms!
12x^3 -18x^2 - 36x -10x^2 +15x+30 = 12x^3 -28x^2 -21x +30
Answer is:
12x^3 -28x^2 -21x +30
Hope it helps!!
Answer:
71 m
Step-by-step explanation:
To find the answer all you need to do is take the width, w, and divide the area, a, to get length, l.
Answer:
a) XY and BD are paralel and they are on the same side in relation to AB line
b) Lines XB and XC have the same size and are supported by the same line BC, therefore XBC and XCB have the same angles, therefore XCB is also 55º.
The sum of all angles of a triangle is 180 so BXC is 180 - 55 - 55.
180 - 110 = 70º
BXC = 70º... probably
Step-by-step explanation:
Answer:
Step-by-step explanation:
MA²=MX²+AX²
=20²+21²
=400+441
=841
MA=√841=29
