Answer: surface area = area of BASE + 1/2 × perimeter of base × slant HEIGHT.
Answer:
I think it's red
Sorry dont understand the question
(5k²)³
(5³)(k²)³
125k⁶
The answer is D.
There will be eight marbles on the 9th line
Answer:
x = 30 in
Step-by-step explanation:
length of rectangle is (2/3)x + 10; width is (1/3)x + 5;
perimeter is 90 in; find x:
P = 90 in = 2(2/3)x + 2(10) + 2(1/3)x + 2(5), or
90 in = (6/3)x + 30 in
Solving for x, we get (2)x = 60 in, or x = 30 in
