ANSWERS:
2
−
4
−
2
1
x^{2}-4x-21
x2−4x−21
Grouping
1
Use the sum-product pattern
2
−
4
−
2
1
x^{2}{\color{#c92786}{-4x}}-21
x2−4x−21
2
+
3
−
7
−
2
1
x^{2}+{\color{#c92786}{3x}}{\color{#c92786}{-7x}}-21
x2+3x−7x−21
2
Common factor from the two pairs
3
Rewrite in factored form
Solution
(
−
7
)
(
+
3
)
Answer:
12
Step-by-step explanation:
Use the Pythagorean theorem, a² + b² = c², where a and b are legs of the right triangle and c is the hypotenuse.
The answer to 2/3 x 1/2 is 2/6 or 1/3
To find the decimal form you just have to divide 1 by 3
You get 0.3333333333........ repeating
So just put a repeating bar over 3 in 0.3
Answer:
170 in^3
Step-by-step explanation:
Use volume of a cylinder and the knowledge of
r = 3
and h = 6 to solve
v = pi(r)^2*h