Answer:
Step-by-step explanation:
f(9)=5(9-3)(9-2)
=5*6*7
=210
Answer:
x = 4
Step-by-step explanation:
3x - 6y = 18
2x + 2y = 6 -> 3(2x + 2y = 6)
3x - 6y = 18 -> Cross out - 6y
6x + 6y = 18 -> Cross out + 6y
9x = 36 -> Divide 9 on both sides.
X = 4
<span>-0.25 if that is the right method.
</span>
<u>Answer:</u>
The area of one side of a disc is 314 square inches
<u>Explanation:</u>
Given the radius of the disc is 10 inches
The disc is in circular shape and the area of a circle is determined by
A =
, where
A is the area and r is the radius and π = 3.14
Substituting values in the formula,
A = 
A =
= 341 sq. inches
Therefore, the area of one side of a disc is 314 square inches
Answer: 3 (C-7)+2(3c+4)
Step-by-step explanation: Given
3(c - 7) + 2(3c + 4) ← distribute both parenthesis
= 3c - 21 + 6c + 8 ← collect like terms
= 9c - 13