Answer:
1) C
2)C
3)B
4)A
Step-by-step explanation:
1) Circle
Solve for area
A≈28.27cm²
d=Diameter 6cm
Using the formulas
A=πr2
d=2r
Solving for A
A=1
4πd2=1
4·π·62≈28.27433cm²
2)
To calculate 5% of a number, simply divide 10% of the number by 2. For example, 5% of 230 is 23 divided by 2, or 11.5.
Answer:
a^2 - b^2
Step-by-step explanation:
a ( a - b ) + b ( a - b (
= a^2 - ab + ba - b^2
= a^2 - ab + ab - b^2
= a^2 + 0 - b^2
= a^2 - b^2
Reciprocal of -32/7 = -7/32
V = PI x r^2 x h/3
v = 3.14 x 4.5^2 x 12/3
v = 3.14 x 20.25 x 4
v = 254.34
Answer = 254 in^3
Answer: 6
Step-by-step explanation:
2×2=4
4+2=6