4.5 / 2 = 2.25cm radius for the smaller circle
3.14 (pi) × 2.25² = 15.89625cm²
10.5 / 2 = 5.25cm radius for the larger circle
3.14 × 5.25² = 86.54625cm²
86.54625 - 15.89625 = <span>70.65cm</span>²
The answer is 70.7cm².
Answer:
13 C
Step-by-step explanation:
15-2=13
Answer:
(B)21+3a
Step-by-step explanation:
An expression is said to be distributive when:
Given the algebraic expression: (7 + a)3
Applying the distributive property
An equivalent expression is 21+3a.
The correct option is B
Answer:
y-axis. noun
Step-by-step explanation:
a reference axis, usually vertical, of a graph or two- or three-dimensional Cartesian coordinate system along which the y- coordinate is measured.
Answer:
Step-by-step explanation:
18/100
0.18
18%
Solve the following problem. Write 18% as a fraction in simplest form.
First, write the percent as a fraction out of 100.
18/100
Next, you simplify this fraction. The greatest common factor of 18 and 100 is 2, so you divide both the numerator and the denominator by 2.
18÷2/100÷2=950
Then, check to ensure that the fraction cannot not be reduced further. In this instance it cannot.
The answer is 18% can be written as the fraction 9/50 in simplest form.
