Answer:
<h2>A. A</h2>
Step-by-step explanation:
<, > - dotted line
≤, ≥ - solid line
<, ≤ - shaded region below the line
>, ≥ - shaded region above the line
========================================
Draw the solid line .
Shade region below the line.
for x = 5
for x = 0
Draw the dotted line
Shade region above the line.
for x = 0
for x = 4
<em>Look at the picture</em>
The solutions: A, C, D, K
Answer:
36pi
Step-by-step explanation:
The area of a circle is pi*radius^2, so 36pi. I am not sure if you want 3.14 as pi, or 3.1 as pi, so just substitute it in for the value your teacher said to use.
Answer:
3 and 7
Step-by-step explanation:
Answer:
12 yrs.
Step-by-step explanation:
let present age of girl=x
age of mother=x+18
after 6 yrs
age of girl=x+6
age of mother=x+18+6=x+24
according to the condition of question
(x+6)+(x+24)=54
2x+30=54
2x=54-30=24
x=24/2=12