Answer:
12a + .5B
B= -6a
a=.042B
Step-by-step explanation:
1/2(6a+B)= 12a+.5B
1/2(6a+B)=0
-12a=.5B
-6a=B
12a=-.5B
a=.042B
True every diameter of a circle is a chord.
hope it helps
Answer:
45
Step-by-step explanation:
avg=42+43+46+49/4
avg=180/4
n=45
Answer:
$.52
Step-by-step explanation:
1) The unit rate is the price for each individual object
2) If we have 20 rolls then we must decide the price of the 20 rolls by 20
3) 20/38.15 = $.52