Answer:
Step-by-step explanation:
Complete the square
+ 2x - 13 = 0
+ 2x = 13
+ 2x + 
= 13 +1 (take 1/2 of the b term , the 2 )
+ 2x + 1 = 14
(x +1)^2 = 14
Answer:
V(cylinder) = πr²h
h=3 cm
r=2 cm
V(cylinder) = πr²h = π*2²*3 =12π cm³
Answer : 12π cm³.
Answer:
The LCM of 3 and 7 is 21.
Step-by-step explanation:
Answer:
Profit = $6
Step-by-step explanation:
The box of apple that the man bought contained 100 apples.
These 100 apples were gotten for $44
Then he sold the 100 apples for $0.5 each.
So sales price = 0.5 * 100 = $50
To know if he made profit or loss.
Sales price - cost price
$50 - $44
= $6
This man made profit of $6 from the sales of the apples from the calculation above.
Answer:
Step-by-step explanation:
So A = the child is 5-10 years old and B = the child is 11-13 years of age and that covers all the children in the study. I = calcium intake is inadequate.
