Answer :-
Step by step explanation :-
- <u>Unitary</u><u> </u><u>method</u><u> </u><u>:</u><em><u>-</u></em><em><u> </u></em>
Cost of 10 balls = 36
Cost of one ball = 36 / 10 => 3.6
Cost of 48 balls = 48 × 3.6
=> 172.80
- <u>Direct</u><u> </u><u>Variation</u><u> </u><u>method</u><u> </u><u>:</u><u>-</u><u> </u>
No. of balls (a)
10
48
Cost of balls ( b)
36
y
Direct Variation ( a / b )
<em><u>Cost of 48 balls is 172.80 rupees </u></em>
<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>~</em>
Answer:
-63
Step-by-step explanation:
Answer:
Therefore the required probability is
Step-by-step explanation:
The probability of success is
The number of trial = 4
X= the items survive out of 4
p =the probability of success and q = the probability failure.
p= and
Therefore the required probability is
Answer:
8/pi or approximately 2.55 ft
Step-by-step explanation:
The formula for the circumference is
C = 2 * pi *r
16 = 2 * pi *r
Divide each side by 2 pi
16 / ( 2 pi) = 2 * pi * r/ ( 2 pi)
8 / pi = r
Using 3.14 for pi
8 / 3.14 = r
2.54777 = r
2.55 =r