6.5 hours is equal to:
60 mins x 6 + 30 mins = 390 mins
------------
42.25 / 390 = 13/120
------------
Now there are 60 minutes in an hour, so what we do is multiply 13/120 by 60 to find out how much you earn per hour...
13/120 x 60 = 6.5
--------------
You earn $6.50 per hour.
Answer:
(c)
<u>Total number of beads:</u>
(i)
<u>Probability of 2 red:</u>
- P(RR) = 15/25*15/25 = 9/25
(ii)
<u>Probability of no 2 red:</u>
- P(R'R') = 1 - 9/25 = 16/25
Answer: ABCD is a quadrilateral
To prove : ∠AOB=
2
1
(∠C+∠D)
AO and BO is bisector of A and B
∠1=∠2∠3=∠4...(1)
∠A+∠B+∠C+∠D=360
(Angle sum property)
2
1
(∠A+∠B+∠C+∠D)=180...(2)
In △AOB
∠1+∠3+∠5=
2
1
(∠A+∠B+∠C+∠D)
∠1+∠3+∠5=∠1+∠3+
2
1
(∠C+∠D)
∠AOB=
2
1
(∠C+∠D)
Explanation: In a quadrilateral ABCD. AO and BO are bisectors of angle A and angle B respectively. Prove that ∠AOB=
2
1
{∠C+∠D}.
Answer:
The circumference is 62.8 cm.
Step-by-step explanation:
To find the circumference, use 3.14 * 20 = 62.8
