Answer:0.81
Step-by-step explanation:
A: Given teenager owns a skateboard. P(A) = 0.48
B: Given teenager owns roller blades. P(B) = ? - we dont know and dont need
AB: Given teenager owns a skateboard and roller blades. P(AB) = 0.39
P(B/A) = P(AB)/P(A) = 0.39/0.48 = 0.8125
Answer:
D.
Step-by-step explanation:
All of the above transformations can be done
1) a translation placing point O onto point O1
2) a rotation about M
3) a reflection across line t
Answer:
60%
Step-by-step explanation:
To find the total pass = 65 * number of student that passed, let it be be represented by P and number of students that failed F
Total pass = 65p
And total fail = 35F
For the total pass and failure will be 53(P+F)
Equating to total pass and total fail
65P +35F = 53( P+ F)
65P+35F = 53P+ 53F
65P-53P =53F-35F
12P=18F
2P= 3F
Hence there are 3 passing scores for every 2 failure scores, hence there are a multiple of 5 scores and the same multiple of 3 passing scores.
3/5 * 100= 60%
Answer:
Loss %age = 25%
Step-by-step explanation:
<u><em>Cost Price of Item</em></u> = 250,000/-
<u><em>Loss </em></u>= 1/4 = 0.25 of 250,000
=> 62,500 /-
<u><em>%age Loss</em></u> = 
=> 62,500 * 100 / 250,000
=> 6,250,000/250,000
=> 25 %
Answer:
Step-by-step explanation:
I have to say that there is not enough givens to prove anything. If the statement given is all there is, then many things can be proven.
One
All you are given is that the diagonal is bisected. It does not mean that the other diagonal is bisected without more information. All you can prove is that DH = HF Definition of a midpoint.
Two
For the second one KO bisects JKM. What that means is that the two smaller angles are equal. Bisects means cuts in half.
JKO = KOM. KO cuts JKM in half The reason is definition of bisect.
Three
This one actually can prove some something.
AB = BC which equals AC
BC = CD which equals BD
Therefore AC = DB
This is the associative property of equality. So far it is the hardest one.
Four
DE perpendicular to EF
Join DF A triangle is formed by construction.
Triangle DEF if s a right triangle. Perpendiculars form right angles.
