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Alex787 [66]
3 years ago
12

78% of the class completed their homework last night. What fraction of the class completed their homework?

Mathematics
2 answers:
Artyom0805 [142]3 years ago
7 0

Answer:

\frac{39}{50}

Step-by-step explanation:

78% is .78 as a decimal and it is \frac{78}{100}.

\frac{78}{100} can be simplified to \frac{39}{50}

mixas84 [53]3 years ago
3 0

Answer:

\frac{39}{50}

Step-by-step explanation:

=> 78% makes:

=> \frac{78}{100}

<u><em>In simplest form:</em></u>

=>\frac{39}{50}

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Five-card poker hand is dealt at random from a standard 52-card deck.
Alisiya [41]

Answer:

Step-by-step explanation:

a) The probability that the hand contains exactly one ace

No of ways of selecting one ace and four non ace would be

=4C1 (48C4)\\\\= 778320

i.e. α=778320

b) the probability that the hand is a flush

No of ways of getting a flush is either all 5 hearts or clubs of spades or dice

= 4(13C5) = 5148

ie. β=5148

c)  the probability that the hand is a straight flush

In each of the suit to get a straight flush we must have either A,2,3,4,5 or 2,3,4,5,6, or .... or 9,10, J, q, K

So total no of ways = =9(13C5) 4\\= 46332

γ=46332

5 0
3 years ago
Please help me with this problem
denis-greek [22]

Answer:

alternate interior angles

Step-by-step explanation:

5 0
3 years ago
What is the value of x?<br><br> Enter your answer in the box.<br> x =
Karo-lina-s [1.5K]

Answer:

39

Step-by-step explanation:

you do 180 and subtract both values you already have 102 and 39. you get the answer of 39

4 0
3 years ago
Read 2 more answers
Z-m=z+bx , solve for b
KIM [24]

Answer:

b= (Z-m-z)/(x)

Step-by-step explanation:

Z-m=z+bx

Z-m-z=bx [Transpose z of R.H.S to L.H.S] / [Substract z from L.H.S and R.H.S]

(Z-m-z)/(x)=b [Divide by x on both sides i.e, L.H.S and R.H.S]

b= (Z-m-z)/(x)

Hope this helps you.

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