x • 4^8 x
———— = ———— = x • 4^3 = x • 64 = 64x
4^5 4^(-3)
message me for a detailed explanation if you would like!
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➷ Find the cost per pen by dividing:
300/10 = 30
It costs rs 30 for one pen
1 dozen = 12
2 dozens = 24
Multiply the values:
24 x 30 = 720
The cost of 2 dozen pens is rs 720
However, as it is asking for 'how much more' you have to subtract:
720 - 300 = 420
The cost is rs 420 more
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N=8+d
10d+5n=145
divide 2nd equaiton by 5 to make nicer and easier
2d+n=29
subsitute 8+d for n in 2nd equation
2d+8+d=29
3d+8=29
minus 8 both sides
3d=21
divide by 3
d=7
sub back
n=8+d
n=8+7
n=15
15 nickles and 7 dimes
Answer:
0.4
Step-by-step explanation:
The question is not complete, the correct question is:
Two events, X and Y, are independent of each other. P(Y) = 5/6 and P(X and Y) = 1/3. What is P(X) written as a decimal? Round to the nearest tenth, if necessary
Answer: Two events (event X and event Y) are said to be independent if the probability of event X occurring does not affect the probability of event Y occurring and vice versa. If the probability of X = P(X) and the probability of Y = P(Y), therefore P(X and Y) = P(X) × P(Y).
Given that P(Y) = 5/6 and P(X and Y) = 1/3. Therefore:
P(X and Y) = P(X) × P(Y)
Making P(X) the subject of formula by dividing through by P(Y) gives:
Its the second answer because it's the only one with o closed circle
