Answer:
Step-by-step explanation:
y= 2x+4.
-x- 5y=2x+4
-2x+y=4
-3x-5y
Let
x------> height of Leon's older brother
y------> height of Leon
Convert mixed number to an improper fraction
we know that
-----> equation A
-----> equation B
substitute equation A in equation B
Convert to mixed number
therefore
<u>the answer is</u>
Answer:
10
30%
Step-by-step explanation:
In this case it would be the combination of 2 taken from 5.
That is, when n = 5 and r = 2
nCr = n! / r! * (n-r)!
replacing
5C2 = 5! / (2! * 3!)
5C2 = 10
Which means that the sample space is 10 possible combinations.
the probability that the card you draw is even is 3/5, since there are 3 even cards that exist and 5 is the total number of cards.
Now, so that both are for it would be the multiplication of the previous probability and 2/4 because an even card and a card in general have already been drawn:
(3/5) * (2/4) = 0.3
So the probability that both are even is 30%
3÷ 8 ·z
3/8 ·z
3/8z
I think i'm just supposed to simplifiy it??
No he would get back $4.56. Start with $20 -13.59-1.85=4.56