Answer:
=15.4
Step-by-step explanation:
6^2+(3.4)-24 = 36+3.4−24
36+3.4−24
39.4−24
=15.4
Answer:
−2by^3 + b^2 − by − 4y/b − 2y
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The relationship between the 7's is not different in any way because the sevens are all in the same place. The sevens are in the hundreds and thousands place.
Answer:3
Step-by-step explanation:
The answer is 3 because we know were adding
Answer:

Step-by-step explanation:
3 envelopes having 2 red card
2 envelopes having 1 red card and 1 black card
1 envelope having 2 black cards
We are given that . An envelope is selected at random and a card is withdrawn and found to be red.
So, No. of ways of envelope having red card = 3+2 = 5
No. of required ways of envelope having 1 red card and 1 black card = 2
So, probability of getting an envelope having 1 red card and 1 black card = 
Hence The chance the other card is black is 