Answer:
¼
Step-by-step explanation:
The probability of having a boy is ½ and that of a girl is ½.
Probability of boy, boy is (pb*pb) and given pb to be ½ then we can prove the point as follows
For these two children
The options are as follows
1 boy(first) and 1 girl
2 boys
2 girls
1 girl( first) and 1 boy
These are four possible options and the option for two boys is 1 out of the four.
The probability of 2 boys is ½*½=¼
175 pairs of skates are rented for 7 hours.
Step-by-step explanation:
Given,
Pairs of skated rented each hour = 25
Let,
Number of hours = h
Total pairs rented = T
T = Pairs rented each hour * number of hours
T = 25h
Evaluate the expression for 7 hours.
h = 7

175 pairs of skates are rented for 7 hours.
Keywords: multiplication, linear expression
Learn more about multiplication at:
#LearnwithBrainly
Answer:
simplify -1-18
Step-by-step explanation:
Subtract 18 from −1
−
19
Answer:
the first answer or a
Step-by-step explanation:
just believe meeeee
So the two possible original temperatures would be either -9 or 9.