Answer:
I'm going for the third one (-1/2)
hope this helped you
ANSWER
0.0952
EXPLANATION
We have that Stephen surveyed 21 of his classmates and obtained the data in the table given.
To find the probability for which a randomly selected classmate has 3 credit cards in their wallet, we have to divide the number of people that had 3 credit cards in their wallet by the total number of people surveyed.
From the frequency table, we have that only 2 classmates had 3 credit cards in their wallets.
Therefore:
That is the answer.
Answer:
No solutions
Step-by-step explanation:
2(x+1)=2x+5
Expand the parentheses:
2x+2=2x+5
Subtract 2x from both sides:
2=5
Since this is not true, this equation has no solutions. Hope this helps!
Answer:
x=7
Step-by-step explanation:
-3-(-8)-(-2)=x
5-(-2)=x
7=x
when you subtract a negative it turns into a positive
Answer:
55.55%= boys & 44.44% = girl
Step-by-step explanation:
1000/(1000+800)=1000/1800=.5555 or 55.55% are boys
800/(1000+800)=800/1800=.4444 or 44.44% are girls.
Therefore, 55,55% are boys and 44.44% are girls.