Answer:
The answer is 27
Step-by-step explanation:
The reason being, you can solve this 2 ways.
1) Combine like terms, 7a-4a = 3a.
Now just substitute (a=9) into 3a.
3 * (9) = 27.
2) Or just substitute a = 9 into the original expression.
7 * (9) - 4 * (9)
= 63 - 36 = 27
If x number of tickets and y is the number of people (5000)
75x=5000
5000\75= 66.66 repeat
so x equals 66.66
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Answer:
Mario ate 27.27% of her cookies
Answer:
A) no solution
Step-by-step explanation:
<em>1. X + 1 and X -1 -1 do </em><em>not equal</em>
<em>2. This </em><em>equation does not provide enough facts</em><em> to be able to solve this</em>
<em>3. It is a </em><em>trick question</em><em> </em><em>don't fall for it</em>
<em></em>
<em>Have a nice day!</em>
Answer:
1. 0.1635
2. 0.0026
Step-by-step explanation:
The computation of the probability in the following cases are as follows:
1.
Given that
Mean = 25 minutes
ANd, the standard deviation is 6.1 minutes
So here the z score would be
= (31 - 25) ÷(6.1)
= 0.98
Now the probability is
= P(Z>0.98)
= 0.1635
2. the z score would be
= (8 - 25) ÷(6.1)
= -2.79
Now the probability is
= P(Z<-2.79)
= 0.0026
