Answer:
He did not test it against anyone who did not drink milk before bed and he tested it on a relatively small number of people. In order to have more accurate results he should include more people in the study and should test it against the same number of people who haven't drank milk before bed. He should also take into account the amount of milk that they drank before going to bed.
The <em><u>correct answer</u></em> is:
$280 per month.
Explanation:
Increasing the tuition by 5% means taking 100% of the original number plus an additional 5%; 100+5 = 105% of the original amount.
105% = 105/100 = 1.05; to find 105% of 3200 we multiply it by 1.05:
3200(1.05) = 3360
Since she saved the same amount monthly, we divide the expected total by 12 to find this amount:
3360/12 = 280
Answer:
42+x=90
Step-by-step explanation:
Complementary angles are when their measures add up to 90°
Therefore, if angle a is 42° you would find angle b by subtracting 42° from 90° which is shown in equation number three.
We are assuming that the initials are different. Let them be A, B, C, D.
Clearly ABCD is the only possible outcome where the letters are in alphabetical order.
The total number the outcomes, is the number of permutations of these 4 letters.
The first letter can be any of the 4, the second, any of the 3 left (after having picked the first one), the third any of the 2 left (after picking the second one), and the fourth one is only 1 possibility.
So the total number of outcomes (permutations) is 4*3*2*1=24
P(alphabetical order)=1/24
Answer: 1/24
