MATHEMATICS HIGH SCHOOL

Which of the following statistical measures is least appropriate for describing the data set shown below? 1, 5, 5, 5, 6, 6.5, 7, 30

mean
mode
median

Answers

Answer 1
Answer: arrange data set in ascending order

1, 5, 5, 5, 5, 6, 6, 7, 30

mean = 7.78
mode = 5
median = 5

The least appropriate measure for describing the data set is MEAN. This is because it is affected by the outlier, 30.
Answer 2
Answer:

Answer:

Short answer shorter, its A: mean

Step-by-step explanation:

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The perimeter of a square is 20 ft. If you increase the length of the square by 2 feet and decrease the width by 1 foot, what is the area, in square feet, of the new figure

Answers

All 4 sides of a square are the same length.
If the perimeter of the square is 20-ft, then each side is 20-ft/4 = 5 ft.

If you increase the length of the square by 2-ft, then its new length is 5+2 = 7-ft.
 
If you decrease the width of the square by 1-ft, then its new width is 5-1 = 4-ft.

The area of the new figure is (length) x (width) = (7-ft x 4-ft) = 28 square feet.
The square before the transformation would have side lengths of 5 since 5*4=20
so increasing the length and decreasing the width would make the square a rectangle with dimensions 7×4.
a=LW
a=(7)(4)
=28ft²

Holly has watched 39% of a movie that is 122 minutes long. Which is the best estimate for the number of minutes of the movie that Holly has watched? 36 minutes 39 minutes 48 minutes 52 minute

Answers

Answer:

48 minutes

Step-by-step explanation:

Answer:

Step-by-step explanation:48

Given the Function:f(x) = -2e^x find f(x), if x=3
So far what I manage to grasp with this equation is
replacing the "x" with 3 So: f(3)= -2e^(3)
The answer ( using the scientific calculator) gave me -6
I have no Idea what are the other steps to this equation.

Answers

f(x)=-2e^x
x=3
f(3)=-2e^3
pemdas so exponents first
e^3
e=2.718281828454590
cube that
20.0855

now we have
-2 times 20.0855=-40.1711

answer should be -40.1711
(I see what you did wrong, if -6=-2 times e^3, divide -2, 3=e^3, maybe you just put -2 times 3 by mistake)
okay e^3 is 20.08553692 x -2 = 4.017107385
maybe you had your calculator on the wrong mode or entered it wrong

Which ratio is equivalent to 14/28 ?A.

1/2
B.
8/14

C.

1/3
D.
2/7

Answers

1/2 because 14/28 simplifys down to 1/2 enjoy!=)
well 7 goes into both of those numbers so 14 divided by 7 is 2 and 28 divided by 7 is 4 so the answer is 2/4 which equals 1/2 so its A.

The probability of a volleyball's team serve being out of bounds is 4/25. Based on this probability, how many serves out of 100 could we expect the team to serve out of bounds?

Answers

Answer:

16 times

Step-by-step explanation:

4/25 = 16/100

Fatima has saved $15,000 toward a down payment on a house. She makes $5,375 a month. What is the maximum loan she can take on a house?Don't you take the $5,375 a month, multiply it by 12, then multiply that answer by 2?
$5,375 x 12 = $64,500 x 2 = $129,000

Answers

Answer:

just use this formula and plug in your numbers from the question.

Maximum Loan for a house= $129,000

monthly pay * 12. So $5,375*12=$64,000.

$64,000*2=$129,000.

Maximum spent on a House=$144,000

$129,000+ $15,000= $144,000

Step-by-step explanation:

Rule from the lesson:

Maximum loan for a House = 2(Annual Gross pay) , that is 2*your annual gross pay.

Maximum spent on a House= Maximum Loan + Down Payment
If you want to find the loan for 2 years then you are right.Moreover in most of the cases you need t pay the interest too.But in this cases interest rate is not mentioned.
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