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frez [133]
3 years ago
12

Please Help! 30 points! Real answers pls The box plot below shows the total amount of time, in minutes, the students of a class

surf the Internet every day: Part A: List two pieces of information that are provided by the graph and one piece of information that is not provided by the graph. (4 points) Part B: Calculate the interquartile range of the data, and explain in a sentence or two what it represents. (4 points) Part C: Explain what affect, if any, there will be if an outlier is present. (2 points)

Mathematics
2 answers:
PilotLPTM [1.2K]3 years ago
7 0
so c is an outliner and b 60-35
padilas [110]3 years ago
6 0

Hii!

So I did this and I have A!

A: You cannot get the mean from the graph but you CAN get the third quartile!

B: To find the interquartile range (IQR) we subtract the third and first quartiles:

60-35 = 25

C:  An outlier would be much larger than the rest of the data or much smaller than the rest of the data. An outlier would make the "whisker" portion longer and could potentially slightly shift the box.

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2) Marion deposited $12,000 into her saving account for 10 years with simple annual interest rate of 5%. Cameron deposited $12,0
morpeh [17]

Answer:

Marion’s account will have $237 more at the end of 10 years

Step-by-step explanation:

Firstly, we calculate the amount that will be in Marion’s account after 10 years.

To calculate this, we use the formula for simple interest

I = PRT/100

where I is the interest accrued for the period of years

P is the amount deposited = $12,000

R is the rate = 5%

T is the time which is 10 years

Plugging these values into the equation

I = (12,000 * 5 * 10)/100 = $6,000

The amount after 10 years is thus the sum of the amount deposited and the interest accured = $12,000 + $6,000 = $18,000

Now for Cameron, we use the compound interest formula

A = P(1+r/n)^nt

Where A is the amount in the account after the number of years

P is the amount deposited = $12,000

r is the interest rate = 4% = 4/100 = 0.04

n is the number of times per year the interest is compounded. Since it is annually, n = 1

t is the time which is 10 years

We plug these values and we have;

A = 12,000(1 + 0.04/1)^(1 * 10)

A = 12,000 (1.04)^10

A = $17,763 ( to the nearest whole dollars)

Since 18,000 is greater than 17,763, the amount in Marion’s account will be greater at an amount of (18,000 - 17,763) = $237

6 0
3 years ago
Add the following numbers. (-4) + (-9) =
soldi70 [24.7K]

Answer:

-13

Step-by-step explanation:

Adding a negative means that you subtract the number as + (-) = -

This means that the equation is -4-9=-13.

6 0
3 years ago
Help me plzzz I need area and perimeter
Alexeev081 [22]

Answer:

Area = 37.5

Perimeter = 36

Step-by-step explanation:

Have a good day! :)

5 0
3 years ago
Read 2 more answers
The measure of an angle is three times the measure of its supplementary angle. What is the measure of each angle?
Agata [3.3K]

Answer:

Angle = 135°

Supplement of the Angle = 45°

Step-by-step explanation:

The complement of an angle, say "x", would be 90 minus that angle:

90 - x

The supplement of an angle, say "y", would be 180 minus that angle:

180 - y

Since we have 1 angle, let it be "x", and that angle is 3 TIMES the SUPPLEMENT of that angle, we can write:

x = 3(180 - x)

Now, we solve for the angle x:

x = 3(180 - x)\\x = 540 - 3x\\x + 3x = 540\\4x = 540\\x = \frac{540}{4}\\x=135

So, the angle is 135°

The supplement of the angle is  180 - 135 = 45°

4 0
3 years ago
Right the slope intercept form of the equation of the line through the given points
Oxana [17]

Answer:

Step-by-step explanation:

5) P1=(x1,y1)  P2=(x2,y2)

P1=(0,1) P2=(4,-1)

m = y2-y1 / x2-x1

m= -1-1 / 4-0

m= -1/4

point-slope formula (memorize this )  [y-y1=m(x-x1)

y-1= -1/4(x-0)

y-1 = -1/4x

y= -1/4x+1

6) P1=(-3,3) P2=(0,-1)   ( same process as above)

m=-1-3 / 0-(-3)

m= -4/3

y-3= -4/3(x-(-3))

y-3 = -4/3(x+3)

y-3 = -4/3x -4

y = -4/3x -4+3

y = -4/3x -1

7) P1=(0,-1) P2=(-2,-2)    (same process as above)

m= -2-(-1) / -2-0

m= -2+1 / -2

m= -1 / -2

m= 1/2

y-(-1) =1/2(x-0)

y+1= 1/2x

y= 1/2x -1

8) P1=(1,-5) P2=(-2,2)

m=

I'll let you work out the rest of 8.. just follow what i've shown above.. ask later if you need more help  :)

5 0
3 years ago
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