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levacccp [35]
4 years ago
6

How to find the mean of a data set with a missing value?

Mathematics
1 answer:
kotykmax [81]4 years ago
5 0
<span>If you are given a mean and asked for one of the data values, you can still use the basic method for determining the mean, but work backwards. Generally we add up all the values and then divide by the number of values. In this case, working backwards, we multiply by the number of values (instead of dividing) and then subtract (instead of adding). You should be left with a data value from the set. </span>
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A store has a sale with 20% off every item. When you enter the store, you receive a coupon that states that you receive an addit
mr_godi [17]
No, because let’s say for example that something cost $100.00 so you take 20% (or $20) off of the 100 and you’re left with $80.00. Well then you have your 10% off coupon so you take 10% off of 80, which is 8 dollars. So now you’re at $72.00.

But if we just took off 30% from 100 originally, you would be at $70.00

So no it wouldn’t be the same. If you wanted to check the idea yourself just use different numbers and see if they match at the end.
6 0
3 years ago
How to solve 8.5=d over 3.75 what is the distance
Setler [38]
85=d/3.75

d = 85 x 3.75

d = 318.75
8 0
3 years ago
A teacher asks five students to plot two points that are exactly 15 units apart on the coordinate plane. The table shows the stu
nalin [4]

Answer:

Theres no picture........

Step-by-step explanation:

7 0
4 years ago
Find the area of the figure shown in the diagram to the nearest hundredth.
BlackZzzverrR [31]
Answer: Choice C) 41.13 square meters

---------------------------------------------------------------------------------------------

This figure is a composition of two quarter-circles and a square

Area of quarter circle = (1/4)*(area of circle)
Area of quarter circle = (1/4)*(pi*r^2)
Area of quarter circle = (1/4)*(pi*4^2)
Area of quarter circle = (1/4)*(pi*16)
Area of quarter circle = (1/4)*16*pi
Area of quarter circle = 4pi
There are two quarter circles, so the two circular areas add to 4pi+4pi = 8pi

Area of square = s*s = 4*4 = 16 square meters

Add the square area to the circular area: 8pi+16

Now use a calculator to find 8pi+16 = 41.1327412287183 which rounds to 41.13

8 0
3 years ago
Please help me. I’ve been working on this for 5 hours and 31 minutes.
zubka84 [21]

Step-by-step explanation:

Use the rhombus properties:

diagonals are perpendicular and divide in half.

In order for the rhombus not to be a square, the diagonals must be of different lengths.

3 0
3 years ago
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