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ELEN [110]
3 years ago
10

Can someone please help me with part B?

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
4 0
Y = - 20x + 100

Slope is -20, y-intercept is 100.
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Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Day Sunday Monday Tuesd
adell [148]

Answer:

4\dfrac{2}{7}

Step-by-step explanation:

How to calculate the mean absolute deviation:

<u>Step 1:</u> Calculate the mean.

\text{Mean}=\dfrac{49+55+52+46+47+42+38}{7}=47

<u>Step 2:</u> Calculate how far away each data point is from the mean using positive distances. These are called absolute deviations.

\begin{array}{ccccccc}\text{Sun}&\text{Mon}&\text{Tue}&\text{Wed}&\text{Thu}&\text{Fri}&\text{Sat}\\49&55&52&46&47&42&38\\2&8&5&1&0&5&9\end{array}

<u>Step 3:</u> Add those deviations together.

\sum|\text{mean}-x_i|=2+8+4+1+0+5+9=30

<u>Step 4:</u> Divide the sum by the number of data points.

\text{MAD}=\dfrac{\sum|\text{mean}-x_i|}{n}=\dfrac{30}{7}=4\dfrac{2}{7}

8 0
3 years ago
What is the exponential form of 100000
kvv77 [185]

Answer:

10^5 ( 10 raised to power 5)

Step-by-step explanation:

10*10*10*10*10

6 0
3 years ago
if hari and don each have two cases of Cotton candy spools and each case has 5 spoons of cotton candy inside, how many they have
Shkiper50 [21]

you will have 10 if im mistaken it is 5 i hope this is kinda helpful im only in 6th grade sorry if it is wrong


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AysviL [449]

Answer:

40 miles per hour

I hope this helps!

5 0
3 years ago
The product (x) of two numbers is 24 and their sum (+) is 10. What is the value of the largest of the two numbers?
RideAnS [48]

let the two numbers be x and y

From the first sentence,

xy=24

x+y=10

Then make y in equation 2 the subject of the formular and substitute in equation 1

x+y=10

y=10-x

substituting in equation 2

x(10-x)=24

open the bracket

10x-x^2=24

=-x^2+10x=24

Transfer the constant to the left hand side

=-x^2+10x-24=0

Then factorise completely

Look at the photo above

4 0
3 years ago
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