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Usimov [2.4K]
4 years ago
6

A linear regression equation of the best fit between a students attendance and the degree of success in school is h =. 0.5x + 68

.5 . The correlation coefficient, r, for these data would be
Mathematics
1 answer:
posledela4 years ago
8 0

Answer:

0<r<1

Step-by-step explanation:


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What is the net monthly cash flow
Eddi Din [679]

Answer:

what?


Step-by-step explanation:


7 0
3 years ago
Plz help I will mark you brainlist plz ​
Igoryamba

Answer:

No, they can't be the same price

Step-by-step explanation:

There is not a way for them to cost the same amount because they are the same cost per topping.

Hope this helped! :)

4 0
3 years ago
Y=6x-1, y=3x-4 the solution is_____
TEA [102]

Answer:

y= -7 and x= -1

Step-by-step explanation:

To do this, line up the variables so it looks like this...

y-6x=-1

y-3x=-4

The reason why -6x and -3y changes to negative is because that it moved to the other side of the equation.

distribute negative to the bottom equation because the two equations have the same number variable which is y...

y-6x=-1

-y+3x=4

Y cancels out and it will be left with -3x = 3.

X = -1.... plug that in to any of the two equation and you get y = -7.

Hope I helped and have a nice day!!

5 0
2 years ago
Please help me to solve this sum<br>please gI've correct answer​
disa [49]

This question requires creating a few equations and working through them step-by-step. Now, first let's give each of the shapes a variable: let's say that the blue shape is a, the orange shape is b and the green shape is c.

1. We can technically create six formulas for the magic square, with three for sum of the rows and three for the sum of the columns, however the smartest way to approach this is to observe whether there are any obvious answers that we can get.

We can see in row 2 that there are three of the same shape (a) that add to 57. This makes it very simple to calculate the value of the shape.

Since 3a = 57

a = 57/3 = 19

2. Now we need to find a row or column that includes a and one other shape; we could choose either column 2 or 3, so let's go with column 2. Remembering that the blue shape is a and the orange shape is b:

2a + b = 50

Now, given that a = 19:

2(19) + b = 50

38 + b = 50

b = 12

3. We can now take any of the rows or columns that include the third shape (c) since we already know the values of the other two shapes. Let's take column 1:

a + b + c = 38

19 + 12 + c = 38

31 + c = 38

c = 38 - 31

c = 7

Thus, the value of the blue shape is 19, the value of the orange shape is 12 and the value of the green shape is 7.

3 0
3 years ago
Please help and thank you :)
Lapatulllka [165]

Answer:

500 mL

Step-by-step explanation:

1 L = 1,000 mL

   -> We use the formula of L * 1,000 = mL

1,000 mL / 2 = 500 mL

   -> We only have half of the L, so we can divide it by 2 to get the correct number of mL

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

6 0
2 years ago
Read 2 more answers
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