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RSB [31]
3 years ago
11

Please answer I will give brainliest

Mathematics
1 answer:
Eddi Din [679]3 years ago
3 0
Felipe earned 375 dollars each week because if you divide 4,500 to 12.
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Kelly bought a book of 20 stamps. She has used 80% of them. A. How many stamps has Kelly used? B. How many stamps does she have
jok3333 [9.3K]
80% of 20 is 80/100 x 20 = 16

So, kelly has used 16 stamps, and has 4 left
4 0
3 years ago
Read 2 more answers
Fill in the blank<br> 3*one sixth = 3/ __ or ___{fraction}
docker41 [41]
0.5 as a decimal
hope this partially helped:)
sorry couldn't answer completely
let me know if it helped a bit:)
7 0
3 years ago
When a dummy variable is included in a regression model that has one numerical independent variable, what assumption do you need
sukhopar [10]

Answer:

Step-by-step explanation:

You need to assume that the slope between the dependent Varian and the numerical independent variable is zero.

In regression analysis, to find the effect of one independent variable on the dependent variable, there has to be no interference from the other independent variables whether they be categorical (dummy) or numerical independent variables.

A dummy variable is one which takes on the value of 0 or 1, to represent the absence or presence (respectively) of a given category which is expected to influence the dependent variable.

When a dummy independent variable is included in a regression model, to know the effect of that dummy or category (e.g. day =1, night =0) on the dependent variable, the influence of the numerical independent variable has to be removed temporarily.

In a regression equation,

Y=a+bX+cK

Y is the dependent variable

a is the intercept on the vertical axis on the graph

b is the slope between the dependent variable Y and the independent numerical variable X

c is the slope between the dependent variable Y and the dummy variable K

3 0
2 years ago
Please answer this question only if you know the answer!
Feliz [49]

Answer:

  b.  6 cm

Step-by-step explanation:

Q is the midpoint of PR, so QR = PR/2 = (12 cm)/2 = 6 cm

7 0
3 years ago
Select the correct answer from each drop-down menu. cos2x-cos4x/sin2x+sin4x cos2x+cos4x/sin2x-sin4x
Anastaziya [24]
I’m sorry I’m answering this to ask a question



Explanation:
8 0
2 years ago
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