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Alecsey [184]
2 years ago
8

Pls help me if you are good at range and function! Use the screenshot below!

Mathematics
1 answer:
irina [24]2 years ago
8 0

Answer:

Step-by-step explanation:

wht grade are you on

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Exhibit 15-2A regression model between sales (y in $1000s), unit price (x1 in dollars) and television advertisement (x2 in dolla
Semmy [17]

Answer:

Sales are expected to increase positively.

Step-by-step explanation:

The model is y =7-3*X1+5*X2

Here, y is the depended variable and X1 and X2 are independent variable.  

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SSR= 3500

SSE=1500

So, TSS = SSR+SSE = (3500+1500) = 5000

Now r^2= 1 - (SSR/TSS) = 1 - (3,500/5,000) = 1 - 0.70 = 0.30

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5 0
2 years ago
Read 2 more answers
Plz help, And no links please
Talja [164]
I did not get any zeros since the graph doesn’t cross the x axis, meaning that there are no rational zeros

However, here is the method u can use to find the zeros lol


You can use the quadratic formula in order to get the zeros

This is the equation therefore use these values
ax^2+bx+c=0

A=1
B= -5
C=12

The quadratic formula is -b±√(b^2-4ac))/2a (I left a picture just in case)

6 0
3 years ago
Please help! Late work!
frosja888 [35]
(40+41+41+45+48+48+49+49+49+40)/10 = 460/10 = 46

mean = 46
3 0
3 years ago
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