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malfutka [58]
3 years ago
7

MATH QUESTION HELP PLZ

Mathematics
1 answer:
Phantasy [73]3 years ago
5 0

Answer:

Step-by-step explanation:

You have to first enter these values into a table.  You find that table on your calculator at "stat" then "edit".  In L1, enter all the x values, hitting "enter" after each entry.  Then arrow over to L2 and enter all the y values.  When you are done, hit "stat" again, then "calc" and choose 4 LinReg, then hit enter.  If you do not see the r and r-squared values, then you need to turn on your diagnostics.  To do this, hit 2nd, then 0 to pull up your catalog.  Hit the x^{-1} button and that brings up all the D's in your catalog.  Arrow down til you see "DiagnosticsOn" and hit enter.  Then hit enter again.  Go back to "stat", "calc", "4 LinReg" and hit either enter or calculate (it depends upon which calculator you have.  The TI 83 just needs the "enter" button, while the TI84 family requires that you scroll down to the word "calculate" and hit "enter").  Then when the linear regression equation comes up, you will see underneath it both the correlation coefficient (r) and the coefficient of determination (r-squared).  You should see that your r value is .84 for this data set.  Just so you know, r can be negative, but r-squared never will be.

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15, because the sides are congruent except for the bottom ones

Step-by-step explanation:

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What is the polynomial function of least degree whose only zeros are -3, ,-2, and 4 ?
victus00 [196]

Answer: (x³ - 2x² - 11x + 12)

Step-by-step explanation:

Recall that zeroes can be transformed into factors by subtracting them from x. This gives us the following factors:

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Now, if you multiply the first two factors together, you get the following:

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Multiply that by the last factor, (x - 4), and you get this:

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This can be simplified:

(x³ - 2x² - 11x + 12)

And there's your final answer. Hope this helped! (x³ - 2x² - 11x + 12)

7 0
3 years ago
The surface area of a rectangular prism is 208 cm2. Two of the dimensions are 2cm and 10cm. Find the measure of the other dimens
aliina [53]

Answer:

7 cm

Step-by-step explanation:

SA = 208 cm^2

SA= 2*a*b + 2*a*c + 2*b*c

where:

a= first dimension = 2 cm

b= second dimension = 10 cm

c= third dimension

so we have:

208= 2*2*10 + 2*2*c + 2*10*c

208= 40 + 4c + 20c

208-40= 24c

168=24c

c =168/24

c = 7cm = third dimension

3 0
3 years ago
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