Your answer is B, X = -1
A “zero” is the number x has to be for the equation to equal 0. So, looking at the equation, x HAS to be negative, because the whole equation has +’s, which will never amount to 0 unless X is a negative number.
You can also plug -1 in for X as so:
2(-1)3 + 13(-1)2 + 23(-1) + 12
Which simplifies:
-2 +13 - 23 + 12
Which equals 0
I hope this Helps!
Answer:
First one:
1², 2², 3² and so on (Square of 1,2,3,4,5,6,7.....)
Second one:
2, 13, 26, 41...
add 11, add 13, add 15 (add increasing odd numbers, beginning from 11)
Third one:
4, 14, 29, 49
+10, +15, +20 and so on (add the multiple of 5,beginning from 10)
Fourth one:
1, 8, 27, 64
1³, 2³, 3³, 4³ and so on(cube of 1,2,3,4,5,6,7.....)
Brainliest please
Answer:
below
Step-by-step explanation:
that is the procedure above
Answer: 30%
Step-by-step explanation:
Difference is (2000 - 1400) = 600
%age reduction 600/2000 x 100 = 30%
Attached is what you can do on excel.
Add the values as presented on the image. Select the values and then go t the menu "Insert" and look for "Charts" and then "Insert scatter chart". After this, select one of the dots from the graph and then press the right button of the mouse and select "add trendline". Now you have a trend line. Format the trendline selecting the option "Display Equation on chart" (and also if you want "Display R-squared value on chart"). Now you have the equation and you can easily predict the value when X is 15, you just need to substitute on the equation the X by the 15:
y = 4.0933Χ + 21.5 <=>
y = 82.8995<span>
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