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Andreas93 [3]
3 years ago
10

Find all REAL zeros of f(x) = x3 – 4x2 - 15x + 18

Mathematics
1 answer:
Kitty [74]3 years ago
6 0

Answer:

Move 18 18 to the left side of the equation by adding it to both sides. x3 ...

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3y - 5z = -23
leonid [27]
Starting off, we can multiply the third equation by 2 and add it to the third to get rid of both the x and y variables. Next, we get z=1. Plugging that into 3y-5z=-23, we get 3y-5=-23. Adding 5 to both sides, we get 3y=-18. After that, we can divide both sides by 3 to get y=-6. Plugging that into -2x-y-z=-3, we get -2x+6-1=-3=-2x+5. Subtracting 5x from both sides, we get -2x=-8. After that, we can divide both sides by -2 to get x=4.
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Step-by-step explanation:

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3 years ago
9. What date will it be? (One is done for you)
Licemer1 [7]

Answer:

A. 5 days after 15 June - June 20

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3 years ago
Y = 2x + 3<br><br><br> y = 1/2 x – 3<br><br><br> y = –2x – 3<br><br><br> y = 1/2 x + 3
vodka [1.7K]

Answer:

y = 1/2 x + 3

Step-by-step explanation:

the positive 3 is the y intercept and the positive 1/2 is rise over run up-1 & 2 to the right

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