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Hunter-Best [27]
3 years ago
8

HELP I NEED HELP ASAP

Mathematics
1 answer:
My name is Ann [436]3 years ago
7 0

Answer: is C

Step-by-step explanation:

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bulgar [2K]

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4 0
3 years ago
Please Please help!!!!!
love history [14]
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7 0
4 years ago
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Find the number of real number solutions for the equation.x2 − 2x + 9 = 0
Talja [164]
Hi there!

We can use the discriminant of the quadratic formula to find the number of real solutions to this (or any other quadratic) equation.

The discriminant can be found by plugging in the data from the equation into the following formula:
d = {b}^{2} - 4ac \\ with \: y \: = a {x}^{2} + bx + c

When we fill in the data from the question we get
d = ( - 2) {}^{2} - 4 \times 1 \times 9 = 4 - 36 = - 32

Since d < 0 the equation has zero real solutions.
4 0
3 years ago
What is the next term in the pattern shown below? 4.5, 9, 13.5, 18, ...
Sav [38]

Answer:

22.5 is the answer.

Step-by-step explanation:

The number keeps increasing by 4.5

4 0
4 years ago
Express the complex number in trigonometric form. -2i
katrin [286]
-2i=2\left(\cos\left(-\dfrac\pi2\right)+i\sin\left(-\dfrac\pi2\right)\right)=2\left(\cos\dfrac\pi2-i\sin\dfrac\pi2\right)
7 0
4 years ago
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