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asambeis [7]
3 years ago
12

If a discriminant is negative, then the quadratic has:

Mathematics
2 answers:
Serjik [45]3 years ago
7 0

Step-by-step explanation:

the answer is

........b

vagabundo [1.1K]3 years ago
7 0

Answer:

Answer is most likely to be B, hope this helps, stay safe :)

Step-by-step explanation:

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A triangle with vertices A(0,0), B(6,0), and C(0,9) is rotated 360 about the y-axis. What is the volume of the figure?
Luden [163]

Given:

A triangle with vertices A(0,0), B(6,0), and C(0,9) is rotated 360 about the y-axis.

To find:

The volume of the figure.

Solution:

Points A(0,0) and C(0,9) lies on the y-axis. Length of AC is 9 units.

Points A(0,0) and B(6,0) lies on the x-axis. Length of AB is 6 units.

If a triangle with vertices A(0,0), B(6,0), and C(0,9) is rotated 360 about the y-axis, then it will form a cone with radius 6 units and height 9 units.

Volume of a cone is

V=\dfrac{1}{3}\pi r^2h

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Putting r=6 and h=9, we get

V=\dfrac{1}{3}\pi (6)^2(9)

V=\pi (36)(3)

V=108\pi

Therefore, the volume of the figure is 108\pi sq. units.

7 0
3 years ago
You can walk 1 1/2 miles in 1/2 hour what is your average speed
evablogger [386]
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8 0
3 years ago
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Explain how to find the deviation of an entry in a data set
Ilia_Sergeevich [38]
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3 years ago
Order from least to greatest ! 1.36,1.3,1.63 and this other 0.42,3.74,3.47.
frosja888 [35]
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4 0
3 years ago
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This is just a square, help​
Kipish [7]

Answer:

Step-by-step explanation:

They are all true

4 0
3 years ago
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