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Pavlova-9 [17]
3 years ago
5

How many real solutions does x to the power of 2 + 8x + 20 = 0 have?

Mathematics
1 answer:
kenny6666 [7]3 years ago
5 0

Answer:

0

Step-by-step explanation:

solve using quadratics and the answer is undefined

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Pleaassseeeee helpppppp,,,,!!!!!!
Flura [38]
Surface Area (SA) of a Cylinder formula:
SA = 2*pi*r*h+2*pi*r^2
If you fill in the formula:
SA = 2*3.14*2*9+2*3.14*2^2
Simplify:
SA = 6.28*18+6.28*4
SA = 113.04 + 25.12
SA = 138.16 in
I hope I helped 
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6 0
3 years ago
What is the y-intercept of y=3x-2/3
Gre4nikov [31]

Answer: -2/3

Step-by-step explanation:

5 0
2 years ago
PLEASE ANSWER ASAP WILL MARK BRAINLIEST!!
Sauron [17]

Answer:

The answer is D.

An event D is said to be independent of another event.

3 0
2 years ago
Three planets are in line and are orbiting round a sun, one take 1 week to orbit the sun another takes 9 weeks and the other tak
patriot [66]

Answer:

27 weeks.

Step-by-step explanation:

You need to calculate the minimun common multiple between the three times.

1 week = 1^1 week

9 weeks = 3^2 weeks

27 weeks = 3^3 weeks

You take the 1 and the 3 with the biggest exponent and multiply. In this case is 1^1*3^3 = 27. So, in 27 weeks the pkanets will all be in alignment.

7 0
3 years ago
How Do I solve this!
motikmotik

Answer:

1380 in²

Step-by-step explanation:

The lateral surface is the sum of the areas of all the sides, or 'faces'.

The bases (the top and bottom) are <u>not </u>included.

This is a prism with triangles for bases (at each end). The sides are rectangles.

Add up the areas of the rectangles.

300 + 480 + 600 = 1380

5 0
2 years ago
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