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Licemer1 [7]
3 years ago
12

What are the solutions to the quadratic equation 5x2 + 60x = 0?

Mathematics
2 answers:
const2013 [10]3 years ago
8 0
5x^2+60x=0
x(5x+60)=0

x=0
and
5x+60=0
5x=-60
x=-12

therefore, the first option is correct
Lunna [17]3 years ago
6 0

Answer:

x=0 and x=-12

Step-by-step explanation:

The given quadratic equation is:

5x^2+60x=0

simplifying the above quadratic equation, we get

x(5x+60)=0

⇒x=0 and 5x+60=0

⇒x=0 and 5(x+12)=0

⇒x=0 and x=-12

Therefore, the solution of the quadratic equation is:

x=0 and x=-12.

Thus, option A is correct.

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In a certain soccer tournament you are playing once with each of the other nine teams. In every match you get 3 points if you wi
bixtya [17]

Answer:

0.430625=0.431

Step-by-step explanation:

Answer:

0.430625 = 0.431

Step-by-step explanation:

Let W represent winning, D represent a draw and L represent a loss.

12+ points can be garnered in each of the following ways.

6W 0D 0L

5W 1D 0L

5W 0D 1L

4W 2D 0L

4W 1D 1L

4W 0D 2L

3W 3D 0L

The probability of getting 12+ points is the sum of all these 7 probabilities.

Knowing that P(W) = 0.5

P(D) = 0.1

P(L) = 0.4

P(6W 0D 0L) = [6!/(6!0!0!)] 0.5⁶ 0.1⁰ 0.4⁰ = 0.015625

P(5W 1D 0L) = [6!/(5!1!0!)] 0.5⁵ 0.1¹ 0.4⁰ = 0.01875

P(5W 0D 1L) = [6!/(5!0!1!)] 0.5⁵ 0.1⁰ 0.4¹ = 0.075

P(4W 2D 0L) = [6!/(4!2!0!)] 0.5⁴ 0.1² 0.4⁰ = 0.09375

P(4W 1D 1L) = [6!/(4!1!1!)] 0.5⁴ 0.1¹ 0.4¹ = 0.075

P(4W 0D 2L) = [6!/(4!0!2!)] 0.5⁴ 0.1⁰ 0.4² = 0.15

P(3W 3D 0L) = [6!/(3!3!0!)] 0.5³ 0.1³ 0.4⁰ = 0.0025

The probability of getting 12+ points = 0.015625 + 0.01875 + 0.075 + 0.09375 + 0.075 + 0.15 + 0.0025 = 0.430625

Read more on Brainly.com - brainly.com/question/14850440#readmore

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2 years ago
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If f(x) = x2 – 2x, find:<br><br> f(6)=
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Answer:

0

Step-by-step explanation:

When x=6

f(6) =(6)2-2(6)=12-12=0

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2 years ago
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A total of 276 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student t
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