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Andrej [43]
3 years ago
7

I dont know ? 6y2 + 6(4y2 − 8) =

Mathematics
2 answers:
krek1111 [17]3 years ago
8 0

Answer:

30y^2 - 48

Step-by-step explanation:

62+6(42−8)

62+242−48

30^2 −48

RideAnS [48]3 years ago
5 0

Answer:

6y2 + 6(4y2 - 8)

6y2 + 24y2 - 48

30y2 - 48

Step-by-step explanation:

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The difference between five times a number and twice that number
lara31 [8.8K]
<span>The difference between five times a number and twice that number = 15</span>
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3 years ago
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

4 0
3 years ago
a store owner paid $15 for a book. she marked up the price of the book by 40% to determine its selling price. what is the sellin
Hunter-Best [27]

Answer:

$21

Step-by-step explanation:

40% of 15 is 6, and 15 + 6 is 21

5 0
3 years ago
Read 2 more answers
Can someone help me <br> 14. Determine the arc length. Give your answer to two decimal places.
Paul [167]

Answer:

19.48 m

Step-by-step explanation:

The formula that is used to find arc length is:

arc length = 2πr (\frac{angle}{360})

In this question, r = 9m and the angle (θ) = 124°. Substitute the values into the formula.

arc length = 2 × π × 9 ×(\frac{124}{360})

= 2 × π × 9 × 0.3444

= 19.48 m

8 0
3 years ago
The function g(n)=n²-6n+16 represents a parabola.
goblinko [34]

Part A: (n^2-6n)+16

[(n^2-6n+9)-9]+16

(n-3)^2+7

Part B: From the above result,

Vertex (3,7) this is the minimum point of the graph since the coefficient of a is positive

Part C: The axis of symmetry is basically the x coordinate of the vertex, so the axis of symmetry is x=3

Hope this helps!

4 0
3 years ago
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