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Airida [17]
3 years ago
11

Please help me, my teacher said that only 3 of them are right. so please get three right. please. The second file attached is th

e answers

Mathematics
2 answers:
iren [92.7K]3 years ago
4 0

Answer:

What are you supposed to do

Step-by-step explanation:

elixir [45]3 years ago
4 0
Yea what are u supposed to do we need more details!!!!!!
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The perimeter of the triangle below is 42 units.<br> x + 5<br> Х<br> x+7<br> What is the value of x?
pshichka [43]

Answer:

x + 5+x+7+Х=42units

3x=42-12

x=30/3

x=10

8 0
2 years ago
In a certain soccer tournament you play 6 games. In every match you get 3 points if you win, 1 point for a draw and 0 points if
Ann [662]

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

5 0
2 years ago
If the coordinates of A are (1, 1) and the midpoint of AB is
yuradex [85]

Answer:

The coordinates of B are (-5, -1).

Step-by-step explanation:

You can make a linear relationship. Since AB is <em>1 unit down and 3 units to the left of</em> A, B must be <em>1 unit down and 3 units to the left of</em> AB.

5 0
2 years ago
HELPPPPPPPPPPPPPPPPPPPPPPPPPPPHEL
zloy xaker [14]

Answer:

15 degrees

Step-by-step explanation:

90-75= 15

........

6 0
3 years ago
18/30 reduce into fraction
Firlakuza [10]

Answer:

35 - reduced

0.6 - decimal

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3 years ago
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