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dybincka [34]
4 years ago
9

20 question ach containing three answers quiz probability of getting no points? worksheet

Mathematics
1 answer:
Amiraneli [1.4K]4 years ago
5 0
The probability of getting no points on any given question is 2/3, so for 20 independent questions, it is (2/3)^20 ≈ 3.007*10^-4.
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Given: angle 1 = angle 4<br> Prove: angle 2 = angle 3
natulia [17]

\angle 1 = \angle 2 \qquad vertical angles

\angle 3 = \angle 4 \qquad vertical angles

\angle 1 = \angle 4 \qquad given

\angle 2 = \angle 3 \qquad transitivity

3 0
3 years ago
Hey ok i need help on this question ive been stuck on it for a couple minutes haha
Len [333]

Answer:

The side s has a length of 4 and side q has a length of 4\sqrt{3} ⇒ F

Step-by-step explanation:

In the 30°-60°-90° triangle, there is a ratio between its sides

side opp (30°) : side opp (60°) : hypotenuse

       1               :         \sqrt{3}            :        2

In the given triangle

∵ The side opposite to 30° is s

∵ The side opposite to 60° is q

∵ The hypotenuse is 8

→ Use the ratio above to find the lengths of s and q

side opp (30°) : side opp (60°) : hypotenuse

       1               :         \sqrt{3}            :        2

       s               :          q             :        8

→ By using cross multiplication

∵ s × 2 = 1 × 8

∴ 2s = 8

→ Divide both sides by 2

∴ s = 4

∴ The length of s is 4

∵ q × 2 = \sqrt{3} × 8

∴ 2q = 8\sqrt{3}

→ Divide both sides by 2

∴ q = 4\sqrt{3}

∴ The length of q is 4\sqrt{3}

7 0
3 years ago
The number of games, g, to be played with n teams can be written by the following equation: g=n^2-n if there are to be 132 games
Tema [17]
The equation that describes the relation between the number of games (g) and the number of teams (n) is given as follows:
g = n^2 - n

Now, we are given that the number of games is 132. This means that g=132. To know the number of teams, substitute with the given g in the given equation as follows:
g = n^2 - n
132 = n^2 - n
n^2 - n - 132 = 0 .......> factorize this expression
(n-12)(n-11) = 0
This means that:
either n = 12 teams
Or n = -11 teams (this solution is rejected as the number of teams cannot be negative)

Therefore, based on the above calculations, if the number of games is 132, then, the number of teams is 12
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3 years ago
Find each of the following products of conjugate pairs.See if you can work out a pattern
yKpoI14uk [10]

Answer: is 0

Step-by-step explanation:

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Answer:

340

Step-by-step explanation:

4 0
3 years ago
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