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brilliants [131]
3 years ago
15

HELP PLZ; 20 POINTS

Mathematics
1 answer:
Minchanka [31]3 years ago
6 0
(a)  1A 2A 3A 1B 2B 3B  (6 possible outcomes

(b)  Possible outcomes for A or 1 are  1A 2A 3A and 1B ( 4 outcomes) therefore: 
Probabilty =   4/6  = 2/3 
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Ramona is playing a board game and rolls two number cubes. Let A = {the sum of the number cubes is odd} and let B = {the sum of
Bingel [31]
A interesection B means similarities between the two sets.
The possible values you can get in B are:
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

A:
3, 5, 7, 9, 11

Therefore A intersection B = {3, 5, 7, 9, 11}


5 0
4 years ago
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Q6:- Solve 1 ≤ |x –2 | ≤ 3.​
alexandr402 [8]

Answer:

-1<=x<=1 or 3<=x<=5

Step-by-step explanation:

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4 years ago
bruno bought 3 cases of water for a party. guests used 9 bottles of water from each case. write and solve an equation to find ho
MakcuM [25]
You would take 9x3 and get  27 and then add that to 21 which is 48 and then divide 48 by 3 and get  16 so 16in each case 
8 0
3 years ago
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Precal : Note: Triangle may not be drawn to scale. Suppose a = 3 and A = 15 degrees
drek231 [11]

Given:

In a right triangle at B,

\begin{gathered} a=3 \\ A=15^{\circ} \end{gathered}

To find:

The length of the sides b and c and angle B.

Explanation:

Using the trigonometric ratio,

\begin{gathered} sinA=\frac{a}{c} \\ \sin15^{\circ}=\frac{3}{c} \\ c=\frac{3}{\sin15^{\circ}} \\ c=11.59 \\ c\approx11.6 \end{gathered}

Using the trigonometric ratio,

\begin{gathered} \tan A=\frac{a}{b} \\ \tan15^{\circ}=\frac{3}{b} \\ b=\frac{3}{\tan15^{\circ}} \\ b=11.19 \\ b\approx11.2 \end{gathered}

Using the angle sum property,

The angle B becomes,

\begin{gathered} 90+15+B=180 \\ B=180-90-15 \\ B=75^{\circ} \end{gathered}

Final answer:

The values are,

\begin{gathered} b=11.2 \\ c=11.6 \\ B=75^{\circ} \end{gathered}

3 0
1 year ago
Which country is a democracy that legally requires its citizens to vote?
Studentka2010 [4]

Answer:

Costa Rica

Step-by-step explanation:

3 0
3 years ago
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