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amm1812
3 years ago
7

Chance flips a coin and rolls a 1 - 6 number cube. What is the probability that he rolls a number less than 4 and the coin lands

on heads?
Mathematics
1 answer:
inna [77]3 years ago
4 0
3/6 and 1/2 hoped that helped

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Urn A has balls numbered 1 through 6. Urn B has balls numbered 1 through 4. What is the probability that a 4 is drawn from A fol
oksian1 [2.3K]
Drawing the tree diagram of the problem, we see that there are 6 branches for drawing from Urn A, and then 4 branches for each of the 6 branches, for drawing from Urn B.

This means that there are 6*4=24 possible outcomes, which could be listed as
{(1, 1), (1, 2), (1, 3), (1, 4), (2, 1)... (6, 3), (6, 4)},

where the first coordinates represent drawing from urn A, and the second coordinates, drawing from urn B.

(4, 2) is one of these 24, so the probability is 1/24


remark, this problem could also have been solved by the multiplication principle of the probabilities of separate events, that is 1/6 (probability of drawing 4 from Urn A) times 1/4 (probability of drawing 2 from B) = 1/24


Answer: 1/24

7 0
3 years ago
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2<br> What is the slope of the line y = 3-2/3x
Scrat [10]

Answer:

the slope is -3

Step-by-step explanation:

5 0
3 years ago
Factor these expressions into an equivalent form.
Marrrta [24]
(c+8)(c-8)

3(2y+5)(2y-5)

There are no like terms so it's still ab^2-b
7 0
3 years ago
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Complete the equation of the line through (-9,-9)(−9,−9)left parenthesis, minus, 9, comma, minus, 9, right parenthesis and (-6,0
saw5 [17]

Answer:

The equation of the line is;

y = 3x + 18

Step-by-step explanation:

We want to write the equation of the line through (-9,-9) and (-6,0)

we start by calculating the slope of the line

m = (y2-y1)/(x2-x1) = (0+ 9)/(-6+9) = 9/3 = 3

The general equation of the line is;

y = mx + c

y = 3x + c

To get c, we use any of the points

we substitute for example -6 for x and 0 for y

0 = 3(-6) + c

c = 0 + 18 = 18

So the equation of the line is;

y = 3x + 18

4 0
2 years ago
Factor 2x2 − 4x − 30 completely.
Luda [366]
I hope this helps you

3 0
3 years ago
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