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Oksi-84 [34.3K]
4 years ago
13

. Andrew will roll a number cube and flip a coin for a probability experiment. The faces of the number cube are labeled 1 throug

h 6. The coin can land on heads or tails. If Andrew rolls the number cube once and flips the coin once, write a list that contains only the outcomes in which the number cube lands on a number less than 3?
Mathematics
1 answer:
rodikova [14]4 years ago
8 0

Answer:

Step-by-step explanation:

1 heads

1 tails

2 heads

2 tails.

That's all you can write given the constraint.

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Which fraction is equivalent to<br> 2/-6?
Rufina [12.5K]

Answer:

-2/6

Step-by-step explanation:

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4 years ago
For what value of the variable will the expression 8b−27 be equal to the following:<br> 5
qaws [65]

Answer:

We need to find the value of b to make 8b - 27 be equal to 5, so:

8b - 27 = 5

We solve the equation:

8b = 5 + 27

8b = 32

We divide both sides by 8:

b = 32/8 = 4

So now, we know that b=4, and we can verify:

8*4 - 27 = 5

32 - 27 = 5 TRUE

8 0
3 years ago
Read 2 more answers
Solve -no - 80 &lt; 60 for n. Show the work.
o-na [289]
-np - 80 < 60....add 80 to both sides
-np < 80 + 60
-np < 140...divide both sides by p
-n < 140/p ...now multiply by -1 to make n positive, and change inequality sign
n > -140/p
5 0
3 years ago
Which characteristic is correct for the function f(x) = −2x^3 + 3x^2 ?
galina1969 [7]

Answer:

B

Step-by-step explanation:

The function is cubic (the highest power is 3), so it can't be even.  It's either odd or neither.

We can either graph the function, or we can test that it's symmetrical about the origin by seeing if f(x) = -f(-x).

f(x) = -2x³ + 3x²

f(-x) = -2(-x)³ + 3(-x)²

f(-x) = 2x³ + 3x²

f(x) ≠ -f(-x), so the function is neither even nor odd.

3 0
3 years ago
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Ivanna is playing a game in which she spins a spinner with 6 equal-sized slices numbered 1 through 6. The spinner stops on a num
saul85 [17]

Answer:

The spinner has 6 equal-sized slices, so each slice has a 1/6 probability of showing up.

I guess that we want to find the expected value in one spin:

number 1: wins $1

number 2: wins $3

number 3: wins $5

number 4: wins $7

number 5: losses $8

number 6: loses $8

The expected value can be calculated as:

Ev = ∑xₙpₙ

where xₙ is the event and pₙ is the probability.

We know that the probability for all the events is 1/6, so we have:

Ev = ($1 + $3 + $5 + $7 - $8 - $8)*(1/6) = $0

So the expected value of this game is $0, wich implies that is a fair game.

8 0
3 years ago
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