What is the probability of flipping a head in 3 consecutive flips of a fair coin?

Mathematics

1 answer:

Pavlova-9 [17]2 years ago

7 0

The probability is 1/30

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A store is having a sale on walnuts and chocolate chips. For 2 pounds of walnuts and 5 pounds of chocolate chips, the total cost

oksian1 [2.3K]

It will be $2.50 for each pound of walnuts, and it will be $1 for each pound of chocolate chips.

I know this hold true because when we multiply $2.50 by 2, we get $5, and add that to the other $5 from the chocolate chips and we will get $10. We can also multiply $2.50 by 8 and add $3 from chocolate chips to get $20 + $3, or $23.

8 0

3 years ago

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Evaluate the expression: 2x + 7 - 3x, when x = 2

Galina-37 [17]

2(2)+7-3(2)=
4+7-6= 5
your answer is 5

4 0

2 years ago

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Does anyone get this?

stepladder [879]

Answer: B

Step-by-step explanation:

In the systems of equation it already gives you the solution for x which is -2 so all you have to do is substitute -2 into the first equation and solve for y.

y= 2/3x + 3

x= -2

Substitute x for -2

y = $\frac{2}{3}* \frac{-2}1} + 3$