Leanna guesses on four multiple choice test questions in a row. If each question has 3 possible answers, what is the probability that Leanna will guess the answer to the 4th question correctly? A. 1/81 B. 1/12 C. 1/3

Answers

Answer 1

Answer: the previous question don't change the probability of the next questions, so the information that it is the 4th question is not relevant.

It's only relevant that there are 3 possible answers, so the probability of getting the right one is 1/3 (C.).

Answer 2

Answer:

Answer:

1\3

Step-by-step explanation:

1\3 is the answer....

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6w^3 - 13 the GCF ? or is this a prime?

Answers

It is a prime because the only other factor of 6w^3-13 is 1.

If a vacuum cleaner costs $248 and the sales tax is 6%, how much will the vacuum actually cost?

Answers

Initial cost of vacuum cleaner is = 248
tax is 6% = 6/100. 248 x 0.06 = 14.88
Thus, final cost of vacuum cleaner is 248 + 14.88 = $262.88
That is one expensive vacuum cleaner

The answer is $262.88

First you need to multiply the 6% from $248
$248x.06%= $14.88

Now you know that 6% of $248 is $14.88

Now you just need to add the $14.88 to the Orignal price of the vacuum $248

$248+$14.88= $262.88 <---- Answer

Pistachios were priced at 3 pounds for $ 6.99. (a) what were the price per pound? (b) how much would 10 pounds of pistachios cost?

Answers

just do 6.99 divided by 3
(a)$2.33

times your answer in (a) by 10
(b)$23.3

It is 8/10 mile from liz's house to the market. Liz walked 6/10 mile, stopped for a break, and walked the rest of the way to the market. Which equation represents liz's walk?

Answers

Answer:

The equation that represents Liz's walk is:

5x + 3 = 4

Step-by-step explanation:

Liz walked 6/10 mile, stopped for a break, and walked the rest of the way to the market.

Let Liz's walk after that break be x mile.

Before the break, she had walked 6/10 miles. Adding these distances, she had walked a total of (x + 6/10) miles.

Because it is 8/10 miles from Liz's house to the market, all the walks she had to do to get to the market is 8/10 miles.

That is,

(x + 6/10) is the same as 8/10.

x + 6/10 = 8/10

Multiplying by 10, we have

10x + 6 = 8

Dividing by 2 gives

5x + 3 = 4

And this is the equation we wish to write.

Step-by-step explanation:

Below is an attachment containing the solution.

A set of car tires cost $600 if there is a 15% off tire sale in an 8% sales tax is added what will the total cost be

Answers

Answer: $550.8

Step-by-step explanation:

A line contains the points (0,3) and (6,0). What is the equation of the line?

Answers

Answer:

y=-1/2x + 3

Step-by-step explanation:

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