2 years ago

Use the graph to find the cost of 8 shirts

Mathematics

1 answer:

Molodets [167]2 years ago

5 0

The cost of 8 shirts is 120$

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Suppose four students miss an exam. They tell their instructor that they were carpooling to school together on the day of the ex

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Answer:

The probability they each indicate the same tire is $\frac{1}{64}=0.02$

Step-by-step explanation:

There will be 4 cases involved as there are 4 tires.

Probability of choosing front left tire is $\frac{1}{4}$ as there are a total of 4 tires and we need to choose 1.

Now, if all the four students chose the front left tire then the probability is the product of individual probabilities.

Therefore, probability that all 4 students chooses front left tire is:

$P(fl)=(\frac{1}{4})^4$

Similarly, the probabilities of choosing the remaining 3 tires by all the students would be:

$P(fr)=(\frac{1}{4})^4$ , $P(rl)=(\frac{1}{4})^4$ , $P(rr)=(\frac{1}{4})^4$

Therefore, the probability that they indicate the same tire is the sum of all these probabilities.

$P(\textrm{same tire by all})=P(fl)+P(fr)+P(rl)+P(rr)\\ P(\textrm{same tire by all})=(\frac{1}{4})^4\times 4\\ P(\textrm{same tire by all})=\frac{4}{4^4}=\frac{1}{4^3}=\frac{1}{64}=0.02$

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Find the area of the triangle.<br> A) 52 km2 <br> B) 84 km2 <br> C) 168 km2 <br> D) 336 km2

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The first one is correct and that is the only one that is accurate all of the other ones are incorrect

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So the difference is -8y

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