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2 years ago

Is the contrapositive of the following conditional true? If v≥4, then v≤4. yes or no

Mathematics

1 answer:

arlik [135]2 years ago

6 0

Sent the solution with explanation.

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A hostess earned a 5% tip. What decimal is equivalent to 5%?

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Answer:

.05 is the equivalent of 5 percent.

Step-by-step explanation:

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2 years ago

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2 years ago

Calculate the area of a triangle with a base 14cm long and a height of 20cm

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3 years ago

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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

tia_tia [17]

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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3 years ago

What is the approximate length of arc QR

Harlamova29_29 [7]

What arc QR?

Is there supposed to be a picture here?

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2 years ago