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3 years ago

Can someone pls tell me

Mathematics

1 answer:

Oduvanchick [21]3 years ago

6 0

Answer:

Part A would be B, and Part B would be C

Step-by-step explanation:

With the graph that B shows, the distance to time ratio is cut very sharply, indicating that there wasn't a constant speed throughout the entire time, up until where the graph went from shooting upwards to slightly inclining.

With the graph that C shows, out of all of the graphs, it is the only graph that shows the fact that the person went back to their starting point, indicating that they did return home because they forgot something.

I hope this helps :)

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Can someone explain this? :)

Alchen [17]

I'll do part (a) to get you started.

The angle 'a' pairs up with the 123 degree angle as a corresponding angle pair. Due to the parallel lines, the corresponding angles are congruent. Therefore a = 123.

We also see that b = 123 as well since a = b (they are vertical angles).

Notice how angle c is adjacent to the 123 degree angle. These two angles form a straight line, so they must add to 180 degrees.

c+123 = 180

c = 180-123

c = 57

-------------------------

To summarize, we have these three angles

a = 123

b = 123

c = 57

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3 years ago

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Masteriza [31]

Depends on the speed of the road assuming 65 or faster no they were not speeding. At 60 yes they were but not by much lol

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3 years ago

Find the value of X 90 58 122 32 <br> PLEASE ANSWER NOWW<br> 20pts

Viktor [21]

Answer:

Step-by-step explanation:

The two angles are equal

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What is the slope of the line shown below?

IrinaVladis [17]

Answer:

D. 7/3

Explanation:

Y1 - Y2 / X1 - X2

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3 years ago

Suppose that a recent poll found that 49% of adults believe that the overall state of moral values is poor. Complete parts (a)

Lunna [17]

Answer:

The mean of X is 122.5 and the standard deviation is 7.9.

Step-by-step explanation:

For each adult, there are only two possible outcomes. Either they believe that the overall state of moral values is poor, or they do not believe this. The probability of an adult believing this is independent of other adults. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

The expected value of the binomial distribution is:

$E(X) = np$