Can anyone help me on this one

Mathematics

1 answer:

Serhud [2]2 years ago

7 0

Answer:

it is B. 7.989

Step-by-step explanation:

Brainliest plz

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Which of the following conditions must be met in order to make a statistical inference about a population based on a

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The correct answer is C. n is greater than or equal to 30

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2 years ago

Work out 77 % of 775.66 m Give your answer rounded to 2 DP.

Zinaida [17]

Answer:

597.25 m

Step-by-step explanation:

We need to find 77% of 775.66 m.

It can be calculated as follows :

$77\%\times 775.66\\\\=\dfrac{77}{100}\times 775.66\\\\=597.25\ m$

So, 77% of 775.66 m is equal to 597.25 m.

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3 years ago

How would you convert an angle in degrees to an angle in radians?

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For reference, one full circle is 360 degrees or 2pi radians.

If we were to convert 360 degrees to radians, we could set up the following equation:

360k = 2pi

where k is a constant. By solving for k, we can find what value we must multiply any angle in degrees by to get its radian counterpart.

Divide both sides by 360:

k = 2pi/360

Reduce:

k = pi/180

So to convert an angle from degrees to radians, multiply it by pi/180. For example, 120 degrees would be:

120 * pi/180 = 2pi/3 radians

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3 years ago

The graph below shows the speed of a car that is driven through a town and then on a major highway. During which of the followin

Varvara68 [4.7K]

Considering the graph of the velocity of the car, it is found that the interval in which it was stopped at a traffic light was:

Between 3 and 4 minutes.

<h3>When is a car stopped at a traffic light?</h3>

When a car is stopped at a traffic light, the car is not moving, that is, it's velocity is of zero.

In this problem, the graph gives the <u>velocity as a function of time</u>, and it is at zero between 3 and 4 minutes, hence the interval in which it was stopped at a traffic light was:

Between 3 and 4 minutes.

More can be learned about the interpretation of the graph of a function at brainly.com/question/3939432

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1 year ago

Simon must maintain an average grade of 80% or better in his math class to be eligible to play sports.His math grade so far are

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Answer:

Let x be the percentage score he got in fifth test,

According to the question,

His score in first, second, third and fourth test are 80%, 84%, 76% and 77% respectively,

Thus, the average of his total score in the five test,