How do you find the mean? I'm an idiot right now.

Answers

Answer 1
Answer:

Answer:

the mean is the average of all the numbers. first add up all numbers. then divide by how many numbers there are.

hope this helps


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It takes 6 hours to travel 372 miles how many hors will it take to travel 279

Answers

Answer:

It takes 4.5 hours to travel 279 miles or it takes 4 hours 30 minutes to travel 279 miles

Step-by-step explanation:

Consider the provided information.

It takes 6 hours to travel 372 miles

It can be written as:

6 hours = 372 miles

6 hours ÷ 372 = 1 miles

1\ miles = (6\ hours)/(372)

Now we need to calculate how many hours will it take to travel 279.

Multiply both the sides by 279.

1\ miles * 279= (6\ hours)/(372)* 279

279\ miles = 0.01613\ hours * 279

279\ miles = 4.5\ hours

We can convert 4.5 hours into minutes:

Here 0.5 represents the half of 60 minutes i.e 30 minutes.

Thus it take 4 hours 30 minutes to travel 279 miles.

Hence, it takes 4.5 hours to travel 279 miles or it takes 4 hours 30 minutes to travel 279 miles

372/6=62 meaning they are traveling 62 mph 279/62=4.5 so it will take them 4.5 hours to travel 279 miles

What is 7/8 closest to

Answers

Answer:

1

Step-by-step explanation:

The question seems incomplete so rounding to the nearest whole number I’m guessing your answer is 1

Which numbers should be multiplied to obtain 175^2 − 124^2?51 and 299

51 and 51

30501 and 30749

2601 and 2601

Answers

you have to multiply 51 and 299 you will gets 15249 wich is the same as 175^2 - 124^2

Your Answer:

A.) 51 and 299

Step-by-step explanation:

In order to find out what other numbers are multiplied to obtain x, our unknown value, we must first square 175² - 124². 175² is equal to 30625 and 124² is equal to 15376. When we subtract 30625 and 15376, we get 15249. Now that we have found out our once unknown value, we will multiply the numbers from the list of choices to see which to values lead up to the product 15249. After multiplying 51 and 299, we find that they equal 15249, our desired answer.

Hope this helps y'all :D

Please help! 100 points!

Answers

Answer:

D

Step-by-step explanation:

Secant is hypotenuse / adjacent, while cosine is adjacent / hypotenuse. In fact, secant = 1/cosine.

Here, we know that cos(θ) = 2/19, so sec(θ) = 1/(2/19) = 19/2.

The answer is thus D.

Answer:

D

Step-by-step explanation:

sec(theta) = 1/cos(theta)

= 1 ÷ 2/19

= 1 × 19/2

= 19/2

Raymond just got done jumping at Super Bounce Trampoline Center. The total cost of his session was \$43.25$43.25dollar sign, 43, point, 25. He had to pay a \$7$7dollar sign, 7 entrance fee, and \$1.25$1.25dollar sign, 1, point, 25 for every minute he was on the trampoline.

Answers

Answer:

29 minutes

Step-by-step explanation:

Given

Total = \$43.25

Entrance\ Fee = \$7

Per\ Minute = \$1.25

Required

Determine the number of minutes (t) that he was on the trampoline.

This can be expressed as:

Total\ Payment = Entrance\ Fee + Amount\ per\ minute * t

Where t represents the number of minutes

Substitute values for Total, Entrance Fee and Amount per minute

43.25 = 7 + 1.25 * t

43.25 = 7 + 1.25t

Solving further to get the value of t, we have:

1.25t = 43.25 - 7

1.25t = 36.25

t = 36.25/1.25

t = 29

Answer:

29 minutes

Step-by-step explanation:

7 + 1.25t = 43.25 is the equation

How did I solve this?

I divided those two and that is how you get the equation

In total is 29 minutes

I did the Khan and it was right!

Hope this helps :)

Joan bought a soft drink for 6.50 dollars and 12 candy bars. She spent a total of 65 dollars. How much did each candy bar cost? Which equation matches this problem?

Answers

Answer:

0.406 (3 d.p)

Step-by-step explanation:

Let's call the cost of each candy bar "x" dollars. We can set up an equation to represent the situation:

6.50 + 12x = 65

This equation represents the problem. Now, we can solve for "x" to find the cost of each candy bar.

6.50 + 12x = 65

12x = 65 - 6.50

12x = 58.50

x = 58.50/12

x = 0.406 (3 d.p)

d.p means decimal point

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