How to turn mixed numbers into decimals? For example 1/20

Answers

Answer 1

Answer: To convert a mixed number into decimals using this example.
1/20 converted to a decimal is 1 divided by 20
$1/20=.05$
you divide the numerator by the denominator

Answer 2

Answer: technically 1/20 in not a mixed number but if you did have a mixed number first you would convert it into an improper fraction for example 7 1/4 you would change it to 29/4 then you would divide 29 by 4 your answer to that would be 7.25 (also 1/20 as a decimal would be 0.05

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You and your friends pick up seven movies to watch over a holiday. You have time to watch only two. In how many ways can you select the two to watch?

Answers

Answer:

There are 21 ways to select the two movies to watch.

Step-by-step explanation:

In mathematics, the procedure to select k items from n distinct items, without replacement, is known as combinations.

The formula to compute the combinations of k items from n is given by the formula:

${n\choose k}=(n!)/(k!(n-k)!)$

It is provided that there are n = 7 movies to watch.

But we only have time for k = 2.

Compute the total number of ways in which we can select 2 movies from 7 as follows:

${7\choose 2}=(7!)/(2!(7-2)!)$

$=(7!)/(2!* 5!)\n\n=(7* 6* 5!)/(2!* 5!)\n\n=(7*6)/(2* 1)\n\n=21$

Thus, there are 21 ways to select the two movies to watch.

Point P was rotated by 120(the center of rotation is indicated)

Answers

After rotating point P by 120 degrees around the indicated center of rotation, the new position of point P can be calculated using trigonometric principles and the fraction of a full rotation it has undergone, resulting in its new coordinates.

To find the new position of point P, we can use the following steps:

Draw a line segment from the center of rotation to point P.

Measure the angle between the initial position of the line segment and the final position after the rotation. In this case, the angle is 120 degrees.

Divide the angle of rotation by the number of equal parts in a full circle (360 degrees). This will give us the fraction of a full rotation that the point has undergone. In this case,

120/360 = 1/3 of a full rotation.

Using trigonometric functions (sine and cosine), calculate the new coordinates of point P based on its distance from the center of rotation and the fraction of the circle it has rotated through.

To know more about rotation here

brainly.com/question/34828607

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Answer:

I think it is

hope this helps

4X + 5Y = 21
-4X + 8Y = -8
And
X + 5Y = 5
3X - 5Y = 3

Answers

Answer:

for the first one

Step-by-step explanation:

(x,y)=(4,1)

Consider this statement:for every 2 boys, there are 4 girls.do you agree with the statement?

Answers

yes, because the ratio would be 1 boy for every 2 girls, meaning 2 boys for 4 girls would make sense. they could be trying to trick you, but I think it's correct. It's not fully simplified but it still is accurate

There are 60 new houses being built in a neighborhood. Last month, 1/4 of them were sold. This month,1/3 of the remaining houses were sold. How many houses are left to be sold?

Answers

Answer:

5 houses left

Step-by-step explanation:

1/4 of 60 is 15

1/3 of 15 is 5

On this chapter quiz for this course you can study for up to four hours If you don't study at all you will get a 70. One hour would give you an 80, the second hour increased your score to 89, the third to 92. If you studied the fourth hour your score would be 87. In which hour did diminishing returns set in? a. The second because your gain is less than the previous hour. b. The fourth because you had a drop in points in this hour. c. The third because your score peaked there. d. The first because the score was the lowest of the studying options.

Answers

Answer:

Step-by-step explanation:

Given that On this chapter quiz for this course you can study for up to four hours

Study time Marks expected Difference

0 80

2 89 9

3 92 3

4 87 -5

Thus we find when hours increase the scores also increase upto 3 hours but after that it starts decreasing.

Hence answer is

b. The fourth because you had a drop in points in this hour.

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