Write in simplest form - 8:20

Answers

Answer 1

Answer: To write this ratio in simplest form, we simply need to take all the common factors on both sides and divide.
For this one, we can see that both 8 and 20 are divisible by 2, so we will start with that.

8:20 = (8 / 2):(20 / 2) = 4:10

And these both still are divisible by 2 yet again, so we can continue dividing.

4:10 = (4 / 2):(10 / 2) = 2:5

And that's our answer.
8:20 in simplest form is 2:5.
Hope that helped! =)

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Susan averages 8 birdies in an 18 hole round of golf. how many birdies should she expect after playing 45?

Answers

Hey there, 8 birdies in an 18 hole is 8/18, 8/18 simplified is 4/9, 4/9*45=20. Therefore, the answer is 20 birdies.

The teachers’ edition of a statistics textbook sells for $150, and students’ edition of the book sell for $50 each. Which function can be used to find the average cost per book if two teachers’ editions and x students’ editions are purchased? a) f(x)= 150+50x over 1+x
b) f(x)= 150+50x over 2+x
c) f(x)= 300+50x over 1+x
d) f(x)= 300+50x over 2+x

Answers

Answer: d) f(x)= 300+50x over 2+x

Step-by-step explanation:

Since, the money earned by a teacher in selling a book = $ 150

⇒ The money earned by 2 teacher = $ 300

Now, the money earned by a student in selling the book = $ 50

⇒ The money earned by x students = 50x

Thus, the total collection by 2 teacher and x students = 300 + 50x

And, the total persons = 2 teachers + x students = 2 + x

$\text{ The average collection}=\frac{\text{ Total collection}}{\text{Total persons}}$

$=(300+50x)/(2+x)$

⇒ Option d) is correct.

Average =
Sum of all / total number of things

The sum of that would be 300 + 50x
The total number of things would be 2+x

Therefore it is
(300+50x) /2+x

What is the approximate value of the function at x = -3?

Answers

The answer is that u have to see what = 3 equals three so find that out and u have ur answer

The endpoints of a segment are (4, 2) and (_2, 2). What are the endpoints of the segment after it has been translated 6 units down? A)(X,Y) (x-9,y-2)
B)(X,Y) (X+1,X+2)
C)(X,Y)(X+1,Y+2)
D)(X,Y)(X+9,Y+2)

Answers

I think the correct answer from the choices listed above is option A. The endpoints of the segment after it has been translated 6 units down would be )(X,Y) (x-9,y-2). Hope this answers the question. Have a nice day. Feel free to ask more questions.

Bradley is in a class of 15 boys and 10 girls. 40% of the class takes the bus to school. How many students do not take the bus to school?

Answers

Answer:

30 Students

Step-by-step explanation:

As given

Bill is in a class of 15 boys and 35 girls.

Total number of students in the class = Number of boys + Number of girls

= 15 + 35

= 50

As given

40% of the students in the class take the bus to school.

40% is written in the decimal form.

= 0.40

Number of students take bus to school = 0.40 × Total students in class.

= 0.40 × 50

= 20

.Thus

Students not take bus to school = Total students - Number of students take bus to school

= 50 - 20

= 30

Therefore 30 students not take bus to school .

Answer:

15 students

Step-by-step explanation:

First of we have to calculate how many students there are in the class. There are 15 boys and 10 girls, whish means there are 25 people in total (15+10=25).

Since 40% takes the bus to school, 60% of the sudents do not take the bus to school. The easiest way to calculate how many students is 60% is to first divide the students with 10. 25/10 is 2.5. 2.5 students is 10% of 25 students (100% divided by 10 is 10%).

To get 60%, the number of students has to be multiplied with 6, because 10% times 6 is 60%.

2.5 (10%) times 6 is 15, so the answer is 15.

Use the discriminant to determine the nature of the roots of the quadratic equation