3 years ago

A class of 36 students has 18 boys. What is the ratio of girls to boys? What is the ratio of boys to girls?

Mathematics

1 answer:

Mama L [17]3 years ago

4 0

Answer:

18:18

Step-by-step explanation:

You first do 36-18 and then add your answer with the 18 to check it and correct it.

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Help for question 1 and 2

AnnyKZ [126]

Answer:

(1). $5^{4}$ × $13^{7}$ ; (2). 3 - 5x

Step-by-step explanation:

1). [( - 5 )³ · ( - 5 )] ( $13^{-2}$ · $13^{9}$ ) = $(-5)^{3+1}$ × $(13)^{-2+9}$ = $(-5)^{4}$ × $13^{7}$ = $5^{4}$ × $13^{7}$

2). - 25x² ÷ 5x + 15x ÷ 5x = 3 - 5x

4 0

2 years ago

Is 10/18 and 45/18 proportional

ValentinkaMS [17]

Answer:

Step-by-step explanation:

10/18 does not equal 45/18

An example of a proportional number is:

4/5 and 8/10

Both numbers are multiplied by 2 making them proportional

10/18 and 45/18 are not proportional

Hope this helped :)

6 0

3 years ago

there are 5 green marbles, 4 red marbles, and 3 yellow marbles in a bag. John selects a marble at random, keeps it, and then sel

Daniel [21]

Answer:

1/22

Step-by-step explanation:

12 total marbles
5/12 - 1/1 = 4/11
4/11 - 1/1 = 3/10
5/12 × 4/11 × 3/10 = 1/22

3 0

3 years ago

Which statement best compares savings accounts and money market accounts?

Kazeer [188]

A regular savings account

5 0

2 years ago

Would really appreciate the help??

erik [133]

Answer:

You would use tan(theta) = 7/5 to find the angle measure

3 0

3 years ago