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sergejj [24]
4 years ago
9

The ratio of boys to girls in a class is 3:5. There are 32 students in the class. How many more girls than boys are there?

Mathematics
1 answer:
Mandarinka [93]4 years ago
6 0

Answer:

There are 8 more girls

Step-by-step explanation:

If you divide 32 by 8 (since the ratio is 3:5 which is 8 parts (3+5)). You get 4.

Thus, there are 12 boys and 20 because 3*4 is 12 and 5*4 is 20. 12+20 is 32.

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Solve n+m/p = q for the variable n
konstantin123 [22]
N+m/p=q
Multiply by p
Np+m=pq
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Np=pq-m
Divide by p
N=(pq-m)/p
8 0
3 years ago
Read 2 more answers
There are three novels on Sam's reading table: Light, Zami, and Money.
ivolga24 [154]

The subsets of the set of novels is given as follows:

{Ø, {Light}, {Zami}, {Money}, {Light, Zami}, {Light, Money}, {Zami, Money}, {Light, Zami, Money}}.

<h3>How to find the subsets of a set?</h3>

Suppose we have a set with cardinality n, that is, with n elements. This set will have 2^n subsets, which are all the possible combinations with the elements of the set, including the empty set.

In this problem, the novels are given as follows:

Light, Zami, and Money.

Hence the possible subsets are given as follows:

{Ø, {Light}, {Zami}, {Money}, {Light, Zami}, {Light, Money}, {Zami, Money}, {Light, Zami, Money}}.

With is the list that is asked for this problem, which are the subsets of the set of novels.

More can be learned about the sub-sets of a set at brainly.com/question/2000547

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3 0
2 years ago
the ratio of the number of boys to the number of girls in a school is seventh to nine if there are 1240 students in the school h
Papessa [141]
There are 137.7 girls. Divide 1240 by 9.
7 0
3 years ago
Evaluate<br> 5! 4!<br> ____<br> 7! 2!<br> Simple as much as possible
shepuryov [24]

The value of the factorial is 5!4!/7!2! = 2/7

<h3>What is factorial?</h3>

The product of all positive integers less than or equal to a given positive integer and denoted by that integer and an exclamation point.

Given:

5!4!/7!2!

= 5!* 4*3*2!/7*6*5!*2!

=4*3/7*6

=12/42

=4/14

=2/7

Hence, 5!4!/7!2! = 2/7.

Learn more about factorial here:

brainly.com/question/1357774

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8 0
2 years ago
Mark Ogara rented a truck from Avis Rent-A-Car for the weekend (2 days). The base rental price was $30.15 per day plus 1234 cent
ValentinkaMS [17]

Answer:

Total cost= $111.25

Step-by-step explanation:

Giving the following information:

Rentas days= 2 days

The base rental price was $30.15 per day plus 1234 cents per mile. Mark drove 412.85 miles.

<u>We need to determine the total cost formula and the total cost.</u>

<u></u>

Total cost= 30.15y + 0.1234x

y= days

x= miles

Total cost= 30.15*2 + 0.1234*412.85

Total cost= $111.25

7 0
3 years ago
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