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Oduvanchick [21]
3 years ago
13

Find the Least Common Multiple of 9 and 20.

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
8 0
180, because 9 and 20 don’t have any common multiple (both numbers couldn’t be simplified)
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4(z-5)+2=4z-18 <br> A 0<br> B 1<br> C infinitely many
Katarina [22]
<span>4(z-5)+2=4z-18 
4z - 20 + 2 = 4z - 18
4z - 18 = 4z - 18
0 = 0
answer
</span><span>C infinitely many</span>
4 0
3 years ago
Each of the teams in a mixed volleyball league consists of 5 men and 5 women. there are 9 men and 10 women, including julia, who
IRISSAK [1]

Using the combination formula, it is found that 15,876 teams would include Julia.

The order in which the people are chosen to the team is not important, hence the combination formula is used to solve this question.

<h3>What is the combination formula?</h3>

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by:

C_{n,x} = \frac{n!}{x!(n-x)!}

In this problem:

  • 5 men are chosen from a set of 9.
  • 4 women are chosen from a set of 9(as Julia is already on the team).

Hence the number of teams is given by:

C_{9,5} \times C_{9,4} = \frac{9!}{5!4!} \times \frac{9!}{5!4!} = 15876

More can be learned about the combination formula at brainly.com/question/25821700

#SPJ1

8 0
2 years ago
Simon is ordering a salad for lunch, he can choose one lettuce
Elis [28]

The simon can order about 48 different salads out of 6 lettuce and 8 toppings.

<h3>What is arrangement?</h3>

An arrangement is defined as a combination of things that make up a design or that are laid out in a certain way.

here there are 8 toppings and 6 lettuce moxes to choose from.So there can be 8\times 6=48 arrangements of the salads re possible.

So Simon can order about 48 different salads out of 6 lettuce and 8 toppings

To know more about arrangements follow

brainly.com/question/6032811

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8 0
2 years ago
20% of a is 11. What is a?​
Reika [66]

Answer:

a=55

Step-by-step explanation:

This question is asking for you to find the whole (a), given a part (11). This can be done through multiplication. 20% is 1/5 of 100%. This means to find the whole number, you should multiply the part by 5. 11*5=55. So, a must equal 55.

We can check this answer by working backward. Do this by finding 20% of 55, and checking to see if it is 11. To find a percentage of a number, multiply that number by the percent in decimal form. So, 20% of 55 is equal to 0.2*55, which is 11. Therefore, the answer is correct.

5 0
2 years ago
Read 2 more answers
(-3,4) is one of many solutions to the inequality: <br><br> 2x+y ≥ -2<br><br> True or false
Blababa [14]

Answer:

True

Step-by-step explanation:

3 0
3 years ago
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