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avanturin [10]
3 years ago
12

Chang has been given a list of 6 bands and asked to place a vote. his vote must have the names of his favorite and second favori

te bands from the list. how many different votes are possible?
Mathematics
1 answer:
pychu [463]3 years ago
8 0
If Chang has a list of 6 bands, then he can select 1 from 6 to be his favorite band. There remains 5 bands, and Chang can choose 1 from those 5 to be his second favorite.
Using the product rule, he obtain 6·5=30 different possible votes.
Answer: 30 possible votes

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If 4 + 6 = 10, does (4 + 6) X 3= 10 X 3? Why or why not?​
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3 years ago
A garden supply store sells two types of lawn mowers. Total ales of mowers for the year were $8379.70. The total number of mower
Anestetic [448]

Answer:

The number of small mowers are 19 and the large mowers are 11.

Step-by-step explanation:

Given:

A garden supply store sells two types of lawn mowers. Total sales of mowers for the year were $8379.70. The total number of mowers sold the 30. The small mower cost $249.99 and the large mower costs $329.99.

Now, to find the number of each type of mower sold.

Let the number of small mower be x.

And the number of large mower be  y.

So, total number of mowers are:

x+y=30

x=30-y\ \ \ ....(1)

Now, the total sales of mowers are:

249.99(x)+329.99(y)=8379.70

Substituting the value of x from equation (1) we get:

249.99(30-y)+329.99y=8379.70

7499.7-249.99y+329.99y=8379.70

7499.7+80y=8379.70

<em>Subtracting both sides by 7499.7 we get:</em>

80y=880

<em>Dividing both sides by 80 we get:</em>

y=11.

The number of large mower = 11.

Now, to get the number of small mowers we substitute the value of y  in equation ( 1 ):

x=30-y\\x=30-11\\x=19.

The number of small mower = 19.

Therefore, the number of small mowers are 19 and the large mowers are 11.

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