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alexgriva [62]
3 years ago
13

What type of counting problem is this?

Mathematics
2 answers:
Elis [28]3 years ago
8 0

Answer:

Step-by-step explanation:

Combination without repetition

scZoUnD [109]3 years ago
5 0
Combination without repetition
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Can you please explain number 2 ? Thank you ☺️
IRINA_888 [86]

Answer:

Step-by-step explanation:

6 0
3 years ago
-1/3x-4/3y=-2 1/3x-2/3y=4 using elimination
Minchanka [31]

-1/3x-4/3y=2

1/3x-2/3y=4

First realize that the coefficient of x is -1/3 and 1/3 which can be eliminated with addition

Adding the two equations together gets

-6/3y=6

Simplify

-2y=6

y=-3

Substitute back into original equation

1/3x-2/3(-3)=4

1/3x+2=4

1/3x=2

x=6

Answer

x=6, y=-3

Check answer

-1/3(6)-4/3(-3) =?= 2

                -2+4=2

                     2=2

Done!

5 0
3 years ago
Eden bought a new phone. The phone's retail price is $199. In addition, she paid sales tax of 8% of the retail price. A few days
natka813 [3]

Answer:

164.92

Step-by-step explanation:

6 0
3 years ago
brett shaded 4/8 of a sheet of notebook paper. aisha says he shaded 1/2 of the paper. are the two fractions. equivalent? if so,
defon
Yes they are equivalent. Another fraction would be 2/4
6 0
3 years ago
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A stack of cards is numbered 1 to 21. Kelly pulls one card from the stack. What is the best approximation for the probability th
ASHA 777 [7]
The correct answer is 48%

There are 10 even numbers from 1 to 21.

That makes the probability of an even number 10 out 21.

10 / 21 x 100 = 48%
8 0
4 years ago
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