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frutty [35]
3 years ago
11

Helppppppppppppp ASAP

Mathematics
2 answers:
zvonat [6]3 years ago
8 0
Option c because I took the test
Ivan3 years ago
6 0

The formula for N choose K is given as:

C(n, k)= \frac{n!}{[k!(n-k)!]  }

Where,

n is the total numbers.

k is the number of the selected item.

Options C is correct.

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Find four consecutive integers such that 5 times the fourth diminished by twice the second is 7
Lynna [10]

Answer:

-2, -1, 0, 1

Step-by-step explanation:

Let the 4 numbers be x,x+1, x+2, x+3

Then we have the equation:-

5(x+3)-2(x+1) = 7

5x - 2x + 15 - 2 = 7

3x = - 6

x = -2


so the integers are  -2, -1, 0, 1

7 0
3 years ago
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Diano4ka-milaya [45]

Answer:

calculator

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3 years ago
Why do you think y= ax+b is called a linear equation <br> Please help
Shalnov [3]

Answer:

Y=mx+b Is a linear equasion because if you plot the x and y on a graph it always shows a straight line.

Step-by-step explanation:

For example, y=7x+9,

When x is 1 y is 16, and

when x is 2 y is 23.

When you put those two points on a graph and connect the dots with a ruler, you get a straight line, and you will automatically find that when x is 3 y is 30.

3 0
3 years ago
Read 2 more answers
What is the value of x?
Evgesh-ka [11]

Answer:

7

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8 0
3 years ago
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20. A shoe store owner had an employee record the shoe sizes purchased by customers during one hour on two different days. The
Ulleksa [173]

Answer:

The correct option is C. 9

Step-by-step explanation:

From the graphs shown in the attached file we can see that the maximum number of shoes bought were of size 9. On both days the number of size 9 shoes bought was 5 which was the highest number of shoes bought for any size shoe. Therefore since size 9 sell the most on both days the owner should stock most of size 9 shoes in the store's inventory.

3 0
3 years ago
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