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Roman55 [17]
3 years ago
10

Someone help me please ASAP thanks you

Mathematics
1 answer:
Len [333]3 years ago
7 0
The answer to that one is the first box definitely 

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A group of 10 people is choose a chairperson and vice-chairperson. They put all 10 peoples names into a bar. The first name draw
Tanzania [10]

Answer:

90

Step-by-step explanation:

A group of 10 people is choose a chairperson and vice-chairperson. They put all 10 peoples names into a bar. The first name drawn becomes chair. The second name drawn becomes vice-chair. How many possible combinations of chair and Vice-chair are there ?

This is calculated using the Permutation formula

nPr = n!/(n - r)!

Where:

n = 10 people

r = 2 = 2 positions to be filled , Chairman and Vice chairman

Hence:

10P2 = 10!/(10 - 2)!

= 90 ways

8 0
3 years ago
Carolyn is building a pen for her dog. The perimeter of the pen is 52ft... The fencing material is sold by the yard. It costs 10
ANEK [815]
1 yd = 3ft
52 ft = 17 +1/3 yards
she must by 18 yards as the only sell by yard, not feet.
18 x 10.99
197.82

3 0
3 years ago
Figure ABCD has vertices A(-2,3), B(4,3), C(4,-2), and D(-2,0). What is the area of figure ABCD
zhannawk [14.2K]

Answer:

24 units

Step-by-step explanation:

As we can see in the attached picture. The area will be given by the sum of the area of the rectangle and the area of the triangle in the bottom.

The rectangle has a base of 6 units and a height of 3 units. Therefore:

A1 = bh = 6*3 = 18 units.

The triangle has a base of 6 units and a height of 2 units. Therefore:

A2 = (1/2)bh = (6*2)/ 2 = 6 units

Then, the total area is:

A = A1 + A2 = 6 + 18 = 24 units

6 0
4 years ago
give an example of a repeating decimal where two digits repeat. explain why your number is a rational number
Mama L [17]
1.666666, any decimal or number that is repeating can be written in a/b format and b not equal zero is rational. Repeating decimals can be considered rational because they can be represented as a ratio of two integers. 
5 0
3 years ago
1. Is the function g(x) increasing or decreasing over the interval -2 < x <-1?
Sergeeva-Olga [200]

Answer:

g(x) increasing

h(x) decreasing

Step-by-step explanation:

Since the value of y gets larger as the value of x increases over the interval -2 <x<-1 for the function g(x), the function is increasing

Since the value of y gets smaller as the value of x increases over the interval -2 <x<-1 for the function h(x), the function is decreasing

5 0
3 years ago
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