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Archy [21]
2 years ago
15

Only four people can serve on a committee. how many committees can be selected from a group of 6 people

Mathematics
1 answer:
DerKrebs [107]2 years ago
7 0
15 committees can be selected from a group of 6 people: 6×5×4×3/(4×3×2×1)=15. This the same as considering 2 people who aren’t selected: 6×5/(2×1)=15.
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A triangle has sides of lengths 13, 21, and 24. is it a right triangle? explain
mel-nik [20]
<span>No, it doesn't. To find out if it's a right angled triangle, we use Pythagorean triple. It states that the square of the hypotenuse (the longest side) is equal to the sum of the squares of the opposite and adjacent sides. Obviously, the longest side, which is our hypotenuse is 24. So we want to find out whether the square of our hypotenuse is equal to the sum of the squares of the other two sides i. e 13 and 21. 24^ 2 = 576 ; 13^2 = 169 ; 21^2 = 441; So is 576 = 169 + 441. An emphatic No: hence the triangle isn't right angled since it doesn't satisfy pythagorean triple.. A^2 is not equal to B^2 + C^2 where a is the hypotenuse and b and c the opposite and adjacent sides.</span>
8 0
2 years ago
Simplify 7d+12-14d-3
Alchen [17]
7d+12-14d-3
Combine like terms
-7d+9
Hope this helped. 
4 0
3 years ago
A)Natalie has read 3/4 of a book that is 120 pages long. How many pages does she have left to read?
drek231 [11]
A) (1/4)*120=
B) 22.5 or 22 1/2
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D)0.125
E)1/3*70=24.33
F)1/9
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8 0
3 years ago
Read 2 more answers
Myles is working on his typing. He types for 3 minutes straight and is able
mariarad [96]

Answer:

y=50x

Step-by-step explanation:

150% 3 is 50

3 0
2 years ago
Read 2 more answers
Which is the equation of the graphed line written in standard form? y = x x – 1/2y = 0 x – y = 0 y =1/2x
Airida [17]

The standard for of this equation is x – y = 0

Firstly, options A and D are not in standard form, so they are not options.

To decided between B and C, we choose a point on the line and see if it works. For example, we'll use (2, 2).

x – y = 0

2 - 2 = 0

0 = 0

This is true for option C. Therefore, it is correct.


4 0
3 years ago
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