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lisabon 2012 [21]
3 years ago
15

Eight people enter a tennis tournament which each person must play every other person exactly once Determine the number of games

that will be played.
Mathematics
1 answer:
LiRa [457]3 years ago
7 0

Answer:

The answer is 28. Hope it helps :D

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Find the domain of f(x)=square root x^2−36.
vichka [17]
f(x)= \sqrt{x^{2}-36}   \\  \\ D: x^{2}-36 \geq 0 \\  \\ (x-6)(x+6)  \geq 0 \\  \\ x+6=0 \ \vee \ x-6=0 \\  \\ x=-6 \ \vee \ x=6 \\  \\ x\in (-\infty,-6 ) \ \cup \ (6,+\infty)
5 0
3 years ago
Find the equation of a line with a slope of -4 that passes through the point (-3, 8).
Nata [24]

Answer:

The equation of line is y = -4x -4.

Step-by-step explanation:

Given that:

Slope of the line = -4

Line passes through the point ( -3, 8)

The general equation of line is given by;

y - y1 =m(x-x1)

Putting the point and slope in equation

y - 8 = -4(x - (-3))

y - 8 = -4(x+3)

y - 8 = -4x - 12

y = -4x - 12 + 8

y = -4x -4

Hence,

The equation of line is y = -4x -4.

6 0
3 years ago
A rectangle has a length of 3.6 in, and a perimeter of 16.8 in.
zhannawk [14.2K]

Answer:

Width = 4.8 inches

Step-by-step explanation:

The perimeter of a rectangle is given by the formula:

P=2l+2w

Where

P is perimeter

l is length

w is width

Given length = 3.6 and perimeter = 16.8, we plug them in into the formula and figure out the width, w. Process shown below:

P=2l+2w\\16.8=2(3.6)+2w\\16.8=7.2+2w\\16.8-7.2=2w\\9.6=2w\\w=\frac{9.6}{2}\\w=4.8

Hence, the width is 4.8 inches

3 0
4 years ago
So this has to do with permutations and honestly I need an explanation on how I can figure these out.
AnnZ [28]
Well, the answer quite simple ....there are 4! ways to arrange these numbers...and as 4! = 4*3*2*1 = 24

hence 24 is the correct answer....


u can also remember it by theorem of multiplication as.....in first place (I.e. first code can be any no. out of 4,5,2&7 ....so 4*.....

as first place is acquired by a certain no. that leaves three no. to fill third place and when third place I'd occupied it leaves 2 numbers to fill second place and lastly only one no. to fill the last place .....so it's result will be like 4*3*2*1.



I know this is pretty much confusing ....but still I tried my best....

if anything troubles u here feel free to ask me
6 0
4 years ago
Which is the graph of the sequence defined by the function f(x) = 100(0.5)* - 1?
krok68 [10]

Answer: f  ( x)   =  − 50

Step-by-step explanation:

4 0
3 years ago
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