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zvonat [6]
3 years ago
8

Each year the local country club sponsors a tennis tournament.Play starts with 128 participants.During each round,half of the pl

ayers are eliminated.How many players remain after 5 rounds?
Mathematics
1 answer:
wel3 years ago
5 0
Round 1, 128 / 2 = 64

Round 2, 64 / 2 = 32

Round 3, 32 / 2 = 16

Round 4, 16/ 2 = 8

Round 5, 8 / 2 = 4

The final answer is 4 players

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X + y = -1<br> X - y = 7
enyata [817]
1: Solve for either x or y in one of the equations. So x + y = -1 is y = -x -1
2: substitute the new equation in the opposite equation. So x - (-x - 1) = 7
3: distribute the negative. X + x + 1 = 7
4: combine like terms. 2x + 1 = 7
5: solve for x. Subtract 1 on both sides. 2x = 6
6: divide by 2 to get x by itself. X = 3
7: plug the new value of x into one of the ORIGINAL equations. 3 + y = -1
8: solve for y. Subtract 3 on both sides.
Y = -4
9: the solution is written as (x,y) so the solution would be (3, -4)
4 0
3 years ago
A tropical species of mite named Archegozetes longisetosus is the record holder for the strongest insect in the world. It can li
taurus [48]

We are given that the insect can lift 1.182 x 10^3 times it's own weight. Say that w is weight, so the lift is:

lift = 1.182 x 10^3 * w

 

Assuming that your body weight is 60 kg, therefore you can lift:

lift = 1.182 x 10^3 * 60 kg = 70,920 kg

8 0
3 years ago
Read 2 more answers
Which value would be a solution for × in the inequality 47-4×&lt;7
Bad White [126]

Step-by-step explanation:

47-4x<7

-4x<7-47

-4x<-40

x>(40÷4)

x>10

6 0
3 years ago
Find the domain of the function algebraically q(r)=3square root r^2 -16
lawyer [7]
Hello : 
q(r)=3<span>√(r²-16)
q  exist : r² - 16 </span><span>≥ 0
r² </span><span>≥ 16
</span>√r² ≥ √16
but :  √16 = 4    and  √r² = <span>|r |
</span>|r | ≥ 4
r ≤ 4 or  r  ≥ 4 
the domain is :  ] -∞, 4] ∪  [,4 , + ∞ [

 
4 0
3 years ago
Gill Rolls a number Cube 78 times how many times can he expect to roll a number greater than one
saul85 [17]
Argument
The only number he can't roll is the number one. There are 5 numbers that he can roll.

The probability of success therefore is 5/6.

Formula
Number of successful rolls = probability of success * total number of rolls.
Total number of rolls = 78
Probability = 5/6

Number of successful Rolls = 5/6 * 78 
Number of successful Rolls = 390/6
Number of successful Rolls = 65

Answer
He should roll a number greater than one 65 times <<<<< answer

5 0
3 years ago
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