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lana66690 [7]
3 years ago
12

Ation in an Application Problem

Mathematics
1 answer:
Greeley [361]3 years ago
6 0
Less than $3 because 25/7/2
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Explain why the mass of an object remains the same both on earth and on the moon, but the same cannot be said about the weight o
Troyanec [42]

Answer.                        Mass is a measurement of how much matter is in an object; weight is a measurement of how hard gravity is pulling on that object. Your mass is the same wherever you are, on Earth; on the moon; floating in space, because the amount of stuff you're made of doesn't change.  hope this help.............

6 0
3 years ago
1. (12 points) The tennis team at Taft High School has 8 players, and the tennis team at McKinley High School has 7 players. Reb
Marta_Voda [28]

Complete Question

1. (12 points) The tennis team at Taft High School has 8 players, and the tennis team at McKinley High School has 7 players. Rebecca is on the team at Taft, and her sister Leah is on the team at McKinley. The two teams are going to play a tournament with 4 rounds. In each round, one player from Taft will play a match against one player from McKinley. Each player can play in at most one match. A schedule for the tournament consists of an ordered list of the names of the players from each school who will play in each of the four rounds. The schedule does not include the results of each match.

(a) How many schedules are there?

(b) How many schedules include neither sister?

Answer:

a

   N  =  1,411,200

b

  M  =  302, 400

Step-by-step explanation:

From the question we are told that

   The  number of players in Taft High School is t =  8

    The  number of players in McKinley High School  is k = 7

   The number of rounds is  n  =  4

   The highest number of match each player can play is  w =  1

   

Generally the total number of schedules is  

      N  = ^tP_4 * ^k P_4

      N  = ^8P_4 * ^7 P_4

=>   N  =  \frac{8!}{(8-4)!} * \frac{7!}{(7-4)!}

=>   N  =  \frac{8!}{4!} * \frac{7!}{3!}

=>  N  =  \frac{8*7 *6*5*4*3*2*1}{4*3*2*1} * \frac{7*6*5*4*3*2*1}{3*2*1}

=>  N  =  1,411,200

Generally the  number of schedules that include neither of the sisters is  mathematically represented as

        M= \ ^{t-1}P_4 *\ ^ {k-1} P_4

        M= \ ^{8-1}P_4 *\ ^ {7-1} P_4

=>    M= \ ^{7}P_4 *\ ^ {6} P_4

=>     M  =  \frac{7!}{(7-4)!} * \frac{6!}{(6-4)!}

=>     M  =  \frac{7!}{3!} * \frac{6!}{2!}

=>     M  =  \frac{7 *6*5*4*3*2*1}{3*2*1} * \frac{6*5*4*3*2*1}{2*1}

=>      M  =  302, 400

8 0
3 years ago
in a deck missing some cards, there are 4 diamonds for every 3 clubs. if there are 9 clubs, how many diamonds are there?
nikitadnepr [17]

Answer: 12 diamonds and 9 clubs

Step-by-step explanation:

4x3=12      4,3    8,6    12,9

7 0
3 years ago
Need help with this question
earnstyle [38]

Answer:

10 pennies 13 nickels

Step-by-step explanation:

pennies are worth 1 cent and nickels are worth 5.  13 times 5 is 65 and 10 times 1 is 10.  65 plus 10 is 75 and 13 is 3 more nickels than 10 pennies.

6 0
3 years ago
Read 2 more answers
(6x^2 - 4x + 11) + ( 4 - x^2 -3x)
Brrunno [24]
This is the simplified expression, if that's what you're asking for: 5x^2 - 7x + 15.
8 0
3 years ago
Read 2 more answers
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