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3 years ago

Patty, Quinlan, and Rashad want to be club officers. The teacher who directs the club will place their names in a hat and

Mathematics

2 answers:

GarryVolchara [31]3 years ago

4 0

Answer:

S = {PQ, QP, PR, RP, QR, RQ}

P = Pat Q = Quinlan R = Rashad

Now, the teacher is going to draw out of the hat one first, without replacement, and then draw another one. The first one will be the president, and that could be P, Q or R, and the second one is the Vice president, and since one has already being drawn, that could only be two fellows. The total of likely outcomes is PQ,QP, PR, RP, QR, RQ, one paired up with either of the two remaining in the hat.

loris [4]3 years ago

3 0

Answer:D

Step-by-step explanation:

got it right e2020

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A farmer raises only ducks and pigs. There are 55 animals in all on his farm, and 146 legs.

nordsb [41]

Answer:

Number of ducks = 37

Number of pigs = 18

Step-by-step explanation:

Let,

x be the number of ducks

y be the number of pigs

According to given statement;

x+y=55 Eqn 1

2x+4y=146 Eqn 2 (As ducks will have 2 legs and pigs will have 4)

Multiplying Eqn 1 by 2

2(x+y=55)

2x+2y=110 Eqn 3

Subtracting Eqn 3 from Eqn 2

(2x+4y)-(2x+2y)=146-110

2x+4y-2x-2y=36

2y=36

Dividing both sides by 2

$\frac{2y}{2}=\frac{36}{2}\\y=18$

Putting y=18 in Eqn 1

x+18=55

x = 55-18

x = 37

Hence,

Number of ducks = 37

Number of pigs = 18

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I’m A Triangle, The Sum Of Any Two Side Lenghts, Finish The Sentence

Alchen [17]

Equals the third side length

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3 years ago

What is the slope of the line in the graph?

Vilka [71]

Answer:

1 is the slope

according to given graph.

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xenn [34]

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If a wind turbine makes 76 full revolutions every 1 minute what is it’s angular speed?

Maslowich

Answer: $7.958 \frac{rad}{s}$

Step-by-step explanation:

We are told the wind turbine makes 76 revolutions in 1 minute. This means the angular speed $\omega$ of the object in revolutions per minute (rpm) is: