3 years ago

A card is drawn from a deck of cards p(queen or jack)

Mathematics

1 answer:

BigorU [14]3 years ago

4 0

5/54 this should be your answers hope this helps

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What is the solution of the equation (x – 5)2 + 3(x – 5) + 9 = 0? Use u substitution and the quadratic formula to solve.

Vitek1552 [10]

(X-5)2+3(X-5)+9 = 0
let expand the equation
(x)x2-(5)x2 + 3(x)-3(5) + 9 = 0
2x-10+3x-15+9=0
collect like terms
2x+3x-10-15+9 =0
5x-10-6 =0
5x-16=0
5x=0+16
5x=16
divide both side by 5 we have
x=16/5

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3 years ago

A quiz has 1 true-false question and 2 multiple choice questions that each have 4 answers what is the probability that someone q

Anit [1.1K]

1 true and false question = 1 / 2 chances
2 multiple choice question = 2/8
1/2 + 2/8 =
4/8 + 2/8 = 6/8.

6/8 = 3/4

you have a 75% chance of getting all 3 answers correct and getting a 100% on the quiz

hope this helps :D

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3 years ago

The mean per capita consumption of milk per year is 133 liters with a variance of 576. If a sample of 195 people is randomly sel

Valentin [98]

Answer:

Good Luck!

Step-by-step explanation: