MATHEMATICS HIGH SCHOOL

A coin is biased such that it results in 2 heads out of every 3 coin flips,on average.Which statement is true?A.)The theoretical probability of getting heads from an unbiased coin is about 66%.B.)The sequence HTHTTHTTT is valid for the biased coinC.)The biased coin has about a 33% probability of displaying tails.D.)The sequence HTTHTHTHT is valid for the biased coin.

Answers

Answer 1
Answer: The answer is C becuase the biased coin has a probability of 66% of landing on heads so it has a 33% probability to land on tails

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What is the quotient written in scientific notation? 2x10^21 -------- 8x10^3 A)2.5x10^17 B)2.5x10^6 C)0.25x10^18 D)0.25x10^7
A 1992 poll conducted by the University of Montana classified respondents by gender and political party, as shown in the table below. We wonder if there is an association between gender and party affiliation. Which of the following would be the appropriate type of test to investigate our hypothesis? ( Democrat / Republican / Independent ) Male= ( 36 / 45 / 24 ) Female= ( 48 / 33 / 16 ) At the α = .10 level, what is the correct conclusion for the test? Question 4 options: A. There is an association between gender and party affiliation. B. There is no association between gender and party affiliation. C. Males tend to be Republicans. D. No conclusion can be made.
Suppose 3 rooms cost $596 and 5 rooms cost $860. Write an equation that represents the total cost for the number of rooms.

There are 18 students in Mrs. Lynn's first grade class. Eight of her students are boys. What is the ratio of girls to boys?

Answers

10:8 factors down to 5:4 (girls:boys) 
the ratio is 10 girls to 8 boys 

What is the similarity between numbers; 85,17,19,4 and 2

Answers

The correct answer for the question that is being presented above is this one: "They are all divisors of 6460."

I guess it asks for the Least Common Multiple (LCM) of these numbers.

85= 5*17
17=17
19=19
4=2^(2)
2=2
LCM(85,17,19,4,2)= 5* 17* 19* 2^(2)= 6460.
Conclusion: They are all divisors of 6460.

Jordan uses a linear equation to model the data in a table. Which reasoning might Jordan have used in the decision to model the data with a linear equation?The products of corresponding x- and y-values are equal.
The ratios of consecutive y-values are equal for evenly spaced x-values.
The change in y-values is not constant, but the change is constant for evenly spaced x-values.
The change in y-values is constant for evenly spaced x-values.

Answers

The change in x values and y values are proportional to each other for the given case. The correct option is (D).

What is the slope of straight line?

The slope of a straight line is the tangent of the angle formed by it with the positive x axis as the reference.

The negative slope indicates the rate of decrease while the positive shows the rate of increase.

In order to form a linear equation from a table,

The slope has to be found first.

For this, the ratio of the difference in the values of x and y are taken.

Which implies that the change in x values are directly proportional to the change in the values of y.

And the proportionality constant is known as the slope.

=> (y₂ - y₁) ∝ (x₂ - x₁)

=>  (y₂ - y₁)/(x₂ - x₁) = m

Hence, the change in y values are constant for change in x values.

To know more about slope click on,

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ANSWER:

the answer is D.

Of all the species in the world 4, out of every 5 are insects. What percentage of species are insects

Answers

If 4/5 are insects, 8/10, or .8, of the species are insects.  To find a percentage, multiply by 100 to find that 80% of the species are insects.

Answer:

80%

Step-by-step explanation:

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If the angles of a triangle are 10 45 and 23 what is the perimerter of the triangle

Answers

Answer:

No Solutions

Step-by-step explanation:

In a triangle, the sum of the angles has to be 180 degrees. It also is impossible to find the length of sides without at least one side, since the range of lengths is practically infinite. There are no solutions to this problem.

The following are angles in a convex quadrilateral: Angle A = 34 degrees Angle B = 108 degree Angle C = 65 degrees What is the measure of the missing angle?

Answers

In a quadrilateral all angels must equal 360 degress. So by adding your angels up and then subtracting them from 360, you will find the missing angle. 

34 + 108 + 65 = 207 

360-207 = 153 

Your unknown angle is 153 degrees
Well since it is a quadrilateral, the degrees equal 360. So add 108 + 34 + 65 = 207. Then subtract 207 from 360. 360 - 207 = 153. So 153 is your missing angle. To check just add 153 + 65 + 34 + 108 = 360.
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