MATHEMATICS HIGH SCHOOL

Sam is determining the area of a triangle. In this triangle, the value for the height is a terminating decimal, and the value for the base is a repeating decimal. What can be concluded about the area of this triangle?

Answers

Answer 1
Answer: The area of the triangle is a rational number,
since both its base and its height are.
Answer 2
Answer:

Answer:

C

Step-by-step explanation:

edge2020

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Which of the following is a polynomial with roots 4, −5, and 7?Question 4 options:

1) f(x) = x3 − 6x2 − 27x + 140
2) f(x) = x3 − 6x2 − 20x + 27
3) f(x) = x3 − 20x2 − 27x + 35
4) f(x) = x3 − 20x2 − 35x + 140

Answers

If x = 4, then the factor is (x - 4); if x = -5, then the factor is (x + 5); if x = 7, then the factor is (x - 7).  We need to FOIL all these together to get a third degree polynomial.  (x - 4)(x + 5) = (x^2 + x - 20).  Now multiply that by (x- 7):  (x^2+x-20)(x-7) = x^3+x^2-20x-7x^2-7x+140.  Combine like terms to get  x^3-6x^2-27x+140,  the first choice above.

Answer: 1) f(x) = x3 − 6x2 − 27x + 140

Which of the following is a polynomial with roots 4, −5, and 7?

Question 4 options:

1) f(x) = x3 − 6x2 − 27x + 140

2) f(x) = x3 − 6x2 − 20x + 27

3) f(x) = x3 − 20x2 − 27x + 35

4) f(x) = x3 − 20x2 − 35x + 140

Step-by-step explanation:

I just did the assignment and the correct answer was 1). f(x) = x3 − 6x2 − 27x + 140. Hope this helps.

Good Luck!!

How many bones does a human body have?

Answers

It depends one the person but the most average number is 254 bones
The human body has 206 bones, an easier way instead of waiting for someone to answer you could of just searched it up on google hope i helped:)

Line segment AB measures 18 units. A number line with no numbers. A closed circle above the line is labeled A. A closed circle nine notches down the line is labeled B. The space between point A and the next notch is labeled d. What is d, the distance between tick marks on the number line? 1 unit 2 units 3 units 9 units

Answers

Answer: 2 units

Step-by-step explanation:

Given that :

Length of of line segment (AB) = 18 Units

d = distance between point A and successive notch

Number of notches between point A and B = 9

If the length of line AB = 18 units and the number of notches between point A and B = 9

Then distance d, between successive tick marks :

Length of Line segment / number of notches or tick marks between A and B

= 18 units / 9

= 2 units.

Hence distance between tick marks on the number line is 2 units.

Answer:

its b

Step-by-step explanation:

b on edu 2020

To determine whether voters would be willing to vote for a tax increase to improve the city's schools, the board of education surveys 500 parents of children in the city's schools. Why is this sample likely to be biased?

A.The entire population of the city was not surveyed.

B.Parents of school children are too busy to be bothered with surveys.

C.There are not enough people in the sample.

D.Parents of school children are more likely to be willing to pay more to improve schools.

Answers

B.

This is because, the people who conduct the survey and came to the conclusion of B are making an assumption that they are too busy. This is biased because from the point of view of THEM or even the education board, this could be manipulated in such a way that is not factual. 

So in a nutshell, B is bias because it is not 100% factual. Remember, it's all about perspective. 

PLZZZZ HELP!!! what is y = 2/3x - 6 in standard form

Answers

Answer:

2

x

−

3

y

=

18

Step-by-step explanation:

Hope I helped

The population of the country of Oz was 600,000 in the year 2010. The population is expected to grow by a factorof 5% annually. The annual food supply of Oz is currently sufficient for a population of 700,000 people and is
increasing at a rate that will supply food for an additional 10,000 people per year.
c. At what point does the population exceed the food supply? Justify your response.

Answers

Answer:

After 5 years (2015)

Step-by-step explanation:

The population is increasing 5% per year, so the first year it will be 1.05 of the initial, the next year 1.05x1.05 of the initial, and then  successively, so, for n years:

P(n) = 600,000*(1.05)ⁿ

The food suply increase 10,000 people per year, so the first year will be 10,000 + the initial, the next year 10,000 + 10,000 + the initial, and then  successively, so, for n years:

F(n) = 70,000 + 10,000*n

So

P(n) > F(n)

600,000*(1.05)ⁿ > 70,000 + 10,000*n

(1.05)ⁿ > 1.167 + 0.0167n

Solving in a computer:

n > 4.42

So, after 5 years the population exceed the food supply.
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