What is the point of origin on a number line

Answers

Answer 1

Answer: 0 is the point of origin because it's not really a number, it's more of a starting point for positive and negative numbers.

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If a sample of 23 bowlers were taken from a population of 187 bowlers, could refer to the mean of how many bowlers' scores?A. Neither 23 nor 187
B. Both 23 and 187
C. 23
D. 187

Answers

C thank you for question.

Answer:

Step-by-step explanation:

apexs

28 divided by 23.8 equals

Answers

it is 1.18 to 2 decimal places. (i just typed it into a calculator lol)

(5a^2 - b^2) - (4a^2 + 3b^2) - (a^2 - 7b^2)

Answers

answer:

3b²

step-by-step explanation:

(5a² - b²) - (4a² + 3b²) - (a² - 7b²)

= 5a² - b² - 4a² - 3b² - a² + 7b²

combine like terms

= 3b²

$(5a^2 - b^2) - (4a^2 + 3b^2) - (a^2 - 7b^2)=\n 5a^2-b^2-4a^2-3b^2-a^2+7b^2=\n 3b^2$

What does the number theory prove?

Answers

Number theory is the study of integers and natural numbers. I don't think it proves anything, but it helps with algebra.

it does not prove anything it just is what is learned in algebra because you are going to know more about it in geometry.

Which of the following gives an example of a set that is closed under multiplication? Choose all that apply.. . . . A. The product of a perfect cube and a perfect cube. B. The product of 0 and 0. C. The product of a whole number and a whole number. D. The product of a perfect square and a perfect square. . I think its b and c? help anyone...

Answers

All the four choices that are given in the question can be considered as as examples of a set that is closed under multiplication. The correct options among all the options that are given in the question are options "A", "B", "C" and "D". I hope that the answer has come to your help.

Answer:

The correct answer is:

Option: A , Option: B , Option: C , Option: D

Step-by-step explanation:

For a set to be closed under multiplication means if two elements are taken from that set then their multiplication must also belong to the same set.

The product of a perfect cube and a perfect cube.

Let a be a perfect cube of "m"

and b be a perfect cube of "n"

i.e.

$a=m^3\n\nand\n\nb=n^3$

Hence,

$a\cdot b=m^3\cdot n^3\n\ni.e.\n\na\cdot b=(mn)^3$

i.e.

$a\cdot b\ \text{is a perfect cube of mn}$

Hence, this set if closed under multiplication.

The product of 0 and 0.

when we take the product of 0 and 0 then the resultant is also zero.

Hence, this set is also closed under multiplication.

The product of a whole number and a whole number.

When we multiply a whole number to a whole number then the product is again a whole number.

This set is also closed under multiplication.

The product of a perfect square and a perfect square.

Let us take two elements of the set as x and y

i.e.

$x=a^2$

and

$y=b^2$

Hence,

$x\cdot y=a^2\cdot b^2\n\ni.e.\n\nx\cdot y=(ab)^2$

i.e.

$x\cdot y\ \text{is\ also\ a perfect\ square}$

Hence, the set is closed under multiplication.

Which property is illustrates by the following statement?5z + 1 = 1 + 5z

If you can, please show how you solved/did it for me, I'm really stupid honestly lol.

Answers

Answer:

Infinite solution

Step-by-step explanation:

When they equal each other it is an infinite solution

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A bowl contains 8 blue marbles and 5 green marbles. Elizabeth randomly draws 4 marbles form the bowl. she does not replace the marbles after each draw. what is the probability that she draws 1 blue marble and 3 green marbles?A. 4/13B. 13/143C. 4/143D. 16/143