MATHEMATICS HIGH SCHOOL

One number is 6 more than another.  Their product is is 520.  Find the numbers

Answers

Answer 1
Answer: xy=520 & y=x+6
xy = x*(x+6) = x^2 + 6x
x^2+6x-520 = 0

=> x = {-26, 20}

When x = -26, y = -20
          x = 20, y = 26
Answer 2
Answer:

Answer:

it was the answer the above comment

Step-by-step explanation:

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The distribution of heights for adult men in a certain population is approximately normal with mean 70 inches and standard deviation 4 inches. Which of the following represents the middle 80 percent of the heights ? A. 2.5% B. 5% C. 16% D. 1%
8x - 3(2x - 4) = 3(x - 6)
3-3*6+2=?is it 0or -13or -17i am confess
Whatt is the perimeter of a square if each side is five feet

I really need help, thanks.

Answers

Hello,
I suppose the function is y=3√(6x+42)

==>6x+42>=0 (it must be a square root of a positive)
==>6x>=-42
==>x>=-42/6
==>x>=-7

ANSWER D

1. How can you use an equation to make a prediction from a pattern? 2. Pizza costs $1.50 per slice. Use a table and an equation to represent the relationship between the number of slices of pizza bought and the total cost.

Answers

So for question 1, Well, using an equation to make a prediction for patterns is pretty easy, really. It is also very efficient. When you look at the pattern, you should be able to make an equation based upon the pattern, or any previous patterns, and using that, you can make an equation to solve or figure out other parts of the pattern. 


$.46 is what fraction of a dollar

Answers

To find how much .46 is in a fraction of a dollar, all you do is put 46 out of a hundred, to get this:

46/100

So, 46 cents is 46/100 or 46 hundredths of a dollar.

Happy to help you!
Ossashi \(☼╭╮☼)/
46 is a fraction of 100 because since there is 100 pennies in 1 dollar, then the fraction can be labeled like this:

46/100 

I hope this helped :)

I have $5$ different mathematics textbooks and $4$ different psychology textbooks. In how many ways can I place the $9$ textbooks on a bookshelf, in a row, if there must be a psychology textbook exactly in the middle, and there must be a mathematics textbook at each end?

Answers

Answer:

What

Step-by-step explanation:

You can’t have more than 2 combinations with £9

A 200-centimeter-long wire is cut into three peices. The second piece is three times as long as the first. The third piece is 2 times as long as the second. How long is each piece?

Answers

Assuming the value of the first piece is x, then the equation would be this:
x+3x+6x=200
Simplify, and you get:
10x=200
Solve for x:
x=20
So the first piece(x) was 20 cm long
The second piece(3x) was 60 cm long
The third piece(6x) was 120 cm long

Which are correct statements regarding proofs? Check all that apply. In a paragraph proof, statements and their justifications are written in sentences in a logical order. A two-column proof consists of a list statements and the reasons the statements are true. A flowchart proof gives a visual representation of the sequence of steps without justifications. A paragraph proof is a two-column proof in sentence form. A two-column proof lists only the given information and what is to be proven. A flowchart proof includes a logical series of statements in boxes with connecting arrows.

Answers

Answer:

  1. In a paragraph proof, statements and their justifications are written in sentences in a logical order.
  2. A two-column proof consists of a list statements and the reasons the statements are true.
  3. A paragraph proof is a two-column proof in sentence form.
  4. A flowchart proof includes a logical series of statements in boxes with connecting arrows.

Step-by-step explanation:

The correct statements regarding proofs are :

  1. In a paragraph proof, statements and their justifications are written in sentences in a logical order.
  2. A two-column proof consists of a list statements and the reasons the statements are true.
  3. A paragraph proof is a two-column proof in sentence form.
  4. A flowchart proof includes a logical series of statements in boxes with connecting arrows.

And these two sentences are wrong statements:

  1. A flowchart proof gives a visual representation of the sequence of steps without justifications.
  2. A two-column proof lists only the given information and what is to be proven

The correct statements regarding proofs are;

  • A paragraph proof is a kind of written argument in which claims and their supporting evidence are presented in a series of paragraphs.
  • Statements and their supporting evidence are listed in separate columns in a two-column proof. This is further explained below.
  • A paragraph proof is a two-column proof in sentence form.
  • A flowchart proof includes a logical series of statements in boxes with connecting arrows.

What is proof?

Generally, proofs are simply defined as A piece of proof that proves a claim or assertion to be true.

In conclusion, Proofs are based on communicable facts on a subject.

Read more about proofs

brainly.com/question/1771263

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