How would you write out 'x is not equal to 2 and x is not equal to 7' Algebraically and in Interval Notation?

Answers

Answer 1
Answer: Algebraically:
x ≠ 2, 7
Interval Notation:
2 ≠ x ≠ 7
Answer 2
Answer:

Final answer:

Algebraically, 'x is not equal to 2 and x is not equal to 7' is written as x≠2 and x≠7. In Interval Notation, it is written as (-∞, 2) U (2, 7) U (7, ∞). The given conditions exclude the numbers 2 and 7 from the entire real number line.

Explanation:

In the field of Mathematics, if you want to express the condition 'x is not equal to 2 and x is not equal to 7' algebraically, you write it as x≠2 and x≠7. In Interval Notation, you'd denote this as (-∞, 2) U (2, 7) U (7, ∞). This is read as 'x is all real numbers except 2 and 7' because we have excluded these two numbers from the entire real number line.

Learn more about Writing Expressions Algebraically and in Interval Notation here:

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The amount of money in Malik's bank account 3 years ago was $1,000. This year his balance is $1,900

Answers

For TTM!!

Hope it helps!

Each year his balance has increased by 300 dollars. 3 x $300 = $900
I assume this is the answer you are looking for.

Please answer it in two minutes

Answers

Answer:

60°

Step-by-step explanation:

Data obtained from the question include the following:

Angle H =.?

Opposite = 2√21

Adjacent = 2√7

The value of angle H can be obtained as follow

Tan H = Opposite /Adjacent

Tan H = 2√21 / 2√7

Tan H = √(21 / 7)

Tan H = √3

Tak the inverse of Tan.

H = Tan¯¹ √3

H = 60

Therefore, the value of angle H is 60°

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

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Solve this problem please. Step by Step
8c+5=4c-11

Answers


You said that                               8c + 5  =  4c - 11

Subtract  4c  from each side:      4c + 5  =       - 11

Subtract  5  from each side:        4c        =       - 16

Divide each side by  4 :                c        =        - 4

First you combine like terms: 8c-4c
Your equation now: 4c-5=-11
Next you will add 5 to both sides
Your equation now: 4c = -16
Then you will divided 4 from both side
Your equation now: c=-4
Hope this helps!

Subtract -2x^2+3x-9
from 8x^2+10x-10

Answers

Answer:

-6x^2 - 7x +1

Step-by-step explanation:

2x^2+3x-9  -(8x^2+10x-10)

3x^2+3x-9 -8x^2-10x+10

Combine like terms

-6x^2 - 7x +1

Find 2 integers whose product is -20

Answers

-2 * 10 or -10 * 2 could be an answer yeah?