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liq [111]
2 years ago
11

-3x+7=28 what am i supposed to do once i get it to be -3x=21

Mathematics
1 answer:
Brums [2.3K]2 years ago
4 0

Answer:

You would divide by -3, in this case x would be -7

Step-by-step explanation:

-3/-3 = x -3/21 = -7

x=-7

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Solve 7 pleaseeeeeeeeeeeeeeeee
yanalaym [24]

Answer:

5040

Step-by-step explanation:

I assume you really mean 7!

you understand what "!" means ?

n! = n×(n-1)×(n-2)×(n-3)×...×3×2×1

so,

7! = 7×6×5×4×3×2×1

now all you need is a calculator.

7! = 5040

6 0
3 years ago
Help Please I Need Help
Ket [755]

Answer:

<u>Linear:</u> "You start with $3 and save $1 each month."

<u>Quadratic:</u> "Your total savings is 3 times the number of months multiplied by itself."

<u>Exponential:</u> "You save $3 the first month, and then each month the amount triples."

Explanation: I did the work. :)

<em>PLEASE MARK BRAINLIEST!</em>

5 0
4 years ago
Factor by grouping.......
Gekata [30.6K]

Answer:

A. (7n-1) (8n-1)

Step-by-step explanation:

56n^2 -8n-7n+1

56n^2 -8n       -7n+1

Factor out 8n from the first group   and -1 from the second group

8n (7n-1)     -1(7n-1)

Factor out the (7n-1)

(7n-1) (8n-1)

7 0
3 years ago
What are the domain and range of f (x) = (one-fifth) Superscript x?
ivann1987 [24]

Answer:

domain is all real numbers the range is all real numbers greater thanzero

Step-by-step explanation:

hope this helps may I have brainliest plz

3 0
3 years ago
Read 2 more answers
What is the answer to this problem step by step (3+2)^2×7)-13+5^2?
Ainat [17]

Answer:

187

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

(3 + 2)² × 7 - 13 + 5²

<u>Step 2: Evaluate</u>

  1. (Parenthesis) Add:                     5² × 7 - 13 + 5²
  2. Exponents:                                 25 × 7 - 13 + 25
  3. Multiply:                                      175 - 13 + 25
  4. Subtract:                                     162 + 25
  5. Add:                                            187
5 0
3 years ago
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