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Alexus [3.1K]
2 years ago
15

Help help help help help help

Mathematics
1 answer:
Dimas [21]2 years ago
6 0

Answer:

18.457

Step-by-step explanation:

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A function is defined by f (x) = 5 (2 minus x). What is f(–1)? –5 5 15 53
Helen [10]

Answer:

f(-1) = 15

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<u> </u>

<u>Algebra I</u>

  • Functions
  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

f(x) = 5(2 - x)

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em> [Function f(x)]:                                                                           f(-1) = 5(2 - -1)
  2. (Parenthesis) Subtract:                                                                                     f(-1) = 5(3)
  3. Multiply:                                                                                                             f(-1) = 15
5 0
3 years ago
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Mr. Walker asked his students to use the associative property to find an expression that is equivalent to (13 + 15 + 20) + (20 +
pychu [463]
I got it as 4 when calculating all have the same number which is 133
7 0
3 years ago
Find the area. 7cm,5cm,5cm,10cm,22cm, 20cm​
Fantom [35]

Answer:

770000

Step by step explanation:

8 0
2 years ago
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The sum of 3 times the value of x and 2 is equal to four less than five times the value of x. Which equation can be used to find
bonufazy [111]

The question has omitted  options but i will solve, so you will just check my answer from the options you have.

Answer: The equation  to find the value of x = 3x+ 2= 5x-4

The value of x= 3

Step-by-step explanation:

Step 1

The sum of 3 times the value of x and 2 is equal to four less than five times the value of x can be expressed as

3x+ 2= 5x-4

Step 2

Solving this equation  to find the value of x , we have that

3x+ 2= 5x-4

3x-5x= -4-2

-2x= -6

x= -6/-2

x=3

5 0
3 years ago
3 1/5 divided by 1 1/7
Katarina [22]
<span>2.8 is the answer for that question</span>
8 0
3 years ago
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