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Alex777 [14]
2 years ago
12

What is f(x) = 2/3x - 1? when x = 2

Mathematics
1 answer:
Dahasolnce [82]2 years ago
3 0

Answer:

f(2) = 1/3

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>

f(x) = 2/3x - 1

x = 2

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                    f(2) = 2/3(2) - 1
  2. Multiply:                               f(2) = 4/3 - 1
  3. Subtract:                              f(2) = 1/3
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Helppppp please i need to know the answer right now! Thanks!
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Answer:

f(7) - f(-7)

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= -45 - (-329)

= 284

6 0
2 years ago
When we first learn arithmetic, we focus on working with whole numbers. Then, we extend our understanding to fractions and negat
vodka [1.7K]

Answer:

I don't think I can remember every skill I was taught through the years but in Kindergarten we used Number Sense so we could understand the meaning of more and less also there's estimation and  PEMDAS. I've also learned how to round up so that the solution is at least around those numbers if the skill is to be applied.

hope that helps

Step-by-step explanation:

3 0
2 years ago
The ratio of the number of apples to the number of pears in a basket was 3:5. After 7more apples were added to the basket and 9
atroni [7]

Answer:

Apples = 24

Pears = 40

Step-by-step explanation:

Let u be the unit of fruit in the basket,

number of apples: 3u +7

number of pears: 5u -9

now to find u, we equate the two equations.

3u+7=5u-9

Now simplify.

5u-3u=7+9

2u=16

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Now we can find the original number of apples and pears by substituting u.

so original number of apples = 3u = 3(8) = 24

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5 0
3 years ago
If tile costs $8.50 per square foot, how much does it cost per inch?
Sphinxa [80]

Answer:

$0.06 per square inch

Step-by-step explanation:

The question should be:

<em>"If tile costs $8.50 per square foot, how much does it cost per square inch?"</em>

<em />

To solve this, we basically need a conversion from feet to inches. BUT 2 times, since we are talking about "square feet" and "square inches".

We know 1 feet = 12 inches

Also, since we are going from square feet to square inches [big to small], we have to divide TWICE.

Thus, we will have:

\frac{8.5}{12*12}

We are dividing 8.5 (the cost) by 12, 2 times since we want square feet in square inches. The answer is:

\frac{8.5}{12*12}=0.06

So, tile costs $0.06 per square inch

6 0
3 years ago
Does anyone know the answer to this?
Dvinal [7]
Here, Take any two coordinates: (0, 1) & (4, -2)
Slope, m = y2 - y1 / x2 - x1
m = 1 - (-2) / 0 - 4
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In short, Your Answer would be Option D

Hope this helps!
3 0
3 years ago
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