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Airida [17]
3 years ago
5

How do I solve this?

Mathematics
1 answer:
Yuki888 [10]3 years ago
3 0
The answer is B. The values of y must only be positive because it is equal to
| - x|
The other options states that the values of y could be negative which is why it is wrong.
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The length of a rectangle is 5 less than 3 times its width. The perimeter is
My name is Ann [436]

Answer:

The length is 28 and the width is 11

Step-by-step explanation:

To solve this problem, we can make the width as x.

Since the length is 5 less than 3 times the width, it's going to be 3x - 5

So now we've got the length and width, just need to find the perimeter, which is all the sides added up together. They already gave us the perimeter, so we just have to solve the equation:

2(3x - 5) + 2x = 78

6x - 10 + 2x = 78

8x - 10 = 78

8x = 88

x = 11

x = 11, but remember, x is the width, not the length. Since we already found what x is, we just have to plug it into the equation of:

3x - 5

3 × 11 - 5

33 - 5 = 28

Answer: Length = 28 (don't forget to add the unit if there is one)

8 0
2 years ago
Completion time (from start to finish) of a building remodeling project is normally distributed with a mean of 200 work-days and
-BARSIC- [3]
We should request a completion time of

223 work-days.
5 0
3 years ago
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The calculation of property tax is based on the
arlik [135]
<span>( Property Value x Assessment Rate) - Exemptions ) x Property  Tax Rate = Tax Bill I think this is the answer I'm not for sure </span>
7 0
3 years ago
PLS HELP ASAP
prohojiy [21]

Answer:

x = 8

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

Equality Properties

<u>Geometry</u>

  • All angles in a triangle add up to 180°

Step-by-step explanation:

<u>Step 1: Set up Equation</u>

(7x - 1) + 80 + (6x - 3) = 180

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Combine like terms:                    13x + 76 = 180
  2. Isolate <em>x</em> term:                              13x = 104
  3. Isolate <em>x</em>:                                       x = 8
6 0
3 years ago
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An inequality is shown.
Alik [6]

Answer:

A. the square root of 15

Step-by-step explanation:

I'm not sure

7 0
3 years ago
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