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zvonat [6]
3 years ago
14

20 feet below sea level positive or negative?

Mathematics
1 answer:
tester [92]3 years ago
6 0
Answer is negative 20
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These are the ones that come to my mind

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What is the answer to page 156-157 on chapter 4 proportions relationship.
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Solve this system of equations algebraically:<br><br> y – 10 = 11x + x2<br><br> y – 12x = 30
boyakko [2]
(5, 90) 

You can solve both equations for y and then set equal to each other. Then use the quadratic equation to solve for x
6 0
3 years ago
I need help on 4,5,6, and 7.
levacccp [35]

Answer:

A closed dot means (or equal to) which i will be signifying with bold numbers

3) 2 < x > 5

4) 5 < t > 3

5) -3 < m > -1

6)  -2 < x < -6 (This one feels like its not right but I cant find a better way to state it)

7) 36 > Fridge < 46

4 0
3 years ago
Solve for X...........
Zolol [24]

Answer:

x = 60°

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

<u>Geometry</u>

  • A box on an angle signifies a 90° angle
  • All angles in a triangle add up to 180°

Step-by-step explanation:

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

x° + 90° + 30° = 180°

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

  1. Combine like terms:                    x + 120 = 180
  2. Subtract 120 on both sides:        x = 60°
6 0
2 years ago
Read 2 more answers
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