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pochemuha
3 years ago
15

-9.2 + 4.4= -81.4 + (-12)=

Mathematics
2 answers:
Darina [25.2K]3 years ago
7 0

Answer:

-9.2 + 4.4 = -4.8

-81.4 + (-12) = -93.4.

artcher [175]3 years ago
4 0
-9.2+4.4=-4.8
-81.4+(-12)=-93.4
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Explain how you would graph the line y = 2/3x + 3 using its slope and y-intercept.​
Ivahew [28]

Answer:

Slope = 2/3 Y intercept +3

Step-by-step explanation:

Plot the y-intercept (0,+3) in the xy axis. Remember, this point always lies on the vertical axis y.

Starting from the y-intercept, find another point using the slope. Slope contains the direction how you go from one point to another.

The numerator tells you how much steps to go up or down (rise) while the denominator tells you how many units to move left or right (run).

Connect the two points generated by the y-intercept and the slope using a straight edge (ruler) to reveal the graph of the line.

5 0
4 years ago
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Can someone help me on the steps for this?
Rudiy27

Answer:

x = 13

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

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality<u> </u>

<u>Algebra I</u>

  • Multiple Roots

<u>Trigonometry</u>

[Right Triangles Only] Pythagorean Theorem: a² + b² = c²

  • a is a leg
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Step-by-step explanation:

<u>Step 1: Identify</u>

<em>a</em> = 12

<em>b</em> = 5

<em>c</em> = x

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

  1. Substitute in variables [PT]:                                                                           12² + 5² = x²
  2. Evaluate exponents:                                                                                      144 + 25 = x²
  3. Add:                                                                                                                 169 = x²
  4. [Equality] Square root both sides:                                                                 ±13 = x
  5. Rewrite:                                                                                                           x = ±13

Since we are dealing with positive numbers, we can disregard the negative root.

∴ x = 13

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Answer:

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(9.70-9.83)/9.83 = 1.3% decrease
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