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olganol [36]
3 years ago
8

Neeed help pleaseeeeee????

Mathematics
2 answers:
Anika [276]3 years ago
5 0

3x=4+2(3-x)

3x=4+6-2x

3x=10-2x

move -2x to the other side

sign changes from -2x t0 +2x

3x+2x=10-2x+2x

Answer:

3x=10-2x

+2x     +2x

5x=10

Nana76 [90]3 years ago
4 0

Answer:

The next step would be to distribute 2 into the parenthesis.

Step-by-step explanation:

Distribute 2(3 - x) = 6 -2x

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What is the distance between the points (21 , 13) and (3 , 13) in the coordinate plane?
Oxana [17]

Answer:

\displaystyle d = 18

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>

  • Coordinates (x, y)

<u>Algebra II</u>

  • Distance Formula: \displaystyle d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

Point (21, 13)

Point (3, 13)

<u>Step 2: Find distance </u><em><u>d</u></em>

Simply plug in the 2 coordinates into the distance formula to find distance <em>d</em>

  1. Substitute in points [Distance Formula]:                                                         \displaystyle d = \sqrt{(3-21)^2+(13-13)^2}
  2. [√Radical] (Parenthesis) Subtract:                                                                   \displaystyle d = \sqrt{(-18)^2+(0)^2}
  3. [√Radical] Evaluate exponents:                                                                       \displaystyle d = \sqrt{324+0}
  4. [√Radical] Add:                                                                                                 \displaystyle d = \sqrt{324}
  5. [√Radical] Evaluate:                                                                                          \displaystyle d = 18
5 0
3 years ago
-7πh = 98π <br> solve for h
ICE Princess25 [194]

Answer:

h = -14

Step-by-step explanation:

-7πh = 98π

⇔ -7h = 98   (Just Divide both sides by π)

⇔ h = 98 ÷ (-7) = -14

5 0
8 months ago
Read 2 more answers
Volume Of This Cylinder
Bogdan [553]

Answer:

6

Step-by-step explanation:

1. The Formula for volume of a Square is V=πr2h

2. So u would plug everything in.. so v- π4²12

3. so then u get 6

4 0
2 years ago
Given b = 4 and c = -5, evaluate b 2 - c 2.<br><br> 41<br> -2<br> -9
LekaFEV [45]
I hope this helps you

6 0
3 years ago
A section in a stained glass window is shaped like a trapezoid. The top base is 1 centimeter and the bottom base is 3.5 centimet
LUCKY_DIMON [66]
I don't know if it's right but this is what I did. the rounding might be a little different.


(1 + 3.5)  \div 2 \times x = 8.1
4.5   \div 2 = 2.3
2.3x = 8.1
8.1 \div 2.3 = 3.5
x=3.5 cm.
5 0
3 years ago
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