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kondor19780726 [428]
2 years ago
13

(50 pts!) Help plsFind the value of x

Mathematics
2 answers:
Lera25 [3.4K]2 years ago
4 0

Answer:

x = 3.5.

Step-by-step explanation:

This is an equilateral triangle ( as all angles = 60 degrees) so all 3 sides are of equal length.

Thus 2x - 3 = 4

2x = 7

x = 3.5.

Blababa [14]2 years ago
4 0

Answer:

hi its me

Step-by-step explanation:

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melamori03 [73]

Answer:

150.72 units³

Step-by-step explanation:

The formula for solving the volume of a cylinder is:

V = pi (3.14) r² h

V = (3.14) (4) (3)

V = 150.72 units³

6 0
3 years ago
(3.2 + 6.8)x - (36 divided by 4)x PLEASE HELPPP
Mrac [35]

Answer:

i dont no but what i got was 10x+144d^3 but do u want to sovle for x i got u X

Step-by-step explanation:

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A store sells $5000 worth of running shoes on Monday. On Tuesday, it sells $6250 worth of running shoes. What is the percent inc
professor190 [17]

Answer:6300

Step-by-step explanation:

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3 years ago
Identify the slope of the line given in the table: Identify the y-intercept of the line given in the table: Identify the slope o
allsm [11]

Answer:

the answer is.....

Step-by-step explanation:

the first one is -1/4

the second one is -4

the third one is 3/2

and the fourth one is 1

plz mark this the brainliest! :)

7 0
3 years ago
Solve using elimination x-2y=12 and 5x+3y=-44 <br> (4,8)<br> (-4,8)<br> (4,-8)<br> (-4,-8)
Leya [2.2K]

Answer:

(-4, -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

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

<u>Algebra I</u>

  • Terms/Coefficients
  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

<u>Step 1: Define Systems</u>

x - 2y = 12

5x + 3y = -44

<u>Step 2: Rewrite Systems</u>

x - 2y = 12

  1. [Multiplication Property of Equality] Multiply everything by -5:                  -5x + 10y = -60

<u>Step 3: Redefine Systems</u>

-5x + 10y = -60

5x + 3y = -44

<u>Step 4: Solve for </u><em><u>y</u></em>

<em>Elimination</em>

  1. Combine 2 equations:                                                                                   13y = -104
  2. [Division Property of Equality] Divide 13 on both sides:                              y = -8

<u>Step 5: Solve for </u><em><u>x</u></em>

  1. Define original equation:                                                                               x - 2y = 12
  2. Substitute in <em>y</em>:                                                                                                x - 2(-8) = 12
  3. Multiply:                                                                                                           x + 16 = 12
  4. [Subtraction Property of Equality] Subtract 16 on both sides:                      x = -4
6 0
2 years ago
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