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Bond [772]
2 years ago
11

A chemistry set costing $38.50, marked up 32% on cost

Mathematics
1 answer:
taurus [48]2 years ago
4 0

Answer: the answer for a discount would be 12.32

Step-by-step explanation:

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Find the difference.<br><br> (3x3−2x2+4x−8)−(5x3+12x2−3x−4)=
Lunna [17]

Answer:

-2x³ - 14x² + 7x - 4

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

(3x³ - 2x² + 4x - 8) - (5x³ + 12x² - 3x - 4)

<u>Step 2: Simplify</u>

  1. [Distributive Property] Distribute negative:                                                    3x³ - 2x² + 4x - 8 - 5x³ - 12x² + 3x + 4
  2. Combine like terms (x³):                                                                                   -2x³ - 2x² + 4x - 8 - 12x² + 3x + 4
  3. Combine like terms (x²):                                                                                   -2x³ - 14x² + 4x - 8 + 3x + 4
  4. Combine like terms (x):                                                                                    -2x³ - 14x² + 7x - 8 + 4
  5. Combine like terms:                                                                                         -2x³ - 14x² + 7x - 4
7 0
3 years ago
If 12x + 3 - 4x - 3 = 8, then x = ?
iVinArrow [24]
12x - 4x = 8 + 3 - 3
8x = 8
X = 1
5 0
3 years ago
A regular pentagon ABCDE is shown work out angle x
kow [346]

Answer:

108 degrees inside each corner

Step-by-step explanation:

360/5=72

180-72=108

5 0
3 years ago
Solve for "x" : 2x + 3x + 4x =36​
Anestetic [448]

Answer:

4

Step-by-step explanation:

2x + 3x + 4x = 36

Evaluate like terms.

9x = 36

Find x.

x = 36 ÷ 9

x = 4

7 0
3 years ago
Read 2 more answers
The table represents the start of the division of 15x3 + x2 - 3x + 2 by 3x + 2.
9966 [12]
The result of dividing 15x^{3}+x^{2}-3x+2 by 3x+2 is 5 x^{2} -3x+1 with no remainder. Please check the step by step procedures in the picture attached.
We can conclude that:
The quotient of the division is 5 x^{2} -3x+1
The remainder of the division is 0
The divisor is 3x+2
The dividend is 15x^{3}+x^{2}-3x+2

4 0
3 years ago
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