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ivolga24 [154]
3 years ago
15

What is the product? (-2d^2+s)(5d^2-6s)

Mathematics
1 answer:
Anna71 [15]3 years ago
6 0

Answer:

Option 1: -10d⁴ + 17d²s - 6s²

General Formulas and Concepts:

<u>Algebra I</u>

  • Terms/Coefficients
  • Expand by FOIL

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

(-2d² + s)(5d² - 6s)

<u>Step 2: Expand</u>

  1. FOIL:                                                                                                                  -10d⁴ + 12d²s + 5d²s - 6s²
  2. Combine like terms:                                                                                         -10d⁴ + 17d²s - 6s²
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the length of a rectangle is 4 unit less than the width. which expression represents the perimeter of the rectangle
WINSTONCH [101]

Answer:

Length: 11

Width: 5

Step-by-step explanation:

Let W = width

Let L = length

 

Length is 4 less than 3 times the width  ==>  L = 3*W - 4  

 

Let P = Perimeter = 2*W + 2*L

 

Perimeter is 22 more than twice the width  ==>  P = 2*W + 22

 

Setting the 2 expressions for the perimeter equal to each other gives  

 

2*W + 2*L = 2*W + 22

2*L = 22

L = 11  

 

So 11 = 3*W - 4

3*W = 15

W = 5

 

The length is 11 and the width is 5  

 

Check:  3*W - 4 = 11 = Length

           Perimeter = 32 = 22 more than 2*5 = 10

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3 years ago
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The area is 3.2

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2 years ago
Chris plants 25 pumpkin seeds in 5 equal rows how many seeds does chris plant in each row ? Make an array to represent the promb
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