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atroni [7]
3 years ago
9

50 point HELP ASAP Question: A rectangle has sides measuring (3x + 8) units and (6x + 5) units.

Mathematics
1 answer:
cluponka [151]3 years ago
3 0

Answer:

see below

Step-by-step explanation:

(3x + 8) units by (6x + 5) units.

A = l*w

  = (3x+8)(6x+5)

   Distribute

3x*(6x+5) + 8(6x+5)

18x^2 +15x + 48x +40

Combine terms

18x^2+63x+40  units^2

The degree is 2  ( the highest power of x)

This is a trinomial   ( it has 3 terms)

Multiplication is closed for polynomial multiplication

We started with polynomials and we ended up with a polynomial.

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15. Using the circle below, find each arc length. Round to the nearest hundredth. R a) ST b) RPT 97 125 PS = 28 feet
Troyanec [42]

The measure of arcPR and arcRPT are 83 and 208 degrees respectively

The measure of arc ST will be gotten using the expression below:

arcPS = arcPT + arcST

Given the following

  • arcPT = 125 degrees
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arcST = arcPS - arcPT

arcST = 180  - 125

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Similarly, arcPR = 180 - arcRS

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Learn more about circles here: brainly.com/question/24375372

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