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patriot [66]
3 years ago
9

Please simplify the expression.

Mathematics
1 answer:
natka813 [3]3 years ago
8 0
The answer would be C in my opinion
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Find the area of the shaded region.
sveticcg [70]

Answer:

12.86 sq ft

Step-by-step explanation:

Find area of square and subtract out area of semi-circle; the diameter of the semi-circle equals the side of the square, which is 4 so radius is 2

A(square) = 4 x 4 = 16

A(semi-circle) = πr²/2

= 4π/2 or 2π

Area of Shaded Region = 16-3.14 which is 12.86

7 0
3 years ago
The ratio of boys to girls in a room is 4:9.<br> There are a total of 39 people in the room.
Mumz [18]

12 boys and 27 girls

1) Add 4 to 9. 13

2) 39 divided by 13 is 3

3)Multiple 3 to 4 boys and 9 girls. 3x4 is 12 boys, 3x9 is 27 girls

Hope this helps!

4 0
3 years ago
Read 2 more answers
Brayden's horse gained 9 pounds over a 3 week
mr_godi [17]
30 pounds after 10 weeks
9/3=3
3*10=30
5 0
3 years ago
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In a bag of candy there are 12 blue candies, six red candies, four yellow candies, and two purple candies. What is the ratio of
kozerog [31]

?? hold on I'ma work the problem out

3 0
3 years ago
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(4x^2-2x-4)(2x+4) what is<br> the product of the polynomials below?
tatiyna

Answer:

8x³ + 12x² - 16x - 16

General Formulas and Concepts:

  • Order of Operations: BPEMDAS
  • Distributive Property

Step-by-step explanation:

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

(4x² - 2x - 4)(2x + 4)

<u>Step 2: Simplify</u>

  1. Expand:                                       8x³ - 4x² - 8x + 16x² - 8x - 16
  2. Combine like terms (x²):             8x³ + 12x² - 8x - 8x - 16
  3. Combine like terms (x):              8x³ + 12x² - 16x - 16
7 0
3 years ago
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