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Alisiya [41]
3 years ago
5

What is the area of the regular pentagon below?

Mathematics
1 answer:
wolverine [178]3 years ago
7 0

Answer:

<em><u>2</u></em><em><u>1</u></em><em><u>y</u></em><em><u>d</u></em><em><u>^</u></em><em><u>2</u></em>

Step-by-step explanation:

join the centre to all the vertex,

since this figure is of regular pentagon, it's will form 5 equal triangle of equal area!

now area of one such triangle is

1/2 ×base ×height

=1/2 ×3.5x2.4 (yd^2)

=4.2 yd^2

now the pentagon is sum of 5 such equal triangle,so it's are will be

5×4.2 (yd^2)

=21 yd^2

✌️:)

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A car travels at a constant speed of 65 miles per hour. The distance the car travels in Miles d, which is a function of time, t.
PolarNik [594]

Answer:

  t(d) = d/65

Step-by-step explanation:

To solve for t, divide by its coefficient:

  d = 65t

  d/65 = 65t/65 . . divide* by 65

  d/65 = t . . . . . . . simplify

Then you can write it in function form if you like:

  t(d) = d/65

_____

* Of course, the rules of equality say you must divide <em>both sides</em> of the equation by the same number.

4 0
3 years ago
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Svetlana's hair is 4 centimeters long. her hair grows 1.5 centimeters per month. svetlana wants her hair to grow so that it is a
mamaluj [8]
Y=1.5m+4 or 7=1.5m+4

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6 0
3 years ago
A equivalent expression to 9x-7y-6x
daser333 [38]

Answer:

3x - 7y

Step-by-step explanation:

<u>Step 1:  Combine like terms</u>

<u />9x - 7y - 6x

(9x - 6x) - 7y

3x - 7y

Answer:  3x - 7y

8 0
3 years ago
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Dave is helping his grandmother make trail mix. His grandmother ask
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9514 1404 393

Answer:

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Step-by-step explanation:

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7 0
3 years ago
Which of the following has a value of 84? <br> A. 512 <br> B. 4,096 <br> C. 32 <br> D. 83
andreev551 [17]
Answer is B. 4,096

I encountered this problem before. This is a trick question.
84 is not really the number 84. It is 8 raised to the 4th power.

So 8⁴ is equal to 4,096.

8 x 8 x 8 x 8 = 4,096

    8 x 8 =      64
  64 x 8 =    512
512 x 8 = 4,096




6 0
4 years ago
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