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Yakvenalex [24]
3 years ago
14

Can you please help me?

Mathematics
1 answer:
jekas [21]3 years ago
8 0
1. is the third choice
2. is second choice
3. is fourth choice
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The circumference of the hub cap of a tire is 83.21 centimeters. Find the area of this hub cap. Use
Elena L [17]

Answer:

<u>551 square centimeters</u>

Step-by-step explanation:

Finding the radius (r) :

  • C = 2πr
  • 83.21 = 2 x 3.14 x r
  • 83.21 = 6.28r
  • r = 83.21/6.28
  • r = 13.25 cm

Finding the area :

  • A = πr²
  • A = 3.14 x (13.25)²
  • A = 3.14 x 175.5625
  • A = <u>551 square centimeters</u> (nearest whole number)

<u></u>

The area of this hub cap is about <u>551 square centimeters</u>.

7 0
1 year ago
Read 2 more answers
Is three and a half bigger or smaller than three and four tenth??
TiliK225 [7]
3 and 1/2 is bigger than 3 and 4/10
7 0
3 years ago
What is the consecutve whole numbers of <img src="https://tex.z-dn.net/?f=%5Csqrt%7B40" id="TexFormula1" title="\sqrt{40" alt="\
Inessa [10]

Step-by-step explanation:

\sqrt{36}  <   \sqrt{40}  <   \sqrt{49}

So sqrt(40) lies between 6 and 7.

3 0
2 years ago
This is not a multiple choice question. Please help!
Shkiper50 [21]
Complentary angle = 90 degrees
 
90 - 16 = your answer
5 0
3 years ago
Factorise fully x^3-x
MA_775_DIABLO [31]

Answer:

x(x+1)(x-1)

Step-by-step explanation:

We see that the two terms share an x, so we can pull that out:

x^3-x=x(x^2-1)

Now notice that we have a difference of squares (x^2-1). Given a difference of squares, a^2-b^2, this can always be factored into (a+b)(a-b). We can use this in this case: x^2-1=(x+1)(x-1).

So, our final factorized form is: x(x+1)(x-1).

Hope this helps!

3 0
3 years ago
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