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Goshia [24]
2 years ago
12

The diameter of a cylindrical water tank is 8ft and its height is 11ft what is the volume of the tank?

Mathematics
1 answer:
Sedbober [7]2 years ago
3 0

Answer:

2211.68123

Step-by-step explanation:

Using the formula to find volume of cylinder

V=πr2h=π·82·11≈2211.68123

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Step-by-step explanation:

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nignag [31]
My estimated answer for 1 is x=1.59 or x=-1.26 and my exact answer is (in word form) x= 1 plus or minus the square root of 73 over 6. my estimated answer for 2 is x=-0.34 or x=1.74 and my exact answer (in word form) is x= -7 plus or minus the square root of 109 over -10. I took a picture of my work and hopefully you can read it

5 0
3 years ago
Evaluate f(x) = x2 – 12 when x = 5
Ede4ka [16]

Answer:

f(5) = 13

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

  • Function notation and substitution

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = x² - 12

x = 5

<u>Step 2: Evaluate</u>

  1. Substitute:                   f(5) = 5² - 12
  2. Exponents:                  f(5) = 25 - 12
  3. Subtract:                      f(5) = 13
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This is a combination problem. 

6 nCr 2

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</span></span>
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