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gtnhenbr [62]
3 years ago
8

Evaluate tan45°

Mathematics
2 answers:
White raven [17]3 years ago
5 0

Answer:

1.4142

Step-by-step explanation

\frac{tan45}{cos45}    ⇒  Plug this into your scientific calculator

= 1.4142

Alex17521 [72]3 years ago
4 0

Answer:

Step-by-step explanation:

Good evening ,

Look at the photo below for the answer

:)

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Given that the associative property of multiplication says that you can group the numbers in any combination, we can reorganize the expression as: 7·(10·3)=210. So the answer would be the first option.

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How to solve 30+(4x+2)=8+6x)
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Answer:

12

Step-by-step explanation:

30+(4x+2)=8+6x

30+4x+2=8+6x

32+4x=8+6x

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Just like this
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What is the Volume of the square pyramid? (Round to the nearest tenth as needed)
goldenfox [79]

Answer:

5229 mm³

Step-by-step explanation:

Volume of square pyramid

\sf \boxed{Volume \ of \ the \ square \ pyramid = \dfrac{1}{3}*b^2*H}

      b = base length = 25 mm

       H = height

         We have to find 'H' using Pythagorean theorem,

              slant height (hypotenuse) = 28 mm

                                                  leg₁ = base length  ÷ 2 = 25÷2 = 12.5

                                                  leg₂ = H

     H² + (12.5)² = 28²

                  H²   = 784 - 156.25

                         = 627.75

                   \sf H = \sqrt{627.75}

                 H = 25.01 mm

          \sf  \text{Volume of square pyramid =$\dfrac{1}{3}*25*25*25.1$ }

                                                     = 5229 mm³

                                                     

       

\sf \boxed{\text{Volume of square pyramid = \dfrac{1}{3}*25*25*28}}

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