Verify that each equation is an identity.  + 1 = 2 sin2?

What will be an ideal response?

  + 1 =   + 1 =   -  + 1 = sin2? -  + 1    = 2 sin2?

Mathematics

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Find the missing quantities as requested.Find the diameter.

A.  m
B.  m
C.  m
D.  m

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Mathematics

Determine whether the given value is a solution to the given equation.Is 22.5 a solution of 8x = 180?

A. Yes B. No

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Mathematics

Match the graph to its equation.

A.  -  = 1
B.  +  = 1
C.  -  = 1
D.  +  = 1

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Mathematics

Find the perimeter (distance around) the given figure by adding the lengths of the sides.

A. 4.99 feet B. 9.98 feet C. 5.728 feet D. 4.22 feet

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Mathematics