If m90° in the triangle shown, then sin .

Answer the following statement true (T) or false (F)


False

Mathematics

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Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.

A. no solution; ?
B. {(-4.5, -1.85)}
C. infinitely many solutions; { y = 1.1x + 3.1} or { y = 0.5x + 0.4}
D. {(4.5, -1.85)}

Mathematics

Graph the equation. +  = 1

A.

B.

C.

D.

Mathematics

Write the sentence as a linear equation in two variables. Then graph the equation.The y-variable is 7 less than the x-variable.

A. y = 7 - x

B. y = 

C. y = x - 7

D. y - 7 = x

Mathematics

Perform the indicated operation and simplify. + 

A. 1
B.
C.
D.

Mathematics