
If m
90° 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