SOLUTION: problem #80 is 2 complementary angles have degree measures p and 3p-p. problem #90 is inequalities 0,4x + 9 is greater or iqual 5(x - 3)

Algebra ->  Angles -> SOLUTION: problem #80 is 2 complementary angles have degree measures p and 3p-p. problem #90 is inequalities 0,4x + 9 is greater or iqual 5(x - 3)      Log On


   



Question 187385: problem #80 is 2 complementary angles have degree measures p and 3p-p.
problem #90 is inequalities 0,4x + 9 is greater or iqual 5(x - 3)

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
1.
Angles are complementary if and only if the sum of their measures is 90 degrees. If the two angles have degree measures of p and 3p+%96+p, then:

p+%2B+3p+-+p+=+90
4p-p=90
3p=90
p=30

Check:
30+%2B+3%2A30-30=30+%2B+90+%96+30=90

2.
0.4x+%2B+9%3E=+5%28x+-+3%29
0.4x+%2B+9%3E=+5x+-15
15%2B+9%3E=+5x+-0.4x+
24%3E=+4.6x+
24%2F4.6%3E=x+
x%3C=5.2