Answer:
45 Degrees
Step-by-step explanation:
9 and 10 are corresponding meaning that they will be the same. They are also complementary, so they equal 90 degrees when added. 90/2 is 45.
Answer:
ok here are the rules for negitive numbers
positive+positive=positive
postive+negitive=negitive(or negitive+postive=negitive)
negitive+negitive=negitive
i thing you are slightly confused so i'll do some examples of problems with negitive number
5+-5=5-5=0
-5+5=5-5=0
Hope This Helps!!!
Answer:
The answer is b
Step-by-step explanation:
Answer:
D, It's used for every one
Step-by-step explanation:
Two angles are complementary angles if they have a sum of 90 degrees. We could write the expression as below.
angle 1 + angle 2 = 90
7x + 2 + 3x - 2 = 90
solve for x by adding like terms
7x + 3x + 2 - 2 = 90
10x = 90
x = 90/10
x = 9
The value of x is 9