Answer:
The correct answer is 21.5
Step-by-step explanation:
A = 103 degrees
You add all of them together to equal 180 and solve for x.
Answer:
x > -1
Step-by-step explanation:
Isolate the variable, x. Treat the > sign like an equal sign, what you do to one side, you do to the other.
Subtract 5 from both sides:
x + 5 (-5) > 4 (-5)
x > 4 - 5
x > -1
x > -1 is your answer.
~
Answer:
-- (a)
-- (b)
--- (c)
-- (d)
Step-by-step explanation:
Given




Required
Determine the slope of a perpendicular line
In geometry, the condition for perpendicularity is:

This formula will be applied in solving these questions.


Substitute 4/3 for m

Express as a proper division

Convert to *




Substitute 3/7 for m

Express as a proper division

Convert to *




Substitute 4 for m



Substitute 1/3 for m

Express as a proper division

Convert to *



D 10” riser , 7-1/2 treas