Answer:
7/4 + 9/-5 =
Since the denominator of the second fraction is negative the sign will change from negative to positive
We will get
7/4 - 9/5
First find the LCM
LCM of 4 and 5 is 20
7/4 - 9/5 = 5(7) - 4(9)/ 20
Simplify
We get
35 - 36/20
= -1/20
Hope this helps
Answer:
y = -4.5
Step-by-step explanation:
Answer:
Step-by-step explanation:
Two angles that are adjacent (share a leg) and supplementary (add up to 180°)
3(x-7) = 6(x-10)
3x-21 = 6x-60
6x-3x = 60-21
3x = 39
x = 13
So, OPTION D is your answer!!!
Answer: 
Step-by-step explanation:
If we let the length of the ladder be
, as shown in the diagram, this means that by the Pythagorean theorem,
m.