Someone help pleeeeaSe
2 answers:
Answer:
The answer is
First, you have to have both fractions have the same denominators. With that, you can subtract both with them.
So, the LCD (Lowest common denominator) is 15, meaning, you have to multiply both fractions to get the denominator to 15.
Multiply 4x/5 by 3 (both numerator and denominator) and multiply 2x/3 by 5 (both n and d).
After multiplying, you get 12x/15 - 10x/3
Then you subtract it and get 2x/15 !
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Answer:
D
Step-by-step explanation:
We will use the 2 coordinates marked on the graph as the reference.
The coordinates are:
A(4,-2)
B(0,3)
We know that the standard form for equation of line is:
y = mx+c
where m is the slope of the equation
and c is the y-intercept.
Very clearly, the y-intercept is where the line intercepts the y line.
and in this case, y-intercept = c = 3.
Now we know that the equation of line is now
y = mx + 3
To find m, the slope, we can use the 2 above coordinates.
slope of line =
(Note: There is a 2nd way to find the slope in this case, let me know if you are interested to find out.)
Equation of line:
Therefore the answer is D.
Answer:
Step-by-step explanation:
see the attached figure with letters to better understand the problem
we know that
In the right triangle ABD
In the right triangle BCD
remember that
m< BAD=m<CBD
therefore
equate the equations
