Step-by-step explanation:
Let the number of psychology books be 'x'.
and that of sociology books be 'y'.
x + y = 317 (given)
Number of sociology books sold was 89 less than that of psychology books.
y = x - 89
Which means,
x + x - 89 = 317
2x = 317 + 89
2x = 406
x = 406/2 = 203
y = 203 - 89 = 114
Hence, 203 psychology books and 114 sociology books were sold.
Answer:
c.
Step-by-step explanation:
Law of sines
=
A and B are angles.
a and b are sides opposite corresponding angles.
Answer:
the answer is D) 5cm
Step-by-step explanation:
Answer:
Isolate the variable through inverse operations
Step-by-step explanation:
The given equation is
We need to identify the next step in the equation solving sequence.
Observe that, 2 is multiplying the variable x.
The inverse of Multiplication is division.
To isolate the variable, we divide through by 2.
Therefore the correct answer is