-13x = -65
A.-845
B.845
C.-5
D.5
Solve
r = -6
---------
8
A. -48
B. -8
------
6
C.-1
------
48
D. 48
To solve the equation -13x = -65, we need to isolate the variable x. We do this by performing inverse operations to both sides of the equation.
First, we can start by dividing both sides by -13 to get: x = -65 / -13.
-65 divided by -13 simplifies to 5, so x = 5.
Therefore, the correct answer is D. 5.
Now, let's solve the expression r = -6 / 8.
To divide fractions, we need to multiply the numerator of the first fraction by the reciprocal of the second fraction.
In this case, the reciprocal of 8 is 1/8.
Therefore, r = -6 * (1/8).
Multiplying -6 by 1/8 gives us -6/8, which simplifies to -3/4.
So, r = -3/4.
To convert -3/4 to a mixed number, we divide the numerator by the denominator:
-3 divided by 4 is -0 remainder 3.
Therefore, the answer is B. -8 3/4.
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