74. What is the slope of the line 6x – 3y = 54 ?.
2 answers:
Answer:
Step-by-step explanation:
- Before beginning, I'm going to show the guideline for slope-intercept form for linear equations:
· Slope-Intercept Form:
slope; the rotation of the line
the line's
-intercept; where the line hits the
· Both and
are constant integers whose value ranges from -∞ ⇒ ∞, all real numbers.
· and
are values that depend on each other's value;
is how you would see them written on a number line.
- With this in mind, let's look at our current equation.
- It seems that our equation is not in a form that could easily show us what it's rotation is, slope, or where it hits the -axis, so we're going to have to rearrange our equation so that it follows the slope-intercept guideline shown above.
- My first step was to move any values that are neither being multiplied nor divided by
is being added to
, so by adding the reciprocal of
- Now our equation is starting to look somewhat like the guideline for slope-intercept form; all we need to do now is get rid of the
next to the
- Almost there. All that's left is simplification and we're done!
two times, and
negative eighteen times, so our final, simplified equation is:
- By looking at our guideline,
where
is slope and
is the
The slope of is
.
Uninterrupted Work:
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Answer:
7. 25% of the merchants who purchase goods from Asia also purchase from Europe.
Step-by-step explanation:
I am going to say that:
A is the percentage of merchants who purchase goods from Asia.
B is the percentage of merchants who purchase goods from Europe.
We have that:
In which a is the probability that a merchant purchases goods from Asia but not from Europe and is the probability that a merchant purchases goods from both Asia and Europe.
By the same logic, we have that:
Which of following statement is individually sufficient to calculate what percent of the merchants in the group purchase goods from Europe but not form Asia?
We already have B.
Knowing , that is, the percentage of those who purchase from both Asia and Europe, we can find b.
So the correct answer is:
7. 25% of the merchants who purchase goods from Asia also purchase from Europe.