Answer:
C
Step-by-step explanation:
Perpendicular lines have slopes which are the negative reciprocal of each other. To find the slope, convert 3x-5y=8 into y=mx+b form.
3x-5y=8
-5y = -3x +8
y = 3/5 x - 8/5
The slope is 3/5 so its perpendicular slope is -5/3. Write the equation of this line through the point (3,7) using point slope form. Then simplify into y=mx+b form.
You multiply the whole number by the denominator and then add the numerator and get 344/100 then simplify and then you get 86/25 then now its a improper fractions so turn it into a mixed number and its 3 11/25
Answer:
19 %
Step-by-step explanation:
589 is what percetage of 3100?
589 / 3100 * 100 % = 19%
The answer is 78.99%, So rounded up to 79%
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Answer:
12 is the denominator.
Step-by-step explanation:
<u>Here's a trick:</u>
If your ever making a proportion or equivalent fractions, always see what number the numerator/denominator is multiplied by to make the equivalent fraction.
In our case we have 3 being multiplied by x to get 18.
Since this is just 18 divided by 3, we ge that x = 6.
Now we can figure out our denominator's value.
We will multiply 2 times x to get our answer.
Since x = 6, we have 2 * 6 = 12 is our answer.
<u>Check:</u>
When we simplify, our answer should be equivalent to 3/2. If it isn't we've made a mistake. 18/12 = 6/4 = 3/2 so we are correct.
