Need help with this one please answer fast
1 answer:
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Answer:
.
Step-by-step explanation:
A line that goes through and
where
would have a slope of
.
The slope of the line that goes through and
would thus be:
.
Two lines in a cartesian plane are perpendicular to one another if and only if the product of their slopes is .
Thus, if and
denote the slope of the first and second lines in this question,
since the two lines are perpendicular to one another. Since
, the slope of the first line would be:
.
Given that the first line goes through the point , the point-slope equation of that line would be:
.
.
Substitute in to find the
-coordinate of the point in question:
.
Answer:
D. <em>Marie can make 60 pies</em>.
Step-by-step explanation:
In this problem, we know that amount of small mango pies is directly proportional to the amount of mangoes. The amount needed for preparing an amount of pies is calculated by simple rule of three:
A. <em>Marie can make 30 pies</em>.
25 mangoes are required for producing 30 pies.
B. <em>Marie can make 40 pies</em>.
34 mangoes are required for producing 40 pies.
C. <em>Marie can make 50 pies</em>.
42 mangoes are required for producing 50 pies.
D. <em>Marie can make 60 pies</em>.
50 mangoes are required for producing 60 pies.
The complete statement is: <em>Marie can make 12 small mango pies for every 10 mangoes.How many pies can she make with 50 mangoes. </em>
Hence, correct answer is D.