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crimeas [40]
4 years ago
5

On a busy day at the amusement park, Kelly waited 15 minutes in line for the haunted house. In total, Kelly took 28 minutes to w

ait in line and go through the haunted house. How long was Kelly inside the haunted house?
Mathematics
1 answer:
irinina [24]4 years ago
6 0

Answer:

13 Minutes

Step-by-step explanation:

If it took 28 minutes total to wait in line and be in the haunted house, then the equation would be 15+x=28

x=13

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A line passes through the points (6,5) and (2,2) . Select Yes or No to tell whether each equation describes this line. Equation
Marta_Voda [28]

ANSWER

y-5=\frac{3}{4}(x-6),Yes

y-5=-\frac{4}{3} (x-2),NO

y-2=-\frac{3}{4} (x-6),NO

y-2=\frac{3}{4}(x-2),Yes


EXPLANATION

The line passes through these two points, (6,5) and(2,2).


We can use these two points to determine the slope of the line.

The formula for finding the slope of a line when at least two points are known is m=\frac{y_2-y_1}{x_2-x_1}.


We can choose (x_1,y_1)=(6,5) and (x_2,y_2)=(2,2) or (x_1,y_1)=(2,2) and (x_2,y_2)=(6,5).


We shall get the same result.


m=\frac{2-5}{2-6} =\frac{-3}{-4} =\frac{3}{4}.


We now determine the equation of the line using the poit-slope formula,


y-y_1=m(x-x_1).


When we choose (x_1,y_1)=(6,5), then we will obtain,


y-5=\frac{3}{4}(x-6) as the point-slope form.


When we choose (x_1,y_1)=(2,2), then we will obtain,


y-2=\frac{3}{4}(x-2) as the point-slope form.

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