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max2010maxim [7]

3 years ago

7

If 7 people each ride a roller coaster 5 times , and it is $2 per person per ride, what is the total price they paid for the rid

es?

1 answer:

vladimir1956 [14]3 years ago

4 0

Seventy dollars for the rides

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matrenka [14]

Answer:

$y = -\frac{3}{2}x+15$

Step-by-step explanation:

Given:

Given point P(6, 6)

The equation of the line.

$y = \frac{2}{3}x$

We need to find the equation of the line perpendicular to the given line that contains P

Solution:

The equation of the line.

$y = \frac{2}{3}x$

Now, we compare the given equation by standard form $y = mx +c$

So, slope of the line $m_{1} = \frac{2}{3}$ , and

y-intercept $c=0$

We know that the slope of the perpendicular line $m_{1}\times m_{2} = -1$

$m_{2}=-\frac{1}{m_{1}}$

$m_{2}=-\frac{1}{\frac{2}{3} }$

$m_{2}=-\frac{3}{2}$

So, the slope of the perpendicular line $m_{2}=-\frac{3}{2}$

From the above statement, line passes through the point P(6, 6).

Using slope intercept formula to know y-intercept.

$y=mx+c$

Substitute point $P(x_{1}, y_{1})=P(6, 6)$ and $m = m_{2}=-\frac{3}{2}$

$6=-\frac{3}{2}\times 6 +c$

$6=-3\times 3 +c$

$c=6+9$

$c=15$

So, the y-intercept of the perpendicular line $c=15$

Using point slope formula.

$y=mx+c$

Substitute $m = m_{2}=-\frac{3}{2}$ and $c=15$ in above equation.

$y = -\frac{3}{2}x+15$

Therefore: the equation of the perpendicular line $y = -\frac{3}{2}x+15$

8 0

3 years ago

I need help guys ok thinks

Serhud [2]

3/9 + 1/2 = 5/6
2 1/3 + 2 1/4 = 4 and 7/12

7 0

3 years ago

in the next several games , the pitcher threw a total of 384 pitches and used a fastball 240 times. What decimal should juanita

umka21 [38]

Divide the number of fast balls by the total number of pitches:

240 / 384 = 0.625

7 0

3 years ago

The slope of the line that passes through the point (17,20) and (1,-8) is

AlladinOne [14]

Answer:

y = m x + b standard form of equation for straight line\

m = (y2 - y1) / (x2 - x1) = (20 - -8) / 17 - 1) = 28 / 16

m = 7 / 4

8 0

3 years ago

What is 2/3 of 3/5 ?

Greeley [361]

Answer:

$\frac{2}{5}$

2/5

Step-by-step explanation:

to multiply fractions, multiply the numerators together and the denominators together:

$\frac{2}{3} x \frac{3}{5}$

$\frac{2*3}{3*5}$

$\frac{6}{15}$

$\frac{2}{5}$

3 0

3 years ago