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Juliette [100K]
3 years ago
14

please help! at a recent cross country meet, spectators had to pay to get in. it cost $7 for adults and $3 for students. the boo

ster club selling tickets let's forgot to keep track of how many adults and student tickets they sold. however, they did know they sold 155 total tickets and made $645. write a system of equations to model this situation
Mathematics
1 answer:
erma4kov [3.2K]3 years ago
8 0

Answer:

Step-by-step explanation:

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What’s the fraction of 65% in its simplest form
patriot [66]

Answer:

13/20

Step-by-step explanation:

65%=65/100

65/100=13/20

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3 years ago
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Which is the equation of a line that has a slope of -2/3 and passes through point (-3,-1)?
Fantom [35]

Answer:


Step-by-step explanation:

You have to use Point Slope Form:

  • y - Y1 = m (x - X1)
  • m is the slope
  • Y1 & X1 is a point on the line
  • The form allows you to identify the slope & the point on the line

About Problem:

  • Since -2/3 is the slope, it represents m in y - Y1 = m (x - X1) form.
  • -3 represents X1 in y - Y1 = m (x - X1) form
  • -1 represents Y1  in y - Y1 = m (x - X1) form

y - Y1 = m (x - X1)

y - -1 = -2/3 (x - -3)  ---- This is in Point Slope Form

If you want to solve it, & put it in Slope Intercept form, it would look like this:

y = mx + b

y = -2/3 - 2 --- This is in Slope intercept Form.... I might've solved it wrong... I'm not sure...


Really really sorry if I'm incorrect...




5 0
3 years ago
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What is the average of the following numbers: 18, 64, 23, 78, 82, 91
Katen [24]
To Find The Answer, We Need To Add All Of Them Together, Then Divide By the Number Of Values. So:
64+23+78+82+91
-----------------------
             5

<span>64+23+78+82+91 = 338.
</span>
338
-----
  5

338/5 = 67.6

So, The Average Is 67.6
3 0
3 years ago
Please help me do this i need it​
Darya [45]

Answer:

(x+1)(3x+2) is the answer

6 0
3 years ago
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The radius of a circle is 12 miles. What is the angle measure of an arc bounding a sector with area 10​ square miles?
hram777 [196]

\bf \textit{area of a sector of a circle}\\\\ A=\cfrac{\theta \pi r^2}{360}~~ \begin{cases} r=radius\\ \theta =angle~in\\ \qquad degrees\\[-0.5em] \hrulefill\\ A=10\\ r=12 \end{cases}\implies 10=\cfrac{\theta \pi 12^2}{360}\implies 10=\cfrac{2\pi \theta }{5} \\\\\\ 20=2\pi \theta \implies \cfrac{20}{2\pi }=\theta \implies \cfrac{10}{\pi }=\theta \implies 3.18\approx \theta

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3 years ago
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