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vazorg [7]
3 years ago
5

Joining the frequent visitor program at the planetarium costs $5 per year, write an equation that can be used to determine n, th

e number of visits per year for which the cost of being a member of the frequent visitor program is equal to the cost of not being a member. Tickets cost $11 for each student who is a member of the planetarium's frequent visitor program and $13 for each student who is not a member.
Mathematics
1 answer:
Andrej [43]3 years ago
7 0
11n + 5 = 13n <== ur equation
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How do i solve this pls​
miskamm [114]
First we would solve both x’s
3x^2 - 5x
But 3 has the thingy thing (forgot the name haha)
Which means you have to multiply it by itself that many times which would be
3x3=9
So now it would be
9x- 5x = 4x
Which leaves 7 and 4x

Now you may subtract those two

7-4x= 3x
7 0
3 years ago
Help solve for r????
Aleonysh [2.5K]

\ \frac{66(r)}{22}  - ( \frac{16}{16}  - 1) = r +  \frac{72}{3}  \div 3  \\  \frac{3r}{1}   - 0 = r + 72 \\ 3r = r + 72 \\ r = 36
3 0
4 years ago
A stadium in Pennsylvanian seats 107,282 people. A stadium in Arizona seats 71,706 people. Based on these facts, how many more p
Blizzard [7]
Well, since we are finding out how many more seats there are in the Pennsylvanian stadium than in the Arizona stadium, we will have to subtract to find the difference. 107,282(pennsylvanian stadium) - 71,706(arizona stadium) would be 35,576 seats. So there would be 35,576 more seating in the Pennsylvanian Stadium than the Arizona Stadium.
8 0
3 years ago
Automobile mechanics conduct diagnostic tests on 150 new cars of particular make and model to determine the extent to which they
galben [10]

Answer: 0.0944

Step-by-step explanation:

Given : Sample size of cars : n= 150, sample size is greater than 30 , so we use z-test.

Number of cars tested do have faulty catalytic converters =42

Then the proportion of cars   have faulty catalytic converters : \hat{p}=\dfrac{42}{150}=0.28

Critical value of z for 99% confidence level : z_{\alpha/2}=2.576

Formula for Margin of error :

E=z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

E=(2.576)\sqrt{\dfrac{0.28(1-0.28)}{150}}\\\\=0.0944377199216\approx0.0944\ \text{Rounded to four decimal places}

Hence, the required margin of error = 0.0944

6 0
3 years ago
dominique and ella are comparing whose jet traveled faster. The graph shows the relationship between the total distance Dominiqu
Alla [95]

Answer: Yes

Step-by-step explanation:

8 0
3 years ago
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