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alex41 [277]
3 years ago
7

I theater sells tickets for a concert. Tickets for lower-level seats sell for $35 each and tickets for upper-level seats sell fo

r $25 each. The theater sells 350 tickets for $10,250 how many tickets of each type or sold?
Mathematics
1 answer:
lora16 [44]3 years ago
7 0

Let X= the number of tickets sold at $35 each

Let 350 -X = the number of tickets sold at $25 each

The number of tickets sold for each type will be computed as follows:

X(35)+(350-X)25=10250

35X+8750-25X=10250

10X=10250-8750

X=1500/10

X=150 the number of tickets sold at $35 each

350-150 the number of tickets sold at $25 each

To recheck:

150(35)+200(25)

5250+5000

10250

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Is the function even,odd, or neither
alukav5142 [94]

Answer:

even I think

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
I don’t understand it
kondaur [170]

Answer:

m<F=50

Step-by-step explanation:

complementary angles mean that together they equal 90, we need to set up an equation to find x, and then put x into angle F to find its measurement :)

m<C+m<F=90

(2x+10)+(x+35)=90

calculate to find x!

x=15

now we put 15 into (x+35)

15+35=50

hope this helps!! :D

7 0
3 years ago
A school has 3400 students. They conduct a random sample of 124 students and find that 38 of them hate the school.
Contact [7]

Answer:

a) We need a sample size of at least 2401.

b) We need a sample size of at least 1936.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of , and a confidence level of , we have the following confidence interval of proportions.

In which

z is the zscore that has a pvalue of .

The margin of error is:

95% confidence level

So , z is the value of Z that has a pvalue of , so .

(a) you are unwilling to predict the proportion value at your school and​

We use , which is when we are going to need the largest sample size.

So we need to find We need a sample size of at least 2401.

(b) you use the results from the surveyed school as a guideline.

Now the same calculation, just with . So

We need a sample size of at least 1936.

5 0
3 years ago
Can someone help me plz I'm confused
muminat
9. 

2x+3+x+9 = 180 => 3x = 168 => x = 56;
m(<ABD) = 2*56 + 3 = 115.
4 0
3 years ago
How many units long is a line segment whose endpoints have coordinates (-3,7) and (2,-5)?
Ilia_Sergeevich [38]

Answer:

D = 13 units

Step-by-step explanation:

<u><em>Using Distance Formula to find the length.</em></u>

Distance Formula = \sqrt{(x2-x1)^2+(y2-y1)^2}

D = \sqrt{(2+3)^2+(-5-7)^2}

D = \sqrt{(5)^2+(-12)^2}

D = \sqrt{25+144}

D = \sqrt{169}

D = 13 units

8 0
3 years ago
Read 2 more answers
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