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likoan [24]
2 years ago
6

A local band sells out for their concert. They sell all 1,175 tickets for a total purse of $28,112.50. The tickets were priced a

t $20 for student tickets, $22.50 for children, and $29 for adult tickets. If the band sold twice as many adult as children tickets, how many of each type was sold
Mathematics
1 answer:
marusya05 [52]2 years ago
3 0

Answer:

225 children tickets, 450 adult tickets and 500 student tickets were sold

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The function f(x) is an increasing function about which little else is known about other than f(2)=7 and f'(2)=5. Find (f^-1)'(7
andreyandreev [35.5K]

Since f(x) is (strictly) increasing, we know that it is one-to-one and has an inverse f^(-1)(x). Then we can apply the inverse function theorem. Suppose f(a) = b and a = f^(-1)(b). By definition of inverse function, we have

f^(-1)(f(x)) = x

Differentiating with the chain rule gives

(f^(-1))'(f(x)) f'(x) = 1

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(f^(-1))'(f(x)) = 1/f'(x)

Let x = a; then

(f^(-1))'(f(a)) = 1/f'(a)

(f^(-1))'(b) = 1/f'(a)

In particular, we take a = 2 and b = 7; then

(f^(-1))'(7) = 1/f'(2) = 1/5

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2 years ago
A regular triangular pyramid has a base and lateral faces that are congruent equilateral triangles. It has a lateral surface are
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We know that

[lateral surface area of a regular triangular pyramid]=3*[area of one <span>equilateral triangle]
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the answer is
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3 years ago
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Answer:

12

Step-by-step explanation:

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3 years ago
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This is a working backwards question.
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Now that the units are the same, we put it in a calculator.


1.8÷0.45= 4

Therefore, there are 4 golf balls in the bags.
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Hope this helped!

4 0
3 years ago
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