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vlada-n [284]
3 years ago
8

The function rule C = 10n + 26 relates the number of people n who attend a small concert to the cost in dollars C of the concert

. Make a table of the input/output pairs to show the cost if 27, 39, and 43 people attend. (3 points) (explain
Mathematics
1 answer:
Nezavi [6.7K]3 years ago
4 0
This is the concept of functions. We are required to calculate for the total cost of tickets if 27, 39 and 43 people attended a concert whose cost was represented by C=10n+26.
To solve for this we substitute the each values in the function as follows;
When n=27
C(27)=10*27+26=296

When n=39
C(39)=10*39+26=416

When n=43
C(43)=10*43+26
=456
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How do convert 51.2% into a decimal
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Move the point two times.

Step-by-step explanation:

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Consider the function on the interval (0, 2π). f(x) = 7 sin2(x) + 7 sin(x) (a) Find the open interval(s) on which the function i
-BARSIC- [3]

Answer with Step-by-step explanation:

Given

f(x)=7sin(2x)+7sin(x)

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14cos(2x)+7cos(x)=f'(x)

Now we know that for an increasing function we have

f'(x)>0\\\\14cos(2x)+7cos(x)>0\\\\2cos(2x)+cos(x)>0\\\\2(2cos^{2}(x)-1)+cos(x)>0\\\\4cos^{2}(x)+cos(x)-2>0\\\\(2cos(x)+\frac{1}{2})^2-2-\frac{1}{4}>0\\\\(2cos(x)+\frac{1}{2})^2>\frac{9}{4}\\\\2cos(x)>\frac{3}{2}-\frac{1}{2}\\\\\therefore cos(x)>\frac{1}{4}\\\\\therefore x=[0,cos^{-1}(1/4)]\cup [2\pi-cos^{-1}(1/4),2\pi ]

Similarly for decreasing function we have

[tex]f'(x)

Part b)

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4 0
4 years ago
Fabian Harvey says 10 pounds of tomatoes from his garden he needs to to face pounds to make a batch of soup if he sets aside 2.8
soldier1979 [14.2K]

Answer:

7.2

Step-by-step explanation:

Given:

Fabian Harvey says 10 pounds of tomatoes from his garden

He sets aside 2.8 pounds of tomatoes to make spaghetti sauce

Question asked:

How many batches of soup can Fabian make ?

Solution:

By subtracting:

Total pounds of tomatoes = 10

He sets aside = 2.8

Remaining  pounds of tomatoes = 10 - 2.8 = 7.2 pounds of tomatoes

Thus, 7.2 pounds of tomatoes of  batches of soup Fabian can make.

4 0
4 years ago
Help..? ill give you a lot of points
eduard

Answer:

Thx

Step-by-step explanation:

Yes

8 0
3 years ago
Read 2 more answers
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