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Natasha2012 [34]
4 years ago
7

Tickets for wisconsin state fair cost $13 for adults and $7 for children. After the first day, the wisconsin state fair sold 900

tickets and raised a total of $11,000. Write a system that correctly models this information.
Mathematics
1 answer:
sergiy2304 [10]4 years ago
6 0
First, let's define your variables!

x=cost of tickets for adults
y=cost of tickets for kids...

You know that they sold 900 tickets, which means the combination of x and y equals 900.
Therefore one equation is...
x+y=900
We also have to take care of the second equation...
We know that 13x represents the total cost of ADULT tickets
We know 7y represents the total cost for the children...
Which means...
13x+7y=11000
There are you equations! (bolded)
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6x - 3x + 4 – 2x = x+4

Step-by-step explanation:

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8 0
3 years ago
If f(x)=3x^2-2 and g(x)=4x+2 what is the value of f+g 2
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Answer:

20

Step-by-step explanation:

(f + g)(x) = f(x) + g(x)

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Substitute x = 2 into f(x) + g(x)

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5 0
3 years ago
At a restaurant a manger recorded the sales for one of his servers named
TiliK225 [7]

Answer: b. Damarias median sale is $52

Step-by-step explanation:

Hi, the correct option is b. Damarias median sale is $52.

If we rank the sales order from lowest to highest

28 46 48 48 52 52 59 60 71 192

Since 52 is the middle value, it's the median, because 4 sales are above it and 4 sales are below it.

Feel free to ask for more if needed or if you did not understand something.

8 0
3 years ago
What annual rate of interest is required to triple an investment in 7 years if it were compounded quarterly?
Jobisdone [24]

Answer:

Option C) 16.01%

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=7\ years\\P=\$x\\A=\$3x\\n=4  

substitute in the formula above  

3x=x(1+\frac{r}{4})^{4*7}  

3=(1+\frac{r}{4})^{28}  

Apply log both sides

elevated both sides to 1/28

\sqrt[28]{3}=(1+\frac{r}{4})

Multiply by 4 both sides to remove fraction

4\sqrt[28]{3}=4+r

subtract 4 both sides

r=4\sqrt[28]{3}-4

r=0.1601

convert to percentage

r=0.1601*100=16.01\%

4 0
3 years ago
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