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GuDViN [60]
2 years ago
10

Seventeen members of Tony's family are going to an amusement park during the week of their family reunion. Adult tickets cost $4

2 each and child tickets cost $33.50 each. If the total cost for admission to the part is $663, how many adults went to the park? (3 points)
Mathematics
2 answers:
ivanzaharov [21]2 years ago
8 0
6 adults - 6*39.50= 237
11 kids. - 11*31= 341

341 + 237 = 578
jek_recluse [69]2 years ago
4 0

Answer:

The Answer's 9 The Official Answer Is 9

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Answer:

x(3 + 4)

4(3x + 1)

Step-by-step explanation:

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The common factor is x, so factor out the x.

3x + 4x = x(3 + 4)

12m + 4

The common factor is 4, so factor out the 4.

12m + 4 = 4(3x + 1)

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How do I find the sum of this series?<br>Question D
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Sum of an infinite geometric sequence with the common ratio r, and the first term a1 is \frac{a_1}{1-r}

we notice
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1/2 times -1/4=-1/8
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so the sum is
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6 0
3 years ago
Given the function f(x)=x^2-8x+13f(x)=x, determine the average rate of change of the function over the interval −1≤x≤6.
Ann [662]

Given:

Consider the given function is:

f(x)=x^2-8x+13

To find:

The average rate of change of the function over the interval -1\leq x\leq 6.

Solution:

The average rate of change of the function f(x) over the interval [a,b] is:

m=\dfrac{f(x_2)-f(x_1)}{x_2-x_1}

We have,

f(x)=x^2-8x+13

At x=-1,

f(-1)=(-1)^2-8(-1)+13

f(-1)=1+8+13

f(-1)=22

At x=6,

f(6)=(6)^2-8(6)+13

f(6)=36-48+13

f(6)=1

Now, the average rate of change of the function f(x) over the interval -1\leq x\leq 6 is:

m=\dfrac{f(6)-f(-1)}{6-(-1)}

m=\dfrac{1-22}{7}

m=\dfrac{-21}{7}

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Therefore, the average rate of change of the function f(x) over the interval -1\leq x\leq 6 is -3.

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