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valentinak56 [21]
3 years ago
12

Your friend has 5100 when he goes to the fair. He spends $10 to enter the fair and $20 on food. Rides at the fair cost $2 per ri

de. Which function can be used to
determine how much money he has left over after x rides?
f(x) = -2x + 70
f(x) = 2x + 70
f(x) = -2x - 70
f(x) = -30% + $100
Mathematics
1 answer:
Tresset [83]3 years ago
6 0

Answer:     f(x) = −2x + 70

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How do you find surface area
Oksana_A [137]

Answer:

look at my explanation

Step-by-step explanation:

Find the area of two sides (Length*Height)*2 sides. Find the area of adjacent sides (Width*Height)*2 sides. Find the area of ends (Length*Width)*2 ends. Add the three areas together to find the surface area

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Jada is visiting New York City to see the Empire State building. She is 100 feet away when she spots it. To see the top, she has
Ilia_Sergeevich [38]
(sin(86.10) * 100 ) / (sin(3.90)) = 1466.85 ft.

(3.90 is the angle of the top to Jada. (180 - (86.1+90))
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3 years ago
What percent is 300 of 1l​
shusha [124]

Answer:

30%

Step-by-step explanation:

1L = 1000ml

--------------------

100%-> 1000

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7 0
3 years ago
12) Write the equation of a rational function
aev [14]

Answer:

\frac{4(x - 5)(x + 7)(x - 12)}{(x + 1)(x)(x - 12)}

Step-by-step explanation:

A rational function is

\frac{p(x)}{q(x)}

where q(x) doesn't equal zero.

If p is a asymptote, or hole at that value, then we will use

(x - p)

Step 1: We have asymptote as 0 and -1 so our denomiator will include

(x - 0)(x - ( - 1)

Which is

(x)(x + 1)

So our denomator so far is

\frac{p(x)}{x(x + 1)}

Step 2: Find Holes.

Since 12 is the value of the hole,

(x - 12)

is a the binomial.

This will be both on the numerator and denomator so qe have

\frac{(x - 12)}{x(x + 1)(x - 12)}

Step 3: Put the x intercepts in the numerator.

Since 5 and -7 is the intercepts,

\frac{(x - 12)(x - 5)(x + 7)}{x(x + 1)(x - 12)}

Step 4: Horinzontal Asymptotes,

Multiply the numerator and denomiator out fully,

\frac{  {x}^{3} - 10 {x}^{2}  - 59x + 420 }{ {x}^{3} - 12 {x}^{2}   + x - 12}

Take a L

look at the coefficients,

Notice they have the same degree,3, this means if we divide the leading coefficents, we will get our horinzonral asymptote.

Multiply the numerator by 4.

\frac{4(x - 12)(x - 5)(x - 7)}{x(x + 1)(x - 12)}

Above is the function,

5 0
3 years ago
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