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Nata [24]
3 years ago
6

An amusement park charges a $20 admission fee and $3 for each ride. Which equation can be used to determine c, the total cost of

a day at the amusement park, based on n, the number of rides?
c = 3n + 20

n = 3c + 20

c = 20n + 3

n = 20c + 3
Mathematics
1 answer:
PtichkaEL [24]3 years ago
5 0

Answer:

C = 3n+20

Step-by-step explanation:

C= The Cost

n= the number of rides

So if you get on 2 rides

that would be $6

because 3x2=6

or 3+3

and just add in the 20 to get in

so the sum is

<em>2</em><em>6</em><em> </em><em>if</em><em> </em>you were to get on 2 rides

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Answer:

B. Events H and C are dependent and P(H|C) < P(C|H)

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P(H|C) = 15/45 = 1/3

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4 0
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12 is what percent of 96
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12.5
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3 years ago
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3 years ago
Suppose a deposit of $ 2 , 000 in a savings account that paid an annual interest rate r (compounded yearly) is worth $ 2 , 209 a
arsen [322]

Answer:

5.1% (nearest tenth)

Step-by-step explanation:

<u>Annual Compound Interest Formula</u>

\large \text{$ \sf A=P\left(1+r\right)^{t} $}

where:

  • A = final amount
  • P = principal amount
  • r = interest rate (in decimal form)
  • t = time (in years)

Given:

  • A = $2,209
  • P = $2,000
  • t = 2 years

Substitute the given values into the formula and solve for r:

\implies \sf 2209=2000\left(1+r\right)^{2}

\implies \sf \dfrac{2209}{2000}=(1+r)^2

\implies \sf 1.1045=(1+r)^2

\implies \sf \sqrt{1.1045}=1+r

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