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3 years ago

When an amusement park opened, the counter on the turnstile at the entrance read 1278. Seven hours later, the counter read 3672

Mathematics

1 answer:

ValentinkaMS [17]3 years ago

7 0

Answer:

If the question is how many visitors per the seven hours the answer is: 342 people per hour

People who visited in the 7 hours: 3672-1278=2394

Average people per hour over 7 hour period: 2394/7=342

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The monthly cost of driving a car depends on the number of miles driven. Lynn found that in May it cost her $420 to drive 500 mi

djyliett [7]

Answer:

$C(d) = \frac{1}{5}d + 320$

Step-by-step explanation:

Given

$d \to miles$

$C \to cost$

So:

$(d_1,C_1) = (500,420)$ --- May

$(d_2,C_2) = (620,444)$ --- June

Required

Express as a function

Start by calculating the slope (m)

$m = \frac{\triangle C}{\triangle d}$

$m = \frac{444-420}{620-500}$

$m = \frac{24}{120}$

Simplify

$m = \frac{1}{5}$

The equation is:

$C(d) = m(d - d_1) +C_1$

$C(d) = \frac{1}{5}(d - 500) +420$

$C(d) = \frac{1}{5}d - 100 +420$

Take LCM

$C(d) = \frac{1}{5}d + 320$

6 0

2 years ago

4 [ (16 ÷2) - 1 ]<br><br> help me please?

8_murik_8 [283]

16 / 2 = 8
8 - 1 = 7
4 x 7 = 28

Hope this helps :)

4 0

3 years ago

Read 2 more answers

Latasha bought a concert ticket. She does not remember the price of the ticket, but she remembers that she had to pay $1 in tax.

docker41 [41]

Answer:

Original price of ticket = $12.5

Step-by-step explanation:

Given:

8% amount = $1

Find:

Original price of ticket

Computation:

Original price of ticket = 1(100/8)

Original price of ticket = $12.5

7 0

3 years ago

Jasmine was expected to get $150 for her bonus, but she only got $100. What was the percent error?

Slav-nsk [51]

Answer:

Jasmine expected to get $150 for her bonus, but she only got $100. What was the percent error?

-----

Amt of error:: $50

----------

% error:: 50/150 = 1/3 = 33 1/3%

7 0

3 years ago

The question is in the picture. Plz helppp it is due tonight

Mkey [24]

Answer:

Step-by-step explanation:

We're given one equation, we have to find the other equation and solve each for 200, and whichever has the lower x is the winner

for Jayden we are given

$(0, 48), (1, 56), (2, 64), (3, 72), (4, 80)$

This looks to be a line. The y values are each separated by a common difference

We can use two points to describe the line

$m = \frac{y_2-y_1}{x_2-x_1} = \frac{80-48}{4-0} = \frac{32}{4} = 8\\ K = 8m + b\\48 = 8(0) + b\\b = 48\\so\\K = 8m + 48$

Now we can set both $K = 8m + 48$ and $K = m^2 + 10$ equal to 200

$200 = 8m + 48\\152 = 8m \\m = \frac{152}{8} = 19$

$200 = m^2 + 10\\m^2 = 190\\m = \sqrt{190} = 13.784$

Keiko's blog will reach 200 subscribers fastest.

7 0

3 years ago