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Serga [27]
3 years ago
11

There are cars and motorcycles in a campus parking lot. The parking attendant noticed there are a total of 294 tires and a total

of 85 cars and motorcycles. How many cars and how many motorcycles are in the lot?
Mathematics
1 answer:
malfutka [58]3 years ago
4 0
This can't work because if there are 60 cars that means there are 240 car wheels and then 25 bikes means 50 bike wheels for a total of 290 wheels, if there was 1 more car then it would be 86 cars and motorcycles with 294 wheels or 2 more bikes would mean 87 cars and motorcycles with 294 wheels
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Michael's bike uses 3 litres of fuel for
gavmur [86]
ANSWER:
$18.90

EXPLANATION:
3L of fuel for every 100km

450km = 13.5L

13.5 x 1.40 = $18.90
7 0
1 year ago
Find the area between the graph of the function and the x-axis over the given interval, if possible.
vodomira [7]

Answer:

A= -\frac{5}{-1} - \lim_{x\to\infty} \frac{5}{x-2} = 5-0 = 5

So then the integral converges and the area below the curve and the x axis would be 5.

Step-by-step explanation:

In order to calculate the area between the function and the x axis we need to solve the following integral:

A = \int_{-\infty}^1 \frac{5}{(x-2)^2}

For this case we can use the following substitution u = x-2 and we have dx = du

A = \int_{a}^b \frac{5}{u^2} du = 5\int_{a}^b u^{-2}du

And if we solve the integral we got:

A= -\frac{5}{u} \Big|_a^b

And we can rewrite the expression again in terms of x and we got:

A = -\frac{5}{x-2} \Big|_{-\infty}^1

And we can solve this using the fundamental theorem of calculus like this:

A= -\frac{5}{-1} - \lim_{x\to\infty} \frac{5}{x-2} = 5-0 = 5

So then the integral converges and the area below the curve and the x axis would be 5.

7 0
3 years ago
Which of the following satisfies 3x+1=4 (mod 9) ?
Ymorist [56]

Got it. Hope this will help.

8 0
3 years ago
(1/2)power 5=?? please help
Mashutka [201]

\frac{1}{2} \: to \: the \: power \: of \: 5 \: is \:  \frac{1}{32} or \: 0.03125

4 0
2 years ago
Read 2 more answers
It takes Chris 6.5 hours to drive 455 miles. If he travels at the same rate, how long will it take him to drive 2100 miles?
mart [117]
First let’s divided 455 by 6.5 to figure out how far he travels in 1 hour which is equal to 70, now let’s do 2100 divided by 70, it will take 30 hours for him to drive 2100 miles.
3 0
3 years ago
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