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melisa1 [442]
3 years ago
10

Maria is renting kayaks from a local shop that charges a $10 fee, plus an hourly rate of $7.50.

Mathematics
1 answer:
omeli [17]3 years ago
3 0

Answer:

8 hours

Step-by-step explanation:

70-10

60÷7.50= 8 hours

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There are approximately 113 million TVs in the United States. Each uses, on average, 76 W of power and is turned on for 6.3 hour
ioda

Answer:

76 W *\frac{1kW}{1000 W}= 0.076 kW

0.076 kW * 6.3 \frac{hours}{day}= 0.4788 \frac{kWh}{day}

113x10^6 people * \frac{0.4788 kWh}{people}= 54104400 kWh

And finally we can convert this into money like this:

54104400 kWh *\frac{0.089 dollars}{1 kWh}= 4815291.6

So they spent every day approximately in total $ 4815291.6 dollars

Step-by-step explanation:

For this case we can convert the average power into Kw like this:

76 W *\frac{1kW}{1000 W}= 0.076 kW

Now on average we know that one person use on average this power over 6.3 hours per day so then we have the following consumption rate:

0.076 kW * 6.3 \frac{hours}{day}= 0.4788 \frac{kWh}{day}

And now we know the total population so then the total consumption per day would be:

113x10^6 people * \frac{0.4788 kWh}{people}= 54104400 kWh

And finally we can convert this into money like this:

54104400 kWh *\frac{0.089 dollars}{1 kWh}= 4815291.6

So they spent every day approximately in total $ 4815291.6 dollars

6 0
3 years ago
Read 2 more answers
13 million<br> in scientific notation
amm1812
13,000, 000 is the correct answer
3 0
3 years ago
X = 55, because 60 + 65 = 125 and 180 - 125 = 55
Lina20 [59]

Answer: x= 55 because 60 + 65 =125 and 180 - 125 = 55

Step-by-step explanation:

The sum of three angles in any triangle is 180. Therefore you add the two angles that you have and use that number to subtract it by 180. Then you will have your answer. Also you can get the answer to y by subtracting the value of x from 180.

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PLEASE HELP ASAP!!!
Natalka [10]

Answer:

The company can manufacture 135 boxes of stuffed animals for $5000

Step-by-step explanation:

To find b, substitute $5000 for c(x), so

  • 5000 = 20b + 2300

Then subtract 2300 from both sides of the equation, so

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  • 2700 = 20b

Finally divide both sides of the equation by 20, so

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To check your answer substitute 135 in as b...

  • c(x) = 20(135) + 2300
  • c(x) = 5000
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3 years ago
Write an expression that represents the number of shells in pile 2.
daser333 [38]

Answer:

2

Step-by-step explanation:

4/2=2

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