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nirvana33 [79]
2 years ago
10

In some cities you can rent a car for ​$15 per day and ​$0.40 per mile. ​(a) find the cost of renting the car for one day and dr

iving 400 miles. ​(b) express the total rental expense as a function of the miles driven​ (x) when the car is rented for one day.
Mathematics
1 answer:
aniked [119]2 years ago
5 0

So the cost for renting the car for one day and driving it for 400 miles would be around 15 + 400 (0.4) = 160 + 15 = 175$

To write an expression for a day you can obviously just make up one by putting in x as the number of miles. So to calculate the cost for x miles you can write x * (0.4) and more over at the end we have to add the 15$ so the expression equals to 15 + 0.4 (x)

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ivann1987 [24]

9514 1404 393

Answer:

  • large: 55 lb
  • small: 30 lb

Step-by-step explanation:

Let x and y represent the weights of the large and small boxes, respectively. The problem statement gives rise to the system of equations ...

  x + y = 85 . . . . . combined weight of a large and small box

  70x +50y = 5350 . . . . combined weight of 70 large and 50 small boxes

We can subtract 50 times the first equation from the second to find the weight of a large box.

  (70x +50y) -50(x +y) = (5350) -50(85)

  20x = 1100 . . . . simplify

  x = 55 . . . . . . . divide by 20

Using this in the first equation, we can find the weight of a small box.

  55 +y = 85

  y = 30 . . . . . . . subtract 55

A large box weighs 55 pounds; a small box weighs 30 pounds.

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2 years ago
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agasfer [191]
… z =w …angle v x w = angle z x y
It follows AAA SIMILARITY Relation
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3 years ago
After dividing a piece of wood into four equal sections,each section is 4 in.long.How long was the piece of wood I started with
Cerrena [4.2K]

I'm going to out on a limb and say 16 in.

4 pieces * 4 in. = 16

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3 years ago
Simplify.<br><br> (fg2)4<br><br> Can you please help me? I'm stuck on this question
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Answer:

4fg^{2}

Step-by-step explanation:

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fg^{2} *4

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4fg^{2}

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HACTEHA [7]

Answer:

volume of cone = 12.56 cubic units

Step-by-step explanation:

Volume of cone = 1/3  π r² h

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