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Ber [7]
3 years ago
15

HELP ME ASAP PLSSSS I will make your brainly something that makes you the best

Mathematics
1 answer:
irinina [24]3 years ago
3 0
So u need help then go to the hospital
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Piravena must make a trip from A to B then from B to C, then from C to A. Each of these three parts of the trip is made entirely
anyanavicka [17]

Answer:

a) Cost of flying from A to B = $425

b) Total distance travelled by Piravena during the complete trip = 7,500 km

c) To minimize cost and arrive at the final cost given, she must have travelled by bus from B to C and then travelled by taking an airplane from C to A.

Step-by-step explanation:

The complete question is presented in the attached image to this question.

Full Question

a) To begin her trip she flew from A to B. Determine the cost of flying from A to B.

b) Determine the distance she travels for her complete trip.

c) Piravena chose the least expensive way to travel between cities and her total cost was $1012.50. Given that she flew from A to B, determine her method of transportation from B to C and her method of transportation from C to A.

Solution

a) The distance from A to B is given as 3250 km.

To take an airplane, it costs her a $100 booking fee, plus $0.10 per kilometer.

So, to fly 3250 km, she will pay

100 + (0.10×3250) = $425

b) For her complete journey, she is to make a trip from A to B then from B to C, then from C to A.

Her complete distance travelled = AB + BC + CA

But it is given that the three cities form a right angled triangle as given in the question with AB serving as the hypotenuse side.

Pythagoras theorem gives that the square of the hypotenuse side is equal to the sum of the respective squares of the other two sides

AB² = BC² + CA²

3250² = BC² + 3000²

BC² = 3250² - 3000² = 1,562,500

BC = √1,562,500 = 1,250 km

Total distance covered by Piravena during the entire trip = AB + BC + CA = 3250 + 1250 + 3000 = 7,500 km

c) Her total cost of travel = $1012.50

But she definitely flew from A to B at a cost of $425

This means she spent (1012.50 - 425) on the rest of the journey, that is, $587.5

Note that to travel by bus, it is $0.15 per kilometre and to travel by airplane is $100 + $0.10 per kilometre. Indicating that the airplane saves cost on long distance travels while the bus saves cost on short distance travels.

To confirm this, we calculate the two options (bus or airplane) for each route.

If she travels B to C by bus, cost = 0.15 × 1250 = $187.5

If she travels B to C by airplane, cost = 100 + (0.10×1250) = $225

Hence, the bus obviously minimizes cost here.

If she travels from C to A by bus, cost = 0.15 × 3000 = $450

If she travels from C to A by airplane, cost = 100 + (0.10×3000) = $400

Here, travelling by airplane minimizes the cost.

So, if we confirm now that she travelled from B to C by bus and then from C to A by airplane, total cost = 187.5 + 400 = $587.5

which is the remaining part of her total cost is she minimized expenses!

Hope this Helps!!!

7 0
3 years ago
Please help it’s easy, I just need help on the state the problem questions. Make sure to put the number by the answer.
abruzzese [7]

The property of the questions are correctly stated below.

<h3>Properties of the various given equations </h3>

  • Commutative property of addition: This is represented by equation 7

  • Commutative property of multiplication: This is represented by equation 5.

  • Associative property of addition: This is represented by equation 4.

  • Associative property of multiplication: Not represented with any equation.

  • Additive identity property: This is represented by equation 10.

  • Multiplicative identity property: This is represented by equation 1.

  • Multiplicative property of zero: This is represented by equation 8.

  • Multiplicative inverse property: Not represented with any equation.

  • Distribution property: This is represented by equation 2.

  • Reflexive property: This is represented by equation 3.

  • Symmetric property: Not represented with any equation.

  • Transitive property: This is represented by equation 2.

  • Substitution property: This is represented by equation 2.

Learn more about equations here:

brainly.com/question/2972832

#SPJ1

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What is 0,-4/7,-1/3,0.1,-0.1 in form least to greatest
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Answer:

-4/7, -1/3, -0.1, 0, 0.1

Step-by-step explanation:

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A utility (such as a power company) which controls all services in a designated area is called a
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These are the choices I found on the internet:
<span>A) trust.
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D) devised oligopoly.

The best answer would be letter C - natural monopoly. </span>This is a situation where one firm can supply a market's entire demand (because of a unique raw material, technology, or other factors) for a good or service at a value lower than two or more firms.
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Three multiplied by a number g
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Thats gonna be 3g...
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