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jasenka [17]
2 years ago
15

the ortiz will travel fron indianapolis to denver this summer.The driving distance between the two cities is 1058 miles. They ne

ed to find out about how much the gas will cost round trip. Their car gets about 20 miles per gallon. They usually spend about $2.89 per gallon. a write and solve an algebraic equation to find out how many miles they will travel. Explain your steps. b. Write and solve an algebraic equation to find out how many gallons of gas they will use. Explain your steps. c. Write and solve an algebraic equation to find out how much ortiz's will spend on gas round trip. Explain your steps. d. suppose you know the total cost of the gas, do not know the price pe gallon. Explain how you would work backward to solved the problem
Mathematics
1 answer:
Sladkaya [172]2 years ago
3 0

Answer:

  a. 2116 miles

  b. 105.8 gallons

  c. $305.76

  d. cost per gallon = total cost / number of gallons = total cost/105.8

Step-by-step explanation:

<h3>a. </h3>

The round-trip distance is the sum of the distances there and back. It is double the one-way distance.

  round-trip distance = 2 × one-way distance

  round-trip distance = 2 × 1058 miles = 2116 miles

__

<h3>b.</h3>

The gas used will be the distance divided by miles per gallon.

  gas used = round-trip distance / miles-per-gallon

  gas used = (2116 mi)/(20 mi/gal) = 105.8 gal

__

<h3>c.</h3>

The cost of gas will be the product of cost per gallon and number of gallons.

  cost of gas = cost-per-gallon × gallons

  cost of gas = $2.89/gal × 105.8 gal = $305.762 ≈ $305.76

__

<h3>d.</h3>

The relation used in the previous step can be used to find the cost per gallon. Divide that equation by gallons to get ...

  (cost of gas)/gallons = cost-per-gallon

For the same trip, the number of gallons is 105.8, so the equation becomes ...

  cost-per-gallon = (cost of gas)/105.8

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10 points for this! btw it’s really easy to some people so yea
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Answer:

C

step-by-step explanation:

you just have to subtract them 9/16-1/4=8/12

6 0
3 years ago
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trapecia [35]

The expression that represent the total amount Ilean earned last week is 27(18) + 75  

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

Let y represent the total amount Ilean earned last week for working x hours.

Since she worked for 27 hours and earned $75 to design a web page. Hence:

y = 27(18) + 75

The expression that represent the total amount Ilean earned last week is 27(18) + 75  

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8 0
2 years ago
Which numbers are the extremes of the proportion shown below
Svetllana [295]

Answer:

3 and 8 are the extremes of the given proportion (first listed answer option)

Step-by-step explanation:

In a proportion of the type:

\frac{A}{B} =\frac{C}{D}

the values "A" and "D" are called "extremes of the proportion, while "B" and "C" are called the "means" of the proportion.

This comes from writing it as:   A : B = C : D

where we observe that A and D are the more "extreme" values being further away from the equal sign than the quantities B and C which are more towards the middle (center of the proportion).

So in your case, the numbers 3 and 8 are the extremes

6 0
3 years ago
A high jumper starts the bar at 48 inches and raises the bar 1/2 inch after each jump.How high will the bar be after the seventh
VARVARA [1.3K]

Answer:

51.5 in , Formula: y=1/2x+48

Step-by-step explanation:

First, create a formula as shown above

Next, plug your number into the formula:

y=1/2(7)+48

Then, simplify your equation by multiplying 1/2 by 7 and getting 3.5, now add 48 and you get 51.5in

Last, check your work by adding 1/2 seven times and you will get the same result

I hope this helps you and if it does please give a thanks (i would eternally appreciate a brainliest trying t level up)

If i am wrong leave a comment

3 0
3 years ago
If the simple interest on $5000 for 5 years is $1500 then what is the interest rate?​
hjlf

15%?

Its 15 because it just is because I am big brain.

Its the thingy because 5 and 5 and another 5 plus 1500 = 15%

No idea how I came up with 15%

8 0
2 years ago
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