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1 year ago

14

Job-Finder charges employers d dollars to post a job on their website. They offer a 12% discount

1 answer:

Anuta_ua [19.1K]1 year ago

7 0

Using proportions, the algebraic expression for the cost of the 24 ads with the discount is:

Cost = 21.12c.

In which c is the cost of a single add.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.

For this problem, if more than 10 ads are posted, the cost C of each job is discounted by 12%, that is, it is of 88% of C. Hence, the algebraic expression for the cost of the 24 ads with the discount is:

C = 24 x 0.88 x c = 21.12c

In which c is the cost of a single add.

More can be learned about proportions at brainly.com/question/24372153

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iren2701 [21]

Answer:

Step-by-step explanation:

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Ryan’s answer:

I solved by adding the equations. The solution is .

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6x – 2y = 10 → 3x – y = 5

6x = 7

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7 – 2y = 10

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Jesse’s answer:

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3 years ago

A train from Portland, Oregon, to Los Angeles, California, travels at an average speed of 60 miles per hour and covers a distanc

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Answer:

The train need to leave Portland at 03:27 am

Step-by-step explanation:

step 1

Find out how long it takes the train to travel from Portland, Oregon, to Los Angeles, California

Remember that

The speed is equal to divide the distance by the time

so

The time is equal to divide the distance by the speed

Let

s ---> the speed in miles per hour

d ---> the distance in miles

t ---> the time in hours

$t=\frac{d}{s}$

we have

$d=963\ mi$

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substitute

$t=\frac{963}{60}=16.05\ hours$

step 2

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Remember that

$30\ minutes=0.50\ hours$

$16.05+0.50=16.55\ hours$

Convert to minutes

$16.55\ h=16.55(60)\ min=993\ min$

step 3

Remember that

$8 p.m=20:00\ hrs$

Convert to minutes

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Subtract 993 minutes from 1,200 minutes

$1,200-993=207\ min$

Convert to hours+minutes

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$00:00 + 03:27=03:27\ am$

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3 years ago

3. Determine the slope of the line that has the following coordinates: (-3, 6) (4,-2)

poizon [28]

Answer:

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Step-by-step explanation:

(-3, 6) & (4,-2)

To find the slope of the line, we use the slope formula: (y₂ - y₁) / (x₂ - x₁)

Plug in these values:

(-2 - 6) / (4 - (-3))

Simplify the parentheses.

= (-2 - 6) / (4 + 3)

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Simplify the fraction.

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This is your slope.

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