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2 years ago

Alexandra paid $7 to park her car for 3 hours at the parking garage. The garage charges a constant hourly parking rate.

Mathematics

2 answers:

shepuryov [24]2 years ago

5 0

$7 was paid to park the car for 3 hours.

3 hours cost $7 to park

1 hour = $ (7/3)

So every 1 hour cost $(7/3)

Therefore cost in dollars, c = (7/3)*p

Therefore c = (7/3)p, where c is the cost in dollars of parking and p is the number of hours.

Stella [2.4K]2 years ago

5 0

Answer:

c=7/3p

Step-by-step explanation:

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A rug is to be centered in a room so that the border around it is of a consistent width on all four sides. If the room is 10 ft

aleksley [76]

Answer:

The width of the border can be 9 feet or 3.5 feet.

Step-by-step explanation:

Let the width be x

Length of room = 10 feet

Breadth of room = 15 feet

Length of rug = 10-2x

Breadth of rug = 15-2x

Area of rug = $(10-2x)(15-2x)$

We are given that the area of the rug is 24 square feet.

So, $(10-2x)(15-2x)=24$ ---A

$150-20x-30x+4x^2=24$

$150-24-50x+4x^2=0$

$126-50x+4x^2=0$

$2(x-9)(2x-7)=0$

$x=9,\frac{7}{2}$

$x=9,3.5$

Substitute x =9 in A

$(10-2(9))(15-2(9))=24$

$24=24$

LHS = RHS

Substitute x = 3.5

$(10-2(3.5))(15-2(3.5))=24$

$24=24$

LHS = RHS

So, The width of the border can be 9 feet or 3.5 feet.

7 0

3 years ago

Randy coffee shop sells a refill mug for $8.95. Each refill costs $1.50. Last month Sean spent $26.95 on a mug and refills. How

Ratling [72]

Answer:

The answer is 12

Step-by-step explanation:

Step 1: $26.95 - $8.95 (which equals $18.00)

Step 2: 18 divided by 1.50 (which equals 12)

5 0

3 years ago

HELP ASAP WILL GIVE BRAINLIEST PLEASE

Vlad1618 [11]

Answer is B Mr James

Lets convert all the fractions, percentages to decimals:_

Mr James: 5/8 = 0.625

Miss Smith: 0.61

Mrs Lawson: 9/16 = 0.5625

Mr Tosh: 0.58

Mrs Cagle 0.53

So Mr James corrected the most homework.

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3 years ago

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A newspaper’s cover page is 3/8 text, and photographs fill the rest. If 2/5 of the text is an article about endangered species,

jolli1 [7]

Answer:

$\frac{3}{20}$

Step-by-step explanation:

Let x be the cover page

We are given that a newspaper 's cover page is $\frac{3}{8}$ text and photograph fill the rest.

We have to find that how much part of cover's page is the article about endangered species

Text = $\frac{3}{8}x$

Remaining part = $x-\frac{3}{8} x$

Remaining part = $\frac{8x-3x}{8}=\frac{5}{8} x$

Therefore, a newspaper;s cover page fill with Photograph = $\frac{5}{8}$

If the article about endangered species= $\frac{2}{5}$ of text

Therefore, the article about endangered species= $\frac{2}{5}\times\frac{3x}{8}=\frac{3}{20}x$

Hence, the article about endangered species is $\frac{3}{20}$ of the cover page.

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3 years ago

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