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VARVARA [1.3K]
3 years ago
5

What is the sale price of an item that was originally $42 with a 15% discount?

Mathematics
1 answer:
Allushta [10]3 years ago
6 0

Answer:

Discount:

$6.30

Final Price:

$35.70

Step-by-step explanation:

Discount = Original Price x Discount %/100

Discount = 42 × 15/100

Discount = 42 x 0.15

You save = $6.30

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An airplane takes 4 hours to travel a distance of 2600 miles with the wind. The return trip takes 5 hours against the wind. Find
tankabanditka [31]
2,600/4 =650
650•5 =3,250


I found the unit rate of the 2,600 by dividing the per hour and then times it by the 5 hours

Hopefully that was what you were looking for
3 0
3 years ago
Please help with this question!
Basile [38]
The correct answer choice is A. I think!
3 0
3 years ago
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Use algebra to solve 3x + 4 = 1/x . The exact solutions are x =
Svetach [21]

Answer:

3x^2+4x=1

x(3x+4)=1

So, there is two x answers

1)x=1

2)3x+4=1 => x= -1

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4 0
4 years ago
A parabola has a vertex at (-3,2). Where is the axis of symmetry?
vladimir1956 [14]

Answer:

x=-3

Step-by-step explanation:

If a parabola has a vertex at (h,k), the axis of symmetry is at the point, x=h.

That is, <u>the x-coordinate of the vertex of the given parabola is the axis of symmetry.</u>

Therefore, for a parabola with vertex (-3,2), the axis of symmetry is at x=-3

3 0
3 years ago
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A city currently has 60 family-owned restaurants. In the future, it is estimated that the number of those restaurants will decli
zheka24 [161]

The correct answer is D. 6

Explanation:

To know precisely how the number of restaurants in the city decreases over time, it is necessary to determine the 18% of the total of restaurants each year and to subtract this number. The process year per year is shown below:

First-year- 60 restaurants- Find the percentage by writing the known value and using cross multiplication

60 = 100 %

x = 18%

x 100 = 60 x  18

x = \frac{1080}{100}

x = 10.8   Number of restaurants that were closed

60-10.8 = 49.2 New total

Second-year - 49.2 restaurants- Repeat te process

x = \frac{49.2x 18}{100} Shortened version of the equation. Total of restaurants, multiplied by percentage and divided into 100 (total percentage)

x = 8.8

49.2 - 8.8 = 40.4 New total

Third-year- 40.4 restaurants

x = \frac{40.4 x 18}{100}

x = 7.2

40.4-7.2 = 33.2  New total

Fourth-year- 33.2 restaurants

x = \frac{33.2x 18}{100}

x  = 6.3

33.2- 6.3= 26.9 New total

Fifth-year- 26.9 restaurants

x = \frac{26.9 x 18}{100}

x = 4.8

26.9-4.8 = 22.1 New total

Sixth-year- 22.1 restaurants

x = \frac{22.1x 18}{100}

x= 3.96

22.1-3.9 = 18.1

According to this at this rate, it will take at least 6 years for the number of restaurants to be below 20.

4 0
4 years ago
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