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Amanda [17]
4 years ago
5

At a sale this week, a sofa is being sold for $584 . this is a 27% discount from the original price. what is the original price?

Mathematics
1 answer:
Effectus [21]4 years ago
3 0
The original price should be 800$. Tell me if you need the calculations
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14. The area of a rectangle is 375 square inches and it’s perimeter is 80 inches. Find both the length and width.
Pavel [41]

Answer:

Length  =25 inches

Width = 15 inches

Step-by-step explanation:

Let l = length of rectangle, w = width of rectangle

Given the area and the perimeter of the rectangle, we can write:

lw = 375

2l+2w=80

So:

l+w = 80\div2

=40

l=40-w

Now, we can use substitution to find the value of w:

lw = 375

(40-w)w = 375

40w-w^2 = 375

375+w^2-40w = 0 (Quadratic equation)

(w-15)(w-25) = 0

∴ w = 15, 25

We can use substitution again to find the value of l

lw = 375

l=375\div w

=25,15

∵ Length usually refers to the longer side of a rectangle, ∴ length =25 inches and width =15 inches.

Hope this helps :)

8 0
3 years ago
How many cents are in $1
galben [10]

Answer:

100

Step-by-step explanation:

There are 100 cents in one dollar

3 0
3 years ago
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Does anyone know how to unit rate?
Westkost [7]

Answer:17.91 calories per minute

Step-by-step explanation:

412 calories burned

23 minutes of riding

412/23 = 17.91 calories per minute

3 0
3 years ago
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I will give brainiest to whoever answers correctly !!
Deffense [45]

Answer:

times by 0.719

Step-by-step explanation:

8 0
3 years ago
A little while ago, a dolphin was swimming below sea level at -7 meters. Now the dolphin is jumping at 0.5 meters. What does thi
zimovet [89]

This means that the dolphin ascended 7.5 meters in total.

The sea level is 0.

We know that to start off with, the dolphin was seven meters under the sea level.

We also know that the dolphin jumped .5 meters above the sea level.

This is a matter of absolute value; we are looking to find total distance, not actual height (which we already know, .5). Therefore, we ignore the negative sign and instead regard how many places each measurement is away from zero, which is another way of saying absolute value.

Take a look at x.

| x |

The lines surronding x represent absolute value. With that in mind, I can show you the process:

| -7 | + | .5 | = 7.5

is the same as saying 7 + .5 = 7.5

<em>Let me know if you have any questions, or if this helped you!</em>

8 0
4 years ago
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