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Alina [70]
4 years ago
8

A sofa regularly sells for 600. The sale price is 480.00. Find the percent decrease of the sale price from the regular price.

Mathematics
1 answer:
Lady_Fox [76]4 years ago
4 0

Answer:

-20%

Step-by-step explanation:

Regular price = $600

Current sale price = $480

To find the percentage decrease in this case, use percentage change formula;

Percentage change = \frac{Current price - Regular price}{Regular price}*100

Next, plug in the numbers into the formula ;

Percentage change = \frac{(480 -600)}{600}*100 \\ \\ =\frac{-120}{600} *100\\ \\ =-0.2*100\\ \\ =-20%

Therefore, the percentage decrease is -20%

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Whats 290 x 4000 pls help
tigry1 [53]

Answer: it’s 1160000

Step-by-step explanation: hope I helped:)

4 0
3 years ago
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I don’t know what to do on here it’s really hard and I need help for the answer
Alla [95]
Ok so our original fraction is:
\frac{36 {x}^{12} }{6 {x}^{9} }
To simplify this fraction, look for instances where the values on the top and bottom can be reduced:

For example, 36 over 6 is the same as 6 over 1, so we can simplify the fraction so it is:
\frac{6 {x}^{12} }{ {x}^{9} }
We can also eliminate the denominator by dividing the nominator by x^9 so:
\frac{6 {x}^{12} }{ {x}^{9} }  \div  \frac{ {x}^{9} }{ {x}^{9} }
= 6 {x}^{3}
And that is the simplified answer of the fraction

Hope this helped
5 0
3 years ago
Use the following function rule to find f(2).<br> f(x) = 10x<br> f(2)=
zalisa [80]
It would be 20, since you’re replacing the x value with 2. 10(2) is 20.
3 0
1 year ago
David is saving $250 to buy a bicycle. He saved $8 each week for 12 weeks. He wants to buy the bicycle in 7 more weeks. How much
ankoles [38]

Answer:

He would need to save $22 dollars each week to pay for the bike in 7 weeks.

Step-by-step explanation:

We can figure out how many he has saved up already by multiplying the number of weeks (12) by how much he saved each week ($8) which equals $96. Now we have to subtract $96 from $250 which equals $154. Now we need divide this amount by the remaining weeks until he wants to purchase his bike (7), so 154/7 which equals $22.

So he needs to pay 22 dollars each week to pay off the bike in seven weeks

7 0
3 years ago
The mean of x y and z is 20. find the mean of x-5 y+4 z-5
Dafna11 [192]

Answer:

18

Step-by-step explanation:

Sum of x, y and z = 20 × 3

                             = 60

x-5+y+4+z-5 = 60-5+4-5

                    = 54

Mean of x-5, y+4 and z-5

= 54 ÷ 3

= 18

7 0
2 years ago
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