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Lady_Fox [76]
2 years ago
9

If a price decreases by 20% I can calculate 20% of the price and subtract it from the original price or I can calculate it in on

e step and find blank percent of the original price
Mathematics
1 answer:
Irina-Kira [14]2 years ago
6 0

Answer:

both statements are fine

Step-by-step explanation:

To find the price of a product after decreasing it, they can be done in the two ways that the statement tells us,

First, calculate that% that was decreased and then subtract it from the original price or simply multiply that original price by the percentage in which the new price would remain.

For example:

let "x" be the original price

in the first case it would be:

0.2 * x and then subtract from x, i.e .:

x - 0.2 * x

in the second case it is:

1 - 0.2 = 0.8

that is, the new price would be 0.8 * x

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4 (×+3)<44. Solve each inequality
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A rectangular prism with a square base has a volume of 120 cubic feet. The base is 8 feet on each side. What is the height of th
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15feet

Step-by-step explanation: 120/8=15

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3 years ago
What is the length of x
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Immediate math help from PAID TUTORS. (paid link)Click here to see ALL problems on Triangles
  Question 118094: Find the length x in the triangle. Side 1=8. Side 2=x. Side 3=12 (Scroll Down for Answer!)Did you know that Algebra.Com has hundreds of free volunteer tutors who help people with math homework? Anyone can ask a math question, and most questions get answers!Check it Out!OR get immediate PAID help on:
Type Your Question Go!!! Answer by jim_thompson5910(34119) About Me  (Show Source):You can put this solution on YOUR website!I'm assuming that the triangle is a right triangle and that side 3 is the hypotenuse. 

We basically have this triangle set up: 
 Since we can see that the triangle has legs of 8 and x with a hypotenuse of 12, we can use Pythagoreans theorem to find the unknown side. 

Pythagoreans theorem: 
a%5E2%2Bb%5E2=c%5E2 where a and b are the legs of the triangle and c is the hypotenuse 


8%5E2%2Bx%5E2=12%5E2 Plug in a=8, b=x, and c=12. Now lets solve for x 

6+4+%2B++x++%5E+2+=+1+4+4 Square each individual term 
 


+x++%5E+2+=+1+4+4+-+6+4 Subtract 64 from both sides 

+x++%5E+2+=+8+0 Combine like terms 

s+q+r+t+%28++x++%5E+2+%29+=+s+q+r+t+%28+8+0+%29 Take the square root of both sides 

x=4%2Asqrt%285%29 Simplify the square root 

Which approximates to... x+=+8+.+9+4+4+2+7+1+9+0+9+9+9+9+1+6 
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3 0
3 years ago
Juan had $24400 and chose to split the money into two different mutual funds. During the first year, Fund A earned 4% interest a
Sidana [21]

Answer: Juan invested $14,900  in Fund A and $9,500 in Fund B.

Step-by-step explanation:

Let x= Amount invested in Fund A .

Since , total amount invested = $24400

Then,  Amount invested in Fund B = 24400-x

Fund A earned 4% interest and Fund B earned 6% interest.

Interest earned by Fund A= 4% of x = 0.04 x

Interest earned by Fund B= 6% of x = 0.06 ( 24400-x)

= 0.06(24400)-0.06x

= 1464-0.06x

Total interest = 0.04x+1464-0.06x= 1464-0.02x

If he received a total of $1166 in interest, then

1464-0.02x =1166\\\\\Rightarrow\ 0.02x=1464-1166\\\\\Rightarrow\ 0.02x=298\\\\\Rightarrow\ x=\dfrac{298}{0.02}=14900

So, Amount invested in Fund A = $14900

Amount invested in Fund B = $( 24400-14900  ) = $9500

Hence, Juan invested $14,900  in Fund A and $9,500 in Fund B.

5 0
2 years ago
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