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lana66690 [7]
3 years ago
5

a jacket that originally costs 60.00 was on sale for 10% off. When it didn't sell after weeks, the sale price was discounted ano

ther 40% off the discounted price. What was the final price of the jacket? Is the total discount equal to 50%?
Mathematics
2 answers:
finlep [7]3 years ago
7 0
10% of 60 is 6.

60 - 6 = $54 at a discount of 10%.

This price is discounted by 40%.

40% of 54 is $21.60.

The final price is $21.60 It's not equal to a 50% discount because half of 60 is 30, making the final price $30.

Hope this helps!

Hatshy [7]3 years ago
7 0

Answer:

original cost = 60.00

after 10% discount the price becomes :

60 * 10/100

6

price = 60 - 6  = 54.00

after 40% discount on discounted price:

54 * 40/100

21.6

new price = 54 - 21.6 = 32.4

final price of jacket = 32.4

since 50% of the original price will be 30.00

so, the total discount is not equal to 50% of the original cost

Step-by-step explanation:


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If a chair costs 734 dollars and I give it to my friend for 823 dollars how much is my profit as a percentage
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Answer:

X=12.125\%

Step-by-step explanation:

From the question we are told that:

Cost Price CP=734

Sale Price SP=823

Generally the equation for Profit  P is mathematically given by

 Profit=SP-CP

 P=823-734

 P=89

Therefore as a percentage

Percentage Profit X is given as

 X=\frac{89}{734}*100

X=12.125\%

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Olivia read a book. She started on page 20 and each minute she read 3 minutes. Let g(n) be the page Olivia was on at the beginni
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If you mean each minute she read 3 pages.



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Simple just do 20 x 9.

First step - what’s 2 x 9...18. Now anytime there’s a zero just simplify it by putting the 0 at the end of your answer. So the answer would be 180.

I hope this helped!!!
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24×(23-7)+7×10=454u²
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5. Find the discriminant of 15x2 = 4x – 1 and describe
diamong [38]

Answer:

a) The discriminant of the equation =  - 44

b)The nature of the roots will be imaginary.

c) x = \frac{2 +\sqrt{11} i}{15}  or, x = \frac{2 - \sqrt{11} i}{15}

Step-by-step explanation:

Here, the given expression is 15x^{2}  = 4x -1

or, 15x^{2}  -  4x + 1   = 0

Now the discriminant (D) of a quadratic equation ax^{2}  +b x + c   = 0

D = b^{2}   -  4ac  = (-4)^{2}  -  4(15) (1)  = 16 - (60) = -44

Hence, the discriminant of the equation =  - 44

As D< 0, so the roots will be imaginary.

Now,by quadratic formula : x = \frac{-b \pm \sqrt{b^{2}  - 4ac} }{2a}

So, here x = \frac{-(-4) \pm \sqrt{D} }{2a}  = \frac{4 \pm \sqrt{(-44 )} }{30}

So, either x = \frac{4 + \sqrt{(-44 )} }{30} or, x =  \frac{4 - \sqrt{(-44 )} }{30}

or, x = \frac{2 +\sqrt{11} i}{15}  or, x = \frac{2 - \sqrt{11} i}{15}

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