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3 years ago

Mardinah bought a mobile phone at a discount of 13%.The usual price of the mobile phone was $640.How much was the discount?

Mathematics

2 answers:

castortr0y [4]3 years ago

8 0

Answer:

Original price (100%) = $640

Discount (13% of the original price) = $640 × $\frac{13}{100}$

= $83.20

lesya [120]3 years ago

7 0

Answer:

Here's the answer :-

Step-by-step explanation:

Original Price - $640

Discount - 13℅

Total = $556

Discount = $83.20

Hope it helps

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3 years ago

Read 2 more answers

Given the function f(x)=-5x^2-2x+20 find f(3)

Deffense [45]

$f(x)=-5x^2-2x+20\\\\f(3)\to\text{put x=3 to the equation of the function f}\\\\f(3)=-5(3^2)-2(3)+20=-5(9)-6+20=-45-6+20=-31\\\\Answer:\ f(3)=-31$

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Need help please walk me through it

lions [1.4K]

The sum of the angles in a triangle is 180. Let x be one acute angle and y be the other. We know one is 5 times larger so let’s say 5x = y. Now,
x + y + 90 = 180
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