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Andreyy89
4 years ago
7

A pair of Shoes are 40% off, regular price is n dollars, what’s the algebraic expression of the sale price

Mathematics
1 answer:
vlabodo [156]4 years ago
5 0

Answer:

.6n

Step-by-step explanation:

If we get 40 % off, we still have to pay 100-40 or 60%

The original price is n

We pay 60% of n

60%*n

.60*n

.6n

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I NEED HELP WITH A MATH QUESTION PLEASE???!
taurus [48]
Part A
Chorus:
Expontential growth = b*a^x 
b = 15
a = 1.12              (a= r+1), r = 12%

Which gives a function of f(x) = 15*1.12^x 


Band
Linear growth = ax+b
a = 2
b = 30

Which gives a function of g(x)=2x+30

Part B:
f(9) = 15*1.12^9 = 41.59
g(9) = 2*9+30 = 48

Part C:
This is probably problem solving, where you're allowed to use calculators and other softwares.

Therefore you can use different softwares, and make f(x) = g(x).
I did this, and got it to 10.95427141



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3 years ago
Determine the discriminant for the given equation x^2+4x+5=0. Then describe the roots(how many and what type).
Fed [463]

Discriminant = b^2 - 4ac, where a, b and c come from the form of the quadratic equation as ax^2 + bx + c

Discriminant = (4)^2 - 4(1)(5)
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-4 < 0, therefor there are no roots

(If the discriminant = 0, then there is one root
If the discriminant > 0, there are two roots, and if it is a perfect square (eg. 4, 9, 16, etc.) then there are two rational roots
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4 years ago
What is 8,01.47 in word form?
gregori [183]
Eight hundred and one point forty seven. Hope this helps!;)
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4 years ago
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The term "jet stream" is often used by weather forecasters to describe
Masteriza [31]

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Step-by-step explanation:

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3 years ago
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Gennadij [26K]

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(an image below is attached if you want to see a visualization)
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