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pshichka [43]
2 years ago
14

Charlene's dress cost $270. Three days later, it went on sale for 35% off. How much could she have saved if she waited three day

s? O $35​
Mathematics
2 answers:
Vladimir [108]2 years ago
7 0

Answer:

94.5

Step-by-step explanation:

to find the answer multiply 270 by 0.35 to get 35% of 270 which equals 94.5

olasank [31]2 years ago
6 0

Answer:

$94.5

Step-by-step explanation:

35% of 270 is 94.5 and it's on sale for 35% off so she would have saved $94.5

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7 0
3 years ago
Determine how many zeros, how many real or complex, and find the roots for f(x) = x3 − 5x2 − 25x + 125.
miskamm [114]
We can write this as:-

P(x) = + x^3 - 5x^2 - 25x + 125
There are 2 changes of real sign so by Descartes Rule of  signs there are either 2  positive real roots or 0 positive roots.

P(-x)  = - x^3 - 5x^2 + 25x + 125 
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125 is a multiple of 5 so By rational root theorem  5 could be  a positive root.

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if we divide   the polynomial by (x - 5) we get the quadratic
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x = 5,-5

so the roots are 5 (multiplicity 2)  and -5.
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