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4 years ago

Is 15% off better than 10% and $8 off on a purchase?

1 answer:

3 0

I think if 10% and $8 off an item together would be good for an more expensive item life $ 20-50 I think 15% off would be better for an less expensive item like $1-10

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Two lines are perpendicular if they are para el and cross

eduard

Answer:

If they create a 90 degree angle then yes.

3 0

4 years ago

Monthly sales of a particular personal computer are expected to decline at the following rate of S'(t) computers per month, whe

Len [333]

Answer:

$S(t) = -18t^\frac{5}{3}+2440$

Company will take approximately 14 months

Step-by-step explanation:

Given function that shows the change rate of computers,

$S'(t)=-30 t^{\frac{2}{3}}$

Where,

t = number of months

On integrating,

$\int S'(t) = -30\int t^{\frac{2}{3}} dt$

$S(t) = -30(\frac{t^{\frac{2}{3}+1}}{\frac{2}{3}+1})+C$

$S(t) = -30 (\frac{t^{\frac{2+3}{3}}}{\frac{2+3}{3}})+C$

$S(t) = -30(\frac{t^\frac{5}{3}}{\frac{5}{3}})+C$

$S(t) = -30(\frac{3t^\frac{5}{3}}{5})+C$

$S(t) =-18t^\frac{5}{3}+C$

According to the question,

S(0) = 2,440,

$\implies -18(0)^\frac{5}{3}+C=2440\implies C = 2440$

Hence, the required function,

$S(t) = -18t^\frac{5}{3}+2440$

If S(t) = 1,000,

$-18t^\frac{5}{3}+2440=1000$

$-18t^\frac{5}{3}=-1440$

$t^\frac{5}{3}=80$

$t = (80)^\frac{3}{5}\approx 13.86$

6 0

3 years ago

3x cubed * y squared * 12x squared *y*z

Sonja [21]

3x³×y²×12x²×y×z=36x⁵×y³×z

7 0

3 years ago

a function can be classified as one-to-one correspondence, one-to-many correspondence and many-to-one correspondence.

r-ruslan [8.4K]

What in the world lol

3 0

3 years ago

The weather forecast states that the temperature will be lower than –5°F tonight. Let t represent the temperature in degrees Fah

Nadusha1986 [10]

I think it is a because it says the temperature is less than -5 degrees Fahrenheit
so you know the sign will have to be t<-5 degrees Fahrenheit now you are left with is t a positive or negative number a positive number would automatically be greater than -5 degrees Fahrenheit so there is no way it can be a positive number thus leaving you with one option.

Answer: a

7 0

4 years ago