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nordsb [41]
3 years ago
15

alexandra has a discount card that reduces the price of her grocery bill in a certain grocery store by 5% if c represents the co

st of alexandra grocery bill
Mathematics
1 answer:
BaLLatris [955]3 years ago
6 0
I think the rest of the question is ( what is the price after the discount) 
the new price will be =  ( c - 0.05 *c ) 
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What is the completely factored form of x4 8x2 – 9?
Alinara [238K]

For this case we have the following polynomial:

x ^ 4 + 8x ^ 2 - 9

We make the following change of variables:

u = x ^ 2

Rewriting we have

u ^ 2 + 8u - 9

Factoring the second order polynomial we have:

(u + 9) (u-1)

Then, returning the change we have:

(x ^ 2 + 9) (x ^ 2-1)

Finally, we factor the expression in the parentheses of the second term:

(x ^ 2 + 9) (x + 1) (x-1)

Answer:

the completely factored form is:

(x ^ 2 + 9) (x + 1) (x-1)

7 0
3 years ago
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Simplify please <br> (n^11)^2
Citrus2011 [14]

Answer:

n^22 (I love your profile picture by the way)

Step-by-step explanation:

3 0
3 years ago
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Please help me with this
Lisa [10]
100%-26%
426000*(1-0.26)^t, yearly
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 Equation for calculation population
426000*(0.74^0.083)^12t

I think it should look like this 0.74^0.083 monthly rate of decrease
5 0
4 years ago
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Need help loveliesss
tiny-mole [99]

P=44.6

P=a+b+√a^2+b^2=11+15+√11^2+15^2≈44.6

3 0
3 years ago
A figure has the following coordinates x (0,1).Y (4,6) z (-5,-1). If the figure is translates 4 units left and 3 units up, what
iVinArrow [24]

Answer:

z' (-9,2)

Step-by-step explanation:

I recomend using desmos to show the relashinship

If you don't want to, thwn do this

Preimage(0-4,1+3),(4-4,6+3),(-5-4,-1+3)

Since we are finding z, we only use the final cordinates

z'=(-9,2)

8 0
2 years ago
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