The store has 28 notebooks in packs of 4 three packs of notebooks are sold how many packs of notebooks are left

Mathematics

1 answer:

denis23 [38]3 years ago

8 0

1

4 packs minus 3 packs equals 1. they threw how many was in each pack to get you off your game.

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It is given 5 and h + 1 are the roots of the quadratic equation x² + (k - 1)x - 5 = 0,where h and k are constant.Find the value

Liono4ka [1.6K]

Answer:

Hello,

Step-by-step explanation:

$5\ is\ a \ root \of \ x^2+(k-1)*x-5=0\\\\5^2+(k-1)*5-5=0\\\\5*(k-1)+20=0\\\\k-1=\dfrac{-20}{5} \\\\k=-4+1\\\\\boxed{k=-3}\\$

h+1 is thus a root of x²+(-3-1)*x-5=0

x²-4x-5=0

x²+x-5x-5=0

x(x+1)-5(x+1)=0

(x+1)(x-5)=0

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Step-by-step explanation:

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garik1379 [7]

P5

From Z tables and at P5 = 5% = 0.05, Z = -1.645
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Therefore,
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These values shows the percentages of amount of chips in the cookies. Thus, the more the percentage considered, the more the amount of chips in the cookies. This can be used to control the number of chips in cookies during production.

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grin007 [14]

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The difference would be 10

The other would be 12

Step-by-step explanation:

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3 years ago