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2 years ago

7

Consider the expression

1 answer:

lakkis [162]2 years ago

6 0

Answer:

122+6-(122*3)= -238

-26+6-(3*-26)= 58

-25+6-(-25*3)= 56

12+6-(3*12)= -8

46+6-(3*46)= -86

Step-by-step explanation:

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Find the vertex, focus, and directrix. y = 1/24(x+1)² - 3.

Vedmedyk [2.9K]

$y = \frac{1}{24}(x+1)^2 - 3\\\\y+3 =\frac{1}{24}(x+1)^2\ \ / *24\\\\ (x+1)^2 = 24(y+3)$

This is an equation of a parabola that opens upwards.

$Its \ standard \ form: \\(x-h)^2=4p(y-k)\\ (h,k)=(x,y) \ coordinates \ of \ the \ vertex\\\ (h,k)=(-1,-3) \\\\axis \ of \ symmetry: \ x= -1\\ \\4p=24\ \ /:4\\p=6$

$focus:(h,k+p)=(-1,-3+6)=(-1,3) \\ \\directrix: \ y=k-p=-3-6=-9$

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3 years ago

Read 2 more answers

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Pani-rosa [81]

1. 30x-2=1x+1
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3 years ago

Tammy Ray purchases 20 file cabinets for $986.99. What is<br> the price per cabinet?

RSB [31]

Answer:

<h2><u>49.34</u></h2>

Step-by-step explanation:

986.99/20=49.3485

Divide 986.99 by 20 which gets you 49.3485 then just around up the 10.

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2 years ago

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Anna11 [10]

Answer:

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Step-by-step explanation:

1.80 / .09 (9% in decimal form)

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Be ready to discuss your answer.

Y_Kistochka [10]

Answer:

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2 years ago