3 years ago

HELP! WILL GIVE BRAINLIEST!

Mathematics

2 answers:

romanna [79]3 years ago

8 0

Answer:

I Know it is B trust me

Step-by-step explanation:

dem82 [27]3 years ago

4 0

Answer:

Step-by-step explanation:

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Is this relation a function?

Vilka [71]

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function I think this may help you

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3 years ago

Is 70 thousand in standard form or word?Explain..

CaHeK987 [17]

70 thousand is in word form

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A class is organizing a going away party for one of their students. They spend $26.38 on decorations, $78.92 on food, and $34.50

Serjik [45]

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$9.35

Step-by-step explanation:

Simply start by adding up the total cost of each item.

$26.38 + $78.92 + $34.50

= $140.25

The total is $140.25

If 15 students want to split the cost, you’ll need to divide it by 15.

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So the total for each student is $9.35

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Step-by-step explanation:

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3 years ago

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

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