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Evgesh-ka [11]
3 years ago
14

Please help please help please help please help please help please help please help please help

Mathematics
2 answers:
Veseljchak [2.6K]3 years ago
4 0

Answer:

f(4) = -18

Step-by-step explanation:

f(x) = -5x + 2

f(4) = -5(4) + 2 = -20 + 2 = -18

tino4ka555 [31]3 years ago
4 0

Answer:

f(4) = -18

Step-by-step explanation:

I hope this helps(✿◡‿◡)

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Find the equation of the sphere in standard form centered at (−6,10,5) with radius 5.
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Answer:

The equation of the sphere in standard form is

x^{2} +y^{2}+z^{2} +12 x-20 y-10 z+136=0

Step-by-step explanation:

<u>Step 1</u>:-

The equation of the sphere having center and radius is

(x-h)^{2} +(y-k)^{2} +(z-l)^{2} = r^{2}

Given centered of the sphere is (-6,10,5) and radius r=5

(x-(-6))^{2} +(y-10)^{2} +(z-5)^{2} = 5^{2}

on simplification,we get

using (a+b)^{2} =a^{2} +2 a b+b^{2}

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3 years ago
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42 I 3,452

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A taxi charges $20 flat fee for the first 5 miles (even if it takes the rider one mile the cost is $20) and after that the addit
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Ok so, we have the fact that 1.20 per mile Lets represent m as each additional mile so we have 1.20m which is That much per additional mile So For the first 5 functions we have f(1) = 20 f(2) = 20 f(3) = 20 f(4) = 20 f(5) = 20 Only for the first 5 miles though, since it is a flat fee. So for the additional miles we go back to what I said in the first Paragraph. 1.20m That is for additional miles, so that will be added to 20 So if you travel more than 5 miles the function looks like this: f(x) = 20 + 1.20m So the first 5 miles it is: f(x) = 20 For 7 mles the function would look like: f(7) = 20 + 1.20(2) It is a 2 because it is the additional mile, which is 2  hope this helps
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Answer:

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