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telo118 [61]
3 years ago
6

HELP HAVE BEEN WORKING ON THIS FOR 10 HOURS!!!!!!!! Please SHOW WORK NO LINKS AND PROPER ANSWER PLEASE!!!!!!

Mathematics
1 answer:
Dvinal [7]3 years ago
7 0
I believe 110 not sure though
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How much would a 2 ton truck weigh on the moon? divide by 6
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Answer:

3

Step-by-step explanation:

how much would a 2 ton truck weigh on the moon? divide by 6 because 2x3=6 and the moon has low gravity so its is diffrent from earths gravity

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ritas total bill at a restaurant was 25.00 including tax. if she left a tip of 20% of the total bill, what was the amount of the
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1 year ago
The equation of a parabola is given.y=1/8x^2+4x+20 What are the coordinates of the focus of the parabola?
Lena [83]
He equation of a parabola is x = -4(y-1)^2. What is the equation of the directrix? 
<span>You may write the equation as </span>
<span>(y-1)^2 = (1) (x+4) </span>
<span>(y-k)^2 = 4p(x-h), where (h,k) is the vertex </span>
<span>4p=1 </span>
<span>p=1/4 </span>
<span>k=1 </span>
<span>h=-4 </span>

<span>The directrix is a vertical line x= h-p </span>
<span>x = -4-1/4 </span>
<span>x=-17/4 </span>

<span>------------------------------- </span>
<span>What is the focal length of the parabola with equation y - 4 = 1/8x^2 </span>
<span>(x-0)^2 = 8(y-4) </span>
<span>The vertex is (0,4) </span>
<span>4p=8 </span>
<span>p=2 (focal length) -- distance between vertex and the focus </span>
<span>------------------------------- </span>
<span>(y-0)^2 = (4/3) (x-7) </span>
<span>vertex = (7,0) </span>
<span>4p=4/3 </span>
<span>p=1/3 </span>
<span>focus : (h+p,k) </span>
<span>(7+1/3, 0)</span>
8 0
3 years ago
Read 2 more answers
Show work
Maru [420]
Area of circle = πr²
Area of circle = π x 12 x 12 
Area of circle = 452.4cm² (nearest tenth)
7 0
3 years ago
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