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nata0808 [166]
3 years ago
9

How do you do this??

Mathematics
1 answer:
astra-53 [7]3 years ago
6 0

welll...you have there written just one relationship...it is berween 280 and 4 hours...you have to figure out speed:

280 \div 4 = 70

it is speed per hour

then you just connect time and speed:

  1. 140 - 2
  2. 280 - 4
  3. 350 - 5
  4. 420 - 6
  5. 560 - 8
  6. 700 - 10
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Answer:

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Find the axis of symmetry of 2x^2 + 12x + 16 Show your work
raketka [301]

The vertex form:

y=a(x-h)^2+k\\\\(h,\ k)-vertex

The axis of symetry is x = h.

y=ax^2+bx+c\to h=\dfrac{-b}{2a}

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An ellipse has a center at the origin, a vertex along the major axis at (0, 17), and a focus at (0, −8). Which equation represen
Marianna [84]
We know that
<span>Since the focus and vertex are above and below each other, rather than side by side, I know that this ellipse must be taller than it is wide.
</span>Then 
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</span>Also, since the focus is 8 <span>units below the center, then </span><span>c = 8
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the equation is
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the answer is
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3 years ago
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mixer [17]
If there are 4 trucks then the first truck weighs x
then x+2tons
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truck 3= 9tons or 18,000lbs
<span>truck 4= 11tons or 22,000lbs</span>
6 0
3 years ago
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