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3 years ago

Can someone please help I don’t understand

Mathematics

1 answer:

bonufazy [111]3 years ago

7 0

Answer:

brubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubru

Step-by-step explanation:

it is brubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubrubru

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Find the equation of a parabola with a vertical axis and its vertex at the origin and passing through the point (-2, 3)

vredina [299]

a vertical axis, I assume it means a vertical axis of symmetry, thus it'd be a vertical parabola, like the one in the picture below.

$\bf ~~~~~~\textit{parabola vertex form} \\\\ \begin{array}{llll} y=a(x- h)^2+ k\qquad \qquad \leftarrow vertical\\\\ x=a(y- k)^2+ h \end{array} \qquad\qquad vertex~~(\stackrel{}{ h},\stackrel{}{ k}) \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \begin{cases} h=0\\ k=0 \end{cases}\implies y=a(x-0)^2+0 \\\\\\ \textit{we also know that } \begin{cases} x=-2\\ y=3 \end{cases}\implies 3=a(-2-0)^2+0\implies 3=4a \\\\\\ \cfrac{3}{4}=a~\hspace{10em}y=\cfrac{3}{4}(x-0)^2+0\implies \boxed{y=\cfrac{3}{4}x^2}$

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3 years ago

What’s A cylinder with a radius of 8yd and a 12 height of yd

steposvetlana [31]

Answer:

192π yd²

Step-by-step explanation:

Surface area of a cylinder = 2πrh

Given, r = 8yd , h = 12yd

S. A = 2 × π × 8 × 12

S. A = 192π yd²

I hope this was helpful, please mark as brainliest

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3 years ago

Jeff collected 100 baseball cards.

agasfer [191]

Answer:

33/100 =.33

Step-by-step explanation:

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3 years ago

Read 2 more answers

Solve for a a=.5×12ft (30ft+42ft)

Anastasy [175]

.5x12 (30+42)
v v
6 * 72= 432 ft

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4 years ago

Given the sequence: -1, 2, 5, 8 what is a(2)?

makvit [3.9K]

Answer:

Your just going to keep adding 3 and the 2 is there because you had negative -1 and then you added 3 so hope this helps probably not what you looking for but hope this helps. Have a good day.

Step-by-step explanation:

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3 years ago