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OLga [1]
2 years ago
7

Which expression is an equivalent expression for 2(6y – 4)?

Mathematics
1 answer:
andreev551 [17]2 years ago
4 0

Answer:

B. 12y-8

Step-by-step explanation:

by multiplying the 2 through the equation

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Divide (3+2i)/(-4+5i). express answer in standard form
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3 years ago
Help pls, math due tonight :(
Olenka [21]

9514 1404 393

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  • 40 ft
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Step-by-step explanation:

A graphing calculator answers these questions easily.

The ball achieves a maximum height of 40 ft, 1 second after it is thrown.

__

The equation is usefully put into vertex form, as the vertex is the answer to the questions asked.

  h(t) = -16(t^2 -2t) +24

  h(t) = -16(t^2 -2t +1) +24 +16 . . . . . . complete the square

  h(t) = -16(t -1)^2 +40 . . . . . . . . . vertex form

Compare this to the vertex form:

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We see the vertex of our height equation is ...

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The ball reaches a maximum height of 40 feet at t = 1 second after it is thrown.

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