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IgorC [24]
2 years ago
5

Which expression is equivalent to – 8( – 5k+4)+6k

Mathematics
2 answers:
Viktor [21]2 years ago
8 0

Answer:

  • 46k - 32

Step-by-step explanation:

  • –8(–5k + 4) + 6k
  • => (40k - 32) + 6k
  • => 40k - 32 + 6k
  • => 46k - 32

Hence, the expression is 46k - 32.

poizon [28]2 years ago
3 0

Hi!

First, let's distribute -8:

-8(-5k+4)+6k

\rm{40k-32+6k

Combine Like Terms:

\rm{46k-32 (Answer)

Hope it helps!

~Misty~

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Answer:

<u></u>

  • <u>53 seconds.</u>

Explanation:

The text and the model are garbled.

This is the question amended:

<em />

<em>Hyun Woo is riding a ferris wheel. H(t) models his height (in m) above the ground, t seconds after the ride starts. Here, t is entered in radians.</em>

<em>H(t) = -10 cos(2π/150 t)+10</em>

<em />

<em>When does Hyun Woo first reach a height of 16 m?</em>

<em />

<h2>Solution</h2>

<em />

When <em>Hyun Woo reaches a height of 16 m</em> the <em>model </em>states:

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<em />

Then you must find the lowest positive value of t that is a solution of the equation.

Solve the equation:

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