2 years ago

Which expression represents the product of two factors: 7p and 9?

Mathematics

1 answer:

Alinara [238K]2 years ago

8 0

Answer:

9(7p) is the expression.

Step-by-step explanation:

Let's multiply 7p and 9 to get product,

→ 7p × 9

→ 9(7p)

So, the product is 9(7p).

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Source:
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The distance from the ground of a person riding on a Ferris wheel can be modeled by the equation d equals 20 times the sine of t

kodGreya [7K]

We have the function d, representing the distance from the ground of a person riding on a Ferris wheel:

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This position, for t = 0, will be the same position as when the argument of the sine function is equal to 2π, which is equivalent to one cycle of the wheel. Then, we can find the value of t:

$\begin{gathered} \sin (\frac{\pi}{30}t)=\sin (2\pi) \\ \frac{\pi}{30}\cdot t=2\pi \\ t=2\pi\cdot\frac{30}{\pi} \\ t=60 \end{gathered}$

Then, the wheel will repeat its position after t = 60 seconds.

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