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2 years ago

When the sum of a number, n, and 6 is divided by 4 the

Mathematics

1 answer:

vagabundo [1.1K]2 years ago

6 0

Answer:

n = 14

Step-by-step explanation:

(n + 6)4 = 5

1. multiply by 4

n + 6 = 20

2. substract 6

n = 14

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bagirrra123 [75]

Answer:49 sec

Step-by-step explanation:

Given

Maximum speed to reach is 183.58 mi/h

Length of course is 5 mi

acceleration rate is defined by 60mi/h in 4 sec

therefore acceleration(a) $=\frac{v-u}{t}$

$a=\frac{60\times 60\times 60}{4}$

$a=54\times 10^3 mi/h^2$

To reach a speed of 183.58mi/h with an acceleration of $54\times 10^3 mi/h^2$

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v=u+at

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t=0.00339 hours

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To complete course it takes

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or $t=48.98\approx 49 s$

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2 years ago

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rosijanka [135]

Answer:

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2 years ago

On a vacation in Puerto Rico rose jumped off a cliff into a river in El Yunque go forest reserve her height as a function of tim

gayaneshka [121]

Answer: t = 6 s

Step-by-step explanation:

When Rose hit the water, the height of the jump is 0, so: h(t) = 0.

Resolving it, we have:

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To simplify the second degree equation, divided it by 16:

-t² + t + 30 = 0

Now, solve the equation using Bhaskara:

Δ = 1² - 4. (-1) . 30

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t = $\frac{-1+\sqrt{121} }{-2}$

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Since time can be negative, it took t = 6s for Rose to hit the water.

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2 years ago

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Lina20 [59]

Answer:

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