3 years ago

Urgent please help!!

Mathematics

1 answer:

LuckyWell [14K]3 years ago

6 0

Answer:

The equation is 0.5x - 5= y

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A horseback rider travels 2 miles in 12 minutes. At this speed, how long does it take to travel 5 miles?

Aloiza [94]

Answer:

30 minutes

Step-by-step explanation:

We can use ratios to solve

2 miles 5 miles

------------ = -------------

12 minutes x minutes

Using cross products

2 *x = 12*5

2x = 60

Divide by 2

2x/2 = 60/2

x = 30 minutes

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Tatiana [17]

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2) 3=r+17<br> pls solve for r

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Answer:

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Step-by-step explanation:

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3 years ago

You roll a number cube and flip a coin. Find the probability of rolling a 3 and flipping tails.

OleMash [197]

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Step-by-step explanation:

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Find a particular solution to y" - y' + 9y = 3 sin 3x

Dima020 [189]

Answer:

cos3x

Step-by-step explanation:

y" - y' + 9y = 3 sin 3x

$D^{2}y-Dy+9y=3 sin3x$

$y=\frac{3 sin 3x}{(D^{2} -D+9}=3 sin 3x$

here $D^2$ will be replaced by $\alpha^2$ where $\alpha$ is coefficient of x

$y=\frac{3 sin 3x}{-3^{2} -D+9}$

$y=-3\frac{sin 3x}{D}$

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$y=-3\frac{cos3x}{-3}$

y=cos3x

hence Particular solution is cos3x

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4 years ago