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3 years ago

An object is moving at a speed of 7300 inches every 3 seconds. Express this speed in miles per day.

Mathematics

2 answers:

Fiesta28 [93]3 years ago

5 0

Answer:

≈3318 miles per day....

Step-by-step explanation:

AleksAgata [21]3 years ago

4 0

Answer:

Since there are 60 seconds in one minute, we can write this as 146,000 inches per minute. Since there are 60 * 60 = 3600 minutes in one day, we can write it as 525,600,000 inches per day. Since there are about 63360 inches in one mile, the answer is about 8295 miles per day.

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Which number is greater than 5,043

Furkat [3]

I don't know if there was supposed to be an image or something attached, but anything greater than 5,043 would be represented in the inequality

$x > 5,043$ .

This includes every number greater than 5,043, including 5,044, 1,000,000, and everything in between and above.

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1 year ago

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aivan3 [116]

Answer:

lets start with the division

10/10

3+2 . 1 - 1

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Step-by-step explanation:

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2 years ago

5-(8v+5)= -4(1 + 3v)

Lilit [14]

5-(8v+5) = -4(1+3v)
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2 years ago

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kozerog [31]

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2 years ago

Joe can cut and split a cord of firewood in 3 fewer hours than Dwight can. When they work together, it takes them 2 hours. How

aalyn [17]

Answer:

Dwight will take 6 hours to finish the job alone and Joe will take 3 hours to finish the job alone.

Step-by-step explanation:

Let us assume the time taken by Dwight to split a cord of firewood = K hrs

So, the per hour rate of Dwight = $(\frac{1}{K})$

As, Joe uses 3 LESS hours then Dwight.

So, the time taken by Joe to split a cord of firewood = (K- 3) hrs

So, the per hour rate of Joe = $(\frac{1}{K-3})$

Now, when both of them wok together, it takes them 2 hours.

So, the per hour rate of BOTH of them = $(\frac{1}{2})$

⇒ Per hour rate of ( Dwight + Joe) = $(\frac{1}{2} )$

$\implies (\frac{1}{K}) + (\frac{1}{K-3}) = (\frac{1}{2})$

Now, solving for the value of K , we get:

$(\frac{1}{K}) + (\frac{1}{K-3}) = (\frac{1}{2})\\\implies \frac{(K-3) + K}{K (K-3)} = (\frac{1}{2})\\\implies 2(2K -3) = K^2 - 3K\\\implies k^2 - 3K -4K +6 = 0\\\implies K^2 - 7K + 6= 0\\\implies K^2 - 6K - K + 6= 0\\\implies K(K-6) -1(K - 6)= 0\\\implies (K-6)(K-1) = 0$

Implies either K = 6 Or K = 1

But if K = 1, (K-3) = 1- 3 = -2 hours would be A CONTRADICTION.

⇒ K = 6 hours

Hence, Dwight will take 6 hours to finish the job alone and Joe will take (k-3) = (6-3) = 3 hours to finish the job alone.

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2 years ago