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3 years ago

If 15 times a number to equal 647

1 answer:

3 0

I'm assuming, from what you've given me that the question is asking to do this.

15n=647
647 divided by 15 equals 43.13...repeated
Let me know if this is what you are looking for.

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Little Johnny is fleeing from a horde of zombies. He is 4000 feet from a safe zone where a gate will be closed in 3 minutes. If

Free_Kalibri [48]

Answer:

Johnny will be able to reach the safe zone before the gate is closed.

Step-by-step explanation:

Given that:

Distance of Little Johnny from safe zone = 4000 feet

Time = 3 minutes

Speed = 22 mph

To find:

Will Johnny be able to reach the safe zone ?

Solution:

Johnny can only be safe if he can travel 4000 feet in 3 minutes with the given speed.

Let us try to find out, the distance that he can travel in 3 minutes at speed of 22 mph.

Let us have a look at the formula of distance traveled:

$Distance = Speed \times Time$

Time = 3 minutes = $\frac{3}{60}$ hrs

Speed = 22 mph

$Distance = 22 \times \frac{3}{60}\\\Rightarrow Distance = \dfrac{22}{20}\ miles \\\Rightarrow Distance = 1.1\ miles$

We know that 1 mile = 5280 feet

Therefore 1.1 miles = 5280 $\times$ 1.1 feet = 5808 feet

Distance traveled by Little Johnny is greater than 4000 feet.

Therefore Johnny will be able to reach the safe zone before the gate is closed.

8 0

3 years ago

Choose the true statement. <br> A) -2/3 < -3/4<br> B) -2/3 > -3/4<br> C) -2/3 = -3/4

Elenna [48]

The answer is B because -2/3 is closer to 0, making it greater

4 0

3 years ago

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What type of reaction is depicted by this equation? 2C4H10(g) + 13O¿(g) d 8CO¿(g) + 10H¿O(g)

laiz [17]

I believe it's a Combustion.

7 0

3 years ago

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25 liters of water are pumped into a dam in 20 seconds

elena-14-01-66 [18.8K]

1 minute = 60 seconds.

3 minutes x 60 seconds = 180 seconds.

180 seconds / 20 = 9

25 liters x 9 = 225

Total water in 3 minutes = 225 liters

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3 years ago

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17. 1,000 X n = 630<br> n =

ki77a [65]

Answer:

0.63 or 63/100

Step-by-step explanation:

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3 years ago

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