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anygoal [31]
1 year ago
9

How long would it take a plane to go 12.75 mile if it’s going 0.15 seconds per mile

Mathematics
1 answer:
polet [3.4K]1 year ago
3 0

Answer:

  1.9125 seconds

Step-by-step explanation:

The units give you a clue as to the math needed.

  (12.75 mi)×(0.15 s/mi) = (12.75×0.15) s = 1.9125 s

It would take 1.9125 seconds to go 12.75 miles.

__

<em>Additional comment</em>

You notice that miles are in the numerator of the distance, and the denominator of the given rate. That means those units will cancel when the numbers are multiplied. The remaining units will be seconds, the unit in the numerator of the given rate. That is what the problem is asking for.

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How much medicine should he add to the food?​
quester [9]

Answer:

Paul should give 18 teaspoons of medicine to his dog.

Step-by-step explanation:

It is stated in the question that for every 12 pounds, 3 teaspoons of medicine is to be given to the dog.

This implies that:

12 pounds = 3 teaspoons

1 pound = 3/12 teaspoons

             = 1/4 teaspoons                      <em> ( by cross multiplication )</em>

<em />

<h3>72 pounds = 1/4 * 72 teaspoons</h3><h3>                   = 18 teaspoons</h3><h3 />

Hence, Paul should add 18 teaspoons of medicine to his dog's food.

3 0
2 years ago
Where does the square root of 40 go on a 1-10 number line?​
kaheart [24]

Answer:

Step-by-step explanation:

36 < 40 < 49\\\\6 < \sqrt{40}  < 7\\

Here is the exact construction of √40 using Pythagorean 's theorem

8 0
2 years ago
Explain how you can approximate a cube root when the cube is not a perfect cube.
jenyasd209 [6]

Answer:

See below.

Step-by-step explanation:

It would take a long time to explain . There is a good method called Newton's method which involves graphs of the type

y = x^3 - n and applying calculus to produce cycles of approximation  until you'll get close to the required cubic root.

You'll find it on online videos.

5 0
3 years ago
Read 2 more answers
What is 1556 rounded to the nearest thousand
fgiga [73]
Greetings!

"<span>What is 1556 rounded to the nearest thousand?"...

The thousand place value number is in bold: 1556.

Since the number to the right of the bold number is 5 or greater, we round up.

1556 rounded from the thousand place value is 2000.

Hope this helps.
-Benjamin</span>
6 0
2 years ago
Eddie deposited $1200 into an account that earns 3% interest compounded 2 times per year. How much money will Eddie have in his
nirvana33 [79]
Total = Principal * (1+(rate/n))^n*years
Total = 1,200 * (1.015)^14
Total = 1,200 * <span><span><span>1.2317557307 </span> </span> </span>
<span>Total = 1,478.11</span>
Source:
http://www.1728.org/compint3.htm




8 0
3 years ago
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