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astraxan [27]
3 years ago
12

Find a close estimate for: √18

Mathematics
2 answers:
sashaice [31]3 years ago
6 0
The square root for 18 is 4.242.... , not sure how you want it estimated
aev [14]3 years ago
4 0

Another way to estimate sqrt(18) is to understand that

sqrt(18)

=sqrt(9)sqrt(2)

=3sqrt(2)

=3*1.414

=4.242


Note: estimate for sqrt(2) can be by common usage, or the fact that 14*14=196.

memorizing a few square-roots is an advantage in these situations:

sqrt(2)=1.41421356

sqrt(3)=1.7320508

sqrt(5)=2.2360680

etc.

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You are considering buying a piece of industrial equipment to automate a part of your production process. This automation will s
Minchanka [31]

Answer:

No.

Step-by-step explanation:

The equipment wll save $35,000 per over for 10 years, which totals to $350,000.

If the equipment is bought on a simple interest rate of 12% annually for ten years, it will cost:

A = P (1 + rt),\\where\ A =\ Final\ amount,\ r=rate\of\interest\annually,\ t=time,\ P= Principal\ value\\\\P = 200,000r = 0.12t = 10 \\\\A = 200,000 ( 1 + 0.12\times 10)\\A = 200,000 (1 + 1.2)\\A = 200,000 (2.2)\\A = 440,000

We will need to pay $440,000 in total for the machine in over ten years.

If we compare both values, it can be deduced that industrial equipment is more expensive than labor cost.

4 0
3 years ago
the length of the kitchen floor on the scale drawing is 1 1/2 what is the actual length of the kitchen floor? when 1/4 inch = 4
Lilit [14]
This means that for every inch there is 16 feet. 1 and 1/2 inches is also 1 + 1/4 + 1/4 inches, or (to scale) 16 + 4 + 4 feet, equaling 24 feet.

TL;DR    24 feet
4 0
3 years ago
Brenda took her dog to the veterinarian for an exam. The doctor told Brenda her dog needed to lose weight. Her dog weighed 55 po
raketka [301]

Answer:

<h2>18%</h2>

Step-by-step explanation:

Step one;

given

initial weight = 55 pounds

final weight= 45 pounds

Step two:

Required

the % weight decrease

% decrease= initial-final/initial *100

% decrease= 55-45/55 *100

% decrease= 10/55 *100

% decrease= 0.18 *100

% decrease= 18%

4 0
3 years ago
What is not an acceptable form of proof
gregori [183]
What are your options?
7 0
3 years ago
A _________ of the plane is a transformation which shifts all the points in a plane figure, without altering the shape of the fi
goldfiish [28.3K]

Answer:

Translation is such a transformation which shifts all the points in a plane figure, without altering the shape of the figure.

Step-by-step explanation:

<em>" In a translation transformation all the points in the object are moved in a straight line in the same direction. The size, the shape and the orientation of the image are the same as that of the original object "</em>

Hence, Translation is the answer.

( i.e. A Translation of the plane is a transformation which shifts all the points in a plane figure, without altering the shape of the figure )

3 0
3 years ago
Read 2 more answers
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