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Elan Coil [88]
3 years ago
5

A quality control worker checked that 3 out of 40 TVs are defective(do not work).

Mathematics
2 answers:
leva [86]3 years ago
6 0

Step-by-step explanation:

3 : 40 = x : 8000

3/x = 40/8000

40 × x = 3 × 8000

40x = 24000

x = 24000/40

x = 600

gregori [183]3 years ago
4 0

Answer:

600

Step-by-step explanation:

Divide 8000 by 40 then multiply by 3

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What is 1/4x-6=-10 step by step please help me
Aloiza [94]

Answer:

x = -16

Step-by-step explanation:

\frac{1}{4}x-6=-10 < ==add\ 6\ to\ both\ sides\\ \ \ \ \ \ \ \ \ +6  \  \ \ \  \  \ \  \ +6\\\\\frac{1}{4}x=-4 < ==multiply\ both\ sides\ by\ 4\\4(\frac{1}{4}x=-4)\\\\x=-16 < ==final\ answer

Hope this helps!

3 0
2 years ago
<img src="https://tex.z-dn.net/?f=8%20-%20%20%7B2%7D%5E%7B2%7D%20%20%2B%203%20-%205" id="TexFormula1" title="8 - {2}^{2} + 3 -
Vlad1618 [11]

The answer should be 8+[(2^2)+3]-5

Hope this helps!


3 0
3 years ago
Helpppppppppp plssssss
cluponka [151]
Pretty sure the answer is 6
8 0
2 years ago
Find the circumference and the area of the circle with a diameter of 15ft​
guapka [62]

Answer:

Circumference is pi times diameter so that would equal 15 pi. The formula to find the area of a circle is A=pi * r^2 So you divide 15 by 2 to find the radius. r=7.5 Then you square it and multiply it by pi and get 56.25pi which is about equal to 176.715

6 0
2 years ago
What two positive real numbers whose product is 7272 have the smallest possible​ sum?
nadezda [96]
\sqrt{7272} and \sqrt{7272}, or as a rounded decimal 85.28 and 85.28. 

To find the smallest possible sum of roots for any product, the answer is always whatever numbers are closest together. This fact can be derived by the fact that the greatest area we can enclose with a given length is a perfect square. So we can take the square root of 7272 and use that, since they will be exactly the same number. 

If you are looking for whole numbers, you would have to go up or down until you find a factor of 7272 closest to the square root. In this case that would be 72 and 101. 
3 0
3 years ago
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