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iris [78.8K]
2 years ago
10

In combining like terms with fractions what would this be 1/2k - 3/8k =

Mathematics
1 answer:
DanielleElmas [232]2 years ago
6 0

Answer:

Step-by-step explanation:

1/2k - 3/8k.....lowest common denominator is 8

4/8k - 3/8k = 1/8k <===

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A quality control technician checked a sample of 30 bulbs. Two of the bulbs were defective. If the sample was a representative,
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I think that 30 bulbs are expected to be defective.
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2 years ago
Triangle X Y Z is shown. Line Z X is extended through point W to form exterior angle W X Y.
Y_Kistochka [10]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
Which trigonometric function has a range that does not include 0.4?
Montano1993 [528]
<h2>Hello!</h2>

The answer is: y=cscx

<h2>Why?</h2>

Domain and range of trigonometric functions are already calculated, so let's discard one by one in order to find the correct answer.

The range is where the function can exist in the vertical axis when we assign values to the variable.

First:

y=cosx: Incorrect, it does include 0.4 since the cosine range goes from -1 to 1 (-1 ≤ y ≤ 1)

Second:

y=cotx: Incorrect, it also does include 0.4 since the cotangent range goes from is all the real numbers.

Third:

y=cscx: Correct, the cosecant function is all the real numbers without the numbers included between -1 and 1 (y≤-1 or y≥1).

Fourth:

y=sinx : Incorrect, the sine function range is equal to the cosine function range (-1 ≤ y ≤ 1).

I attached a pic of the csc function graphic where you can verify the answer!

Have a nice day!

8 0
3 years ago
What does the imaginary number i represent
VikaD [51]
I represent the imaginary part like a+bi where a is the real part 

but in the other words i = sqrt(-1) 

hope helped 
8 0
2 years ago
Read 2 more answers
How can i evaluate this expression 3/2-4/7
siniylev [52]
\frac{3}{2} -  \frac{4}{7}
=  \frac{3}{2} +  \frac{-4}{7} &#10;
=  \frac{21}{14} +  \frac{-8}{14}
=  \frac{21+-8}{14}
= \frac{13}{14}
<span>Decimal: 0.928571</span>
4 0
3 years ago
Read 2 more answers
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