Question about Cobra 29 LTD CB Radio

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7w-2 as the numerator and 16w^2-1 denominator.. i need to find the domain, set notation, any real numbers and know if it has excluded values and why. Please help!

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We put new diode in and put power to it blows fuses no power to radio

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I need help with improper fractions may you please help me thanks


An improper fraction is simply a fraction with the numerator being larger than the denominator.

To make it an improper fraction from the mixed number given, just multiply the whole number (2) by the denominator (3), then add the numerator (2). The result is the new numerator and the denominator remains the same.

In this case (2 2/3), it would be 2 * 3 + 2 for the numerator....or 8. So 8/3 would be the improper fraction.

Oct 11, 2017 | Miscellaneous

1 Answer

Find fractional notation for the ratio of 335 to 547.


write as decimal over one as fraction.
multiply top and bottom for number of decimal places by 10^(number of decimal places) to eliminate decimal.
Find the greatest common factor (gcf) for both numerator and denominator and divide both by this number in this case 2.
Simplify result.

30621/50000



Decimal to Fraction Calculator

Nov 10, 2016 | Office Equipment & Supplies

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Austen rode his bicycle 2 2/5 miles from his house to the park. Then he rode 1 1/2 miles from the park to the library. How many miles did Austen ride in all?


You must covert the two fractions to a common denominator (lower number). You do this by finding a multiple of each number where they will match. Here the multiple is 10. To convert 2/5 to 10ths, you must determine what number you need to multiply 5 by to get 10. This is 2. Then you multiply both the numerator and the denominator by that number. This give you the same value, but in 10ths rather than 5ths. Here it becomes 4/10 (2/5=4/10).
Now you do the same thing to the other faction. What must you multiply 2 by to get 10? The answer here is 5. Multiply both the numerator and the denominator by 5. This give you 5/10 (1/2=5/10).

Now you simply add the entire values.

2 and 4/10 miles plus 1 and 5/10 miles equals 3 and 9/10 miles.

Feb 13, 2016 | ixl.com

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Can you help me on this question?


This answer is correct. 4/12 divided by 2/2= 1/3
The reciprocal of 2/2 is 2/2
Then you multiply straight across and reduce to get 1/3

Mar 01, 2015 | Miscellaneous

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How do I convert square roots (for example square root of 147) into a number like 7 over square root 3. is it possible to do that? Or can the TI-130Xa only convert perfect squares (like square root o


Unfortunately this calculator does not display results in radical form. If you enter SQRT(147) you get 12.12435565...
What you are asking for is called rationalizing an irrational expression. Usually one tries to get rid of radicals that appear in the denominators. Here is an example.
Suppose you have 1/(c+SQRT(d)), and you want to get rid of the radical in the denominator. How to do it?
Recall the identity (a-b)*(a+b)= a^2-b^2. It is true for any a and b

Rationalizing a denominator (usual case)
Now consider (c+SQRT(d)). Multiply it by (c-SQRT(d))
[c+SQRT(d)]*[c-SQRT(d)]=c^2 -[SQRT(d)]^2=c^2-d
You see that there is no radical.
Now take 1/(c+SQRT(d)). To get rid of the radical from the denominator multiply it by (c-SQRT(d)). But to leave the value of your expression 1/(c+SQRT(d)) unchanged, you must multiply both numerator and denominator by (c-SQRT(d)).
The numerator becomes 1*(c-SQRT(d))=c-SQRT(d), and the denominator (c^2-d).
Finally, the rationalized form of the expression 1/(c+SQRT(d)) is
[c-SQRT(d)]/[c^2-d].

Rationalizing a numerator
Sometimes, people have a radical in the numerator that they want to get rid of and have it in the denominator. The procedure is the same
Example:(c+SQRT(d)), the denominator here is 1
(c+SQRT(d))=(c+SQRT(d))*[c-SQRT(d)]/[c-SQRT(d)]. This gives
[c^2-d]/[c-SQRT(d)]
You have no radical in the numerator but there is one in the denominator. This is called rationalizing the numerator.
Your case is a lot simpler
SQRT(147)=7*SQRT(3)
Multiply it by SQRT(3)/SQRT(3) which is 1. This gives
SQRT(147)=7*3/SQRT(3)=21/SQRT(3)

SQRT(147)= 21/SQRT(3)

Feb 09, 2014 | Texas Instruments TI-30XA Calculator

1 Answer

What is an improper fraction


A proper fraction is one where the numerator is less than the denominator 1/3, 2/3,1/4, 5/9. All these values are less than 1.
Take now the fraction 17/8. This is not a proper fraction because the numerator is NOT less the denominator. The result can be written as a mixed number (2 1/8) or an improper fraction (17/8)

Nov 18, 2013 | Office Equipment & Supplies

1 Answer

3/4 -1/8 please explain the answer


First you need the same number in the denominator (the bottom number) in order to do calculations.
In looking at the denominators ( 4 and 8 ) we know that one way for them to be equal is 4 x 2 = 8. In order
to times the denominator by 2 we also need to times the numerator (top number) by two. We do this because
you can times any number by 1 and it is the same number. So to do this we will times 3/4 by 2/2.
This is acceptable because 2/2 = 1 . so 3/4 x 2/2 (in multiplying fractions just times across or multiply the top
numbers together and multiply the bottom numbers) = (3 x 2) / (4 x 2) this simplifies into (6) / (8) or 6/8.
Now we can look at 6/8 - 1/8. Because the denominators are now the same we can subtract the
numerators, 6/8 - 1/8 = (6-1) / 8 this is 5/8. Thus, 3/4 - 1/8 = 5/8 .

Mar 29, 2011 | Office Equipment & Supplies

1 Answer

How do you represent the set of rational numbers in symbol form


hi maybe the formula below will help you

A rational number is a number that can be expressed as a fraction with an integer numerator and a non-zero natural number denominator. Fractions are written as two numbers, the numerator and the denominator, with a dividing bar between them. In the fraction written mn or
61f3a73e6711407c72f79e8deb797c6a.png m represents equal parts, where n equal parts of that size make up one whole. Two different fractions may correspond to the same rational number; for example 1⁄2 and 2⁄4 are equal, that is:
38aeb170898abdf282b4ef5400015067.png If the absolute value of m is greater than n, then the absolute value of the fraction is greater than 1. Fractions can be greater than, less than, or equal to 1 and can also be positive, negative, or zero. The set of all rational numbers includes the integers, since every integer can be written as a fraction with denominator 1. For example −7 can be written −7⁄1. The symbol for the rational numbers is Q (for quotient), also written d45a4aa156a8ac07ab80e7d9cf5fa79f.png.

Jun 27, 2010 | Cobra 29 LTD CB Radio

1 Answer

I don't know how to use it for fractions , and decials


any fraction is numerator divided by denominator- on a calculator this is expressed as a decimal value. What is your real question?

Oct 23, 2009 | Texas Instruments Office Equipment &...

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