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cestrela7 [59]
3 years ago
7

What is the conjugate? Sqrt 8 - sqrt 9

Mathematics
2 answers:
jarptica [38.1K]3 years ago
4 0
<span> </span><span>The conjugate of an irrational number is the number you have to multiply it by in order to arrive at a rational number. 
</span>
Dafna1 [17]3 years ago
4 0

Answer:

\frac{-1}{(\sqrt{8}+\sqrt{9})}

Step-by-step explanation:

We are given the expression \sqrt{8}-\sqrt{9}.

So, the conjugate is given by,

(\sqrt{8}-\sqrt{9})\times \frac{(\sqrt{8}+\sqrt{9})}{(\sqrt{8}+\sqrt{9})}

i.e. \frac{(\sqrt{8})^{2}-(\sqrt{9})^{2}}{(\sqrt{8}+\sqrt{9})}

i.e. \frac{8-9}{(\sqrt{8}+\sqrt{9})}

i.e. \frac{-1}{(\sqrt{8}+\sqrt{9})}

Thus, the conjugate of the expression is given by \frac{-1}{(\sqrt{8}+\sqrt{9})}.

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A soup kitchen makes 15 gallons of soup each day a quarter of the soup is served and the rest is saved for the next day , what i
Sophie [7]

Number of ounces left is 1120

Step-by-step explanation:

  • Step 1: Find number of ounces left after each day.

Given total soup prepared each day = 15 gallons

Amount served each day = 1/4 of 15 = 15/4 gallons

Amount left after each day = 15 - 15/4 = 60 - 15/4 = 35/4 gallons

  • Step 2: Convert gallons into ounces. 1 gallon = 128 ounces

35/4 gallons = 35/4 × 128 = 1120 ounces

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3 years ago
What set of lengths forms a right triangle?
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The answer is C. 50 in, 48 in, 14 in

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3 years ago
Show all work. <br><br>PLEASE HELP!!!!
34kurt
(a) Using the table, give the values fo rthe inverse


1) original table of values:


x      1     2     3    4    5

f(x)   0     1     1    5    3


2) The inverse of the function is obtained by exchanging x and f(x), this is:


                   ( x, f(x) ) → ( f(x), x)


3) So, the table of values of the inverse of the given function is:


x          0    1     1      5     3

f⁻¹ (x)   0     1     2     3     4


(b) Is the inverse a function?


No, the inverse is not a function, since the table of the inverse shows that the x -value 1 has two different images.


This ambigüity is opposite to the definition of a function, which requires that any input value has only one output. For that reason, the inverse is not a function. You cannot tell whether the image of 1 is 1 or 2, because both are images of the same value.
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