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Ad libitum [116K]
3 years ago
6

Find the limit of f(x,y ) → (0,0) or show that the limit does not exist. Consider converting the function to polar coordinates t

o make finding the limit easier.
f(x,y)= (x^3-xy^2)/(x^2+y^2)
Mathematics
1 answer:
Vladimir79 [104]3 years ago
7 0
7272736463636367337277272727727273737373737374737
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What is the value of the expression 4x−y/2y x when x = 3 and y = 3? −3 1 9 18
ziro4ka [17]
(4x - y)/(2y + x) when x = 3 and y = 3 is
(4(3) - 3)/(2(3) + 3) = (12 - 3)/(6 + 3) = 9/9 = 1

5 0
3 years ago
At a rate of 4.25% over 24 months. If he pays $51.00 in interest, what was the original amount of his loan?
Alexxandr [17]
I = PRT.....rearrange.....P = I / RT

P = 51 / (0.0425* 2).....I used 2 because 24 months = 2 yrs
P = 51 / 0.085
P = 600 <===

6 0
3 years ago
Please help I need help
JulijaS [17]
The rate of change in this pattern is 2:1 comparing the change in 'y' to the change in 'x'.. this means that if you go form 33 to 51 ( an increase of 18), then the the increase from 16 to ? will be 9.  Therefore, ? = 16 + 9 or 25
? = 25
4 0
3 years ago
a restaurant sells tea for 1.50 per cup. a group of 6 people order drinks. what is the domain and range for the situation?
konstantin123 [22]

Answer:

srry

Domain: (−∞,∞),{x|x∈R}

Range: {9}

Step-by-step explanation:

Find the domain by finding where the expression is defined. The range is the set of values that correspond with the domain.

5 0
3 years ago
Sales prices of baseball cards from the 1960s are known topossess a skewed-right distribution with a mean sale price of $5.25and
Serga [27]

Answer:

c. Skewed-right with a mean of $5.25 and a standard error of$0.28

Step-by-step explanation:

As we have given that Sales prices of baseball cards have a right-skewed distribution with a mean $5.25 and a standard deviation is $2.80.

Now, We know that if standard deviation = σ

then, standard error = \frac{\sigma}{\sqrt{n}}

As, we have standard deviation = $2.80

then standard error will be \frac{2.80}{\sqrt{100}}

⇒ Standard error = $0.28

Hence, Option (c) is the correct option.

6 0
3 years ago
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