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Greeley [361]
3 years ago
13

Help ASAP with these questions.

Mathematics
1 answer:
lukranit [14]3 years ago
3 0
You are correct, it is a

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What is the opposite of the number located at point c?
OlgaM077 [116]
C is the correct answer

explanation: the opposite is the always the positive or negative of the number
7 0
3 years ago
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Find where the slope of the curve is defined:<br> x^2y-xy^2=4
Natali [406]
You do the implcit differentation, then solve for y' and check where this is defined. 
In your case: Differentiate implicitly: 2xy + x²y' - y² - x*2yy' = 0 
Solve for y': y'(x²-2xy) +2xy - y² = 0 
y' = (2xy-y²) / (x²-2xy) 
Check where defined: y' is not defined if the denominator becomes zero, i.e. 
x² - 2xy = 0 x(x - 2y) = 0 
This has formal solutions x=0 and y=x/2. Now we check whether these values are possible for the initially given definition of y: 
0^2*y - 0*y^2 =? 4 0 =? 4 
This is impossible, hence the function is not defined for 0, and we can disregard this. 
x^2*(x/2) - x(x/2)^2 =? 4 x^3/2 - x^3/4 = 4 x^3/4 = 4 x^3=16 x^3 = 16 x = cubicroot(16) 
This is a possible value for y, so we have a point where y is defined, but not y'. 
The solution to all of it is hence D - { cubicroot(16) }, where D is the domain of y (which nobody has asked for in this example :-). 
(Actually, the check whether 0 is in D is superfluous: If you write as solution D - { 0, cubicroot(16) }, this is also correct - only it so happens that 0 is not in D, so the set difference cannot take it out of there ...). 
If someone asks for that D, you have to solve the definition for y and find that domain - I don't know of any [general] way to find the domain without solving for the explicit function). 
3 0
3 years ago
Which transformation shows a reflection across the y-axis?
LUCKY_DIMON [66]
The correct answer is letter A
3 0
2 years ago
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............... help me please i don’t understand this
Sergio [31]

Answer:

x = 11

Step-by-step explanation:

3 0
3 years ago
If P divided by 10 is 2. What is the value of P ?
barxatty [35]

Answer:

The value of P is 20 .

Step-by-step explanation:

Firstly, you have to create an expression in terms of p using the information :

\frac{p}{10}  = 2

Next, you have to multiply both sides by 10 :

\frac{p}{10}  \times 10 = 2 \times 10

p = 20

8 0
3 years ago
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