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Sonja [21]
3 years ago
15

Is this a function ?|x| - y = 2

Mathematics
1 answer:
sineoko [7]3 years ago
3 0
Yes because if you graph it, it passes the vertical line test
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Eliminate the parameter t. Then use the rectangular equation to sketch the plane curve represented by the given parametric equat
____ [38]

Answer:

9x^2+4y^2=36

Step-by-step explanation:

We are given that

x=2cos t

y=3 sin t

0\leq t\leq 2\pi

cost=\frac{x}{2}

sint=\frac{y}{3}

sin^2 t+cos^2 t=(\frac{x}{2})^2+(\frac{y}{3})^2

1=\frac{x^2}{4}+\frac{y^2}{9}

By using the formula

sin^2\theta+cos^2\theta=1

1=\frac{9x^2+4y^2}{36}

9x^2+4y^2=36

4 0
2 years ago
Help me please ;(
sladkih [1.3K]
While it says not to state it, I will state which one is which, just for clarification.

Linear Pattern: A person is paid $10 for every hour they work. Before they start working, they are given an additional $5. They receive no raises in their pay.
This is linear because the pay is constant, and they aren't receiving any additional money. The equation for this would be y = 10x+5, x is the amount of hours they work.

Non-Linear Pattern: A person is paid $10 for every hour they work. Before they start working, they get are given an additional $5. For every 30 minutes they work after hour 4, they receive a $1 raise.
This is non-linear because the pay, after a certain amount of time, would go up, and the graph would soon start going higher after hour 4.

An ordered pair for the linear would be: (5, 55)
After working 5 hours, they would have $55.

An ordered pair for the non-linear would be (5, 56)
After working for 5 hours, they would have $56. 
5 0
3 years ago
I am very confused pls help|w+5|>5
SIZIF [17.4K]

Answer:

on what do you need help in

4 0
2 years ago
Which is the area of a circle with diameter 6.4 inches? use 3.14
Elodia [21]
The correct answer is 32.15 inches
3 0
3 years ago
In the following​ exercise, does the problem involve permutations or​ combinations? Explain your answer. One hundred people purc
Blizzard [7]

Answer: Permutation is involved , since order of prizes matters.

The number of different ways the prizes can be​ awarded =95060

Step-by-step explanation:

Given : Total number of people purchase lottery tickets =100

The number of prizes = 3

Since each prize can be claimed by only one person.

So order matters here, there for we use permutations .

The number of permutations of n objects taken m at a time is given by :-

^nP_m=\dfrac{n!}{(n-m)!}

Then, the number of different ways the prizes can be​ awarded :-

^{100}P_{3}=\dfrac{100!}{(100-3)!}=\dfrac{100!}{97!}\\\\=100\times98\times97=950600

0 0
3 years ago
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