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3 years ago

Which of the following points lies in the l and ll quadrants.

Mathematics

1 answer:

meriva3 years ago

5 0

Answer:

Quadrant I: (1,1), (4,3)

Quadrant II: (-2, 3), (-1, 1)

Step-by-step explanation:

Quadrant I points have positive x and y values. Quandrant II points have negative x values and positive y values.

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Find the general solution to 3y′′+12y=0. Give your answer as y=... . In your answer, use c1 and c2 to denote arbitrary constants

lozanna [386]

Answer:

$y(x)=c_1e^{2ix}+c_2e^{-2ix}$

Step-by-step explanation:

You have the following differential equation:

$3y''+12y=0$ (1)

In order to find the solution to the equation, you can use the method of the characteristic polynomial.

The characteristic polynomial of the given differential equation is:

$3m^2+12=0\\\\m^2=-\frac{12}{3}=-4\\\\m_{1,2}=\pm2\sqrt{-1}=\pm2i$

The solution of the differential equation is:

$y(x)=c_1e^{m_1x}+c_2e^{m_2x}$ (2)

where m1 and m2 are the roots of the characteristic polynomial.

You replace the values obtained for m1 and m2 in the equation (2). Then, the solution to the differential equation is:

$y(x)=c_1e^{2ix}+c_2e^{-2ix}$

4 0

3 years ago

Rewrite the linear equation below in slope-intercept form. 7x+9y=12 Select one: A. y=−7x/9+4/3 B. y=−7x/9+3/4 C. y=7x/9+4/3 D. y

polet [3.4K]

Answer:

The answer is A y=-7x/9 + 4/3

Step-by-step explanation:

8 0

2 years ago

PLEASE HELP,I WIL GIVE BRAINLIEST.

stiks02 [169]

Answer:

70 ft

Step-by-step explanation:

300/20 = 15

20x2=40

15x2=30

40+30=70

8 0

3 years ago

Read 2 more answers

Help me out here please find the value of x

7nadin3 [17]

Answer:

6. 51

7. 31

8. 20

Step-by-step explanation:

2x+8=110

2x=102

x=51

2x+x-3=90

3x-3=90

3x=93

x=31

7x+x+20=180

8x+20=180

8x=160

x=20

4 0

3 years ago

The median of the data set is 81. what number is missing? 82, 87, __, 77, 70, 80, 88

11111nata11111 [884]

The number that is missing is 83

8 0

3 years ago