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3 years ago

4x=500+96.plz send answer fast

Mathematics

1 answer:

Brut [27]3 years ago

3 0

Are you solving for x or finding the slope

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Zoe is doing a survey to find the time her classmates spend playing video games. She asks the following question:

kati45 [8]

she would need, hours (maybe minutes) and if she was doing daily or weekly amount of time.

Step-by-step explanation:

yes because it would give you numbers that you could then use to make some sort of chart to better understand your data

3 0

3 years ago

Read 2 more answers

Match solutions and differential equations. Note: Each equation may have more than one solution. Select all that apply. (a) 7y''

Nonamiya [84]

Answer:

a- $e^x,e^{-x}$

b- $x^{-2}$

c- $x^3$

Step-by-step explanation:

a.7 y''-7 y =0

Auxillary equation

$D^2-1=0$

$(D-1)(D+1)=0$

D=1,-1

Then , the solution of given differential equation

$y=e^x,y=e^{-x}$

2. $7x^2y''+14xy'-14 y=0$

Y= $y=x^3$

$y=3x^2$

$y''=6x$

Substitute in the given differential equation

$42x^3+42x^3-14x^3\neq 0$

Hence, $x^3$ is not a solution of given differential equation

$e^x,e^{-x}$ are also not a solution of given differential equation.

y= $x^{-2}$

$y'=-2x^{-3}$

$y''=6x^{-4}$

Substitute the values in the differential equation

$7x^2(6x^{-4})+14x(-2x^{-3})-14 x^{-2}$

= $42x^{-2}-28x^{-2}-14x^{-2}=0$

Hence, $x^{-2}$ is a solution of given differential equation.

c. $7x^2y''-42y=0$

$y=x^3$

$y'=3x^2$

$y''=6x$

Substitute the values in the differential equation

$42x^3-42x^3=0$

Hence, $x^3$ is a solution of given differential equation.

a- $e^x,e^{-x}$

b- $x^{-2}$

c- $x^3$

6 0

4 years ago

Read 2 more answers

1)The graph below shows a line segment XY:

Hitman42 [59]

The segment goes from point (-1, 3) to (1,-1)
Slope = rise / run = (-3 - 1) / (1 - (-1)) = -4 / 2 = -2
Slope = -2

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4 years ago

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Solve for the roots in simplest form using the quadratic formula:<br> 202 + 61 =-10x

ella [17]

X=-263/10 which is also the root to the equation.

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3 years ago

Two large numbers of the Fibonacci sequence are f50=12,586,269,025 and f51=20,365,011,074. What is the approximate value of the

GenaCL600 [577]

jsut divide them
12,586,269,025 and 20,365,011,074
f51/f50=20,365,011,074/12,586,269,025= 0.6183398874989

7 0

3 years ago