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4 years ago

How do you write 90,300 in scientific notation?

Mathematics

1 answer:

Effectus [21]4 years ago

5 0

Answer:

9.03 x 10^4

hope it helps!!

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Simplfy 13g +2(4k - g)

Dmitry_Shevchenko [17]

13g + 2(4k - g)

Distributive property

13g + 8k - 2g

Put like terms 2gether

13g- 2g + 8k

11g + 8k

THE ANSWER IS 11g + 8k

8 0

3 years ago

The world record for the men’s 10000 meters was 26 minutes 17.53 seconds held by kenenisa bekele of Ethiopia. What was his avera

Crazy boy [7]

Answer:

6.33 m/s

Step-by-step explanation:

Given that,

The world record for the men’s 10000 meters was 26 minutes 17.53 seconds.

Distance = 10000 m

Time, t = 26 minutes 17.53 seconds = 1577.53 s

We need to find the average speed throughout the race. It is equal to total distance divided by total time taken.

$v=\dfrac{10000\ m}{1577.53\ s}\\\\=6.33\ m/s$

So, the average speed is 6.33 m/s.

4 0

3 years ago

In problem solve the given differential equation by underdetermined coefficients y''-2y+y=xe^x

Alexus [3.1K]

Answer:

Solution is $y(t)=C_1e^x+C_2xe^x+\frac{x^3e^x}{6}$

Step-by-step explanation:

Given Differential Equation,

$y"-2y'+y=xe^x$ ...............(1)

We need to solve the given differential equations using undetermined coefficients.

Let the solution of the given differential equation is made up of two parts. one complimentary solution and one is particular solution.

$\implies\:y(x)=y_c(x)+y_p(x)$

For Complimentary solution,

Auxiliary equation is as follows

m² - 2m + 1 = 0

( m - 1 )² = 0

m = 1 , 1

So,

$y_c(x)=C_1e^x+c_2xe^x$

Now for particular solution,

let $y_p(x)=Ax^3e^x$

$y'=Ax^3e^x+3Ax^2e^x$

$y"=Ax^3e^x+6Ax^2e^x+6Axe^x$

Now putting these values in (1), we get

$Ax^3e^x+6Ae^2e^x+6Axe^x-2(Ax^3e^x+3Ax^2e^x)+Ax^3e^x=xe^x$

$Ax^3e^x+6Ae^2e^x+6Axe^x-2Ax^3e^x-6Ax^2e^x+Ax^3e^x=xe^x$

$6Axe^x=xe^x$

$6A=1$

$A=\frac{1}{6}$

$\implies\:y_p(x)=\frac{x^3e^x}{6}$

Therefore, Solution is $y(t)=C_1e^x+C_2xe^x+\frac{x^3e^x}{6}$

8 0

4 years ago

Which of the following equations represents a hyperbola with a vertical transverse axis and foci at (0, −10) and (0, 10)?

Taya2010 [7]

Answer: A

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Directions: Six contestants on a reality TV show were stunned to find their lowest scoring colleague was “murdered”. You must fi

Elza [17]

Answer:

professor delta

Step-by-step explanation:

I tryed

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3 years ago