4 years ago

12 x 4 + 36 ÷ 4 - 37

1 answer:

4 0

The answer is 20 you do multiplication first then the division, add what both the numbers that you got. Then subtract 37 and you get 20

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Use Euler’s method to estimate the value of y(20). Use a step size of ∆x = 5. Please fill out the remainder of the chart complet

crimeas [40]

Answer:

y(20)=14,322

Step-by-step explanation:

We need to solve the equation:

$dy/dx=0.4xy$

with initial point

$y(0) = 2$

with incerments

$\Delta x=h=5$

By Euler's method, we have:

$y(x+h)=y(x)+h*f'(x,y)$

We start with the initial point

$y(5)=y(0)+5*f'(0,2)=2+5*(0.4*0*2)=2$

And we continue until we reach the value for y(20)

$y(10)=y(5)+5*f'(5,2)=2+5*(0.4*5*2)=2+20=22\\\\\\y(15)=y(10)+5*f'(10,22)=22+5*(0.4*10*22)=22+440=462\\\\\\y(20)=y(15)+5*f'(15,462)=462+5*(0.4*15*462)=462+13,860\\\\y(20)=14,322$

4 0

3 years ago

How you find the radius of a circle

Inessa05 [86]

You find the radius by dividing the diameter by 2

4 0

3 years ago

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9[[w]^[5]]+24[[w]^[4]]+16[[w]^[3]] I need to simplify this.

kupik [55]

$9w^5 + 24w^4 + 16w^3$

Factor out w³.

$w^3(9w^2+24w+16)$

Find two numbers that multiply to equal 144 (9*16) and add to equal 24.
This would be 12 and 12.

$w^3(9w^2+12w+12w$

Factor.

$w^3(3w(3w+4)+4(3w+4))$ +16)[/tex]

Simplify.

$w^3(3w+4)(3w+4) = w^3(3w+4)^2$

6 0

3 years ago

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The mean of four numbers is 61. If three of the numbers are 47,65, and 77, what is the fourth number?

bixtya [17]

<em><u>ANSWER</u></em>

my answer is in the photo above