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3 years ago

Suppose that we use Euler's method to approximate the solution to the differential equation:

Mathematics

1 answer:

melomori [17]3 years ago

3 0

Answer:

n=0

y1 =7.005

n=1

y2=7.016

n=2

y3=7.033

n=3

y4= 7.055

n=4

y(1.4)=7.83

Step-by-step explanation: actual value of y at x=1.4 is y(1.4)=7.083

by using the numerical analysis as it is correct method to find most accurate answer. use the given data x0=0.2, y0=7, h=0.2, f(x,y)=x/y

put all the values in given function we get the answer.

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Log 15 = log(7 - 4x)

Korvikt [17]

Answer:

x =-2

Step-by-step explanation:

log 15 = log(7 - 4x)

The terms inside the log functions must be the same

15 = 7 -4x

Subtract 7 from each side

15-7 = 7-4x-7

8 = -4x

Divide each side by -4

8/-4 =-4x/-4

-2 =x

7 0

3 years ago

Read 2 more answers

Can someone plz help with this question idk how to do it im stooopid

V125BC [204]

Answer: 96 square units (choice B)

==============================================

Explanation:

Triangle OBI has a base of OI = 12 units along the horizontal component, and CB = 8 is the vertical component or the height.

area of triangle OBI = 0.5*base*height

area of triangle OBI = 0.5*12*8

area of triangle OBI = 48 square units

--------------------------------------

Now find the area of the trapezoid GNIO. The two horizontal components are the parallel bases GN = 4 and OI = 12. The height of this trapezoid is the vertical component CD = 6, where point D is added on to be at location (0,-6) on the graph.

area of trapezoid = (height*(base1+base2))/2

area of trapezoid GNIO = 6*(4+12)/2

area of trapezoid GNIO = 48

Coincidentally, the triangle and trapezoid both have the same area

--------------------------------------

The last thing to do is add the two areas of the triangle and trapezoid

total area = (area of triangle OBI) + (area of trapezoid GNIO)

total area = (48) + (48)

total area = 96 square units

8 0

3 years ago

Determine whether the relationship between the two quantities is proportional. Explain.

ira [324]

Answer:

Option B. No, because the graph of the line connecting the ordered pairs does no pass through the origin.

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $k=\frac{y}{x}$ or $y=kx$

In a proportional relationship the constant of proportionality k is equal to the slope m of the line<u><em> and the line passes through the origin</em></u>

step 1

Connect the ordered pairs of the graph

The y-intercept is the point (0,20)

see the attached figure

That means, that the line not passes through the origin

therefore

The relationship between the two quantities is not proportional