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Ket [755]
3 years ago
11

If x=5 then what is x+1278436-888+946286-x+7+x?

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
4 0
Well if x=5 then you just plug in so 5+<span>1278436-888+946286-5+7+5= 2223846
Just go from left to right when answering this problem.</span>
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Which equation is equivalent to <br> −<br> (<br> 6<br> −<br> x<br> )<br> =<br> 24<br> ?
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(6-x)=24

X=-18

If you subtract a negative number with a positive number it adds them together making it positive (6- -18)=24
8 0
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Write an equation in slope-intercept form for the line with slope -6 and y-intercept 5​
algol [13]

Answer:

y=-6+5

Step-by-step explanation:

5 0
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Read 2 more answers
How do you do this question?
ElenaW [278]

x*y' + y = 8x

y' + y/x = 8 .... divide everything by x

dy/dx + y/x = 8

dy/dx + (1/x)*y = 8

We have something in the form

y' + P(x)*y = Q(x)

which is a first order ODE

The integrating factor is u(x) = e^{\int P(x)dx} = e^{\int (1/x) dx} = e^{\ln(x)} = x

Multiply both sides by the integrating factor (x) and we get the following:

dy/dx + (1/x)*y = 8

x*dy/dx + x*(1/x)*y = x*8

x*dy/dx + y = 8x

y + x*dy/dx = 8x

Note the left hand side is the result of using the product rule on xy. We technically didn't need the integrating factor since we already had the original equation in this format, but I wanted to use it anyway (since other ODE problems may not be as simple).

Since (xy)' turns into y + x*dy/dx, and vice versa, this means

y + x*dy/dx = 8x turns into (xy)' = 8x

Integrating both sides with respect to x leads to

xy = 4x^2 + C

y = (4x^2 + C)/x

y = (4x^2)/x + C/x

y = 4x + Cx^(-1)

where C is a constant. In this case, C = -5 leads to a solution

y = 4x - 5x^(-1)

you can check this answer by deriving both sides with respect to x

dy/dx = 4 + 5x^(-2)

Then plugging this along with y = 4x - 5x^(-1) into the ODE given, and you should find it satisfies that equation.

6 0
3 years ago
How could you use subtraction to find the area of a figure
wel

Answer:

brainly.com/question/7699717

Step-by-step explanation:

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2 years ago
How many 1 degree are in 4/360 of a circle
Grace [21]

Answer:

4 degrees.

Step-by-step explanation:

A complete circle has 360 degrees.

(4/360) of a circle =  (4/360) * 360 degrees = 4 degrees

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