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Zepler [3.9K]
3 years ago
14

By which integer 20 must be divided to get the quotient -20?

Mathematics
2 answers:
Agata [3.3K]3 years ago
8 0

Answer:

-1

Step-by-step explanation:

20 / -1 = -20

photoshop1234 [79]3 years ago
6 0
Yeah the answer would be -1
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Answer:

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Step-by-step explanation:

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8 0
2 years ago
Write one word problem using arithmetic sequences and another using geometric sequences.
Levart [38]
Hey There!

If i got this down right,
An = A1 + (n - 1)d
Sn = A1 + A2 + A3 + ... + An
A1 is given by
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For Example

An = A1 + (n - 1)d
= 6 + 3 (n - 1)
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Hope This Helps!!!
5 0
3 years ago
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Given: y" - 2y' = 6t + 5e^2t. Find the correct form to use for y_p if the equation is solved using Undetermined coefficients. Do
const2013 [10]

Answer:

y_p=A+Bt+Ce^{2t}

Step-by-step explanation:

Given: y'' - 2y' = 6t + 5e^{2t}.

we need to find the correct form for y_p if the equation is solve using undetermined coefficients.

A first order differential equation \frac{\mathrm{d} y}{\mathrm{d} x}=f\left ( x,y \right ) is said to be homogeneous if f(tx,ty)=f(x,y) for all t.

Consider homogeneous equation y''-2y'=0

Let y=e^{rt} be the solution .

We get (r^2-2r)e^{rt}=0

Since e^{rt}\neq 0, r^2-2r=0.

So, we get solution as y_c=c_1+c_2e^{2t}

As constant term and e^{2t} are already in the R.H.S of equation

y" - 2y' = 6t + 5e^{2t}, we can take y_p as y_p=A+Bt+Ce^{2t}

6 0
3 years ago
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4 0
3 years ago
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4 0
3 years ago
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