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VLD [36.1K]
3 years ago
10

It snowed 4.22 inches on Monday and 0.9 inches on Tuesday. How much did it snow Monday and Tuesday combined?

Mathematics
1 answer:
motikmotik3 years ago
5 0

Answer:

5.12 inches

Step-by-step explanation:

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A scatterplot is shown on the graph below. Which of these could be the line of best fit? x = 100 y = 100 y = x – 100 y = x + 100
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55 when y dived and subtracting

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3 years ago
If a triangle is equilateral, then all the sides in the triangle are congruent.If all the sides in a triangle are congruent, the
maw [93]

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Where's the question?

Step-by-step explanation:

3 0
2 years ago
It looks so simple but all the other choices are mixing my thoughts up. please help me
Eva8 [605]
It would be C because the 40° is acute and the last degree is obtuse
7 0
3 years ago
Read 2 more answers
Find a particular solution to the nonhomogeneous differential equation y'' + 4 y = cos(2x) + sin(2x).
alukav5142 [94]
The characteristic solution follows from solving the characteristic equation,

r^2+4=0\implies r=\pm2i

so that

y_c=C_1\cos2x+C_2\sin2x

A guess for the particular solution may be a\cos2x+b\sin2x, but this is already contained within the characteristic solution. We require a set of linearly independent solutions, so we can look to

y_p=ax\cos2x+bx\sin2x

which has second derivative

{y_p}''=(-4ax+4b)\cos2x+(-4bx-4a)\sin2x

Substituting into the ODE, you have

y''+4y=\cos2x+\sin2x
\implies4b\cos2x-4a\sin2x=\cos2x+\sin2x
\implies\begin{cases}4b=1\\-4a=1\end{cases}\implies a=-\dfrac14,b=\dfrac14

Therefore the particular solution is

y_p=-\dfrac14x\cos2x+\dfrac14x\sin2x

Note that you could have made a more precise guess of

y_p=(a_1x+a_0)\cos2x+(b_1x+b_0)\sin2x

but, of course, any solution of the form a_0\cos2x+b_0\sin2x is already accounted for within y_c.
6 0
2 years ago
Any suggestions or answers
zhuklara [117]
C because if you look at it 1 1/4 it passes 2 1/4 so you know it’s gonna be 1 something and 2 1/2 is one after 2 1/4 so to get to 3 1/4 that would be 3 so 1 1/4 is the answer... if that make sense if not I can write it out to you and send a picture of how it’s worked out
3 0
3 years ago
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