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Irina18 [472]
3 years ago
14

X/9=4/y=y/36 solve for x

Mathematics
1 answer:
Vlada [557]3 years ago
4 0
This is not possible, unless x = 1.
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8th grade geometry-- will give 15 pts+ brainliest!!!!!!!!!!!! For this question i put reflection over the y axis, reflection ove
Alla [95]

Answer:

you also have to translate 3 units to the right

Step-by-step explanation:

when you finished your reflections the coordinate of the point is (1, -1) while it should be (4, -4), that means you not only need to move it by 3 down but also to the right.

4 0
2 years ago
Read 2 more answers
Find the half range Fourier sine series of the function
worty [1.4K]
The full range is -\pi (length 2L=2\pi), so the half range is L=\pi. The half range sine series would then be given by

f(x)=\displaystyle\sum_{n\ge1}b_n\sin\dfrac{n\pi x}L=\sum_{n\ge1}b_n\sin nx

where

b_n=\displaystyle\frac2L\int_0^Lf(x)\sin\dfrac{n\pi x}L\,\mathrm dx=\frac2\pi\int_0^\pi(\pi-x)\sin nx\,\mathrm dx

Essentially, this is the same as finding the Fourier series for the function

\begin{cases}g(x)=\begin{cases}\pi-x&\text{for }0

Integrating by parts yields

b_n=\dfrac2\pi\left(\dfrac\pi n-\dfrac{\sin n\pi}{n^2}\right)=\dfrac2n

So the half range sine series for this function is simply

f(x)=\displaystyle\sum_{n\ge1}\frac{2\sin nx}n
5 0
3 years ago
Surri solved the equation x ^ 2 equals 49 and found that x equals 7 what error did Suro make
denpristay [2]
It does not look like Suro even made an error. She took the square root of both sides to get x = 7, I don't see any problem here.
7 0
3 years ago
Read 2 more answers
Can anybody help with this pls :)
klasskru [66]

Answer:

54 degrees

Step-by-step explanation:

4x + 6 + 11x - 6 = 180

Then solve

7 0
3 years ago
How to solve this? Please explain your answer! Thanks!
Murrr4er [49]

Answer:

The mean.

Step-by-step explanation:

I would use the mean as the measure of central tendency.

It is the best representation of the data as the variability isn't high; I'd only use the median if outliers are present because outliers don't affect it.

Because there are no outliers here, the mean is better.

Hopefully I helped :)

4 0
3 years ago
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