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inna [77]
1 year ago
9

Differential equations dy/dx = e^x-y

Mathematics
1 answer:
MA_775_DIABLO [31]1 year ago
5 0

\frac{dy}{dx}=e^{x-y} \\ \\ \frac{dy}{dx}=\frac{e^{x}}{e^{y}} \\ \\ e^{y} \text{ } dy=e^{x} \text{ } dx \\ \\ \int e^{y} \text{ } dy=\int e^{x} \text{ } dx \\ \\ e^{y}=e^{x}+C \\ \\ \boxed{y=\ln \left(e^{x}+C \right)}

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Instructions: The polygons in each pair are similar. Find the<br> missing side length.
loris [4]

Answer:

missing side length is 12

Step-by-step explanation:

similar means that all correlating pairs of sides have the same ratio (old side length) / (new side length).

so, when we know the ratio of one pair, we can apply it to any other side to calculate the correlating side.

we see, when we go from small to large, that we have the ratio 32/40 = 4/5.

so, multiplying the larger side by this, we get the shorter side.

15 × 4/5 = 3 × 4 = 12

the proportion part in your picture is a bit confusing :

yes,

x/15 = 32/40 = 32/40

I don't know, why this last expression was repeated.

x/15 = 32/40

x = 15×32/40 = 15×4/5 = 3×4 = 12

as you see we get of course the same result doing it that way.

3 0
2 years ago
Ling must spend no more than $40.00 on decorations for a party. She has spent $10.00 on streamers and wants to buy bags of ballo
Mumz [18]
A, She can buy from 0 to 12 bags, but no more.
4 0
3 years ago
I Prove that Cos(90-θ)/1+sin(90-θ) +1+sin(90-θ) /cos(90-θ) =2
USPshnik [31]
Okay,

so first you gotta know that cos(90-x) is equal to sinx and sin(90-x) is equal to cosx!!
Now all you gotta do is replace the cos(90-x) to sinx in the numerator and sin(90-x) to cosx in the denomenator inorder to make the numerator all into sin and denomenator all into cos.
After that, open up the brackets and solve...
At the end you'll hopefully get something like this :( 1+sin90 ÷ 1+cos90 )
And since sin90 is 1 (put it in the calculator!) and cos90 is 0, you'll get 2÷1 which is equals to 2!!

Hope this helped!  :)
6 0
3 years ago
Read 2 more answers
What is 224 blocks with 8 blocks in each row how many rows would I make
NikAS [45]
You will need 28 rows because if you divide 224 by 8 you would get 28 (:
3 0
3 years ago
25 POINTS!!!
malfutka [58]

Answer:

C≈61.89

C=3830.37

Step-by-step explanation:

A≈615.75

7 0
2 years ago
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