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german
3 years ago
12

Match the following differential equations with their solutions. The symbols A, B, C in the solutions stand for arbitrary consta

nts. You must get all of the answers correct to receive credit.
1. dx2d2y+4y=0
2. dxdy=−2xyx2−2y2
3. dx2d2y+14dxdy+49y=0
4. dxdy=4xy
5. dxdy+21x2y=21x2
Mathematics
1 answer:
aleksley [76]3 years ago
4 0

Answer:1

Step-by-step explanation:

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insens350 [35]

Answer:

<h3>            Jake is 13 years old</h3>

Step-by-step explanation:

D      - age of Dani

J = D+2    - age of Jake

E = 2J = 2(D+2) = 2D+4    - age od Ethan

Z = 2E = 2(2D+4) = 4D+8    - age of Zoe

The sum of their ages is 102:

     D  +  J  +  E  +  Z  = 102

D + D+2 + 2D+4 + 4D+8 = 102

     8D + 14 = 102

         -14          -14

      8D  =  88

      ÷8        ÷8

      D = 11

J = 11+2 = 13

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3 years ago
Typing 731 words in 17 minutes
BaLLatris [955]

Answer:

im just testing this but if you did that you would be slow as heck.

Step-by-step explanation:

17 minutes is decent so...

8 0
3 years ago
If f(x) = x and g(x) = 2x + 7, what is<br>f[90X)] when g(x) = 11?​
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\bf \begin{cases} f(x) = x\\ g(x) = 2x+7 \end{cases}~\hspace{7em}g(x)=11\implies \stackrel{g(x)}{11}=2x+7 \\\\\\ 4=2x\implies \cfrac{4}{2}=x\implies \implies \boxed{2=x} \\\\[-0.35em] ~\dotfill\\\\ f[90x]\implies f\left[90\left( \boxed{2} \right)\right]\implies f(180)=\stackrel{x}{180}

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Plz help! Convert 6/9 into fractions with a denominater of 27 A. 6/7 B.21/27 C. 9/27 D.18/27
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D. 6 x 3 = 18 and 9 x 3 = 27, hope this helps :)
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Is 8 cm larger than 3/8 inch
Hoochie [10]
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