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photoshop1234 [79]
3 years ago
12

Easy question plz help​

Mathematics
2 answers:
densk [106]3 years ago
6 0

Answer: 18

Step-by-step explanation:

9+9

Tatiana [17]3 years ago
6 0

Answer:

18 choice C

Step-by-step explanation:

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How to find the general solution to y"'+2y"-4y'-8y=0?
S_A_V [24]
y'''+2y''-4y'-8y=0

has characteristic equation

r^3+2r^2-4r-8=r^2(r+2)-4(r+2)=(r^2-4)(r+2)=(r-2)(r+2)^2=0

which has roots at r=\pm2. The negative root has multiplicity 2. So the general solution is

y=C_1e^{2x}+C_2e^{-2x}+C_3xe^{-2x}
8 0
3 years ago
Write an absolute value function that is reflected over the x axis, moved left 2 units and up 5 units
MrMuchimi

Answer:

I really don't know i don't care

Step-by-step explanation:

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4 0
2 years ago
Mai bought a soccer ball and 2 pairs of shorts. how much will she pay for everything including tax? what information will you ne
Andre45 [30]

Answer:

You would need to find out the cost of the soccer ball and the price for shorts. Then you will need to find out how  much tax she will pay.

Step-by-step explanation:

5 0
3 years ago
Number 13 please. I know the answer is 20 I just don’t know how to get there
Rudiy27

4/20 is 0.20, which is equivalent to 20%.


Remember that 1.0=100%, 0.5=50%, 0.2=20%, 0.05=5%, and so on.

4 0
3 years ago
Read 2 more answers
If d is 55 degrees then what is F and E degrees. Explain how you know​
kipiarov [429]

Answer:

F=55

E=70

Step-by-step explanation:

The total degree of a triangle is 180.

So we have 180-55*2

E=180-110

E=70

8 0
3 years ago
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