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Darina [25.2K]
3 years ago
15

Plz I need by tonight

Mathematics
1 answer:
bogdanovich [222]3 years ago
4 0

Answer: Yes


Step-by-step explanation: 4x5 is 20 + 2 is 22 then when you multiply that by 9 you get 198

36x5 is 180 + 18 is 198

Both answers equal each other


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If a=7 and b+c=67, find a²+ab+ac
Stels [109]

Hope this will help..........

6 0
2 years ago
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Consider the differential equation y'' − y' − 30y = 0. Verify that the functions e−5x and e6x form a fundamental set of solution
Alex Ar [27]

Answer:

Step-by-step explanation:

We have to take the derivatives for both functions and replace in the differential equation. Hence

for y=e^{-5x}:

y(x)=e^{-5x}\\y'(x)=-5e^{-5x}\\y''(x)=25e^{-5x}\\

for y=e^{6x}:

y(x)=e^{6x}\\y'(x)=6e^{6x}\\y''(x)=36e^{6x}\\

Now we replace in the differential equation  y'' − y' − 30y = 0

for y=e^{-5x}:

25e^{-5x}+5e^{-5x}-30e^{-5x}=0\\25+5-30=0

for y=e^{6x}:

36e^{6x}-6e^{6x}-30=0\\36-6+30=0

Now, to know if both function are linearly independent we calculate the Wronskian

W(f,g)=fg'-f'g

W(e^{-5x},e^{6x})=(e^{-5x})(6e^{6x})-(-5e^{-5x})(e^{6x})\neq 0

I hope this is useful for you

Best regard

7 0
3 years ago
-7+82*78-67^6+5-4/6=?<br><br> sufferrrrrrrrrr!
mixas84 [53]

Answer:

-90458375775.7

Step-by-step explanation:

yes

8 0
2 years ago
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PLEASE HELP URGENT!!!!
Lapatulllka [165]

Answer:

Australia will have about 27 million

China will have about 1.41 billion

Mexico will have 133.35 million

Zaire will have about 100.9 million

Australia 2000 19,169,200 multiply your growth rate by 2 then divide it by your population your growth rate

China 1.2 billion in 2000 multiply your growth rate by 2 then divide it by your population your growth rate

Same for Mexico

and Zaire

5 0
2 years ago
Another one bites the dust, plz help i give brainliest :)
Leya [2.2K]

Answer:

answer is 26.6%

Step-by-step explanation:

i first converted the fraction "40/150" to a decimal by dividing 40 by 150

40 divided by 150 is .26 (rounded)

and then i did .26 times 100

which gave me 26.6

:P hope this helped even doe im kinda late-

8 0
3 years ago
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