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Vinil7 [7]
3 years ago
9

Anyone smart in geometry???

Mathematics
1 answer:
Semenov [28]3 years ago
5 0
Have you read the directions ? Or do you want me to give you the answer ?
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State whether each of the following questions can or cannot be used to collect statistical information. provide an explanation f
uysha [10]

I usually spend 1-2 hours on homework because ive been working on memorizing a speech lately so its pretty hard for me

uhh there was a lot of different prices.

My brother and i like soccer and so does my older cousin kenny but me and my brother and mom dont really play but if we do then we play in our back yard and its really fun!!!!

8 0
3 years ago
Simplify the expression. 4x^10y^-3/12x^-2y
pogonyaev

Answer:

x^8/3y^2

Step-by-step explanation:

6 0
3 years ago
Find the general solution of the given differential equation.y^(4)+18y"+81y=0
kotykmax [81]

Answer:

The general solution of the given differential equation

y =  ( c_{1} + c_{2} x ) cos3 x + (  c_{3} +c_{4} x) sin3 x

Step-by-step explanation:

Step(I):-

Given differential equation

                                   y⁴+18y"+81y=0

                         ⇒    (D⁴+18D²+81)y =0

The auxiliary equation

                               m^4+18m^2+81 =0

                              (m^2)^{2} + 2 (9) m^{2} +(9)^2 = 0

        we will use formula  ( a + b)² = a² + 2 a b + b²    

                  ⇒    ( m² + 9 ) ² = 0

                   ⇒    ( m² + 9 ) ( m² + 9 ) = 0

                      m^{2} =-9\\m= - 3i and m=3i

            m² + 9 = 0      

      m² = -9\\m= -3i and m=3i

The complex roots are   0± 3 i ,0 ± 3 i

<em>Step(ii)</em>:-

The complementary function  

              y = e^{\alpha x } ( c_{1} + c_{2} x ) cos\beta x + (  c_{3} +c_{4} x) sin\beta x

The general solution of the given differential equation

          y = e^{0 x } ( c_{1} + c_{2} x ) cos3 x + (  c_{3} +c_{4} x) sin3 x

The general solution of the given differential equation

   y =  ( c_{1} + c_{2} x ) cos3 x + (  c_{3} +c_{4} x) sin3 x    



             



3 0
3 years ago
Challenge Andy and Emily each go to a hardware store to buy wire. The
iVinArrow [24]

Answer:

Andy will spend 276y

Emily will spend 540y

Step-by-step explanation:

So for all intents and purposes, x=y

12 inches per 1 foot

3 feet per one yard

Andy:

23ft. needed

12*23=276

Will by 276 inches or 276x

Emily

15yards needed

15*3*12=540

Will by 540 inches or 276x

4 0
3 years ago
I nedd help can anyone ansewer fast please
pashok25 [27]
18. just subtract 49.6 from 54. 54 - 49.6=4.4 He most lose 4.4 pounds. 
19. all you need to do is add 4.6 to 83. 83+4.6=87.6 She will weigh 87.6 pounds
20. divide 910 by 7. 910÷7=130 The dog ate 130 grams per day
21. multiple 4.95 by 5. 4.95×5=24.75 Her total bill was 24.75
22. subtract 12.96 from 20. 20-12.96=7.04 Her change was 7.04
3 0
3 years ago
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