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2 years ago

160% as a decimal Please help

Mathematics

1 answer:

kolezko [41]2 years ago

6 0

Answer:

160/100=1.6

Step-by-step explanation:

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Match solutions and differential equations. Note: Each equation may have more than one solution. Select all that apply. (a) 7y''

Nonamiya [84]

Answer:

a- $e^x,e^{-x}$

b- $x^{-2}$

c- $x^3$

Step-by-step explanation:

a.7 y''-7 y =0

Auxillary equation

$D^2-1=0$

$(D-1)(D+1)=0$

D=1,-1

Then , the solution of given differential equation

$y=e^x,y=e^{-x}$

2. $7x^2y''+14xy'-14 y=0$

Y= $y=x^3$

$y=3x^2$

$y''=6x$

Substitute in the given differential equation

$42x^3+42x^3-14x^3\neq 0$

Hence, $x^3$ is not a solution of given differential equation

$e^x,e^{-x}$ are also not a solution of given differential equation.

y= $x^{-2}$

$y'=-2x^{-3}$

$y''=6x^{-4}$

Substitute the values in the differential equation

$7x^2(6x^{-4})+14x(-2x^{-3})-14 x^{-2}$

= $42x^{-2}-28x^{-2}-14x^{-2}=0$

Hence, $x^{-2}$ is a solution of given differential equation.

c. $7x^2y''-42y=0$

$y=x^3$

$y'=3x^2$

$y''=6x$

Substitute the values in the differential equation

$42x^3-42x^3=0$

Hence, $x^3$ is a solution of given differential equation.

a- $e^x,e^{-x}$

b- $x^{-2}$

c- $x^3$

6 0

2 years ago

Read 2 more answers

1 plus 1 Plus 4 plus 4444 plus 1928 plus 63626

fenix001 [56]

Answer:

70004

Step-by-step explanation:

1+1+4+4444+1928+63626 = 70004

6 0

2 years ago

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Round 199,988 to nearest tenth

Nadusha1986 [10]

Answer: 199,990

Step-by-step explanation:

You can't round to the nearest tenth because you don't have a decimal added to the number.

I rounded to the nearest tens and got 199,990

3 0

2 years ago

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Two bulbs are rated '60 W, 220 V' and '60 W,

erica [24]

110 times 60 and 60 yep

7 0

2 years ago

ILL GIVE BRAINLIEST!! Find the length of AB. 6 in 130° AB = [ 2 ]in

Mnenie [13.5K]

Answer:

Length arc AB = 3.14 in

Step-by-step explanation:

Length of arc AB = central angle/360 * 2πr

Central angle = 30°

Radius (r) = 6 in.

Substitute

Length of arc AB = 30/360 * 2*π*6

Length arc AB = 3.14 in. (Nearest tenth)

6 0

2 years ago