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3 years ago

Find value of x in the triangle

Mathematics

2 answers:

Mkey [24]3 years ago

6 0

Look at the attached picture⤴

Hope this will help u...:)

Alex_Xolod [135]3 years ago

5 0

Answer:

The answer is 55°

#Hope it helps uh......✌✌

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What is 22+54x=-20+60x

krek1111 [17]

Answer:

Step-by-step explanation:

22+54x=20+60x

54x=-42+60x

-6x=-42

x=7

4 0

3 years ago

(15 pts) 4. Find the solution of the following initial value problem: y"-10y'+25y = 0 with y(0) = 3 and y'(0) = 13

jolli1 [7]

Answer:

$y(x)=3e^{5x}-2xe^{5x}$

Step-by-step explanation:

The given differential equation is $y''-10y'+25y=0$

The characteristics equation is given by

$r^2-10r+25=0$

Finding the values of r

$r^2-5r-5r+25=0\\\\r(r-5)-5(r-5)=0\\\\(r-5)(r-5)=0\\\\r_{1,2}=5$

We got a repeated roots. Hence, the solution of the differential equation is given by

$y(x)=c_1e^{5x}+c_2xe^{5x}...(i)$

On differentiating, we get

$y'(x)=5c_1e^{5x}+5c_2xe^{5x}+c_2e^{5x}...(ii)$

Apply the initial condition y (0)= 3 in equation (i)

$3=c_1e^{0}+0\\\\c_1=3$

Now, apply the initial condition y' (0)= 13 in equation (ii)

$13=5(3)e^{0}+0+c_2e^{0}\\\\13=15+c_2\\\\c_2=-2$

Therefore, the solution of the differential equation is

$y(x)=3e^{5x}-2xe^{5x}$

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3 years ago

Where does the parentheses go in 3+6 ×9+3 to made a total of 84

chubhunter [2.5K]

Answer:

Around the 3 + 6:-

(3 + 6) x 9 + 3

Step-by-step explanation:

(3 + 6) x 9 + 3

= 9 x 9 + 3

= 84.

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svetoff [14.1K]

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3 years ago

What's a Fibonacci sequence?

Licemer1 [7]

Hello :)

A Fibonacci Sequence is a series of number . It is the sum of two preceding numbers.

Hope this helps <33

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4 years ago

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