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Kazeer [188]
4 years ago
13

Solve the differential equation by variation of parameters, subject to the initial conditions y(0) = 1, y'(0) = 0. 9y'' − y = xe

x/3

Mathematics
1 answer:
AysviL [449]4 years ago
5 0
Try this solution. If it is possible, check arithmetic part.

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Destiny grew 15 plants with 3 seed packets. How many seed packets does Destiny need to have a total of 65 plants in her backyard
Alexandra [31]

Answer: she would have to use 5 seed packets

This is because every seed packet has 15 plants so 15 x 5 would equal 75

If you only use 4 packets you would be short 5 plants so you have to add another packet to get all 65 plants

7 0
3 years ago
Find tan of 45 degrees
Arturiano [62]

Answer:

tan(45°) = 1

Step-by-step explanation:

We know that sin (45°) = √2/2, and cos(45°) = √2/2.

Given that tan(x) = sen(x) / cos(x), we get:

tan(45°) = (√2/2) / (√2/2) = 1

Therefore, tan(45°) = 1

Attached you will find the important angles summary

6 0
3 years ago
How fast will the train cover 290 miles if its speed is s miles per hour?
adoni [48]

Answer:

290/s

Step-by-step explanation:

Basically, the question is asking you to find:

290/s miles per hour

The only problem is translating words to math.

Hope this helps!

5 0
3 years ago
A sum of Rs 135 is divided into two parts. If the greater part exceeds the smaller by Rs 25,find the parts of the sum.
Alchen [17]

The parts of the sum are 55 and 80.

Step-by-step explanation:

Let,

'x' be the smaller part and

'y' be the greater part of the number.

The sum is x+y = 135.   --------(1)

The greater part y = x+25.  ---------(2)

Substitute (2) in (1),

⇒ x+(x+25) = 135

⇒ 2x+25 = 135

⇒ 2x = 110

⇒ x= 110/2

x = 55

The smaller part is 55.

Substitute x=55 in (2)

y = 55+25 = 80

The greater part is 80.

8 0
4 years ago
Which is the simplified from of p0
tiny-mole [99]
For this case we have the following expression:
p ^ 0
By properties of exponents we have:
Any number raised to the exponent zero is equal to one.
We have then, that applying this property:
p ^ 0 = 1
Answer:
the simplified form of p ^ 0 is:
D. 1
3 0
3 years ago
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