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gladu [14]
3 years ago
13

Solve: y" + 14y' + 49y = 8xe^-7x

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
8 0
The answer is 7x^2e-/8

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Which of the following options is a root of the function? f(x) = (3x + 5) (x2 - 6x + 9)2
Alika [10]

Answer:

The roots of the function are x = -5/3 and 3. Select these.

Step-by-step explanation:

The roots of the function are the solutions to the function. They are also called the x-intercepts or zeros. To find them, factor the function completely and solve using the zero product property.

f(x) = (3x+5)(x2-6x+9)2 becomes f(x) = (3x+5)(x-3)^2

Set each factor equal to 0 and solve for x.

(3x+5)=0

3x = -5

x = -5/3

(x-3)^2 = 0

x - 3=0

x = 3

3 0
3 years ago
If n is the square root of a positive integer, and is divisible by both 2 and 6, what is the least possible value of n?
Paraphin [41]
6 is the square root of 36 and is divisible by 2 and 6. 
6 0
3 years ago
When ABC was dialed by a scale factor of 2, centered at the origin, the result was its image A'B'C' shown on the coordinates pla
sweet-ann [11.9K]

Answer:

Step-by-step explanation:

In dilation, the image and the original are similar, in that they are the same shape but not necessarily the same size. They are not congruent because that requires them to be the same shape and the same size, which they are not (scale factor is 2)

vertices of ABC are A(-2,2), B(-2,3), and C(1,2)

If we multiply by 2 from original to image,

then from image to original we divide by 2

4 0
3 years ago
a piece of yellow yarn was 230 inches long. after 90 inches had been cut from it, the piece of yellow yarn was twice as long as
AlladinOne [14]

The yellow yarn was 160 inches longer than the blue yarn.

https://www.cpsb.org/site/handlers/filedownload.ashx?moduleinstanceid=8283&dataid=7357&FileName=4.HW.17.pdf

7 0
3 years ago
What is the area of the triangle below?<br> 18
Alborosie

Answer:

D. 32 sq. unit s

Step-by-step explanation:

4×18/2=32

3 0
3 years ago
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