3 years ago

A boat travels at a rate of 25 miles, m, per hour, h. which equation represents this scenario?

Mathematics

2 answers:

son4ous [18]3 years ago

6 0

The correct answer is A

rosijanka [135]3 years ago

4 0

Answer:

A will be the answer

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What is the answer to -15+(-9)=

bearhunter [10]

( -15 ) + ( -9 )

= -24

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3 years ago

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What is the volume, in cubic centimeters, of a rectangular prism with a height of 18 centimeters, a width of 9 centimeters, and

GenaCL600 [577]

Answer: 810 cm^3

Step-by-step explanation:

v= lwh

v= 5 * 9 *18

v= 810

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3 years ago

at 2 P.M the level of the water in the pool was 10 feet. At 6 P.M the level of water was 2 feet. Find the constant rate of chang

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3 years ago

-3p-(-8+4p) combining like terms & distributive property

Nutka1998 [239]

Work: -3p-(-8+4p)
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3 years ago

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Given: y" - 2y' = 6t + 5e^2t. Find the correct form to use for y_p if the equation is solved using Undetermined coefficients. Do

const2013 [10]

Answer:

$y_p=A+Bt+Ce^{2t}$

Step-by-step explanation:

Given: $y'' - 2y' = 6t + 5e^{2t}$ .

we need to find the correct form for $y_p$ if the equation is solve using undetermined coefficients.

A first order differential equation $\frac{\mathrm{d} y}{\mathrm{d} x}=f\left ( x,y \right )$ is said to be homogeneous if $f(tx,ty)=f(x,y)$ for all t.

Consider homogeneous equation $y''-2y'=0$

Let $y=e^{rt}$ be the solution .

We get $(r^2-2r)e^{rt}=0$

Since $e^{rt}\neq 0$ , $r^2-2r=0$ .

So, we get solution as $y_c=c_1+c_2e^{2t}$

As constant term and $e^{2t}$ are already in the R.H.S of equation

$y" - 2y' = 6t + 5e^{2t}$ , we can take $y_p$ as $y_p=A+Bt+Ce^{2t}$

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3 years ago