3 years ago

I hope it’s clear enough but can some please help

Mathematics

1 answer:

Liula [17]3 years ago

6 0

Answer:

Step-by-step explanation:

hope this helps you! have a good day!

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Travis sketches a scale drawing of his favorite race car. The scale he uses is 1 centimeter equals 1/4 foot. If the length of th

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16 because 1= 1 x 1/4 foot so 64= 64 x 1/4 foot

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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

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Ghella [55]

X=10 is the answer to this

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3 years ago

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Terrance is 3.5 years older than Stephanie. Stephanie is 22.5 years old.

LuckyWell [14K]

Answer:

Terrance is 25.5

Step-by-step explanation:

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3 years ago

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I need help asap with this

tatyana61 [14]

Answer:

51°

Step-by-step explanation:

Given

<QPR = 39°

<PQR = 90° ( inscribed angle in semi circle)

Now

<QPR + <PQR + <PRQ = 180° { being sum of angles of triangle)

39° + 90° + <PRQ = 180°

<PRQ = 180° - 39° - 90°

<PRQ = 51°

Hope it will help :)

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2 years ago