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2 years ago

What is an equivalent expression to 3(4m-2)-2(m+5)

Mathematics

1 answer:

Pavel [41]2 years ago

8 0

Answer:

10m - 16

It's basically the same thing but simplified to make it easier to solve.

Step-by-step explanation:

3(4m-2)-2(m+5)

Distribution

12m-6-2m-10

Combining Like Terms

10m-16

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4> Solve by using Laplace transform: y'+5y'+4y=0; y(0)=3 y'(o)=o

harina [27]

Answer:

$y=3e^{-4t}$

Step-by-step explanation:

$y''+5y'+4y=0$

Applying the Laplace transform:

$\mathcal{L}[y'']+5\mathcal{L}[y']+4\mathcal{L}[y']=0$

With the formulas:

$\mathcal{L}[y'']=s^2\mathcal{L}[y]-y(0)s-y'(0)$

$\mathcal{L}[y']=s\mathcal{L}[y]-y(0)$

$\mathcal{L}[x]=L$

$s^2L-3s+5sL-3+4L=0$

Solving for $L$

$L(s^2+5s+4)=3s+3$

$L=\frac{3s+3}{s^2+5s+4}$

$L=\frac{3(s+1)}{(s+1)(s+4)}$

$L=\frac3{s+4}$

Apply the inverse Laplace transform with this formula:

$\mathcal{L}^{-1}[\frac1{s-a}]=e^{at}$

$y=3\mathcal{L}^{-1}[\frac1{s+4}]=3e^{-4t}$

7 0

2 years ago

suppose that the population of deer in a state is 1,500 and is growing 2% each year. Predict the population after 4 years

Neko [114]

1500(1+0.02)^4=1,623.64824

6 0

2 years ago

Need help ASAP

Westkost [7]

Answer:

1.333 repeated

Step-by-step explanation:

8 0

2 years ago

100% as a fraction in simplest form

sergey [27]

Answer:

Step-by-step explanation:

100/100 =

srry if wrong but

hope this helps

take care

7 0

2 years ago

2(7m−5)+(−8+9m)=?

Anna [14]

Answer:

23m-18

Step-by-step explanation:

2(7m−5)+(−8+9m)

Remove parenthesis

2(7m-5)-8+9m

expand

14m-10

14m-10-8+9

simplify

23m-18

Ask me for more questions brainliest please.

8 0

2 years ago