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2 years ago

13

-9(-5k+3m) +9m-5(-5m+9k)

1 answer:

liraira [26]2 years ago

3 0

Answer:

the ansmwer is * grabs a notebook and doodle the equation* hmm.. it is 7m

happy to help!!!

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Express 6^1/3 in simplest radical form.

seropon [69]

<em>Greetings from Brasil</em>

From radiciation properties:

$\large{A^{\frac{P}{Q}}=\sqrt[Q]{A^P}}$

bringing to our problem

$\large{6^{\frac{1}{3}}=\sqrt[3]{6^1}}$

<h2>∛6</h2>

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3 years ago

Mrs. Hanger is painting the following picture of an H to hang in the entryway of her home. She has made the following scale draw

77julia77 [94]

Answer:

40 square inch

Step-by-step explanation:

1/2+1/2= 1

1+1=2

2times 4= 8

8times 5= 40

if the problem has inches in it,

the answer will always equal to a square-inch

8 0

2 years ago

Read 2 more answers

Problem1 The behavior of a physical system can be described by the following first order differential equation: dy/dt=2y +t^2

daser333 [38]

Answer:

$y = \dfrac{t^3e^{2t}}{3}+Ce^{2t}$ .

Step-by-step explanation:

Using first order linear differential equation:

$\dfrac{\mathrm{d} y}{\mathrm{d} t} = 2y + t^2$

$\frac{\mathrm{d} y}{\mathrm{d} t} - 2y =t^2$

finding integrating factor:

I.F = $e^{\int -2dt}$

I.F = $e^{-2t}$

now,

$y = \dfrac{1}{IF}(\int t^2dt+ c )$

$y = \dfrac{1}{e^{-2t}}(\int t^2dt+ c )$

$y = \dfrac{t^3e^{2t}}{3}+Ce^{2t}$

hence the solution is

$y = \dfrac{t^3e^{2t}}{3}+Ce^{2t}$

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Answer:

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Step-by-step explanation:

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2 years ago

A car traveling south is 200 kilometers from its starting point after 2 hours. What is the average velocity of the car?

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D. 100 kilometers/hour

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3 years ago