2 years ago

PLEASE HELP URGENT!!!!

Mathematics

1 answer:

Readme [11.4K]2 years ago

4 0

Answer:

i l

Step-by-step explanation:

why u cheated on me

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Please help algebar 2

mylen [45]

Answer:

Step-by-step explanation:

g(5)= (-5)^2 + 5(-2) - 4

25 - 10 - 4

15 - 4 = 11

f(11)= (11)^2 + 2(11) + 3

121 + 22 + 3

143 + 3 = 146

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2 years ago

Hey can you help me round the fallowing numbers to the nearest 10

Juliette [100K]

10
20
30 there u go
that the rounding

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2 years ago

What is x? ............

Sidana [21]

Answer:

Step-by-step explanation:

so we do 2x+5+x-3+3x+1=39

6x+3=39

6x=36

divide by 6 and then x=6

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2 years ago

Pls help thank you :)

Nastasia [14]

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2 years ago

Read 2 more answers

Find the length of l on the curve r(t)=5cos(3t)i-5sin(3t)j+3tk over the interval [3,7]

stealth61 [152]

$\mathbf r(t)=5\cos3t\,\mathbf i-5\sin3t\,\mathbf j+3t\,\mathbf k$
$\mathrm d\mathbf r(t)=\mathbf r'(t)\,\mathrm dt=(-15\sin3t\,\mathbf i-15\cos3t\,\mathbf j+3\,\mathbf k)\,\mathrm dt$

$\displaystyle\int_C\mathrm d\mathbf r(t)=\int_{t=3}^{t=7}\|\mathbf r'(t)\,\mathrm dt\|=\int_{t=3}^{t=7}\sqrt{225\sin^23t+225\cos^23t+9}\,\mathrm dt$
$=\displaystyle3\sqrt{26}\int_{t=3}^{t=7}\mathrm dt$
$=12\sqrt{26}$

4 0

3 years ago