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4 years ago

What is tan 30°?30°

Mathematics

1 answer:

schepotkina [342]4 years ago

7 0

Answer:

i think its =0.5773502692

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Find the number for which: 25% is a lb

Taya2010 [7]

.25
You just move the decimal forward 2 spaces

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4 years ago

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Nick bought 2.5 pounds of popcorn for $8.35 how much did he pay for each pound of popcorn

marta [7]

Answer:

$3.34 for each pound of popcorn

Step-by-step explanation:

All we must do, in this case, is divide 8.35 by 2.5.

This equals 3.34.

Therefore, each pound of popcorn cost $3.34.

Don't believe me? To check, just multiply 3.34 by 2.5.

Please let me know if you need help with anything else. :)

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3 years ago

A local farm grows strawberries, blueberries, and raspberries.

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Step by step explanation:

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3 years ago

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The product of 3 and a number X is 2/3 what is the value of X

ANEK [815]

Answer:

x = 2/9

Step-by-step explanation:

3x = 2/3

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x = 2/9

Check:

3*2/9 = 2/3

6/9 = 2/3

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3 years ago

Find the area of the surface. the part of the hyperbolic paraboloid z = y2 − x2 that lies between the cylinders x2 + y2 = 16 and

meriva

Parameterize the surface (call it $\mathcal S$ ) by

$\mathbf s(u,v)=\langle u\cos v,u\sin v,u^2\sin^2v-u^2\cos^2v\rangle=\langle u\cos v,u\sin v,-u^2\cos2v\rangle$

with $4\le u\le5$ and $0\le v\le2\pi$ , which yields

$\mathrm dS=\|\mathbf s_u\times\mathbf s_v\|\,\mathrm du\,\mathrm dv=u\sqrt{1+4u^2}\,\mathrm du\,\mathrm dv$

Then the area of $\mathcal S$ is given by the surface integral

$\displaystyle\iint_{\mathcal S}\mathrm dS=\int_{v=0}^{v=2\pi}\int_{u=4}^{u=5}u\sqrt{1+4u^2}\,\mathrm du\,\mathrm dv=\dfrac{(101^{3/2}-65^{3/2})\pi}6$

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3 years ago

What is tan 30°?30°​

What is tan 30°?30°