2 years ago

Help!! Best answer gets brainliest

Mathematics

1 answer:

Nimfa-mama [501]2 years ago

5 0

Use trigonometry and triangle congruency rules to find X

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Help please this is hard i'll mark you the brainlyest!

melomori [17]

Answer:

Step-by-step explanation:

c, because if you're doing a percentage of kids who bring lunches you need to do every grade level and every student to get a proper percentage

3 0

3 years ago

Find the surface area of the part of the sphere x2+y2+z2=81 that lies above the cone z=x2+y2−−−−−−√

TiliK225 [7]

Parameterize the part of the sphere by

$\mathbf s(u,v)=(9\cos u\sin v,9\sin u\sin v,9\cos v)$

with $0\le u\le2\pi$ and $0\le v\le\dfrac\pi4$ . Then

$\mathrm dS=\|\mathbf s_u\times\mathbf s_v\|=81\sin v\,\mathrm du\,\mathrm dv$

So the area of $S$ (the part of the sphere above the cone) is given by

$\displaystyle\iint_S\mathrm dS=81\int_{v=0}^{v=\pi/4}\int_{u=0}^{u=2\pi}\sin v\,\mathrm du\,\mathrm dv=81(2\pi)\left(1-\dfrac1{\sqrt2}\right)=(162-81\sqrt2)\pi$

4 0

3 years ago

A team of rum runners is needed to run a 1/4 mile relay race if each runner must run 1/16 mile how many runners will be needed

mina [271]

You should multiply and than simplify

6 0

2 years ago

If I needed to drive 250 miles with the rental car, which company should I rent from to

marusya05 [52]

There's not any options, but you should rent from a company who's interest rates are most affordable for the amount of days or miles it would take for you 250 miles

5 0

3 years ago

In the diagram, the distance from A to B is 4 inches. Find the actual distance if the scale is 1 in:6 mi

aksik [14]

1 inch = 6 miles
4 inches = ? miles

1 = 6
2 = 12
3 = 18
4 = ?

6 0

3 years ago