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gulaghasi [49]
3 years ago
6

True or false? all right triangles are isosceles.

Mathematics
2 answers:
-BARSIC- [3]3 years ago
3 0
I think the answer is false
MakcuM [25]3 years ago
3 0
The answer is false. 
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Molly recives 20 mins of homework every night.Her brother says that he gets 10 times as much homework than her and he is in high
mina [271]
I would believe him. it comes down to about 3 hours and some change. i’m in high school and its a reasonable amount.
8 0
3 years ago
Hi guys, can anyone help me with this triple integral? Many thanks:)
Crank

Another triple integral.  We're integrating over the interior of the sphere

x^2+y^2+z^2=2^2

Let's do the outer integral over z.   z stays within the sphere so it goes from -2 to 2.

For the middle integral we have

y^2=4-x^2-z^2

x is the inner integral so at this point we conservatively say its zero.  That means y goes from -\sqrt{4-z^2} and +\sqrt{4-z^2}

Similarly the inner integral x goes between \pm-\sqrt{4-y^2-z^2}

So we rewrite the integral

\displaystyle \int_{-2}^{2} \int_{-\sqrt{4-z^2}}^{\sqrt{4-z^2}} \int_{-\sqrt{4-y^2-z^2}}^{\sqrt{4-y^2-z^2}} (x^2+xy+y^2)dx \; dy \; dz

Let's work on the inner one,

\displaystyle\int_{-\sqrt{4-y^2-z^2}}^{\sqrt{4-y^2-z^2}} (x^2+xy+y^2)dz

There's no z in the integrand, so we treat it as a constant.

=(x^2+xy+y^2)z \bigg|_{z=-\sqrt{4-y^2-z^2}}^{z=\sqrt{4-y^2-z^2}}

So the middle integral is

\displaystyle\int_{-\sqrt{4-z^2}}^{\sqrt{4-z^2}}2(x^2+xy+y^2)\sqrt{4-y^2-z^2} \ dy  

I gotta go so I'll stop here, sorry.

7 0
3 years ago
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A furniture store had a chair that cost $33. After a few months the owner owner took 9% off the price. How much is the chair now
yawa3891 [41]

Answer:

$30.03

Step-by-step explanation:

To find what 9% of 33 is we need to divide 9% by 1

9% ÷ 1 = 2.97

33 - 2.97 = 30.03

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3 years ago
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Simplify the expression by distributing and combining like terms if necessary <br> k + 1/3 (42+48k)
andreyandreev [35.5K]
I think it’s 17k+14.
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3 years ago
Amelia is riding in a hot-air balloon traveling at a speed of about 8 miles per hour. At this speed, about how many miles will t
krek1111 [17]

Answer:

i am pretty sure it is c or d

Step-by-step explanation:

5 0
3 years ago
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