HOMEWORK help center ||HWH||open!

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Re: HOMEWORK help center ||HWH||open!

Postby Munin » Sun May 08, 2016 8:31 am

ranch dressing wrote:
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TYPE OF QUESTION: Math
YOUR QUESTION: Mrs. smith's class planted 1200 pea plants. Due to a lack of water, 2/3 of the plants died. How many of these plants died?

It seems like an easy question, but it has me and my sister stumped for some reason?
I'm thinking it's 800, but I can't back this up. My sister was asking help with her homework.

    1200/3 = 400 - a third of the total amount of plants is 400 plants
    2*400 = 800 - two thirds of the total amount of plants is 800 plants

    therefore if 2/3 of the plants died, 800 plants died ^^
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Re: HOMEWORK help center ||HWH||open!

Postby WastedSpace » Sun May 08, 2016 9:41 am

ranch dressing wrote:
Image
TYPE OF QUESTION: Math
YOUR QUESTION: Mrs. smith's class planted 1200 pea plants. Due to a lack of water, 2/3 of the plants died. How many of these plants died?

It seems like an easy question, but it has me and my sister stumped for some reason?
I'm thinking it's 800, but I can't back this up. My sister was asking help with her homework.


Figuring out 2/3 of 1200 is pretty simple. It's just multiplication!

1200 * (2/3) = 800 (you are correct)
Expanded:
1200 * 2 = 2400
2400 / 3 = 800

A way to check that or a slightly longer way to solve this would be to figure out what 1/3 of 1200 is, then double that.
1200 / 3 = 400
400 * 2 = 800
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Re: HOMEWORK help center ||HWH||open!

Postby L.V.L » Mon May 09, 2016 6:49 am

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TYPE OF QUESTION: Science
YOUR QUESTION: I currently have a Project were doing on the Solar System; and we need to find out the Number/Names of Moons for each planet.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
During my research for other questions we need to look up, I still haven't found much of anything on them.
Just wondering if anyone could help out. :)











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Re: HOMEWORK help center ||HWH||open!

Postby cloud cover » Mon May 09, 2016 7:08 am

MexicanGrizzlyBear wrote:
Image
TYPE OF QUESTION: Science
YOUR QUESTION: I currently have a Project were doing on the Solar System; and we need to find out the Number/Names of Moons for each planet.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
During my research for other questions we need to look up, I still haven't found much of anything on them.
Just wondering if anyone could help out. :)


hey, i've never really posted here so i hope i'm doing this right c: everything i'm posting here is from google searches, so sorry if it's inaccurate.

mercury + venus: no moons (the only planets that don't have a natural moon)
earth: 1 moon (the moon)
mars: 2 moons (phobos, deimos)
jupiter: 67 (a few of them are europe, ganymede, callisto)
saturn: precise number unknown, but i found lots of sites saying 53 (examples are titan, rhea, enceladus)
uranus: 27 moons (examples are miranda, titania, umbriel)
neptune: 13 or 14 (triton, nereid, larissa)

i hope i was of help, again i don't know if i'm doing this right, and i'm sorry if this information wasn't what you were looking for.
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Re: HOMEWORK help center ||HWH||open!

Postby imp. » Tue May 10, 2016 11:49 am

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TYPE OF QUESTION:math
YOUR QUESTION:how do you find the perimeter of a triangle ._.
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Re: HOMEWORK help center ||HWH||open!

Postby WastedSpace » Tue May 10, 2016 11:52 am

MexicanGrizzlyBear wrote:
Image
TYPE OF QUESTION: Science
YOUR QUESTION: I currently have a Project were doing on the Solar System; and we need to find out the Number/Names of Moons for each planet.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
During my research for other questions we need to look up, I still haven't found much of anything on them.
Just wondering if anyone could help out. :)


https://solarsystem.nasa.gov/planets/solarsystem/moons

Pinnate wrote:
Image
TYPE OF QUESTION:math
YOUR QUESTION:how do you find the perimeter of a triangle ._.


A perimeter is always just the measurement of the outside lines of the shape. P_triangle = a + b + c where a, b, c = the lengths of the three sides of a triangle
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Re: HOMEWORK help center ||HWH||open!

Postby BudgieLover5000 » Tue May 10, 2016 11:53 am

Pinnate wrote:
Image
TYPE OF QUESTION:math
YOUR QUESTION:how do you find the perimeter of a triangle ._.



Well, you just add all the sides to find the perimeter. It's just the outside of the triangle, not the inside. a + b + c
If you're looking for a missing side, however, then you can use the Pythagorean theorem if you've learned how:
a² + b² = c²
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Re: HOMEWORK help center ||HWH||open!

Postby Rabid_Jaguar » Tue May 10, 2016 12:06 pm

ranch dressing wrote:
Pinnate wrote:
Image
TYPE OF QUESTION:math
YOUR QUESTION:how do you find the perimeter of a triangle ._.



Well, you just add all the sides to find the perimeter. It's just the outside of the triangle, not the inside. a + b + c
If you're looking for a missing side, however, then you can use the Pythagorean theorem if you've learned how:
a² + b² = c²


Remember that the Pythagorean Theorem is only for RIGHT triangles. If it is only perimeter, you won't need this anyway, but remember it for the future. You'll be learning about it eventually. c:
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Re: HOMEWORK help center ||HWH||open!

Postby topazius. » Wed May 18, 2016 9:36 am

Pinnate wrote:
Image
TYPE OF QUESTION:math
YOUR QUESTION:how do you find the perimeter of a triangle ._.

a+b+c = Perimeter.
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Re: HOMEWORK help center ||HWH||open!

Postby nyall » Wed May 18, 2016 12:47 pm

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TYPE OF QUESTION: math / precalculus
YOUR QUESTION:
hiya! i need help with this ellipse question, since i always get these wrong.
write the equation in standard form for the ellipse 2x² + y² - 16x + 28 = 0
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