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Find the length of the missing side. Leave your answer in simplest radical form.
The triangle is not drawn to scale.
 one year ago
 one year ago
Find the length of the missing side. Leave your answer in simplest radical form. The triangle is not drawn to scale.
 one year ago
 one year ago

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jim_thompson5910Best ResponseYou've already chosen the best response.1
a^2 + b^2 = c^2 5^2 + 13^2 = c^2 solve for c
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
5^2 + 13^2 = c^2 25 + 169 = c^2 194 = c^2 c^2 = 194 c = ???
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
what undoes a square?
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
the missing side is \[\Large \sqrt{194}\] units
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
A triangle has sides of lengths 27, 79, and 84. Is it a right triangle? Explain. (1 point) yes; 272 + 792 842 no; 272 + 792 = 842 no; 272 + 792 842 yes; 272 + 792 = 842
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
what is 27^2 + 79^2
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
so 6970 is not equal to 7056 which means 27^2 + 79^2 is not equal to 84^2
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
so that proves you don't have a right triangle
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
what does C say
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
it seems like a symbol is missing
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
It's = sign with a line through it.
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
like this dw:1362982562480:dw ??
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
if so, then it's C
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
yeah, it does look like that. What's that mean?
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
it means "not equal"
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
it's kinda like a "no smoking" sign where it's crossed out
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
A triangle has side lengths of 12 cm, 35 cm, and 37 cm. Classify it as acute, obtuse, or right. (1 point) acute obtuse right
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
12^2 + 35^2 is what
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
37^2 is _____
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
the two are the same, so 12^2 + 35^2 = 37^2
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
which means that you have a right triangle
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
oops. I don't know how I typed that. That was weird. :/
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
. Find the value of the variable. If your answer is not an integer, leave it in simplest radical form. The triangle is not drawn to scale. (1 point) Find the value of the variable. If your answer is not an integer, leave it in simplest radical form. The triangle is not drawn to scale.
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
woah..Didn't mean to say that twice
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
that's ok, yeah OS has its glitches from time to time
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
so you basically want to find x right?
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
I don't know. These are the possible answers.
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
if so, then a^2 + b^2 = c^2 x^2 + x^2 = 7^2 2x^2 = 49 x^2 = 49/2 x = sqrt(49/2) x = sqrt(49)/sqrt(2) x = 7/sqrt(2) x = 7sqrt(2)/sqrt(2)*sqrt(2) x = 7sqrt(2)/2 So dw:1362983836880:dw
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
you're welcome
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
The length of the small leg of a 30°60°90° triangle is 3. Find the perimeter.
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
DO YOU KNOW THIS ONE? D:
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
did you put on your THINKING CAPS ? lol jk
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
we know this much dw:1362983975619:dw
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
that's what we're given
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
the hypotenuse is twice as long as the shorter leg, so the hypotenuse is 2*3 = 6
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
dw:1362984054235:dw
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
the longer leg is sqrt(3) times longer than the shorter leg so the longer leg is 3*sqrt(3)
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
dw:1362984092454:dw
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
Now add up all the sides \[\Large 3+6+3\sqrt{3}\] \[\Large 9+3\sqrt{3}\]
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
that's the approximate perimeter, good
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
that's not one of the answers
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
ok what are your answers
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
x= 13, y=39 sqrt 3 x= 13 sqrt 3, y=39 x=39,y= 13 sqrt 3 x=39 sqrt 3, y=13
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
something seems missing
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
it wanted the perimeter, not x and y whatever those values refer to
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
x and y are the perimeters.
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
a triangle only has one perimeter
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
is there a way you can post a screenshot of this problem?
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
Well, it's like an upside down triangle.
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
so, I guess the base is Y
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
is a screenshot not possible?
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
this looks like a totally different problem what happened with the one "The length of the small leg of a 30°60°90° triangle is 3. Find the perimeter."
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
so this is the real problem? the other problem wasn't the one you wanted to do?
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
Oh my gosh. I'm so tired. I gave you another problem..
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
i see, we can do this tomorrow if you want
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
The length of the small leg of a 30°60°90° triangle is 3. Find the perimeter. (1 point) 9/2 + 3/2 sqrt 3 3/2 +9/2 sqrt 3 3+9 sqrt 3 9+3 sqrt 3
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
we did this one already dw:1363121467711:dw
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
3+6 + 3*sqrt(3) 9 + 3*sqrt(3)
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
Leave it in radical form So it would be \[\Large 9 + 3\sqrt{3}\]
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
Thankyou. can you help me with more?
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
Find the value of the variable(s). If your answer is not an integer, leave it in simplest radical form. This triangle is not drawn to scale. (1 point) x = 13, y = 39 sqrt 3 x = 13 sqrt 3, y = 39 x = 39, y = 13 sqrt 3 x = 39 sqrt 3, y = 13
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
we did this one too
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
do you remember doing this?
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
we didn't. I accidentally mixed this one with the other one, though
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
alright, the shorter leg is half of the hypotenuse so the shorter leg is 13*sqrt(3) this means y = 13*sqrt(3)
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
the longer leg is sqrt(3) times longer than the shorter leg, so... x = y*sqrt(3) x = 13*sqrt(3)*sqrt(3) x = 13*3 x = 39
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
\[\Large y = 13\sqrt{3}\]
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
Do you get this? A conveyor belt carries supplies from the first floor to the second floor, which is 27 feet higher. The belt makes a 60° angle with the ground. How far do the supplies travel from one end of the conveyor belt to the other? Round your answer to the nearest foot. If the belt moves at 75 ft/min, how long, to the nearest tenth of a minute, does it take the supplies to move to the second floor? (1 point) 47 ft; 38 min 31 ft; 0.4 min 38 ft; 23.3 min 16 ft; 1.1 min
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
first draw out a picture
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
dw:1363124336238:dw
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
you want to find x
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
because you want to find the length of the belt
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
so sin(60) = 27/x x*sin(60) = 27 x = 27/sin(60) x = ??
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
so it's 31 (since you round to the nearest foot)
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
you don't need to do the second part since there's only one answer with 31 ft
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
@jim_thompson5910 Find the missing value to the nearest hundredth. tan= 38 88.49 61.25 65.25 44.25
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
tan(x) = 38 x = arctan(38) x = ???
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
not the tangent of 38 the arctangent of 38
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
Find the missing value to the nearest hundredth. Sin= 8/32 75.52 14.04 77.76 14.48
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
yeah I used google as a calculator
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
type "arcsin(8/32) in degrees" without quotes into google
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
and it will act like a calculator and give you the result
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
if you do that, you will get this http://www.google.com/search?hl=&q=arcsin%288%2F32%29+in+degrees&sourceid=navclientff&rlz=1B3GGLL_enUS420US420&ie=UTF8
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
Write the tangent ratios for Y and Z. The triangle is not drawn to scale.
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
remember that tan = opposite/adjacent
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
so in the case of angle Y 6 is the opposite side 7 is the adjacent side tan(Y) = opp/adj tan(Y) = 6/7
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
yes good, tan(Z) = 7/6
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
2. Write the ratios for sin A and cos A. The triangle is not drawn to scale. (1 point)
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
keep in mind that sin = opp/hyp cos = adj/hyp
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
opp= opposite? eh, can you show me?
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
correct, adj = adjacent
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
in terms of angle A, which is the opposite side? adjacent side?
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
that would be the hypotenuse, which is the longest side
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
16 is the adjacent side since it's part of angle A
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
can you just show me how to do it?
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
opp = 63 adj = 16 hyp = 65
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
sin(A) = opp/hyp sin(A) = ?? cos(A) = adj/hyp cos(A) = ??
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
just plug in the given values, that's all you do really
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
but i don't now which is opposite and adjacent and hypotenuse
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
I just gave you those values opp = 63 adj = 16 hyp = 65
 one year ago

Emily778Best ResponseYou've already chosen the best response.1
Find the value of x. Round to the nearest tenth. The triangle is not drawn to scale. (1 point) 11.9 10.3 11.7 10.8
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
cos(20) = x/11 solve for x
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
you would do x = 11*cos(20) x = ??
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
yep, but it's pretty late to be doing math (I'm about to log off)
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
we can do it tomorrow if you want
 one year ago
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