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anonymous
 one year ago
Please help!
Use △DEF, shown below, to answer the question that follows:
What is the value of x rounded to the nearest hundredth?
anonymous
 one year ago
Please help! Use △DEF, shown below, to answer the question that follows: What is the value of x rounded to the nearest hundredth?

This Question is Closed

phi
 one year ago
Best ResponseYou've already chosen the best response.0for the angle at D, which trig function should we use ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I think it should be the sin function? Because x is the adjacent.

phi
 one year ago
Best ResponseYou've already chosen the best response.0people use SOH CAH TOA to remember or oscar had a heap of apples sin cos tan

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Oh okay, well for this triangle, I think we should use sin because the Hypotenuse is 55 degrees and the Opposite is x which and we're also given the degrees for sin when it's being put into a fraction.

phi
 one year ago
Best ResponseYou've already chosen the best response.0side x is the adjacent side for angle D

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Oh, sorry, now I see. I was looking at it a different way. So then we'd use the cos function.

phi
 one year ago
Best ResponseYou've already chosen the best response.0yes, cos. and sides are lengths (and measured in for example, feet, inches, meters, miles, *not* degrees) angles are measured in degrees or radians

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1440787209071:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0This is what it would look like yes?

phi
 one year ago
Best ResponseYou've already chosen the best response.0yes. multiply both sides by 55 and you get x= 55 cos(49) we now need a calculator.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Okay, so in my calculator I punched in 55 and then cos and it gave me: 0.5735. Then after that the new fraction would be: 0.5735 = x/55 Then, I'd take 55 and multiple it by 0.5735 and it'd give me: 31.54 which will equal x. For the next step it tells me to round to the nearest tenth which will give me: 32?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Oh wait, I think I was supposed to do 49 cos, not 55.

phi
 one year ago
Best ResponseYou've already chosen the best response.0you ended up doing cos 55 try 55 times cos 49 enter

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Oh okay, it gave me: 36.08 This question doesn't have multiple choices, I got 36 last time and punched it in the answer box and it told me it was wrong.

phi
 one year ago
Best ResponseYou've already chosen the best response.0yes it wants x rounded to the nearest hundredth so 36.08

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Hm, I'll try 36 again and then tell you what I got.

phi
 one year ago
Best ResponseYou've already chosen the best response.0it wants it rounded to the nearest 100th. 36.08 if it won't take that, make a note and tell your teacher about it.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0This is what is says: "Type the numeric answer only in the box below."

phi
 one year ago
Best ResponseYou've already chosen the best response.0Use △DEF, shown below, to answer the question that follows: What is the value of x rounded to the nearest hundredth?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0It says numerically, so that's why I put 36 as my answer. But I can try 36.08

phi
 one year ago
Best ResponseYou've already chosen the best response.0numeric means "number" and 36.08 is a number this is instead of , for example, 55*cos(49) which is more accurate (because we do not round), but obviously it is not a simple number

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Okay, I will put 36.08. Thank you for your help!
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