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Alika [10]
3 years ago
5

The sides of a triangle have lengths 5, 8, and 9. What kind of triangle is it?

Mathematics
2 answers:
Eva8 [605]3 years ago
5 0
Maybe a right triangle???
zepelin [54]3 years ago
5 0
Acute scalene triangle.
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Which expression represents the phrase the product of 15 and the quantity 12 more than a number x
Stells [14]
<span>The equation that represents the product of 15 and the is 12 more than a number would be (x+12)15=y. !</span>
8 0
3 years ago
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Three less than triple a<br> number is the same as the<br> number plus 57. What is<br> the number?
Annette [7]

First thing you want to do, is reverse the question.

57/3 - 3.

57/3 = 19.

19 - 3.

Your answer is 16.

7 0
3 years ago
What is tan(θ/2), when tan(θ) = 4/3 and when π &lt; θ &lt; 3π/2?
Tamiku [17]
Tan (Ф/2)=⁺₋√[(1-cosФ)/(1+cosФ)]
if π<Ф<3π/2;
 then,  Where is Ф/2??
π/2<Ф/2<3π/4; therefore Ф/2 is in the second quadrant; then tan (Ф/2) will have a negative value.

tan(Ф/2)=-√[(1-cosФ)/(1+cosФ)]

Now, we have to find the value of cos Ф.
tan (Ф)=4/3
1+tan²Ф=sec²Ф
1+(4/3)²=sec²Ф
sec²Ф=1+16/9
sec²Ф=(9+16)/9
sec²Ф=25/9
sec Ф=-√(25/9)        (sec²Ф will have a negative value, because Ф is in the        sec Ф=-5/3                                 third quadrant).

cos Ф=1/sec Ф
cos Ф=1/(-5/3)
cos Ф=-3/5

Therefore:

tan(Ф/2)=-√[(1-cosФ)/(1+cosФ)]
tan(Ф/2)=-√[(1+3/5)/(1-3/5)]
tan(Ф/2)=-√[(8/5)/(2/5)]
tan(Ф/2)=-√4
tan(Ф/2)=-2

Answer: tan (Ф/2)=-2; when tan (Ф)=4/3


3 0
3 years ago
Geometry Need help/........
vekshin1
6 inches would be the answer
5 0
3 years ago
Answer My Question Please!!!<br>Its 20 Points!!
saul85 [17]
Yo yo yo so first u simplify everything as 4^2= 16 and 25 squared is 5 so order of operations make 5*2 and that equals 10 so finally


16-10=6 so the answer is 6


7 0
3 years ago
Read 2 more answers
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