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Deffense [45]
3 years ago
10

Which point is between polnts C and E?

Mathematics
1 answer:
Sever21 [200]3 years ago
3 0

Answer:

S

Step-by-step explanation:

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A surveyer wants to find the distance from points A and B and to an inaccessible point C. These three points form a triangle. Be
Vinil7 [7]

Answer:

42.8°

Step-by-step explanation:

The sine rule states that for a triangle with lengths of a, b and c and the corresponding angles which are opposite the sides as A, B and C, then the following rule holds:

\frac{a}{sin(A)}=\frac{b}{sin(B)}  =\frac{c}{sin(C)}

Given that points A, B and C forms a triangle with angle A = 65°, distance from A-to-C = 90 m and the distance from B to C = 120 m.

The distance from A to C is the side opposite to angle B. Hence let b =  distance from A to C = 90 m.

The distance from B to C is the side opposite to angle A. Hence let a =  distance from B to C = 120 m.

Therefore using sine rule:

\frac{a}{sin(A)}=\frac{b}{sin(B)}  \\\\\frac{120}{sin(65)}=\frac{90}{sin(B)}  \\\\sin(B)=\frac{90*sin(65)}{120} \\\\sin(B) =0.6797\\\\B=sin^{-1}(0.6797)\\\\B=42.8^o

7 0
2 years ago
Can someone explain how to due this
ElenaW [278]
It’s just 5 you divide 9 into 45 and get a whole number of 5
7 0
3 years ago
Someone help me with this pls
Nostrana [21]

(5^-2)^2 and 5^2•5^-6

5 0
2 years ago
How do you write 11 thousands in standard form?
Afina-wow [57]
11,000 u think hope I helped
6 0
3 years ago
Is 3 times 6 times 9 and 3 times<br> 6 times 9 equivalent
Fiesta28 [93]
3 x 6 x 9 x 3 x 6 x 9 = ?

       3 x 6 =       18
     18 x 9 =     162
   162 x 3 =      486
   486 x 6 =   2,916
2,916 x 9 = 26,244

3 x 6 x 9 x 3 x 6 x 9 = 26,244

7 0
3 years ago
Read 2 more answers
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