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inysia [295]
3 years ago
9

Five different books (A, B, C, D and E) are to be arranged on a shelf. Books C and D are to be arranged first and second startin

g from the right of the shelf. The number of different orders in which books A, B and E may be arranged is
A. 5
B. 3
C. 2
D. 6
Mathematics
1 answer:
vekshin13 years ago
5 0
Your answer would be B.
HOPE THIS HELPS YOU! ^_^
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Each figure shows a triangle with one of its angle bisectors.<br> 12) 22 - 38°. Find mZTRS.
jarptica [38.1K]

Answer:

76 degrees

Step-by-step explanation:

this special line is an angle bisected.

that means it splits the angle at its starting point in 2 halves. as these names indicate, both parts are of equal size (half of the general angle).

we know one part (2) of this split angle : 38 degrees.

the other part (1) had to be equally sized : 38 degrees.

so, the total angle at point R is the sum of both split angles:

TRS = 38+38 = 76 degrees.

3 0
3 years ago
Express in simplest radical form.<br> Sqrt (27)
zhannawk [14.2K]
  • Answer:

<em>3√3</em>

  • Step-by-step explanation:

<em>√27 =</em>

<em>= √3×9</em>

<em>= √3×3²</em>

<em>= 3√3</em>

6 0
3 years ago
The chairlift at a ski resort has a vertical rise of 3200 feet. if the length of the ride is 1.2 miles, what is the average angl
Aleksandr-060686 [28]
(see attached graphic)
1.2 miles = 6,336 feet

IF the length is measured along the ground then:
tan (angle) = opp / adjacent
tan (angle) = 3,200 / 6,336
<span>tan (angle) = 0.505050505</span>
angle = 26.796 Degrees

IF the length is measured from the ground to the top then:
sin (angle) = opp / hypotenuse
<span>sin (angle) = 0.505050505</span>
angle = 30.335 Degrees





6 0
3 years ago
Classify each pair of numbered angles.
kifflom [539]
Adjacent angles are angles with a common side and vertex, linear pairs are adjacent angles that are supplementary, and vertical angles are angles made by the same two lines but on opposite sides.

For the first one, 5 and 6 clearly do not share a side but they are made up by the same 2 lines and are opposite of each other, making them vertical.

For the next one, since the angles only share 1 line (and not a side) they can't be any of the above. 
5 0
3 years ago
Read 2 more answers
Can someone please tell me how to find the value of x.
notsponge [240]

Answer:

2.547 = x

Step-by-step explanation:

tan 23 = x/6                  Use this equation to find the value of x

0.4245 = x/6                 Multiply both sides by 6

2.547 = x

7 0
3 years ago
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