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anyanavicka [17]
2 years ago
13

Yeah i don’t know what this is

Mathematics
1 answer:
Marina CMI [18]2 years ago
5 0

Answer:

BC ≈ 11.9 cm

Step-by-step explanation:

Using the sine ratio in the right triangle

sin58° = \frac{opposite}{hypotenuse} = \frac{BC}{AC} = \frac{BC}{14} ( multiply both sides by 14 )

14 × sin58° = BC , then

BC ≈ 11.9 cm ( to 1 dec. place )

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“the perimeter of the rectangle below is 90 units. find the length of side PS. write your answer without variables.”
Rzqust [24]

Answer:

19

Step-by-step explanation:

The opposite sides are equal, so:

PS = 3y+1

RS = 4y+2

QR = 3y+1

PQ = 4y+2

Therefore, we can set the perimeter 90 = PS+RS+QR+PQ

90 = (3y+1) + (4y+2) + (3y+1) + (4y+2), or,

90 = 2(3y+1) + 2(4y+2)

90 = 6y+2 + 8y+4

90 = 14y + 6

84 = 14y

y = 6

Then, we go back to the question. It's asking for the length of PS. PS = 3y+1, so we plug in 6 for y

3(6)+1

18 + 1 = <u>19</u>

5 0
3 years ago
-A library currently has 125 audiobooks. The library plans to
Agata [3.3K]

Answer: 1 the 2 of 3 and 5a 5 to 6 in 8 is 9 be 9 that 9 was 10 he 11 for 11 it 14 with 15 ... 42 him 43 been 44 has 44 more 45 if 45 no 47 out 48 do 49 so 50 can 50 what ... right 143 might 146 came 146 off 147 find 148 states 149 since 149 used ... 1383 circle 1383 ought 1384 garden 1386 library 1390 accuse 1390

Step-by-step explanation:

5 0
2 years ago
The perimeter of a rectangular field is 322 m.
Bond [772]

Answer:

75

Step-by-step explanation:

322 = 2(86) + 2w

322 = 172 + 2w

322-172 = 172 +2w -172

150 = 2w

150/2 = 2w/2

w=75

5 0
2 years ago
Select the correct answer.
Drupady [299]

Answer:

OD. x=-3, y=26

Step-by-step explanation:

hope it helps

6 0
2 years ago
Please help with answers and showing work
avanturin [10]

Answer:

1:c

let x be the distance

12^2=10^(2) + x^(2)

x=6.6332


2.D

length of 2->3 and 2->1 is 90ft, they are perpendicular

by using Pythagorus theorem

the diagonal of the square = square root of the sum of 90^2 +90^2

=127.279ft


3.B

12^2  -6^2 = 10.39ft


Step-by-step explanation:


4 0
2 years ago
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