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kozerog [31]
3 years ago
12

A triangle has sides measuring 7 centimeters and 13 centimeters that form an angle measuring 44°. Which of these is CLOSEST to t

he length of the third side of the triangle?
Mathematics
1 answer:
Oliga [24]3 years ago
8 0

Answer:

9.3 centimeters

Step-by-step explanation:

If the length of the third side of the triangle is c, then according to the Law of Cosines, c2 = 72 + 132 – 2(7)(13)(cos 44°). The value of c2 can be simplified to approximately 49 + 169 – 130.9198, or 87.0802, using a calculator. By taking the square root of 87.0802, the length of the third side of the triangle comes out to be approximately 9.3 centimeters.

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aleksley [76]

Answer:

one box costs $19152/24=$798

6 0
3 years ago
HELP PLEASEEEEEEE it’d be rlly appreciated
Alex_Xolod [135]

Answer: they have

et n = number of nickels

Let d = number of dimes

given:

(1) +n+%2B+d+=+45+

(2) +5n+%2B+10d+=+360+

-------------------

Multiply both sides of (1) by 5

and subtract (1) from (2)

(2) +5n+%2B+10d+=+360+

(1) +-5n+-+5d+=+-225+

+5d+=+135+

+d+=+27+

and, since

(1) +n+%2B+d+=+45+

(1) +n+%2B+27+=+45+

(1) +n+=+45+-+27+

(1) +n+=+18+

She had 18 nickels and 27 dimes

check:

(2) +5%2A18+%2B+10%2A27+=+360+

(2) +90+%2B+270+=+360+

(2) +360+=+360+

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
8
lukranit [14]

Answer:

12.56

Step-by-step explanation:

180/360×2×3.142×4

4 0
2 years ago
what are the coordinates of point T’, the image of point T(-2,5) after a rotation of 180 about the origin
RideAnS [48]

Answer:

T'(2, - 5 )

Step-by-step explanation:

Under a rotation about the origin of 180°

a point (x, y ) → (- x, - y ), thus

T(- 2, 5 ) → T'(2, - 5 )

5 0
3 years ago
4. A toy shop sells baby rattles in green and
Helga [31]

Answer:

15 remainder 3

Step-by-step explanation:

It is complicated how I did it so yeah

5 0
2 years ago
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