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ehidna [41]
3 years ago
15

PLEASE HELP ITS URGENT

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
6 0

Step-by-step explanation:

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How do I solve this? I need help
Sedaia [141]
Answer: √51
—————————
a^2 + b^2 = c^2
a^2 + 7^2 = 10^2
a^2 + 49 = 100
a^2 = 51
√(a^2) = √51
a = √51
7 0
2 years ago
1.) a square has a perimeter of 144 yd. what is the length of each side
Anuta_ua [19.1K]

Answer:

1) 36 yard

2) 2 feet

Step-by-step explanation:

1) Perimeter = 4 * side length

  144 = 4 * s

  s = 36

2) Area = Length * Length

   4 = l * l

   l = 2

8 0
3 years ago
Jack has six less than five times the number of baseball cards that Mark has. if Mark has 10 baseball cards, how many baseball c
ASHA 777 [7]

Answer:

44

Step-by-step explanation-

Jack has 6 less than 5 times what mark has, if we write it out, we have (5*mark)-6. We know that mark has 10, so if we replace it we have

(5*10)-6 we get 50-6 which equals 44

6 0
3 years ago
12 7/8 as a decimal<br><br><br> Please help need it now
Ket [755]
The answer to the question is 12.875
8 0
3 years ago
The law of cosines is a² + b² - 2abcosC = c². Find the value of 2abcosC.
galina1969 [7]

Answer:

C

Step-by-step explanation:

a = 4

b = 5

c = 2

C = arccos((a² + b² - c²) / 2ab)

C = arccos((16 + 25 - 4) / 2(4)(5))

C = arccos(37 / 40)

C = 22.33°

2abcosC

2(4)(5)cos(22.33)

40(0.925)

37

8 0
2 years ago
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