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umka2103 [35]
3 years ago
5

Is the answer A or B or C or D??

Mathematics
2 answers:
Mice21 [21]3 years ago
6 0

Answer:

B.

Step-by-step explanation:

(negative numbers) - (positive numbers) = (negative numbers) + -(positive numbers)

Bye!

maxonik [38]3 years ago
3 0

Answer:

B

Step-by-step explanation:

-3\frac{1}{8}+(-2\frac{1}{2})=\\ \\=-3\frac{1}{8}-2\frac{1}{2}\\  \\(+)(-)=(-)

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Hector is flying a kite. He has let out 86 feet of string and is holding it 4 feet off the ground. If the string is at an angle
Leto [7]

Answer:

h = 61.83 feet

Step-by-step explanation:

length of string from Hector to kite = c = 86 feet.

and 4 feet off the ground.

angle A = 42° 15' 30"

req'd:  how high is the kite?

angle A = 42° + 15' (1° / 60') + 30"(1° / 3600'')

angle A = 42.26

to get the side a (height of kite) 4 feet above ground: use Sin(A) = opp / hyp

Sin(A) = a / c

Sin(42.26) = a / 86

a = Sin(42.26) * 86

a = 57.83 feet

therefore, the height of the kite from the ground = h = 57.83 + 4

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Step-by-step explanation:

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2 years ago
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dolphi86 [110]

Answer:

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___________________________________________________

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