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2 years ago

HELP PLEASE I GOT CACA WIFI

Mathematics

1 answer:

Brut [27]2 years ago

3 0

Answer:28

Step-by-step explanation:

hope this helpes

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Answer: 30%?

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2 years ago

What is the answer to -56/6

mafiozo [28]

Answer: -9 1/3 or -9.3333333

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The Chic Boutique has a sale of school spirit clothing. The table shows the regular price, r, and the

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3 years ago

There are 144 pencils in a box if each member of the class gets 8 pencils there will be in no pencils left over how many members

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3 years ago

Please help me i beg you PLEASE HELP ME ASAP I SWEAR TO GOD WILL MARK YOU BRAINIEST

daser333 [38]

Step-by-step explanation:

DEFINITION: Besting: the clockwise totation (0° to 360°) from North to any line.

A) Calculate the bearings of D from A:

bearings of D from A =x

looking the picture:

x=48°+55°+180°

x+103°+180°

x=283°

B)Calculate the bearings of A from C:

bearings of A from C =y

180°+55°=y

y=235°

C) Calculate the distance between A and B:

The angle in B is 74° (Because 55°+51°+74°=180°)

Using the Law of sines:

$\frac{19}{sin(74)} =\frac{AB}{sin(51)} \\\\AB=19sin(51)sin(74)\\AB=14,2\\\\$

D)Calculate the distance between D and C:

Using the Law of cossines:

$DC^{2} =27^{2} +19^{2} -2*27*19*cos(48)\\DC=20,09$

E) A Helicopter is hovering at A at a height of 2.5Km, find angle of elevation of helicopter from C:

The triangle HBA is rectangle

$\alpha =arctan(\frac{2,5}{19})$

α=7,49°

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2 years ago