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vfiekz [6]
2 years ago
8

Plz answer rn plzzzzzzzz

Mathematics
1 answer:
Leviafan [203]2 years ago
3 0

Answer: correct

Step-by-step explanation: if you distribute the 9 to the 2+x you’d get two factors 18 and 9x

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Two people are standing on opposite sides of a hill. Person A makes an angle of elevation of 65° with the top of the hill and pe
8090 [49]

Answer:

Option 3. 71 ft. is the distance between B and top of the hill.

Step-by-step explanation:

Let the height of the hill is h ft and the distance of A from the hill be x ft and distance from B to hill is y.

It is given distance between A and B is 45 ft. ∠BAO = 65° and ∠ABO = 80°.

We have to find the distance of B from the top of the hill.

Now from ΔACO tan 65 = \frac{h}{45-x} = 2.14

h=2.14(45-x)

From ΔBCO tan80 = \frac{h}{x} = 5.67

h = 5.67x

Now h = 5.67x = 2.14(45-x)

5.67x = 96.3 - 2.14x

2.14x + 5.67x = 96.3

7.81x = 96.3

x = 96.3/7.81 = 12.33 ft

Therefore cos80 = \frac{x}{OB}

0.174 = \frac{12.33}{OB}

OB = \frac{12.33}{.174}=70.86=71ft.

Therefore 71 ft is the distance between B and the top of the hill.

3 0
3 years ago
PLEASE HELP ME IM BEGGING YOU!!!<br> FIND THE VALUE OF X
Korvikt [17]

84 I'm sure it's that I did it before

8 0
3 years ago
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K=5/9(F+459.67) solve for F in terms of K
Mila [183]

Answer:

F = 5.67503704

Step-by-step explanation:

K=5/9(F+459.67)   K = 5/9F / 5/9  =  255.376667 / 5/9 = F = 5.67503704

5 0
3 years ago
Alex buys a subscription to a streaming site. The function describes the 5.50m c=3+2 cost of the yearly subscription,c, in terms
azamat

Answer:

5.50 = c = 3 + 5 = 7c \\  \\ then \: divide \: 5.50to \: the7 \\  \\

Step-by-step explanation:

the answer u will get after

3 0
3 years ago
1.50x+19.00=2.75x+15.00
Fiesta28 [93]
X=3.2 I believe that's your answer
6 0
3 years ago
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