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atroni [7]
3 years ago
15

PLEASEEEEE HELP f(x) = 2x^2+ 6 when f (4)

Mathematics
1 answer:
kompoz [17]3 years ago
5 0
Hopefully this is right!

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Pleaseeee help me....Use the Law of Sines to solve the triangle. Round your answers to two decimal places.
alexira [117]

Answer:

  • a = 1.11
  • B = 105.4°
  • c = 2.95

Step-by-step explanation:

B = 180 -A -C = 105.4 . . . . sum of angles in a triangle is 180°

__

The missing side lengths can be found from the Law of Sines:

  a/sin(A) = c/sin(C)

  a = c·sin(A)/sin(C) = 2.46·sin(21.2°)/sin(53.4°) ≈ 1.11

Likewise, ...

  b = c·sin(B)/sin(C) = 2.46·sin(105.4°)/sin(53.4°) ≈ 2.95

7 0
3 years ago
If h(x) is the inverse of f(x), what is the value of h(f(x))?
Mekhanik [1.2K]
Hello,

f(x) has as inverse f^(-1)(x)
and (fof^(-1))(x)=(f^(-1)of)(x)= x (the neutral function)
so h(f(x))=x

8 0
3 years ago
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Write the equation. Lucy rides her bike 20 kilometers every week. How many kilometers does Lucy ride her bike in 7 weeks
Irina18 [472]

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140 kilometers in 7 weeks

Step-by-step explanation:

20 km x 7= 140 km

3 0
3 years ago
In the diagram below of right triangle ACB, altitude CD is drawn by hypotenuse AB. if AB= 36 and AC= 12, what is the length of A
Nady [450]
36 squared + 12 squared = AD squared 
1296 + 144 = AD squared
square root of 1440 = AD
37.95
7 0
3 years ago
Find the circumference and area
KATRIN_1 [288]
18.85 I hope this helps you :)
5 0
3 years ago
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