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Dovator [93]
3 years ago
15

Find the length of AC again

Mathematics
2 answers:
Bingel [31]3 years ago
5 0

Answer:

B

Step-by-step explanation:

side Ac is the opposite of angle B, therefore use the sin ratio to find ac since the hypotenuse is also given

sin B=opposite/hypotenuse

sin 27=ac/15

ac=sin27×15

=6.81

I hope this helps

Roman55 [17]3 years ago
5 0

Answer:

AC = 6.81

Step-by-step explanation:

∠BAC = 90° - 27° = 63°

Cos 63° =\frac{AC}{AB} = 0.454

AC = cos 63° * AB = 0,454 * 15 = 6.81

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3 years ago
An equation of a line through (-1, 4) which is perpendicular to the line y = 4x + 1 has slope and y-intercept
Assoli18 [71]

Answer:

The answer to your question is   y = -1/4x + 15/4

Step-by-step explanation:

Data

P (-1, 4)

⊥ y = 4x + 1

Process

1.- Find the slope of the line given

       y = 4x + 1

slope = 4

2.- Find the slope of the new line

     slope 2 = -1/4

3.- Find the equation of the line

       y - y1 = m(x - x1)

Substitution

       y - 4 = -1/4(x + 1)

Simplification

       y - 4 = -1/4x - 1/4

       y = -1/4x - 1/4 + 4

       y = -1/4x - 1/4 + 16/4

Result

       y = -1/4x + 15/4

7 0
3 years ago
Find the distance between<br> (-1, - 3) and (8, – 3).
dimaraw [331]

Answer: d (A,B) = 9

Step-by-step explanation: d(A,B) = √(xB - xA)^2 + (yB - yA)^2

                                              d(A,B) = √(8-(-1))^2 + (-3 - (-3))^2

                                              d(A,B) = √81 + 0    

                                              d(A,B) = 9                                        

5 0
4 years ago
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Sunny_sXe [5.5K]
Subtract 5x from both sides
0=-30x

Divide both sides by -30
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Final answer: x=0

Hope this helps!
8 0
3 years ago
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alexandr402 [8]

Answer:

I think you forgot part of the question

Step-by-step explanation:

8 0
3 years ago
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