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CaHeK987 [17]
2 years ago
9

Please help Right triangles and trigonometry quiz two on Khan Academy

Mathematics
1 answer:
Sedbober [7]2 years ago
8 0

Answer:

AC = 2.44

Step-by-step explanation:

Reference angle = 26°

Opposite side = AC = ?

Adjacent side = BC = 5

Applying TOA, we have:

Tan 26 = opp/adj

Tan 26 = AC/5

multiply both sides by 5

Tan 26 × 5 = AC

AC = 2.44 (nearest hundredth)

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Simplifying your answer
coldgirl [10]

Answer:

  -49

Step-by-step explanation:

In order to fill in the given expression, we need to know ...

  • f(-2) = -4
  • f(-3) = 5
  • f(-4) = 7
  • g(0) = -7
  • g(-3) = 3

Then the expression is ...

  √(5 -(-4)) -(-7)² +7÷(-7)·(3) = √9 -49 +7/(-7)(3)

  = 3 -49 +(-1)(3) = 3 -49 -3

  = -46 -3 = -49

7 0
2 years ago
Please Helppppppppppp
sineoko [7]

Answer:

The width of the actual pool is 12 meters

Step-by-step explanation:

You can put Kiara's scale into a ratio or fraction to help visualize it better: 13/6. Now, let's put what we do know for the other ratio into a fraction. we know that the pool is 26 centimeters wide, and since the 26 matches with the 13, that goes in the numerater. since we don't know the denominator, we can just put 26/x (you can use whatever letter you like but I'll use x here)

So in order to get 13/6 to 26/x, we need to find how to figure out what we are doing to the original fraction. Since 13 x 2= 26, it looks like we are multiplying the ratios by 2. Now that we know that, we can multiply the denominator (6) by 2 to equal 12, our answer.

Hope this helps :)    

8 0
2 years ago
Which of the following is equivalent to (a + b/2) ^2?
myrzilka [38]

Answer:

a^2 + 4a/b + 4/b^2

Step-by-step explanation:

Which of the following is equivalent to (a + b/2) ^2?

4 0
2 years ago
HELP ASAP IM BEING TIMED!
Ad libitum [116K]

Answer: Its the 2nd and 4th

Step-by-step explanation:

i am sorry i know its not gonna help you now but its for others!

7 0
2 years ago
How do you solve this I need to solve for x and I also need 20 characters to send this so her you go
g100num [7]

Answer:Exact Form:

x

=

−

3

2

Decimal Form:

x

=

−

1.5

Mixed Number Form:

x

=

−

1

1

2

6 0
2 years ago
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