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kondaur [170]
3 years ago
6

An airplane climbs at an angle of 11o with the ground. Find the ground distance it has traveled when it has attained an altitude

of 400 ft.
Mathematics
1 answer:
dmitriy555 [2]3 years ago
4 0

Answer:

Step-by-step explanation:

we use trigonometry to write:

400 x  =  tan  (  11 ∘  )

rearrange:

x  =  400  tan  (  11 ∘  )  =  2057.8  ≈  2058  ft

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The figure shown has two parallel lines cut by a transversal:
antiseptic1488 [7]

The Answer is C and I am 100% sure about it

7 0
3 years ago
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Please help!!!!! it's a word problem and I don't understand how to do it at all
andre [41]
7We can see that line NM = JK so NM also equals 10.
We know NL = 23 and NM = 10 therefore, ML = NL -NM  ML = 23 -13
ML = 10
The last thing to solve is the length of KL
KL = ML / sine 34
KL = 10 / 0.55919
KL = 17.9

Total fence length required = JK + KL + NL =
13 + 17.9 + 23
= 53.9 yards
Cost of Fencing = $3.50 * 53.9 =
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8 0
3 years ago
9/v=3/30 v=__<br> solve the proportion.
Nadya [2.5K]
3/30=9/v
3×3=9
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8 0
3 years ago
The function f(x)=Acosh(Cx)+Bsinh(Cx). I need help determining the value of constant C&gt;0 when the second derivative f''(x)=25
Rus_ich [418]

Answer:

C = 5.

Step-by-step explanation:

First, you need to remember that:

For the function:

h(x) = Sinh(k*x)

We have:

h'(x) = k*Cosh(k*x)

and for the Cosh function:

g(x) = Cosh(k*x)

g'(x) = k*Cosh(k*x).

Now let's go to our problem:

We have f(x) = A*cosh(C*x) + B*Sinh(C*x)

We want to find the value of C such that:

f''(x) = 25*f(x)

So let's derive f(x):

f'(x) = A*C*Sinh(C*x) + B*C*Cosh(C*x)

and again:

f''(x) = A*C*C*Cosh(C*x) + B*C*C*Sinh(C*x)

f''(x) = C^2*(A*cosh(C*x) + B*Sinh(C*x)) = C^2*f(x)

And we wanted to get:

f''(x) = 25*f(x) = C^2*f(x)

then:

25 = C^2

√25 = C

And because we know that C > 0, we take the positive solution of the square root, then:

C = 5

6 0
2 years ago
Ram
Step2247 [10]

Step-by-step explanation:

Shyam+Ram=Shyam-Ram

⇒

2x

1

+

x

1

=

16

1

8+16=x

∴x=24

Total days Shyam takes to complete work =2x=2×24=48 days

6 0
3 years ago
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