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Xelga [282]
4 years ago
12

a passenger in an airplane flying at an altitude of 10 kilometers sees two towns directly to the east of the plane. The angles o

f depression to the towns are 28 and 55. how far apart are the towns
Mathematics
2 answers:
ivolga24 [154]4 years ago
8 0
55-22=33 < that is the answer
Mumz [18]4 years ago
3 0

55 - 22 = 33

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M=-(4+m)+2 solve for m​
Orlov [11]

Answer:m =-1

Step-by-step explanation:

To solve m=-(4+m)+2

Open the brackets

m=-4-m+2

Collect like terms

m+m=-4+2

2m=-2

Divide through by -2

m=-1

3 0
4 years ago
Help please thanksssssssssss
sattari [20]

Answer:

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7 0
2 years ago
Find f. f ″(x) = x^−2, x &gt; 0, f(1) = 0, f(6) = 0
marin [14]

If you do in fact mean f(1)=f(6)=0 (as opposed to one of these being the derivative of f at some point), then integrating twice gives

f''(x) = -\dfrac1{x^2}

f'(x) = \displaystyle -\int \frac{dx}{x^2} = \frac1x + C_1

f(x) = \displaystyle \int \left(\frac1x + C_1\right) \, dx = \ln|x| + C_1x + C_2

From the initial conditions, we find

f(1) = \ln|1| + C_1 + C_2 = 0 \implies C_1 + C_2 = 0

f(6) = \ln|6| + 6C_1 + C_2 = 0 \implies 6C_1 + C_2 = -\ln(6)

Eliminating C_2, we get

(C_1 + C_2) - (6C_1 + C_2) = 0 - (-\ln(6))

-5C_1 = \ln(6)

C_1 = -\dfrac{\ln(6)}5 = -\ln\left(\sqrt[5]{6}\right) \implies C_2 = \ln\left(\sqrt[5]{6}\right)

Then

\boxed{f(x) = \ln|x| - \ln\left(\sqrt[5]{6}\right)\,x + \ln\left(\sqrt[5]{6}\right)}

3 0
2 years ago
A paper company needs to ship paper to a large printing business. The paper will be shipped in small boxes and large boxes. Each
Ostrovityanka [42]

Answer:

There were 7 small boxes and 14 large boxes shipped.

Step-by-step explanation:

This problem may be solved by a system of equations:

I am going to say that:

x is the number of small boxes used

y is the number of large boxes used

There were twice as many large boxes shipped as small boxes shipped

This means that y = 2x

Each small box of paper weighs 45 pounds and each large box of paper weighs 80 pounds. The total weight of all boxes was 1435 pounds.

This means that 45x + 80y = 1435

So we have to solve the following system:

y = 2x

45x + 80y = 1435

45x + 80(2x) = 1435

205x = 1435

x = \frac{1435}{205}

x = 7

y = 2x = 2(7) = 14

There were 7 small boxes and 14 large boxes shipped.

7 0
3 years ago
+16-(24)+(-8+6)-(-12+4)=???
cupoosta [38]

16 - (24) + (-8 + 6) - (-12 + 4) =

-8 + (-8 + 6) - (-12 + 4) =

-8 + (-2) - (-12 + 4) =

-10 - (-12 + 4) =

-10 - (-8) =

-10 + 8 =

-2

Hope this helps!

8 0
3 years ago
Read 2 more answers
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