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sergey [27]
3 years ago
8

Un avión que vuela a 1 kilómetro de altura debe aterrizar en el inicio de una pista de aterrizaje que se encuentra exactamente a

2 kilómetros de la punta del avión. Si dicho avión empieza a aterrorizar en ese momento, ¿cuál será su ángulo?
Mathematics
1 answer:
Tanzania [10]3 years ago
4 0

Answer:

30°

Step-by-step explanation:

If we assume a right triangle, where the height is the opposite leg to the angle we are looking for and the distance from the beginning of an airstrip to the tip of the plane is the hypotenuse, we have to:

Sin ° A = Opposite leg / hypotenuse

Sin ° A = 1/2

° A = Arc Sin (1/2)

° A = 30 °

Which means that the angle that is formed is 30 °

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house prices increased 13% between 1994 and 1996 .how much would a house be worth in 1996 cost £134,500 in 1994​
EleoNora [17]

Answer:

134,500/(1 - 0.13) = 154597.70114942

Step-by-step explanation:

Use the equation

Original price / (1 - Percentage divide by a hundred)

8 0
3 years ago
What is the nth term for 8, 16,26,38, 52, 68, 86
ValentinkaMS [17]

The missing term is 106.

Step-by-step explanation:

The given sequence are:

8, 16, 26, 38, 52, 68, 86, ?

To find, the missing term  =?

The pattern follow:

Previous number + 8, Previous number + 10, Previous number + 12, Previous number + 14, Previous number + 16, Previous number + 18,.....

16 = 8 + 8 = 16

26 = 16 + 10 = 26

38 = 26 + 12 = 38

52 = 38 + 14 = 52

68 = 52 + 16 = 68

86 = 68 + 18 = 86

Similarly,

? = 86 + 20 = 106

Hence, the missing term is 106.

5 0
3 years ago
What number must be added to the expression below to complete the square? x2-5x
kati45 [8]

Answer:

6.25

Step-by-step explanation:

(x-a)^2=x^2-2ax+a^2

2a=5

a=2.5

2.5 ^ 2 = 6.25

3 0
3 years ago
Equivalent ratios<br> I want to know the answer of this
stira [4]
Answer: for 28 copies it will cost $14

Explanation:
The ration 4:2 is equivalent to 1: .5 meaning each copy cost $.5. To determine the cost just multiply the number of copies by .5.
28 x .5 = 14.



7 0
3 years ago
After 5 years, Rachel’s amount in her savings account is $7446.52. Her account earned interest at 4.32% APR and was compounded d
Katyanochek1 [597]
\bf \qquad \textit{Continuously Compounding Earned Amount}\\\\&#10;A=Pe^{rt}\qquad &#10;\begin{cases}&#10;A=\textit{accumulated amount}\to &7446.52\\&#10;P=\textit{original amount deposited}\\&#10;r=rate\to 4.32\%\to \frac{4.32}{100}\to &0.0432\\&#10;t=years\to &5&#10;\end{cases}&#10;\\\\\\&#10;7446.52=Pe^{0.0432\cdot 5}\implies \cfrac{7446.52}{e^{0.0432\cdot 5}}=P\implies 5999.92404\approx P
5 0
3 years ago
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