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Alex17521 [72]
3 years ago
9

Find the sum of the series.

Mathematics
2 answers:
ch4aika [34]3 years ago
6 0

Answer:

as per my point to view you can use a L.C.M so you can get the answer or you can try using a exponent way like 5by 1 as n value is 1 so it may give yoh answer

valentina_108 [34]3 years ago
5 0

Answer:

1/12

Step-by-step explanation:

firstly the answer will not be -,because 5^(-n)>7^(-n)

then we try the value for first 2:(2/35)+(24/1225)=94/1225

then we can know for n=<3 the value outcome is too small

and 12×94/1225=1128/1225 and the value is nearly 1/12 and that is the answer.

or need limits to do

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An observer (O) spots a plane (P) taking off from a local airport and flying at a 33° angle horizontal to her line of sight and
docker41 [41]

Answer:

the distance of the Bird (B) from the plane (P)  is = 10779  ft

Step-by-step explanation:

From the given information:

a diagrammatic representation is attached below for better understanding and solution to the question.

From the diagram;

Let the Bird (B) be represent as A

The plane (P) be represented by B

The observer be represented by O

and the tower T be represented by C

we will see that:

\overline {AB}  \ \| \ \overline {OC}

Also;

\angle ABO = \angle BOC = 33^0

AO = BC = 7000

Let consider the trigonometry of  triangle BAO

tan θ = opposite/adjacent

tan 33° = 7000/x

0.6494 = 7000/x

x = 7000/0.6494

x = 10779.18

x = 10779  ft    ( to the nearest whole number)

Thus; the distance of the Bird (B) from the plane (P)  is = 10779  ft

7 0
3 years ago
Write 15/80 as a percentage
Pavlova-9 [17]

18.75%

How much is 15 out of 80 written as a percentage? Convert fraction (ratio) 15 / 80 Answer: 18.75%

plz mark me as brainliest :)

8 0
3 years ago
Read 2 more answers
Which is the graph of the system of inequalities
Leni [432]

Answer:

A

Step-by-step explanation:

Try testing each graph by picking a point on the shaded region or none shaded region.

-1/5 and 6= y-intercept

4/5 and 2= slope

You may notice that it is in y-intercept form. So to find where the shaded region goes, test a coordinate and apply it to the equation, if the answer is false, than half of the line is not where the shaded region goes.

6 0
3 years ago
What does equal to 1+1?
Fudgin [204]

Answer:

21

Step-by-step explanation:

because look, 1+1 = 2 but if u add 2 to 1 u get 21 together.

4 0
2 years ago
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Is a triangle with the side lengths 15, 36, and 39 a right triangle?
Alex73 [517]

Answer:

yes

Step-by-step explanation:

8 0
2 years ago
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