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tatiyna
3 years ago
11

The angle of depression from the top of a 150 m high cliff to a boat at sea is 7 degree. How much closer to the cliff must the b

oat move for the angle of depression to become 19 degree.

Mathematics
1 answer:
pishuonlain [190]3 years ago
8 0
The angle of depression from the top of a 150 m high cliff to a boat at sea is 7 degree. How much closer to the cliff must the boat move for the angle of depression to become 19 degree.

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Hannah buys 2 1/2 lbs of dried fruit for $1.50. How much is she paying for one pound of dried fruit?
Virty [35]
$.60 a lb.
Just divide $1.50 by 2.5lbs. 
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4 years ago
Plz help me with this ?
chubhunter [2.5K]

Answer:

cant see attachment

Step-by-step explanation:

6 0
3 years ago
Don't be rude. Answer the questoin .<br>​
MAXImum [283]

Answer:

Step-by-step explanation:

3. sin^2A + cos^2A = 1  (formula )

1 + tan^2 theta = sec^2 theta  (derived from the formula sec^2 theta - tan^2 theta )

b.2x = 12 (by comparing the corresponding element)

x = 12/2

x = 6

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y = 12/3

y = 4

mean = sum of data / no of data

4+7+5+9+11+6 / 6

42 / 6

7

mean = 7

to find median arrange the data from ascending to descending order (from smallest to biggest)

data = 3,4,6,8,10,12

median = (N +1)/2   (N means no of data )

=6 + 1/2

=7/2

=3.5

=3 th term + 4 th term /2

=6 +8 / 2

=14/2

=7 median = 7

to find value of theta

90° + 50° + theta = 180° (sum of interior angles of a triangle)

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theta = 180° - 140°

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Hope this helps u !!

4 0
3 years ago
A web store offers two versions of a popular song. The size of a standard version is 2.9 MB. The size of the high-quality versio
olasank [31]

Answer:

This problem is a great systems of equations problem--you have two different variables: song size and number of songs.

Let's call the number of standard version downloads (S) and the high quality downloads (H).

You can make two statements:

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For download size: 2.8(S) + 4.4(H) = 3044.

S will be the same number in both equations and H will be the same number in both equations, so to find S, we can rearrange the first statement to H = 910 - S, then substitute or plug in (910 - S) wherever you see an H in the second equation so that you have only S's in your equation. Should look like this:

2.8(S) + 4.4(910 - S) = 3044

2.8S + 4004 - 4.4S = 3044

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s = 600

Your question only asks for the standard version downloads, but to help you out in future Systems situations-

You can also solve for H once you have S by plugging it into either of your equations like this:

600 + H = 910

-600

H=310

Step-by-step explanation:

hope it help

*comment if my answer is wrong*

5 0
3 years ago
What figure has one endpoint and continues forever in one direction ?
Nesterboy [21]
That would be a ray. A mathematical ray has an endpoint but continues forever in a direction, unlike a line which continues in both directions.
7 0
3 years ago
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