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rjkz [21]
2 years ago
10

a seagull is flying at an elevation of 15 3/8 ft above the sea, and then descends 23 1/6ft to catch a fish in the ocean. What wa

s the elevation of the fish
Mathematics
1 answer:
Debora [2.8K]2 years ago
6 0
I don’t know the answer
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Given sinx= −3/5 when 3π/2 < x < 2π, find tan x/2
GarryVolchara [31]

Answer:

B -⅓

Step-by-step explanation:

sinx = -3/5

Adjacent² = 5² - 3² = 16

Adjacent = 4

tan(x) = -3/4

-¾ = 2tan(½x)/[1 - tan²(½x)]

-3 + 3tan²(½x) = 8tan(½x)

3tan²(½x) - 8tan(½x) - 3 = 0

tan(½x) = 3, -⅓

5 0
3 years ago
Read 2 more answers
Complete the factorization.
lyudmila [28]
If you would like to complete the factorization, you can do this using the following steps:

<span>4p^2 + 36p + 81 = (2p + 9) * (2p + 9) = (2p + 9)^2
</span>
The correct result would be 9.
6 0
3 years ago
The exchange rate is: £1 = $1.54 How many £ would I get for $77<br><br> Please help now
tiny-mole [99]

Answer:

£50

Step-by-step explanation:

£1 = $1.54

£x = $77

Cross multiply.

1.54x = 77

x = 77/1.54

x = 50

You would get £50 for $77.

4 0
2 years ago
Read 2 more answers
Mariana's retirement party costs $7 for every guest she invites. What is the maximum number of guests there can be if Mariana ca
SCORPION-xisa [38]

Answer: I say it’s 7

Step-by-step explanation: if she can spend $49 and it costs every guest has to pay $7, then the answer is probably 7 since you divide(?)

3 0
3 years ago
PLEASE HELP!
wariber [46]

Answer: The maximum value: P = 6x + 7y - 2 is 84 at (5,8).

Step-by-step explanation:

Here, Object of constraint P(max) = 6x + 7y - 2.

And, the system of constraints,

x≤5,   y≤(1/5)x + 7,   x≥0,   y≥0        

Since, x= 5 is a line parallel to y-axis.

And  at origin it is giving 0≤5 ( false)

Thus the area of inequality x≤5 does not contain the origin.

Now, x -intercept and y-intercept of line y=(1/5)x + 7 are (-35,0) and (0, 7) respectively.

Also, at (0, 0),  0 ≤(1/5)×0 + 7 (true)

Therefore, inequality y≤(1/5)x + 7 will contain the origin.

Now, x≥0,   y≥0  shows the first quadrant.

Thus, we get feasible region ABCD.

In which at A≡(0,7), P = 49.

At B≡(5,8), P= 84,

At C≡(5,0), P= 30,

And, D≡(0,0), P= 0

Therefore at B, P is maximum.

8 0
3 years ago
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