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Nataliya [291]
3 years ago
8

The beam from a lighthouse is visible for a distance of 14 mi. To the nearest square mile, what is the area covered by the beam

as it sweeps in an arc of 270°?
The beam covers an area of _____ mi^2.
Mathematics
2 answers:
musickatia [10]3 years ago
7 0

Answer:

529

Step-by-step explanation:

USPshnik [31]3 years ago
3 0
Idk but I need points so here u go
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Why are and Iby 4<br>and - 1 zeroes of the polynomial p(x) <br>= 4² +3x-1?​
Serggg [28]

Answer:

- 1 = 16 + 3x - 1 \\ 3x = 16 - 1 + 1 \\  \frac{3x}{3} =  \frac{16}{3}  \\  x = 5.33

7 0
3 years ago
1/4+2/3-1/2= how do I solve this
Ann [662]

Answer:

5/12

Step-by-step explanation:

First you add 1/4+2/3.

You need to change the denominator so that they are equal to each other

If you multiply the 1/4 by 3/3 you will get 3/12 which is equal to 1/4

Then you need to do the same to 2/3. This time you need to multiply it by 4/4 to get the same denominator which will be 2/3*4/4=8/12

Then you add 3/12+8/12=11/12. You don't need to add the denominator.

After this you will need to subtract 11/12 and 1/2. This time you need to only change the denominator for 1/2.

You multiply the denominator and numerator by 6/6 to 1/2 and you will get 6/12 then you are going to subtract 11/12-6/12 and you will get 5/12

6 0
3 years ago
Show the formula for finding the area of a parallelogram
liq [111]
Base times height equals area of a parallelogram
8 0
3 years ago
QUESTION 5 · 1 POINT
natali 33 [55]

Answer:

( x - 1) ( 2x + 3)

Step-by-step explanation:

It's actually the other way round.

2x^2- + x - 3

( 2x^2 - 2x) + (3x-3)

2x ( x-1 ) + 3( x-1)

( x -  1)(2x+3)

Its the other way around

HOPE IT HELPED

3 0
3 years ago
Simplify 6 - 2 3 + (-9 + 5) · 2.
Licemer1 [7]
Answer: -25

Hope this helps! <3
4 0
3 years ago
Read 2 more answers
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