Needalittlehelp
28.02.2021 •
Mathematics
Can y’all help me with it pls
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Ответ:
1. D
2. C
3. C, A F
Step-by-step explanation:
Ответ:
The horizontal distance the plane has covered is 3940 feet
Explanation:
The plane makes an angle 10° with the ground when it took off from the field.
We need to find the horizontal distance the plane when it has flown 4000 feet.
The length of the hypotenuse is 4000 feet.
Let the horizontal distance be x.
We shall find the value of x using the cosine formula.
The formula is given by
Substituting the values, we have,
Substituting the value for cos 10°, we get,
Multiplying both sides of the equation by 4000, we get,
Simplifying, we get,
Thus, the horizontal distance the plane has covered is 3940 feet