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Anastaziya [24]
2 years ago
15

Two planes leave an airport at the same time. Each flies at a speed of 110 mph. One flies in the direction N 60° E. The other fl

ies in the direction S 40^ E How far apart are the planes after 3 hours?
P.S. We are doing the law of sine
Mathematics
1 answer:
Dmitriy789 [7]2 years ago
4 0
40^2 is how far apart the planes are after three hours travel
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FIRST ONE TO ANSWER GETS BRAINLIEST!!!!
-Dominant- [34]

Answer:

The maximum distance traveled is 4.73 meters in 0.23 seconds.

Step-by-step explanation:

We have that the distance traveled with respect to time is given by the function,

d(t) = 4.9t^2-2.3t+5.

Now, differentiating this function with respect to time 't', we get,

d'(t)=9.8t-2.3

Equating d'(t) by 0 gives,

9.8t - 2.3 = 0

i.e. 9.8t = 2.3

i.e. t = 0.23 seconds

Substitute this value in d'(t) gives,

d'(t) = 9.8 × 0.23 - 2.3

d'(t) = 2.254 - 2.3

d'(t) = -0.046.

As, d'(t) < 0, we get that the function has the maximum value at t = 0.23 seconds.

Thus, the maximum distance the skateboard can travel is given by,

d(t) = 4.9\times 0.23^2-2.3\times 0.23+5.

i.e. d(t) = 4.9\times 0.0529-2.3\times 0.23+5.

i.e. d(t) = 0.25921-0.529+5.

i.e. d(t) = 0.25921-0.529+5.

i.e. d(t) = 4.73021

Hence, the maximum distance traveled is 4.73 meters in 0.23 seconds.

5 0
3 years ago
In construction, floor space must be planned for staircases. If the vertical distance between the first and second
ArbitrLikvidat [17]
1038374844 because land iris
4 0
2 years ago
How do you solve for 3x-3=9
Brrunno [24]

Answer:

x=4

Step-by-step explanation:

3x-3=9

   +3=+3

3x=12

3x=12

divide both sides by 3

leaving x by itself

12/3=4

x=4

5 0
2 years ago
Read 2 more answers
Solve for x. -3(x+n)=x
marusya05 [52]

Answer:

x = 3/4 n

Step-by-step explanation:

-3(x+n)=x

Distribute

-3x-3n = x

Add 3x to each side

-3x-3n+3x= x+3x

3n = 4x

Divide by 4

3/4n = 3x/3

3/4 n = x

3 0
3 years ago
Calculeaza diferenta nr 824532 si 698845 apoi dubleaza rezultatul.
natita [175]

Răspuns:

693860

Explicație pas cu pas:

Diferența dintre: 824532 și 698845

824532 - 698845 = 125687

Dublând rezultatul, r:

2 * 125687 = 251374

Pentru a obține: 3 * 315078 = 945234

Numărul care trebuie adăugat la r, în altul pentru a obține 945234 este:

945234 - 251374 = 693860

Prin urmare, 693860 trebuie adăugat la 251374 pentru a obține (3 * 315078)

4 0
3 years ago
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