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Lelechka [254]
2 years ago
14

100 PTS TO THE FIRST PERSON WHO ANSWERS IT CORRECTLY

Mathematics
1 answer:
torisob [31]2 years ago
4 0

Step-by-step explanation:

the point coordinates at the end of their flights are

x = cos(angle) × distance

y = sin(angle) × distance

remember, cosine is on the x-axis (left and right values), sine is on the y-axis (up and down values).

and the values of sine and cosine are standard for the norm circle with radius = 1.

but in such cases the radius is much larger that 1, and we have to multiply it with the trigonometric functions for scaling reasons.

the radius is always the angled connection from the center of the circle to the point on the arc of the circle. in our cases the travel distances of the shuttles.

so, if we consider the central staffing point as (0, 0), they end up at the following coordinates :

the inner (lower) angle for Mr. Scotts trip is

90-30 = 60°

and his coordinates are

(cos(60)×100, sin(60)×100) =

= (0.5×100, 86.60254038...) = (50, 86.60254038...)

the inner (lower) angle for Mr. Spock's trip is

90-62 = 28°

and his coordinates are

(cos(28)×110, sin(28)×110) =

= (97.12423521..., 51.64187191...)

the distance between these 2 points is

distance² = (Spockx - Scottx)² + (Spocky - Scotty)² =

= (47.12423521...)² + (-34.96066847...)² =

= 2,220.693545... + 1,222.24834... =

= 3,442.941885...

distance = 58.67658719... km

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Zina [86]

Answer:

\frac{x^3-3x^2+4x-7}{x-3} =(x^2+4)+\frac{5}{x-3}

Step-by-step explanation:

We are given polynomial as

P(x)=x^3-3x^2+4x-7

and it is divided by x=3 or x-3

we can use synthetic division

so, we got

Remainder =5

Quotient is

=x^2+0x+4

=x^2+4

we can write as

\frac{x^3-3x^2+4x-7}{x-3} =(x^2+4)+\frac{5}{x-3}


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Find the approximate solution(s) to each of the following equations graphically. Use technology to support your
ser-zykov [4K]

Answer: x" = 5.69

Step-by-step explanation:

The graphic solution is attached.

Verifying the solution:

Existence condition: x > 0

2x - 4 = √x + 5

√x =2x - 4 - 5

√x =2x - 9 (²)

x = (2x - 9)²

x = 4x² - 36x + 81

4x² - 36x - x + 81 = 0

4x² - 37x + 81 = 0

Δ = -37² - 4.4.81 = 1369 - 1296 = 73

x = 37 ±√73/8                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          

x' = 3.55

x" = 5.69

checking:

2*3.55 - 4 = 3.1

√3.55 + 5 = 6.88 Its not the same ∴ 3.55 is not a solution

2*5.69 - 4 = 7.39

√5.69 + 5 = 7.39 ∴ it's the only solution

4 0
3 years ago
6th grade math ! help me please :)
malfutka [58]
1. N + 2; n = 6: the answer is 8 because n=6 so we sub n with that... and we get 6+2 and that’s 8.

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3. 7b-2; where b=5: the answer is 33 because 7 multiplied by 5(b) minus 2= 7(5)-2 or 7•5-2= 33 because you will multiply 7 by 5 and get 33 then you will subtract by 2 and get 33.

Hope this helps!!!
7 0
3 years ago
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