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alexgriva [62]
3 years ago
5

Can someone solve question c ?

Mathematics
1 answer:
Vitek1552 [10]3 years ago
3 0
If it finished at 1:33 it would’ve started at 12:30
But if it finished at 16:17 (4:17) it would’ve started at 2:44
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Can you help me please ​
alexira [117]

Answer:

Please check the explanation.

Step-by-step explanation:

Given that

|v|=38

Ф = 120°

<u>Finding the horizontal component</u>

The horizontal component can be obtained using the formula

Vx = |v| cos Ф

     = 38 cos 120°

     = 38 (-0.5)

      = -19

Thus, the  horizontal component is:

Vx = -19

<u>Finding the vertical component</u>

The vertical component can be obtained using the formula

Vy = |v| sin Ф

    = 38 sin 120°

    = 38 (0.86)

    = 32.68

Thus, the vertical component is:

Vy = -19

  • A vector 'v' with magnitude |v| and direction Ф can be written as:

v = |v| cos Ф i + |v| sin Ф j

As

|v|=38

Ф = 120°

Thus, the vector is

v = 38 cos 120° i + 38 sin 120° j

or

v = -19 i + 32.68 j

5 0
2 years ago
Which function is a quadratic function? c(x) = 6x + 3x3 d(x) = x – 8x4 p(x) = –5x – x2 k(x) = 2x2 + 9x4
Citrus2011 [14]
Easy
quadratic means 2nd degree

means highest power of exponent is 2
so like x^2

first one
we have 3x^3, that is 3rd degree,nope

2nd one
we have 8x^4, nope, that is 4th degree

3rd one
we have -x^2, yep

4th one, we have 9x^4, that is 4th degree

answer is 3rd one or p(x)=-5x-x^2
7 0
3 years ago
Read 2 more answers
Convert log10 1000 =3 to an exponential statement
miv72 [106K]

Answer:

10^3=1000

Step-by-step explanation:

base^ans=number attatched to the log

3 0
3 years ago
11x^3 + 15x^2 - 25x + 7 = 0​
IgorLugansk [536]

Answer:

x1 = −2.414

x2 = 0.414

x3 = 0.636

5 0
2 years ago
Chung is practicing archery so far he has fired 5 arrows at a target and hit the center 2 times at this rate if he fires 100 arr
bagirrra123 [75]
40 because if you multiply 2 by 100 it is 200 then divide that by 5 and you get 40
4 0
3 years ago
Read 2 more answers
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