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geniusboy [140]
3 years ago
6

Un objeto es lanzado verticalmente hacia arriba con una velocidad inicial v_o de 19,6m/s. La distancia d en metros del objeto de

spués de t segundos esta dada por la ecuación: d=v_0 t-4,9t^2
¿Cuánto tiempo debe pasar para que el objeto esté a 2 metros del suelo?
¿Cuándo el objeto alcanzará el suelo?
¿Cuándo el objeto estará a 12 metros del suelo?
¿Cuál es la altura máxima y cuando la alanzará?
Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
3 0

Answer:

deverias pre guntar en matematicas pero no podre ayudarte

Step-by-step explanation:

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Not sure how to do this
Sergio039 [100]
45 i believe it is i may be wrong!!!
5 0
3 years ago
Help me please (do the highlighted ones only​
mr Goodwill [35]

Answer:

2. 1/5

4. 1/25

6. 75%

8. 44%

10. 70% of the day sleeping.

12. He has 84% of the available quarters.

P.S. I hope this helps! This may be incorrect, so you may need to check. By the way, remember to try to do at least of the work and not rely too much on Brainly :)

The thing is, these are benchmark fractions and percentages, so they're really important to learn. You use them <em>all the time</em> as you grow older, and you won't always get the chance to look them up. Best of luck ^-^

4 0
3 years ago
If tan (theta) =5/4 and cos (theta) &lt; 0 . Find the other trig. functions.
andrew-mc [135]
Tan(theta) = 5/4
sin(theta)/cos (theta)=5/4
cos(theta)=4sin(theta)/5
sin²(theta)+cos²(theta)=1
sin²(theta)+16sin²(iheta)/25=1  /*25
25 sin²(theta)+16 sin²(theta)=25
sin²(theta)=25/41    /√
sin(theta)=\frac{-5 \sqrt{41} }{41}
cos(theta)=\frac{-4 \sqrt{41} }{41}
cot(theta)=\frac{4}{5}
csc(theta)=1/sin(theta)=\frac{- \sqrt{41} }{5}
sec(theta)=1/cos(theta)=\frac{- \sqrt{41} }{4}

5 0
3 years ago
Can u solve <br> 2x+13=-7x+28
I am Lyosha [343]

Answer:

Step-by-step explanation:

2x+13=-7x+28 =

Solutions:

x = 15

     9

≈ 1.666667

7 0
3 years ago
Read 2 more answers
25 goes into 130 how many times
GuDViN [60]
5 times.

130/25= 5.2. but in the instance that 25 as a whole, then 5 times.
5 0
3 years ago
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