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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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uysha [10]
(2)2+1=5

3(1)+1=4 is your answer


5 0
3 years ago
A.) Prove that the ratio of two rational numbers must be rational.
Luda [366]

Answer:

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Step-by-step explanation:

c — Prove that (ax + b)/(cx + d) is irrational if and only if ad = bc. ... If b = 0, we have (ax + b)/(cx + d) = 0 is rational; if c = 0, since ... nonzero integers m, n ∈ Z. Then we have ... Proof. We prove by induction. When n = 1, both sides are 1/2 hence the ... So there are less than (k + 1)(2k + 1)k+1 (actually muc

4 0
3 years ago
The mass (m grams) of a bar of gold is directly proportional to its volume (V cm3)
Anni [7]

Answer:

The volume of a bar of gold with a mass of 66.5 grams is  3.5cm^{3}

Step-by-step explanation:

Given ,  mass(in grams)  ∝ Volume (in cm3)

Here, volume of  95 grams bar = 5cm3

So, thevolume of 1 gram bar = \frac{5 cm^{3} }{95 g}  = \frac{1}{19}  cm^{3}

⇒The volume of  a bar with weight 66.5 grams =  \frac{1}{19}  \times 66.5 =  3.5 cm^{3}

So, the volume of a bar of gold with a mass of 66.5 grams is  3.5cm^{3}

7 0
4 years ago
What is the median of the following numbers? 3, 5, 6, 7, 9, 6, 8
Ket [755]

Answer:

the answer is 6. I had this question Yay! i took the question and got it right.

Step-by-step explanation:

3, 5, 6, 6, 7, 8, 9. 6 is the middle number. Median means middle number or average. So 6 is the middle number. There is your answer.

7 0
3 years ago
What is the coefficient of b in the expression b² - 5b +18
zzz [600]

Answer: -5

Step-by-step explanation:

A coefficient is a number that a variable is multiplied by.

<em>Hope it helps <3</em>

6 0
3 years ago
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