3 years ago

A rocket is launched from a tower. The height of the rocket

Mathematics

2 answers:

Dmitry_Shevchenko [17]3 years ago

7 0

Answer:

For us to answer we have to know the height and question

Step-by-step explanation:

DanielleElmas [232]3 years ago

6 0

Answer:

Can you specify the question please. Just comment it.

Step-by-step explanation:

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42.86

Step-by-step explanation:

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3 years ago

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What expression is equavalent to -72x+60

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-24x+20

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3 years ago

Which equation represents the line that passes through points (1, -5) and (3,-17)

zvonat [6]

Answer:

A) y=-6x+1

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

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m=(-17+5)/2

m=-12/2

m=-6

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3 years ago

11-Determine the specific heat of a material if a 12-g sample absorbed 96 J as it was heated from 20°C to 40°C. *

kompoz [17]

Answer:

$c=0.4\ J/g^{\circ} C$

Step-by-step explanation:

Given that,

Mass of a sample, m = 12 g

Heat absobed by the sample, Q = 96 J

It was heated from 20°C to 40°C.

We need to find the specific heat of a material. The heat absorbed by a sample is given by :

$Q=mc\Delta T\\\\c=\dfrac{Q}{m\Delta T}\\\\c=\dfrac{96}{12\times (40-20)}\\\\=0.4\ J/g^{\circ} C$

So, the specific heat of the material is $0.4\ J/g^{\circ} C$ .

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3 years ago

Factor completely the following quadratic expression. a^3 - b^3

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$a^3-b^3$

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3 years ago