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2 years ago

What is x(3x+2)?Please give a reasonable explaination and answer.

Mathematics

2 answers:

Karo-lina-s [1.5K]2 years ago

7 0

Answer:

3x^2+2x

Step-by-step explanation:

multiply each of the two terms by x using the distributive property

Andru [333]2 years ago

6 0

Answer:

3x squared + 2x as you multiply everything in the bracket by what's on the outside of the bracket so it would be 3x multiply by x which equals 3x squared and 2 multiply x which equals 2x

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Which pairs make the equation x-9y=12 true

Serggg [28]

Answer:

(12,0), (3, -1) (0,-4/3)

Step-by-step explanation:

To do this problem, you have to plug in the x and y values. For example, the first one would be 12-9(0)=12, and so on.

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3 years ago

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2 years ago

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Step-by-step explanation:

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3 years ago

What force would have been applied to the bus from t=16 s to t=21 s? Assume the mass of the bus was 50 kg.

Svetllana [295]

Applying Newton's Second Law, it is found that the force, in Newtons, is given by:

$F = 10[v(21) - v(16)]$

Newton's Second Law states that Force, in Newtons, is <u>mass times acceleration</u>, that is:

$F = ma$

In this problem, mass of 50 kg, thus $m = 50$

Acceleration is <u>change in velocity divided by change in time</u>, that is:

$a = \frac{\Delta_v}{\Delta_t}$

In this problem, we don't know the velocities, but know that time is from 16s to 21s, thus:

$\Delta_t = 21 - 16 = 5$

$\Delta_v = v(21) - v(16)$

Thus, the force is given by:

$F = ma$

$F = m\frac{\Delta_v}{\Delta_t}$

$F = 50\frac{[v(21) - v(16)]}{5}$

$F = 10[v(21) - v(16)]$

A similar problem is given at brainly.com/question/18801986

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2 years ago

Will mark brainly if correct

netineya [11]

Answer:

Answer is 3.5

Step-by-step explanation:

slope is 7/2 which is 3.5:)

6 0

2 years ago