2 years ago

What is y=2/3x+1 the

Mathematics

1 answer:

iVinArrow [24]2 years ago

8 0

Answer:

Step-by-step explanation:

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A force of 4 pound acts in the direction of 48degree to the horizontal. The force moves an object along a straight line from the

Dafna11 [192]

Answer:

<u>Work Done = 27.66 Joules</u>

Step-by-step explanation:

The work done is:

$W=F*d*Cos \theta$

Where

F is the fore

d is the distance moved

$\theta$ is the angle

The force is "4"

The distance is the distance from (1,7) to (8,10)

The distance is the square root of change in y coordinates, squared and sum of change in x coordinates, squared. Hence, distance is:

$\sqrt{(10-7)^2+(8-1)^2}\\=\sqrt{3^2+7^2}\\\sqrt{58}$

The angle is gotten by the formula:

$Cos\phi = \frac{Force in x direction}{Distance}\\Cos\phi = \frac{8-1}{\sqrt{58}}\\Cos\phi=\frac{7}{\sqrt{58}}\\\phi = Cos^{-1}\frac{7}{\sqrt{58}}\\\phi = 23.21$

So, now:

$\theta = 48 - 23.21 = 24.79$

Work Done = $F*d * Cos\theta = 4 * \sqrt{58} * Cos(24.79)$

<u>Work Done = 27.66 Joules</u>

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2 years ago

define a variable and write an inequality to model each situation. The school auditorium can seat at most 1200 people.

Savatey [412]

The picture is the answer

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2 years ago

The diagonals of a kite _____.

Vikentia [17]

Answer:

A. Meet at a right angle.

Step-by-step explanation:

We should know the properties of kite.

(1) The diagonals of a kite meet at a right angle.

(2) Kites have exactly one pair of opposite angles that are congruent.

Therefore, the answer is A. Meet at a right angle.

Thank you.

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3 years ago

HI GUYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYS

Viefleur [7K]

Answer:

Step-by-step explanation:

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2 years ago

If vector c = vector b + vector a, under what circumstance does c = b+a ?

Vitek1552 [10]

The sum of the magnitudes will be the magnitude of the sum when the vectors have the same direction.

6 0

3 years ago