Amount of money Ann earned this week = Amount of money earned in 1hour × Number of Hours she worked
Amount of money Ann earned this week = (4x + 3) × (2x - 1)
= (4x + 3) (2x - 1)
{Draw lines like rainbows to let yourself know which numbers to multiply by}
= (4x × 2x) + [4x × (-1)] + (3 × 2x) + [3 × (-1)]
{Always remember to put in the negative signs if the number if negative}
= 6x^2 + (-4x) + 6x + (-3)
= 6x^2 - 4x + 6x - 3
{Simplify}
= 6x^2 + 2x - 3
The scientists need to measure for forces are magnitude and direction.
<h3>What is Force?</h3>
The force is defined as the external effort applied in the form of push or pull to cause the acceleration of a body.
Mathematically it is expressed as the product of mass and acceleration of an object.
therefore standard expression for the force as per Newton's second law is given as,
F = ma
Here,
m is the mass of the body.
a is the magnitude of the acceleration of the body.
Also, the force is a vector quantity that has significance for its magnitude as well as the direction.
So scientific analysis regarding the force needs its magnitude along with the direction of application.
Thus,The scientists need to measure for forces are magnitude and direction.
Learn more about Newton's second law here:
brainly.com/question/23845187
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Answer:
B
Luke said he met Michael Jordan when he went to a Bulls game, but Michael Jordan was too busy to sign autographs.
Answer:
Ourselves, Themselves, Yourselves
Explanation:
All of these are pronouns with 'selves'
Answer: c. The Gravitational Force forms an action-reaction pair
Explanation:
Newton's third law of motion talks about how for every amount of force exerted, there is an equal yet opposite reaction force exerted. This gives rise to Action-Reaction pairs.
Gravitational force forms an action-reaction pair when it is exerted for instance, the Gravitational force exerted on a person by the Earth is a person's weight. At the same time however, the person is exerting a gravitational force on the earth in the form of their weight.
