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igor_vitrenko [27]
3 years ago
15

Brainliest? its rlly hard sat question

SAT
1 answer:
SpyIntel [72]3 years ago
8 0

Answer:

hiiiiiiiii

Explanation:

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c

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Linear algebra with applications 8th edition solutions
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That makes 21

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I took algebra a while ago so I may be able to help you.

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2 years ago
A pendulum is made by tying a 75 g ball to a 130-cm-long string. the ball is pulled 5.0∘ to the side and released.
Maslowich

The ball’s speed and direction at the lowest point of trajectory are; 3.1 m/s and swing to the same angle on the other side

<h3>What is the speed at the lowest point?</h3>

We will assume that all of the motion will transfer to Kinetic Energy at the lowest point. Now, the difference in height will be;

Δh = (130 – 130*cos °5) = 0.49 cm

The change in PE is;

ΔP.E = mgΔh

ΔP.E = 9.8m/s² × 0.75kg × 0.049 m

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Formula for kinetic energy is;

K.E = ¹/₂*m*v²

From conservation of energy;

K.E = P.E

Thus;

¹/₂* 0.075 * v² = 0.36015

v = √[(0.36015 * 2)/0.075]

v = 3.1 m/s

Thus, the pendulum will swing to the same angle on the other side.

Read more about Speed of Pendulum at; brainly.com/question/17054952

6 0
2 years ago
Assume that you are testing the orders database introduced in watt (2014) - appendix c. Discuss the problems and possible conseq
Diano4ka-milaya [45]

The problems with orders database are;

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  • Unresponsive Customer Service: When the issues of customer, yare not addressed on time,  customers may be rude to the brand and other issues will arise.

<h3>What are the problems with databases?</h3>

The  Database Problems are:

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  • Scaling Problems.
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A database is known to be a form of organized make up of structured information, or data, that are said to be stored electronically in a computer system.

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brainly.com/question/518894

6 0
2 years ago
Read the sentence:
nikdorinn [45]

Answer:

B

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i think that's competence meaning

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3 years ago
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