Questions by Grapefruitmoon

Questions by Grapefruitmoon

Its urgent.. (a) A sound wave has frequency of 3 kHz and a wavelength 45 cm. How long will it take to travel 1.8 km?

asked Feb 10, 2021

1 answer

5 votes

8.5k views

23. Why did President Eisenhower send federal troops to Little Rock, Arkansas?

asked Feb 1, 2021

1 answer

1 vote

92.0k views

Which term means the crossing of two different species that share common genes? Group of answer choices hybridization mutation population recombination

asked Jan 16, 2021

1 answer

1 vote

89.0k views

Compressor clutch controls are being discussed. Technician A says a clutch may be cycled on and off based on system pressure. Technician B says some clutches will not be cycled on-off unless the driver

asked Jan 1, 2021

1 answer

5 votes

202k views

Country A exports technology, petroleum, and automobiles. Country B makes most of its money exporting steel and steel products. A new metal is discovered that is more affordable and durable than steel.

asked Aug 12, 2020

2 answers

3 votes

35.0k views

Why did a witch-hunting craze began in the mid-sixteenth century and wane by the mid seventeenth century?

asked Jul 27, 2020

1 answer

0 votes

167k views

Police radar guns measure the speed of moving vehicles by transmitting electromagnetic waves at a vehicle and detecting a Doppler shift in the reflected wave. Suppose a police radar transmits at a frequency

asked May 18, 2020

1 answer

1 vote

211k views

1. A scientist is observing the reproduction of a certain bacteria. On Monday, she started with 2 bacteria and the number of bacteria doubled each day. How many bacteria will there be on Saturday? (a)

asked Mar 4, 2020

2 answers

0 votes

210k views

Each country has a unique economic system to allocate its scarce resources. However, the economic system of most of the world's nations are a combination of the central planning external planning internal

asked Jan 22, 2020

1 answer

1 vote

41.0k views

What is the following product 3 sqrt 5 * sqrt 2

asked Mar 26, 2019

2 answers

5 votes

138k views

Which is one way that a person with asthma can maintain a healthy Respiratory system

asked Mar 7, 2019

2 answers

1 vote

38.1k views

What is the second step when factoring the trinomial ax ^2+bx+c after looking for a common factor in each term? a)

asked Mar 4, 2019

1 answer

2 votes

134k views

Which macromolecule is the main source of energy for living organisms? A_fat B_nucleic acid C_protein D_carbohydrates

asked May 28, 2018

2 answers

1 vote

9.0k views

Which of the following points are more than 5 units from the point P(-2, -2)? Select all that apply. A. A(1, 2) B. B(3, −1) C. C(2, −4) D. D(−6, −6) E. E(−5, 1)

asked Jan 15, 2018

1 answer

1 vote

85.6k views

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