Recent activity by Mark Theunissen

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Calculate the Mach number for sound given the temperature and the speeda. 332 m/s at 30°Cb. 340 m/s at -10°Cc. 6000 km/h at 13°Cd. 6000 km/h at -13°0

answered Dec 19, 2023

1 answer 120k views

8. Why is "How many continents are there?" not a statistical question? (1 point) there is only one answer O the answer is unknown Othe answer is less than ten Oeveryone knows the answer

answered Nov 23, 2023

1 answer 171k views

The most famous example is that after the end of World War II, in order to detect the country's biological and chemical weapons defense capabilities, decided to test the threat of biological and chemical

answered Nov 19, 2023

1 answer 198k views

John wants to arrive at his sister's house in time for lunch at 1:30 pm.he plans the journeyit takes 5hours to drive to Newcastle.John also needs 10mins to fill up fuel.he is going to stop for 45 mins

asked Aug 28, 2023

1 answer 175k views

Help please i need this done!!

answered Jul 27, 2023

2 answers 76.3k views

Can u pls help because it is difficult

answered Jun 26, 2023

2 answers 134k views

Which symbol represents a type of radiation that has the same mass as an electron and a positive charge? OA. e OB. OY O C. e O D. He

answered Mar 1, 2023

1 answer 62.5k views

Which of these statements best describes soil? A. The dead medium that plants grow in B. A source of water contamination C. A type of goological layer D. A complex ecosystem that plants grow in

asked Jan 28, 2023

1 answer 217k views

If a mechanic uses his credit card to pay for a compressor that costs $477.95 and does not pay on it until the second month, what will the 1.5% monthly interest charge be at the end of the first month?

answered Jan 23, 2023

2 answers 201k views

Find each unit price and decide which is the better buy. Assume that we are comparing different sizes of the same brand.Frozen orange juice:$1.57 for 14 ounces$0.57 for 4 ounces----------------------------Find

answered Jan 20, 2023

1 answer 184k views

Plz help!! Photography assignment!!! Answer as many as you can!!!! Answer the following question in complete sentences describing technology and photography. What have been three technological changes

answered Dec 15, 2022

1 answer 116k views

ANSWER PLS DONT SEND A LINK IF U DO I WILL REPORT U

asked Dec 12, 2022

1 answer 8.7k views

Help me please…………………

answered Dec 11, 2022

1 answer 70.5k views

Conjugate the verb cerrar. Include the subject pronoun. Use a semicolon to separate each conjugation. For example, yo corro; tú corres; él corre, etc. Be careful with accents. á, é, í, ó, ú. Remember to

asked Dec 1, 2022

1 answer 124k views

What is the perimeter of quadrilateral of MNPQ?

answered Dec 1, 2022

1 answer 184k views

The coordinate grid shows the plot of four equations: A coordinate grid is shown from negative 12 to positive 12 on the x axis and also on the y axis. Line A passes through the ordered pairs negative 3,

answered Sep 14, 2022

2 answers 20.8k views

A kangaroo jumps to a vertical height of 2.70 m. How long was it in the air before returning to Earth? ***** Use your velocity initial from above a 0.74 s b 1.48 s c 3.63 s d 0.00 s

answered Sep 1, 2022

1 answer 119k views

Revenue from Monorail Service, Las Vegas In 2005 the Las Vegas monorail charged $3 per ride and had an average ridership of about 28,000 per day. In December 2005 the Las Vegas Monorail Company raised

answered Jul 25, 2022

1 answer 87.9k views

Solve for x pls help

asked Jul 24, 2022

1 answer 18.8k views

Reading books with electronic devices has become very popular, whereas, many people still prefer reading a paper book. Some claim that it is just not the same experience since reading a paper book allows

asked Jul 2, 2022

1 answer 163k views

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