Questions by Dong Ma

Questions by Dong Ma

What is the diameter of a circle that has a radius of 121 feet ?

asked Dec 8, 2024

2 answers

4 votes

106k views

Water has a vapor pressure of 18.0 torr and a density of 0.997 g/mL. Methanol (CH3 OH) has a vapor pressure of 126.8 torr and a density of 0.791 g/mL. Calculate the vapor pressure (in torr) of a solution

asked Nov 16, 2024

2 answers

1 vote

101k views

The marketing mix represents the controllable elements in the marketing environment. It includes product, price, promotion, and place.

asked Sep 19, 2024

1 answer

5 votes

101k views

For the first 30 km, a bicyclist ride at a speed of v km/hr. For the remaining 17 km, he rode at a speed that was 2 km/hr faster than his original speed. What was the time t that he spent on the entire

asked Jul 23, 2024

1 answer

5 votes

184k views

What is the circumference of this circle? d = 12 cm circumference = [?] cm Round your answer to 2 decimal places. Answer Enter

asked Apr 5, 2024

1 answer

0 votes

134k views

One way trade helps Us Businesses and workers?

asked Jan 15, 2023

1 answer

3 votes

113k views

I NEEEEEEEEEEEEEEEEEEEEEEEEEEEED HEEEEEEEEEEEEEEEELLLLLLLPPPPPPP

asked Dec 4, 2022

2 answers

17 votes

176k views

Sue plans on making pasta for dinner. She adds 850g of water to a pot and places it on the burner which is turned to high. Sue checks the pot after ten minutes and discovers it is boiling. How much energy

asked Nov 13, 2022

1 answer

1 vote

49.5k views

Mcq questions in psychology for nursing

asked Nov 2, 2022

1 answer

3 votes

47.3k views

HELP 30 POINTS The picture above shows a cross section of the Earth’s interior including both oceanic crust and continental crust. Along the seafloor, there are mid–ocean ridges where magma rises to the

asked Oct 2, 2022

1 answer

1 vote

9.7k views

What is the signifcence of H, 2H, 3 H, H2, 2 He, Na, Snaco, ouco, CO, 460?

asked Sep 22, 2022

1 answer

0 votes

136k views

algebra 2 Can you help me pls

asked Sep 15, 2022

1 answer

1 vote

157k views

PLEASE ANSWER ASAP. How are direct democracy and representative democracy similar?

asked Jun 19, 2022

1 answer

3 votes

196k views

Suppose that 10% of all bits transmitted through a digital communication channel are erroneously received and that whether any particular bit is erroneously received is independent of whether any other

asked May 14, 2022

1 answer

19 votes

192k views

What is the equation for acceleration and what does each variable mean?

asked Feb 7, 2022

1 answer

3 votes

14.8k views

Set up the differential equation that describes the motion under the assumptions of this section. Solve the differential equation. State whether the motion of the spring-mass system is harmonic, damped

asked Dec 7, 2021

1 answer

4 votes

102k views

6. You are holding a rock with a mass of 0.30 kg. You let the rock drop from your hand. It hits the ground 0.75 seconds later. How fast was the rock moving right before it hit the ground? For credit, show

asked Dec 7, 2021

1 answer

4 votes

168k views

Miranda and Jean are planning a trip together. They want to drive, but they're not sure whose car to take. Jean's car uses 5/12 gallons of gasoline to travel 12 1/2 miles. Miranda's car can go 20 5/7 miles

asked Aug 20, 2021

1 answer

3 votes

108k views

For the Data Set below, calculate the Variance to the nearest hundredth decimal place. (Do not use a coma in your answer) 175 349 234 512 638 549 500 611

asked Aug 2, 2021

1 answer

5 votes

41.6k views

A survey of 400 400400 randomly selected homes from a large city with over 30 , 000 30,00030, comma, 000 homes showed that 16 1616 of the sampled homes didn't have a television. Based on this sample, which

asked Jun 22, 2021

2 answers

4 votes

187k views

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