Questions by Mark Walsh

Questions by Mark Walsh

In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there?.

asked May 7, 2023

1 answer

4 votes

27.9k views

(b) A bag contains five red counters and 3 blue counters. One counter is taken at random from the bag. What is the probability of obtaining a red counter? please can your help !!!!!

asked Mar 21, 2023

1 answer

0 votes

141k views

Suppose y varies jointly as × and z. What is y when × = 2 and z = 3, if y = 20 when × = 4 and z = 3?

asked Oct 24, 2022

1 answer

5 votes

36.8k views

If a figure can be rotated n times, it has how many lines of rotational symmetry?

asked May 17, 2022

1 answer

4 votes

198k views

7. Mac and Tosh are arguing about the track design. Mac claims that the car is moving fastest at point F because it is furthest along the track Tosh disagrees, claiming that the car moves fastest at point

asked Apr 2, 2022

1 answer

11 votes

102k views

Please help. h/9 - 12 = -4 h =

asked Mar 13, 2022

1 answer

5 votes

156k views

What is the following product?

asked Mar 8, 2022

2 answers

20 votes

53.6k views

Challenge An arts academy requires there to be 3 teachers for every 51 students and 5 tutors for every 55 students. How many students does the academy have per teacher? Per tutor? How many tutors does

asked Sep 23, 2021

1 answer

3 votes

126k views

On average, a person's position in our U.S. stratification system is a product of some combination of that which happened to them (e.g. born in a certain family, place, century, race, gender, religion)

asked Sep 1, 2021

1 answer

5 votes

196k views

Copper has a specific heat of 0.385 J/gºC. If 7.67 kJ of energy is applied to an 62.0 g sample of copper originally at 26.7 °C, what will its final temperature be?

asked Aug 12, 2021

1 answer

1 vote

24.1k views

What is the difference, in hours and minutes, between these times? 11:25 and 14:10

asked Jul 22, 2021

1 answer

4 votes

72.5k views

Ms.Hernandez has $100 to spend on parking and admission to the zoo. The parking with cost $7, and admission tickets with cost $15.50 per person, including tax. Write and solve an equation that can be used

asked Jun 7, 2021

1 answer

1 vote

55.0k views

1.00 kg of copper and 1.00 kg of nickel are both heated continuously at the same rate. Determine which metal will completely melt first. Use a value of 205 kJ/kg for the specific latent heat of fusion

asked May 12, 2021

1 answer

5 votes

165k views

5 times the sum of a number and 5 is 80

asked Jan 22, 2021

1 answer

2 votes

4.7k views

What process is shown

asked Jun 15, 2020

2 answers

0 votes

11.3k views

What is the mass of an object that requires 100N of force in order to accelerate it at 10m/s2 ?

asked Apr 15, 2020

2 answers

3 votes

113k views

Explain the difference between (-10) To the second power. And -10 To the second power.

asked Feb 23, 2020

2 answers

0 votes

31.4k views

A pilot flies in a straight path for 1 hour and 30 min. she then makes a course correction, heading 10 degrees to the right of her original course, and flies 2 hours in the new direction. if she maintains

asked Feb 7, 2020

2 answers

1 vote

159k views

How did Asoka's conquering of the east coast of India in the mid 200's BCE lead to the spread of Buddhism?

asked Dec 18, 2019

2 answers

2 votes

152k views

What is the value of f? 6f−12=−4f+6 −9 −35 1 4/5 9

asked Jul 16, 2019

2 answers

3 votes

142k views

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