Questions by Roy Ma

Questions by Roy Ma

The answer says all cells have DNA as the geneticmaterial. But are there any cells which don't have DNA as the geneticmaterial? If so what are they and how do they survive without DNA.

asked Dec 25, 2021

1 answer

1 vote

127k views

3-12. If P(X A) 0.3, P(X B) 0.25, P(X C) 0.60, P(X A B) 0.55, and P(X B C) 0.70, determine the following probabilities. (a) P(X A) (b) P(X B) (c) P(X C) (d) Are A and B mutually exclusive

asked Nov 27, 2021

1 answer

3 votes

162k views

Over time, tensions arose between the owners of the railroads and Western farmers and ranchers over the issue of 1.Train schedules. 2.Transporting goods back West. 3.Building new railroads. 4.High shipping

asked Oct 9, 2021

1 answer

3 votes

2.8k views

Which physical evidence supports the evolution of Earth due to chemical weathering? (10 points!) a Hammer shape of Bryce Canyon rocks b Red color of Bryce Canyon rocks c Streaks on the face of Wave Rock

asked Jul 14, 2021

2 answers

2 votes

226k views

Solve the equation. x/2 = x/5 + 8 Please help me asap haha

asked Jul 7, 2021

2 answers

3 votes

133k views

Together, Steve and Tom sold 104 raffle tickets for their school. Steve sold 17 more than twice as many raffle tickets as Tom. How many raffle tickets did each boy sell? How many tickets did Tom sell?

asked May 16, 2021

1 answer

4 votes

111k views

Can someone help with this one

asked Apr 17, 2021

1 answer

0 votes

222k views

1. Good news! There is a food truck for sale in your town that you have decided to buy. What type of food will you serve?

asked Mar 28, 2021

2 answers

5 votes

213k views

A sphere is inside a cube.The diameter of the sphere is equal to the edge length of the cube. What portion of the volume of the cube is taken up by the sphere? Options: 1/8, 3/8, 2pi/16, pi/16, pi/48.

asked Mar 12, 2021

1 answer

3 votes

190k views

A large waffle cone has a height of 7.25 inches and a diameter of 3.25 inches. Two scoops of sorbet are placed on the wide end of the cone. The scoops are spheres with a diameter of 3.25 inches. If all

asked Feb 9, 2021

1 answer

1 vote

140k views

Michael is asked to factor the polynomial expression x3 + x2 – 34x + 56. Which of these is a factor of the polynomial? X- 2 X-4 X-6

asked Oct 13, 2020

1 answer

4 votes

180k views

Which among following is called "gift of the nile"? a.china b.india c.iraq d.egypt

asked Jun 9, 2020

2 answers

4 votes

12.0k views

I need help with this!!!

asked Mar 27, 2020

1 answer

4 votes

130k views

I really need help with this biology question. True or False Intelligence is not related to heredity.

asked Feb 6, 2020

1 answer

3 votes

82.5k views

Can I get some help fam mucho appreciated

asked Dec 26, 2019

1 answer

2 votes

219k views

What are the coordinates of the image of point R(3, -4) after a reflection over the line x = 5?

asked Aug 5, 2018

1 answer

4 votes

40.8k views

What is the value of x, when 3x2 = 18 3 4 ?

asked Jul 12, 2018

1 answer

3 votes

125k views

What is 790.95 rounded to the nearest cubic meter?

asked May 27, 2018

2 answers

4 votes

207k views

Miss Jones attended a a southern living home party she purchased a vase which cost $34.99The shipping charge was three dollars and 8.25% sales tax was paid on the subtotal which included the shipping charge

asked Apr 6, 2018

1 answer

5 votes

53.2k views

Drivers must be careful when driving close to cyclists, and should keep at least ____ feet apart when passing cyclists on the road. A. 3 B. 4 C. 5 D. 6

asked Oct 24, 2017

1 answer

1 vote

187k views

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