# Posts by Yuri

Total # Posts: 32

**college physics**

A ball rolls off the edge of a level tabletop. It travels 36.5 cm horizontally and falls a vertical distance of 81.9 cm. What is the magnitude and direction of the velocity of the ball at the instant it reaches the floor?

**Genetics/Bio**

RNA interference can repress proteins by all of the following mechanisms EXCEPT: a. promoting histone acetylation. The following are all examples of a histone modification EXCEPT: a. acetylation to repress transcription. I know for a fact that both of these are correct.

**Math Check**

Hi! I posted this question yesterday and it was answered but I forgot to add something else to the directions. Directions: Write the system of equations sequentially so that it will correspond to the final matrix. Matrix: [-10 2 | 48] [-5 -6/4 |-9] My answer: 10x+2y=48 -5x+-6/...

**Math Check**

She wants me to do this sequentially, too. Is that done sequentially?

**Math Check**

Hi! Can someone check this for me? My teacher wants me to write the system of equations that will correspond to the final matrix. I have the matrix already, but I need help with the writing the system stuff. Thanks! Matrix: [-10 2 | 48] [-5 -6/4 |-9] My answer: 10x+2y=48 -5x+-...

**math**

sorry

**math**

I like it, just my "trip"

**math**

solution pls

**math**

the side of an equilateral triangle measures 5 cm more than the side of a square. if both their perimeters are the same, what are their sides?

**English (Dracula)**

1. What do we learn about Dracula's history from the first four chapters? 2. What do we learn about Dracula's likes, dislikes, habits, and abilities? 3. What is Dracula's plan for Jonathan Harker?

**math**

if x is the number of trees make an equation that shows the y number is the number of grocery paper bags made by the trees

**math**

24,574 more than the product of 17,568 and 100? 17,615,638 less than the product of 15,615 and 100?

**math**

24,574 more than the product of 17,568 and 100? 17,615,638 less than the product of 15,615 and 100?

**english**

can someone explain this quote"I Have measured out my life with coffee spoons" by T.S.Eliot

**English**

can somebody explain to me the meaning of the quote of Horace."It is of no consequence of what parents a man is born,so he be a man of merit".

**math**

18-12/___+6=21 17-5x___+6=8 9-5x___/10+2=9 10+6x___-8=20 8+5x___-6/3=16

**math**

no,the 3rd one is fill in the blank... can i add more?im just checking my other answer.17-3x5+4/2=

**math**

7-8/2+2= 6+8/2-2x5= 18-12/___+6=

**sosial studen**

A model rocket was launched to an attitude of 54,925 feet.how many feet above 10 miles did it traval?

**GEOMETRY (Angles) PLEASE**

in triangle ABC, angle b is 5 more than twice angle A and angle C iss 35 less than three times angle A. Find the angles of triangle ABC

**science**

i dont know the answer that is me questions

**calculus**

1. Consider the function f(x) = X^(4/3) +4x^(1/3) on the interval -8 ≤ x ≤ 8. a. Find the coordinate of all points at which the tangent to the curve is a horizontal line. b. Find the coordinate s of all points at which the tangent to the curve is a vertical line. ...

**calculus**

1. A solid is constructed so that it has a circular base of radius r centimeters and every plane section perpendicular to a certain diameter of the base is a square, with a side of the square being a chord of the circle. a. Find the volume of the solid. b. If the solid ...

**calculus**

1. Consider the function f(x) = X^(4/3) +4x^(1/3) on the interval -8 ≤ x ≤ 8. a. Find the coordinate of all points at which the tangent to the curve is a horizontal line. b. Find the coordinate s of all points at which the tangent to the curve is a vertical line. c...

**AP Calc**

If y=2x-2 , what is the minimum value of the product xy? A. -16 B. -8 C. -4 D. 0 E. 2

**Finance**

I'm conducting a research paper about financial crisis of 2008 and would like some input. Which is better, regulating banks or deregulating banks? Why?

**physics**

how can you solve it using work power and energy?

**SAT Math**

A container in the shape of a right circular cylinder contains 12 liters of liquid when it is filled to 3/4 of its height. How many liters does it contain when it is completely filled?

**problem solving**

A freight train travel 53.7 miles per hour. About how many miles did the freight train travel in 2.1 hours?

**physic**

a tank contains 26.0 kg of oxygen gas at a gauge pressure of 8.70 atm. if oxygen is replaced by helium, how many kilograms of the latter will be needed to produce a gauge pressure at 7.00 atm?

**MATH**

LYNN IS RIGHT.

**SOCIAL STUDIES**

To what extent did the French Revolution adhere to the principles of liberty, equality and fraternity? Not sure if this will answer your question, but these are my thoughts. The french started their little revolution a little while after the american revolution. basically, ...