Saturday
April 19, 2014

Posts by lily


Total # Posts: 1,091

Algebra 2
Thank you

Algebra 2
The graph of x^2 - 12y = 12x - 12 is the graph of a(n) ________. Parabola?

biology
For each of these restriction enzymes, determine whether or not the enzyme would cut the normal, Mutant A, Mutant B, or Mutant C DNA sequences described in part (g) and select your answers in the table below:

Algebra 2
Thank you!

Algebra 2
The graph of 11x - x^2 - 4y^2 = 2y - 16 is the graph of a(n) ________. a. circle b. ellipse c. hyperbola d. parabola C?

Algebra 2
Thanks!

Algebra 2
The graph of 5x - 9y^2 = 12 - 4y is the graph of a(n)______. a. circle b. ellipse c. hyperbola d. parabola C?

Probability Math
A committee of four students will be selected from a list that contains six Grade 9 students and eight Grade 10 students. What is the expected number of Grade 10 students on the committee?

Math
At the Statsville County Fair, the probability of winning a prize in the basketball toss game is 0.1. a) Show the probability distribution for the number of prizes won in 8 games (round to 6 decimal places). b) If the game will be played 500 times during the fair, how many pr...

Algebra 2
Thank you!

Algebra 2
Find the expansion of (r + 4)^3. r^3 + (3r^2)(4) + 3r16 + 64?

Physics
To measure how far below the ocean surface a bird dives to catch a fish, a scientist uses a method originated by Lord Kelvin. He dusts the interiors of plastic tubes with powdered sugar and then seals one end of each tube. He captures the bird at nighttime in its nest and atta...

social studies
what is one power given to the state governments in the Constitution

Math
So it's rhombus

Math
Select the geometric figure that possesses all of the characteristics: (1) four equal sides (2) both pairs of opposite sides are parallel (3) it doesn't contain any right angle A) square B) parallelogram C) rhombus D) isosceles triangle I know it's not A or D

Chemistry
If there are 2L of H2 gas at .625 atm, and 1L of N2 gas at .200 atm isolated in two flasks, what are the final partial pressures of each, and the total pressure, after the valve between the two flasks has been opened and the gases are allowed to mix? Is this simply a ratio pro...

Busines Ethics
Imagine you are a salesperson.When does offering a gift,Such as basketball tickets,become a bribe rather than just a sales practis ?

math
If line 1 passes through (2, -6) and (-2, -2) and line 2 passes through (-3, 2) and (2, 12), where will line 1 and line 2 intersect? a)(-4,0) b)(-2,-3) c)(-6,2) d) (-2,-2)

math
in the problem its doesn't give me an ^ its a table for an equation in this case y1=6+2x and i need to find the "y1"

math
y1=6+2x x1 y1 -3 ? -2 ? -1 ?

Number Theory
Yan was opening a new restaurant, so she went to the sign store to get letters to make a sign to hang above the storefront. When she got to the sign store, the only letters they had in stock were two copies of the letter 'X,' two copies of the letter 'E,' and o...

math
y1=6+2x x1 y1 -3 ? -2 ? -1 ?

math
y1=6+2x x1 y1 -3 ? -2 ? -1 ?

math
what is the slope of the graph? what does it mean in the context of the problem? the slope for the problem is 2 i don't understand the second question then it says what is the y-intercept and what does the y-intersept represent. for the problem the y-intercept is 3, the se...

math
what is the slope of the graph? what does it mean in the context of the problem? the slope for the problem is 2 i don't understand the second question then it says what is the y-intercept and what does the y-intersept represent. for the problem the y-intercept is 3, the se...

Biochemistry
B! i need B, my brain sucks and won't answer B

Algebra 2
Solve 12^x = 14^3x. I know I need to make the bases the same, but I don't know how.

Algebra 2
Thank you!

Algebra 2
Find a value(s) that makes the expression y^2 - 16 ---------- undefined. y^2 + 16 y=4i?

physics
a 2.1 weight receives 210 j of kinetic energy by a launcher, which is pointed straight up.

physics
a 2.1 weight receives 210 j of kinetic energy by a launcher, which is pointed straight up.

math
Identify a variable that could be described with an approximately normal distribution, and explain how you came to this conclusion.

Chemistry
A 1.44-g sample of an unknown pure gas occupies a volume of 0.336 L at a pressure of 1.00 atm and a temperature of 100.0 degrees Celsius. What is the unknown gas?

Chemistry
A 1.44-g sample of an unknown pure gas occupies a volume of 0.336 L at a pressure of 1.00 atm and a temperature of 100.0 degrees Celsius. What is the unknown gas?

science
what combination of mediums will produce a stright line of light? how do you correct for hyperopia? how do you correct for myopia? what kind of people have an astigmatism? what part of the eye act as a lens and what part acts as a screen? how do different types of lenes bend l...

Math:o
Thank you.

Math:o
It takes a florist 3h 15min to make 3 small centerpieces and 3 large cebterpieces. It takes 6h 20min to make 4 small centerpieces abd 7 large centerpieces. How long does it take to make each small centerpiece and each large centerpiece? Write and solve a system of equations to...

Algebra
Thank you so much!:)

World Geography
The first one is c.

computer
Assume you have a computer that contains 2GB of memory. It contains four memory slots. Each slot can contain 128 MB, 256 MB, 512MB, 1 GB, or 2GB memory modules. Currently, each slot contains a 512MB memory module. What combinations of memory modules will satisfy your memory up...

algebra 1
The value, V, of a certain car after n years is given by the formula below. V = 32,000(0.75)n Based on the formula, what is the value of this car after 3 years? is it 72000

algebra 1
so is the answer 4 because 21*4 = 84

algebra 1
The formula for the volume, V, of a prism is V = Bh, where B equals the base area, and h is the height of the prism. What is the height of a prism with base area 21 cm2 and volume 84 cm3?

algebra 1
Josh hit a baseball straight up into the air. The equation below describes the height of the ball (h), in meters, as a function of time (t) in seconds. h(t) = -9.8t² + 30t + 1.5 What is the height of the ball after 3 seconds? i keep getting -195.9

algebra 1
not it is 71.6 right

algebra 1
is it 145.1

algebra 1
The formula for the height of a falling object is shown below, where h is the height of the object in meters, t is the time in seconds, and k is the height, in meters, from which the object began its fall. h = –4.9t² + k If a rock is dropped from a building that is 1...

Math
c

Physics Grade 11
The normal force is always perpendicular to the surface. So if the box is on a horizontal surface the Normal force it will be equal to the weith of it (mass *gravity) N= m*g N=117.6N the friction force always oposses to the movement and it will be equal to the horizontal compo...

Math
Simplify the expression. 9p - 2q - 3 + 10q - 4r + 12

ENG
I'm trying to write a paragraph with levels of generality for English. Here's what I have so far... I need help with grammar and punctuation... also does it make sense ? In the city of Carson, California there is a small house on Mesa Boulevard that is shared among fiv...

Math question
How many gallons of organge juice are in a full size family jug? I think 1 gallon?

accounting
What is the value of the following future amount? a)RM800 to be received 10 years from now discounted back to present at 10%.

accounting
What is the present value of RM6, 500 to be received 10 years from today if our discount rate is 10%?

accounting
Adam place RM2, 000 in a saving account paying 5% interest compounded annually, how much will Adam account accrue to in a)10 years b)15 years

math
What is the value of the following future amount? a)RM800 to be received 10 years from now discounted back to present at 10%. b)RM1, 000 to be received 8 years from now discounted back to present at 3%.

math
What is the present value of RM6, 500 to be received 10 years from today if our discount rate is 10%?

math
Adam place RM2, 000 in a saving account paying 5% interest compounded annually, how much will Adam account accrue to in 10years and 15years

Algebra 2
Thank you!

Algebra 2
Simplify (2y)(4xy^3). 8xy^4?

Algebra 2
Simplify the polynomial [(6x-8)-2x]-[(12x-7)-(4x-5)]. I came up with two answers: 36x^2 - 72x + 35 or -12x^2 + 8x - 2 Are either one of these the correct answer?

Algebra 2
Factor completely 4ab + 2a + 6b + 3 (2a + 3) (2b + 1)?

fractions in simplest form
i have no clue what it is

Pre-AP physical science
What is the best way to set-up my science fair project that is 40% of my 2nd semester grade and credits ?? A little lost

Algebra 2
Thank you!

Algebra 2
Solve by completing the square 3x(sqaured) - 8x - 6 = 0. Is it 4 - the square root of 34 / 3 and 4 + the square root of 34 / 3?

Math
the shadow if a metre stick is 1.3m long when a students shadow is 2.0m long. How tall is the student?

Reading
I think the answers are 5a 6d 7c 8d 9a 10b 11c 12b

Reading
Choose the option that correctly identifies the words in () in each sentence. 5. (Stretching for 210 miles) , the Thames is in England. (1 point) prepositional phrase gerund phrase participial phrase appositive phrase 6. (Eating flesh with razor-sharp teeth) is how piranhas su...

MATHS
The population of town A increases from 1,346 to 1,500. In the same period, the population of town B increases from 1,546 to 1,800. a. Find the percent of increase in population for town A and for town B. b. Which town had the greater percent of increase? Don't know what t...

math
a carpet for a small room measuring 4 ft by 7.5 ft cost $120 how much would it cost for a carpet (with the same price per square foot) for a bigger room that measures twice as long and three times as wide

science
thank you

science
HELP FAST!!!!!!!!!!!!!!!! If you see that a hot-air balloon is rising above the top of a hill, what is the top of the hill called? A. delta point B. distance system C. coordinate system D. reference point

English
Please help i need to put this sentences in order and combine them in order to make sense. 1. The pizza sits on the table. 2. It is fresh from the oven. 3. It is in the middle of the table. 4. Its crust rises up. 5. The crust is thick. 6. The crust is golden brown. 7. It is li...

English
Combine the sentences below into a brief paragraph,using clear and efficient language.Remember that each sentence contains some information that is essential to the meaning of the overall paragraph; do not omit any necessary details. When you have completed the exercise, deter...

Math
The population of a southern city follows the exponential law. If the population doubled in size over 13 months and the current population is 30,000 what will the population be in 5 years from now?

US History
What is the Article of Confederation?

Science
What do you think would happen to the rates of photosynthesis of seagrass and algae if their habitat became muddied when channel clearing caused sediment to stay mixed in with the water? Explain.

college math
A lawn mower handle makes an angle of 60° with the ground. A woman pushes on the handle with a force of 30 pounds. How much work is done in moving the lawn mower a distance of 75 feet on level ground?

US history
What were the strengths of the Article of Confederation and what were the weakenesses?

US history
What were the gains and losses of British and American Revilution?

Economics
If an economy produces its most wanted goods but uses outdated production methods, it is --the answer is "it is not achieving productive efficiency. But doesn't productive efficiency mean using the "least cost method of production"? So if you use outdated pr...

Psychology -- Check please?
Studying the effects of mercury on the brain is this type of research Biological Cognitive Behavioral Humanistic Psychoanalytic I'm torn between cognitive and psychoanalytic, but am leaning towards cognitive...

Psychology -- Check please?
Gertie can feel roaches running over her feet even though they are not there. What is this called? a fixation a hallucination an illusion an eidetic image a phobia I would think that Gertie would be having some sort of a hallucination..

Psychology -- Check please?
According to Solomon Asch's study of conformity, which of these situations would not increase conformity? feeling insecure feeling you have reached your potential feeling impressed by a group's status feeling that others are watching you feeling that everyone else agre...

Physics
A stone is thrown at an angle of 30 degrees above the horizontal from the top of a cliff with an initial speed of 12 m/s. If it hits the ground 4.6 seconds later, what is the height of the cliff?

Physics
A stone is thrown at an angle of 30 degrees above the horizontal from the top of a cliff with an initial speed of 12 m/s. If it hits the ground 4.6 seconds later, what is the height of the cliff?

English
????? Is to rock. Answer needs to have these letters. Clerad

P.S
Explain how parachute works?

History
Why did the British view colonial taxes as fair? Why did colonists argue British taxes were unfair?

US History
Why did the British view colonial taxes as fair? Why did colonists argue British taxes were unfair?

Math input/output
Input. Output 12. 10 16 32. 62. 35 70. 39 86 What is the rule I am in 5 th grade and have no clue

Chemistry
thank you!

Chemistry
Use principles of atomic structure to Explain why in aqueous solution, (a) potassium forms 1+ but not a 2+ ion (a) Ti3+ is colored but Sc3+ is not. (b) Ti2+ is a reducing agent but Ca2+ is not.

Chemistry
thankk you!

Chemistry
Suppose that a stable element with atomic number 119, symbol Wr, has been discovered. (a) Write the ground-state electron configuration for Wr, showing only the valence-shell electrons. (b) Would Wr be a metal or a nonmetal? Explain in terms of electron configuration. (c) On t...

Physics
The tightrope walker gets tired and decides to stop for a rest. During this rest period, she is in translational equilibrium. She stops at middle of the rope and finds that both sides of the rope make an angle of è = 10.00° with the horizontal. If the mass of the t...

Physics
Consider a plane with a velocity relative to the air of 198 m/s in a westerly direction. If the wind has a speed relative to the ground of 56 m/s (in an easterly direction), how long does it take for the plane to travel from one city to another that is due west of the first by...

Physics
A car of mass 1396 kg is parked on a very slippery hillside (see figure below). To keep it from sliding down the hill (è = 15°), the owner attaches a cable. If there is no frictional force between the road and the tires, what is the tension in the cable?

Physics
A piece of wood with mass m = 2.7 kg is held in a vise sandwiched between two wooden jaws as shown in the figure below. A blow from a hammer drives a nail which exerts a force of 460 N on the wood. If the coefficient of static friction between the wood surfaces is 0.61, what m...

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