Wednesday

February 10, 2016
Total # Posts: 651

**Algebra 2**

A right triangle has a 45 degree angle. The hypotenuse is x and the leg is 8. Find the value of x.
*February 10, 2016*

**math**

The length of a rectangle is 8 less than twice the length. If the perimeter of the rectangle is 194 inches, find the dimensions of the rectangle.
*February 2, 2016*

**Language Arts**

Great! Thanks, Ms. Sue! I appreciate it.
*January 14, 2016*

**Language Arts**

Could it be C?
*January 14, 2016*

**Language Arts**

Simile has "like" in it. So, A?
*January 14, 2016*

**Language Arts**

I don't know if it is A or B for the first one... But, for some reason, I'm looking in at B.
*January 14, 2016*

**Language Arts**

Or, could it be A on the first one?
*January 14, 2016*

**Language Arts**

Which of the following answer choices contains a METAPHOR? a. His skin was sandpaper. b. The sun sparkled like a diamond. * c. Sh wanted to be like the birds and fly away. d. They felt free when they ran through the doors. What is a key characteristic of a refrain in poetry? a...
*January 14, 2016*

**Algebra **

Tell whether the lines for each pair of equations are parallel perpendicular or neither. Y= -2x + 4 -5+10y=5 I think perpendicular Next question is same kind- Y=-1/4x+10 -2x+8y=6 I think it's neither
*December 12, 2015*

**Algebra**

Match the equation with its graph -2/3 x - 1/4y = 1/3
*December 12, 2015*

**Physics **

A light ray in water is directed at the water surface at an angle of incidence at 40 degrees. Calculate the angle of refraction of the light ray at this surface.
*December 10, 2015*

**Algebra**

Flying against the wind, an airplane travels 28 km in 5 hours. Traveling with the win, the same plane travels 3760km in 4 hours. What is the rate of the plane and still air and what is the rate of the wind?
*November 17, 2015*

**MATH**

6 is one of the common multiples
*November 17, 2015*

**Logarithms**

Solve the following equations for x and check the solution using log. 2^6x-1 = 28 The answer is log56/6log2. Explain each step.
*November 7, 2015*

**algebra**

thank you you helped allot
*November 3, 2015*

**algebra**

thank you
*November 2, 2015*

**aarays and expanded algorithm**

How to get the answer to this problem 37 ×45
*October 28, 2015*

**Lititure**

How do u write a melcon and rikki-tikki-tavi as a bully
*September 29, 2015*

**chemistry**

49.5(0.506-x)(0.253-x)=4x^2 How to make it in quadratic equation Please help with step by step. thank u so much
*September 27, 2015*

**find the area of the rectangle**

84cm And 19cm?
*September 18, 2015*

**science**

Do I need the comma after "months" here? Over the past 6 months, OvaScience has been continuously hammered down by short sellers.
*September 12, 2015*

**chemistry**

3A+2B+2C > 4D+2E 1) what is the rate of this reaction in terms of change of concentration of reactant B? - is it '1/2' ? 2) what is the rate of this reaction in terms of change of concentration of product D? please help
*September 10, 2015*

**maths**

What is the sum of 4x dollars and 4x cents. Express your answer in cents .
*July 16, 2015*

**geomery**

Triangle ABC, inscribed in a circle, has AB = 15 and BC = 25. A tangent to the circle is drawn at B, and a line through A parallel to this tangent intersects line BC at D. Find DC.
*June 26, 2015*

**math**

why is the answer to this problem? 5/3 -5/6
*June 10, 2015*

**Anatomy & Physiology**

A person is complaining of muscle weakness, numbness, paralysis and pain. Which disorder of the nervous systemis this person most likely experiencing?
*June 7, 2015*

**Chemistry**

I have no idea
*June 1, 2015*

**chemistry**

Water has a density of 0.997 g/mL at room temperature (25 C). If you have exactly 500 mL of water, what is its mass in kg?
*May 4, 2015*

**chemistry**

Bromine is a red liquid at 25°C. Its density is 3.12 g/mL. What is the volume of 28.1 g of liquid bromine?
*May 4, 2015*

**Math**

I need to find what the total commission of 14% on a $3000 sale. Can u please show in detail how to solve this. Please and thank u. :)
*April 28, 2015*

**math**

oh I am amy's brother ms. sue
*April 28, 2015*

**math**

420? ms. sue?
*April 28, 2015*

**math**

The Sugar Sweet Company will choose from two companies to transport its sugar to market. The first company charges $ 4696 to rent trucks plus an additional fee of $ 225.50 for each ton of sugar. The second company charges $ 5500 to rent trucks plus an additional fee of $ 175....
*April 25, 2015*

**Physical Science**

The answer is FIGURE IT OUT YOURSELF!
*March 24, 2015*

**Maths**

Check my answer please? Not sure if I did this right. Let y = f(x) be a cubic polynomial with leading coefficient a = 2 and f(-2) = f(1) = f(2) = 0. find the factored form of f. I got: f(x) = 2(x + 2)(x - 1)(x - 2)
*February 18, 2015*

**statistics**

the standard score for hours spent online at home for Minnesotans was 2.84. The mean equals 8.9 hours. Approximately how many hours do Minnesotan adults spend online at home.
*February 4, 2015*

**algebra**

michael purchased a certain number of shares of one stock for a total of $1400. The second stock was selling for 6$ less per share. Michael could have brought 3 more shares of the second stock for the same amount of money. How many shares of the first stick did michael ...
*February 3, 2015*

**Algebra**

The ratio of the corresponding side lengths of two rectangular tables is 4:5. What is the ratio of the perimeters? What is the ratio of the areas?
*January 28, 2015*

**MATH**

you sure
*January 12, 2015*

**Graph Theory/ Algorithms / Computer science**

Please delete this post! I have been able to figure it out. Thanks :)
*December 17, 2014*

**Graph Theory/ Algorithms / Computer science**

I am working on this problem from the book, Data Structures & Algorithm Analysis in C++. The problem is: 9.40 Give a polynomial-time algorithm that ﬁnds ceil(V /2) vertices that collectively cover at least three-fourths (3/4) of the edges in an arbitrary undirected ...
*December 17, 2014*

**chemistry**

It's ground state. So, yes it's D.
*December 15, 2014*

**Chemistry**

The heat of combustion of benzene, C6H6, is -41.74 kJ/g. Combustion of 3.65 of benzene causes a temperature rise of 4.41 C^o in a certain bomb calorimeter. What is the heat capacity of this bomb calorimeter? (kJ/C^o) So, I what I did was I multiplied -41.74 kJ/g and 3.65 to ...
*December 15, 2014*

**Science **

When magnesium oxide (MgO) and water (H20)react, they produce magnesium hydroxide Mg(OH)2. Magnesium hydroxide is a medicine used to treat an upset stomach. The equation for this chemical change is shown below: MgO + H20 --> Mg(OH)2 if 40.00 grams of magnesium oxide and 18....
*December 11, 2014*

**statistics**

1)According to past record the average daily sales for a sporting goods store was $3456.00. After a new advertising campaign, the manager wants to see if the average daily sales have changed. A random sample of 20 days gives a sample mean of 3655 with a standard deviation of $...
*December 6, 2014*

**math**

Thanks for the help
*December 1, 2014*

**math**

how do i divide the numerator by the denominator
*December 1, 2014*

**math**

thank you
*December 1, 2014*

**math**

how do i convert fractions to decimals and fractions to percents?
*December 1, 2014*

**two step equation-fraction**

I need step by step how to get the answer, I have been trying for hours, 4+m divided by 3 = 5/6 i have the answer just dont know the steps to get to the answer. m= -3/2 or 1 1/2
*November 29, 2014*

**two step equation-fraction**

The answer sheet I got says the answer is -3/2 or -1/1/2 Here is the equation again its 4 + 3 over 3 = 5/6
*November 29, 2014*

**two step equation-fraction**

the answer that i got on the answer sheet was 1/2 5.
*November 29, 2014*

**two step equation-fraction**

please show how you got the 2m
*November 29, 2014*

**two step equation-fraction**

please help me step by step thanks 4+m/3=5/6
*November 29, 2014*

**College Physics**

A thin rod (uniform density & thickness) has mass M and length L. It is attached to the floor at a fixed location by a friction-less hinge. The rod start at rest, balanced vertically on its hinge end. ______________________________________ 1) While balanced vertically, the ...
*November 23, 2014*

**Physics**

A thin rod (uniform density & thickness) has mass M and length L. It is attached to the floor at a fixed location by a friction-less hinge. The rod start at rest, balanced vertically on its hinge end. ______________________________________ 1) While balanced vertically, the ...
*November 23, 2014*

**Math**

Duebebdbeb
*November 11, 2014*

**helpppppppp**

Seven cats and 3 dogs weigh as much as 4 monkeys. One monkey weighs as much as 1 cat and 1 dog. How many cats weigh as much as 1 dog?
*November 7, 2014*

**Physics please help**

A cylindrical glass of water (H2O) has a radius of 3.49 cm and a height of 9.85 cm. The density of water is 1.00 g/cm3. How many moles of water are contained in the glass?
*October 27, 2014*

**Physics**

The atomic mass of a nitrogen atom (N) is 14.0 u, while that of an oxygen atom (O) is 16.0 u. Three diatomic gases have the same temperature: nitrogen (N2), oxygen (O2), and nitric oxide (NO). Rank these gases in ascending order (smallest first), according to the values of ...
*October 27, 2014*

**Physics**

The cylinder in the drawing contains 3.81 mol of an ideal gas. By moving the piston, the volume of the gas is reduced to one-fourth its initial value, while the temperature is held constant. How many moles Δn of the gas must be allowed to escape through the valve, so that...
*October 27, 2014*

**Physics**

You are pulling your little sister on her sled across an icy (frictionless) surface. When you exert a constant horizontal force of 120 N, the sled has an acceleration of 1.7 m/s2 If the sled has a mass of 8.4 kg, what is the mass of your little sister?
*October 13, 2014*

**p.e**

Lol
*October 4, 2014*

**Chemistry**

Silicon carbide, commonly known as carborundum, is a very hard and abrasive substance. The compound is prepared by heating silicon dioxide in the presence of graphitic carbon: SiO2(s) + 2C(s) --> SiC(s) + CO2(g) How many grams of silicon carbide can be formed from 20.0 g of...
*September 30, 2014*

**ratios**

as a fraction
*September 26, 2014*

**ratios **

1/4 to 1/3? 1/4:1/3
*September 26, 2014*

**question repost damon**

oh okay things 3/5 was a check,
*September 12, 2014*

**question repost damon**

Since some tutors dont check back, i want to repost this to damon: what percent more than 1/3 is 3/5? It said 3/5 was wrong, and I tried but i don't know what happend
*September 12, 2014*

**equations**

3/16 * N = 24? What does N equal please help!
*September 12, 2014*

**Mathematica**

It's wrong :(
*September 12, 2014*

**Mathematica**

what percent more than 1/3 is 3/5?
*September 12, 2014*

**Math**

Use substitution to solve the system. 3x+5y=21 y=2x-1
*August 27, 2014*

**statistics**

If a milk cow in California produced a mean of 1,875 pounds of milk per month, what percentage of production would that cow be in compared to the overall production per milk cow in California from 1990 through 2005?
*August 19, 2014*

**algebra**

Thanks Sheenybeany. It was: 71 - 35= 36.
*August 8, 2014*

**algebra**

Does anyone know how to find multiples of 7 from 250 to 500?
*August 8, 2014*

**MATH**

ok got it
*August 8, 2014*

**science**

what is a form of energy that is always transferred from a warmer substance to a cooler one?
*May 28, 2014*

**algebra**

A small painting has an area of 400 c m 2 . The length is 4 more than 2 times the width. Find the dimensions of the painting. Solve by completing the square. Round answers to the nearest tenth of a centimeter.
*May 20, 2014*

**science**

D. Scanning Electron Microscope
*May 7, 2014*

**Math**

I am very good at maths, I am estimated to get an A+, but I hate turning point questions. How do you find the turning point when given the quadratic function? f(x)=(x+3)^2 - 16 Write down the co-ordinates of the turning point on the grap of y=f(x)
*May 1, 2014*

**math**

what does sin2x/cos2x equal to?
*April 5, 2014*

**Physics please help ASAP!**

If you know the mass of a star and a planet’s radius and speed at perihelion (closest approach to the star), then using conservation of energy and angular momentum you can solve for the radius and speed of that planet at aphelion (farthest point from the star). Encke’...
*March 31, 2014*

**please help asap!**

A ladder, 5.0 m long, leans against a frictionless wall at a point 4.0 m above the ground. A painter is climbing up the ladder. The mass of the ladder is 12.0 kg and the mass of the painter is 60.0 kg. The ladder begins to slip at its base when the painter is 70 % of the way ...
*March 24, 2014*

**physics please help!!**

A diver stands on the end of a diving board as shown in the figure on the right. The mass of the diver is 58 kg and the mass of the uniform diving board is 35 kg. Calculate the magnitudes and directions of the forces exerted on the board at the points A and B. (A & B are 1 ...
*March 24, 2014*

**Physics**

Please help!
*March 24, 2014*

**Physics**

A diver stands on the end of a diving board as shown in the figure on the right. The mass of the diver is 58 kg and the mass of the uniform diving board is 35 kg. Calculate the magnitudes and directions of the forces exerted on the board at the points A and B. A and B are 1m ...
*March 24, 2014*

**math**

xy = 5 a) Identify each relationship as direct or inverse variation. b) Calculate the constant of each relationship and explain how you arrived at your answer. c) Using complete sentences, explain how the two relationships are different, and how they are similar.
*March 17, 2014*

**Calculus**

A ladder 25 feet long that was leaning against a vertical wall begins to slip. Its top slides down the wall while its bottom moves along the lever ground at a constant speed of 4 ft/sec. How fast is the top of the ladder moving when it is 20 feet above the ground?
*February 24, 2014*

**Science**

Classify reaction as addition, displacement, or decomposition: Al(s)+NaOH(aq)=Al(OH)3(s)+Na+(aq)
*February 16, 2014*

**Physics**

An 80 kg hiker climbs a 1000 m high hill at a constant speed. If the hiker's body is 25% efficient, how many kg of fat does the hiker burn in climbing the hill? Given: heat of reaction of body fat is 37000 kilo joules per kilogram. I know that change in potential energy is...
*February 15, 2014*

**Physics**

If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 4.5 h, a swimmer makes exactly 69 laps in a swimming pool that is 35 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the ...
*January 19, 2014*

**Math**

Find an equation for the line that passes through the point (2, -5) and has slope -3
*January 17, 2014*

**math**

PLEASEEE HELPPP Evaluate exact values, if they exist? if any doesn't exist state so. a) (in randians) sin^-1(-1/√2)
*December 21, 2013*

**economics**

The demand curve for knobs is P=75-6QD and the supply curve for knobs is P=35+2QS. What is the equilibrium price of a knob?
*December 20, 2013*

**math**

whats the derivative of lnx?
*November 29, 2013*

**math**

show that the equation x^3-15x+c=0 has at most one root on the interval [-2,2.
*November 29, 2013*

**biology**

An individual with the genetic condition cystic fibrosis has CFTR protein with the amino acid histidine (at position 482), where the normal CFTR protein has arginine. (No other changes are observed in the protein.) This is the result of a _________ mutation. Select one: a. ...
*November 25, 2013*

**biology**

Which of the following is NOT true of transcription / translation processes in both bacteria and eukaryotes? Select one: a. RNA polymerase reads the template DNA strand to produce the complementary mRNA transcript. b. Translation of a polypeptide can occur before transcription...
*November 25, 2013*

**biology**

Gene expression regulation by methylation of the cytosines in a promoter would be considered : Select one: a. Transcriptional regulation. b. Posttranscriptional regulation. c. Posttranslational regulation. d. Translational regulation.
*November 25, 2013*

**chemistry**

how do u hybridize for sulfate (SO4 -2)?
*November 21, 2013*