Sunday

February 26, 2017
Total # Posts: 1,652

**Chemistry**

The human body “burns” glucose (C6H12O6) for energy. a. Write a balanced chemical reaction for the complete combustion of glucose to CO2(g) and H2O(l) such that the stoichiometric coefficient for glucose is 1. b. When 1.00 g of glucose are completely burned at 298.15...

*January 30, 2017*

**Chemistry**

Calculate Delta hf for C2H2(g) + O2(g) --> CO2(g) + H2O(g) SO2 (g) + O2(g) --> SO3(g) Fe2O3(s) + Al(s)(g) --> Fe(s) + Al2O3 (s)

*January 30, 2017*

**Chemistry**

Calculate the Delta Hf of the OH- ion given that the Delta Hf (H2O) = -285.8 kJ mol-1.

*January 30, 2017*

**Algebra**

Im very confused about this one too, can someone help?

*January 2, 2017*

**ss**

THERE ARE NO QUESTION BELOW!

*December 12, 2016*

**ss**

How did Muslim Turks influence Turkey's development? Do not copy and paste anything, its not helpful.

*December 12, 2016*

**geometry**

the interior angle measures of a triangle are in 3:8:9 what is the measure of this triangles largest interior angle

*December 7, 2016*

**Please help. maths**

For each of the three-digit numbers with no digits zero, the difference between the number itself and the product of its digits is calculated. The largest such difference is A. 110 B. 270 C. 902 D. 910 E. 927

*November 26, 2016*

**Math**

The perimeter of the area to be fenced is 1760ft. Estimate the number of wooden fence posts needed if the posts are placed 8.625ft apart

*November 13, 2016*

**Math**

The square root of twice a number is equal to one-third of that number. Find the number.

*November 10, 2016*

**Math**

Thank you

*November 10, 2016*

**Math**

The square root of twice a number is equal to one-half of that number. Find the number.

*November 10, 2016*

**Maths**

A box contains different coloured counters, with P(purple)= 10%, P(yellow)= 2/3 and P(orange) 1/7. a. Is it possible to obtain a colour other than purple, yellow or orange? b. What is the minimum number of counters in the box c. If the box cannot fit more than 1000 counters, ...

*November 4, 2016*

**Maths**

A spinner numbered 1 to 50 is spun twice. Find the probability that the total from the two spins is: a. 51 b.55

*November 4, 2016*

**Maths**

Two cars travel towards each other on a 400 km stretch of road. One car travels 90 km/h and the other at 70 km/h. How long does it take before they pass each other

*October 29, 2016*

**math**

To maximise profit, the company should sell as many children’s tickets as possible. Of the 300 available seats, determine how many should be allocated to children if there is a maximum of 4 children per adult.

*October 19, 2016*

**Math**

1999

*October 13, 2016*

**Physics**

A straight horizontal rope is towing a 5.52 kg toboggan across frictionless ice. A 2.76 kg radio is on top of the toboggan with a coefficient of static friction of 1.50 between the toboggan and radio. In order to prevent the radio from slipping, what is the largest force of ...

*October 13, 2016*

**Math**

What 5 digits are in the ones place of even numbers?

*October 12, 2016*

**Math**

how much candy that is worth $5 per pound must be mixed with 60 lb that is worth 4$ per pound to get a special Christmas mixture to sell for $4.40 per pound?

*October 12, 2016*

**English**

Type of sentence: To keep your files in order, the filing rules must be learned. (A) Properly constructed (B) Lacks parallel parts (C) Dangler (D) Misplaced part. I believe it to be (A)?

*September 28, 2016*

**Physics**

You push a skateboard so that it rolls down the road at a speed of 0.600 m/s. You run after the skateboard at a speed of 3.50 m/s and while still behind the skateboard you jump off the ground at an angle of 22.0° above the horizontal hoping to land on the skateboard. How ...

*September 25, 2016*

**Science Chemistry**

A saturated solution of kcl is prepared at 25degree celsius. What would happen if temperature is cooled to 10degree celcius?

*September 17, 2016*

**math**

The base (WX) of an isosceles triangle (SWX) is also the side of a square (WXYZ) in which the triangle is inscribed. The altitude from SX, at point V and making 90 degrees with SX, meets W, forming triangle SVW. What is the ratio of triangle SVW to the square WXYZ?

*July 30, 2016*

**Analytic geometry**

Find the equation of the set of all points P(x,y) that is equidistant from (-3,0) and (3,-5).

*July 6, 2016*

**Math**

Your answer is wrong...bad influence

*June 26, 2016*

**SPSS**

Create standardized scores for all scale variables (price through alcohol). Which beverages have positive standardized scores on every variable? What does this mean?

*June 17, 2016*

**Geometry**

ht tp://prnt scr.c om/bhe 6km Delete all the spaces in the link The link is the diagram needed to solve this question Please Help, Thanks

*June 17, 2016*

**History**

Explain the impact of the Balfour Declaration on the Middle East. Explain the impact of the Japanese attack on Pearl Harbor.

*June 8, 2016*

**math**

9-3÷1/3+1= 9-(3÷1/3)+1= 3 divided by 1/3 is 1. 9-(1)+1= PEMDAS 1+1=2 9-2=7. The correct answer is 7.

*May 7, 2016*

**math**

The farmer sells a 41.9915-tonne load to a buyer who takes a single scoop of tomatoes from a random spot in the load. If the sample has approximately 300 tomatoes and 92% are acceptable, how much is the load worth? Tomatoes sell for $94.40 per tonne.

*May 6, 2016*

**algebra, how to do fractions?**

Search on Google: point-slope form calculator

*April 27, 2016*

**Prob**

What is minimum sample needed if you know the SD is 22.36 and an accuracy of 3.06 and you want a confidence level of 90%

*April 25, 2016*

**Life orientation**

Evaluate the physical,social and economic consequences of this crime to the offender.how did this corruption and fraud impact negatively in the country

*April 25, 2016*

**algebra**

Select the first five terms in the geometric sequence an=(3)n−1, starting with n=1

*April 23, 2016*

**sequence**

Select the first five terms in the arithmetic sequence an = 4n, starting with n =

*April 23, 2016*

**ethics**

I have no idea about your cat but the answer is b reason and rationality.

*April 20, 2016*

**English**

Observe the main ideas on a book chapter and support that main idea with relevant sentences. Try to understand the meaning of the book chapter and make a summary. This can help you to develop your paragraph response.

*April 16, 2016*

**math**

Find the dimensions of an open topped box that can be made from 3600 cm^2 of cardboard, if the length of the base is three times as long as its width. What is the maximum volume?

*April 16, 2016*

**Math**

A recipe ask for 2/3cup of water and they want to triple the recipe. How do I show the work. What is the first step to get the answer.

*April 13, 2016*

**life orientation**

Magatsela

*April 12, 2016*

**Calculus**

limit of (x*(y-1)^2*cosx)/(x^2+2(y-1)^2) as (x,y)->(0,1). By evaluating along different paths this limit often goes to 0. This does not necessarily imply that it exists. So how would i prove that it exists. Can someone please show me how i can prove using delta - epsilon ...

*April 10, 2016*

**History (one more question)**

I did read but no luck.

*April 8, 2016*

**History (one more question)**

Please Help. Any information would be great.

*April 8, 2016*

**History (one more question)**

Did anyone oppose or try to prevent this event (may be within the nation or another government opposing the event)?

*April 8, 2016*

**History**

so yes, the young turks did supported?

*April 8, 2016*

**History**

The Young Turks supported the Armenian Genocide event? on 1914 - 1918

*April 8, 2016*

**History help**

ok, no problem.

*April 8, 2016*

**History help**

Did anyone oppose or try to prevent this event (may be within the nation or another government opposing the event)? What did the opposition do to prevent/stop the event?

*April 8, 2016*

**History help**

Armenian Genocide

*April 8, 2016*

**History help**

Ottoman Empire and from the year 1914 to 1918

*April 8, 2016*

**History help**

Who supported or helped to carry out the government orders? was it the Young Turks?

*April 8, 2016*

**math**

A 10 kilometer race is about 6.2 miles long. Teresa completes the race in 58 minutes. What is her average time per mile? Give your answer in minutes and seconds.

*March 31, 2016*

**Math**

This is a 4th grade problem. This is all the information on the homework question.

*March 22, 2016*

**physics**

At 20°C, a brass cube has an edge length of 34 cm. What is the increase in the cube's surface area when it is heated from 20°C to 67°C?

*March 6, 2016*

**physics**

At 20°C, a brass cube has an edge length of 34 cm. What is the increase in the cube's surface area when it is heated from 20°C to 67°C?

*March 5, 2016*

**Statistics**

Imagine you're a researcher and you need to perform a one-sided test of an alternative hypothesis. You decide to conduct a significance test at the .05 level. Which of the following ranges of z-scores would make the test statistic significant at .05 (one-tail) but not at ....

*March 4, 2016*

**college algebra**

Rectangle garden using a wall as one side of the perimeter. What are the dimensions if we have 16ft of fencing and an area of 30sqft. To be clear, you are only using the fencing for 3 sides of the garden.

*March 3, 2016*

**geometry**

A hemisphere tank is filled with water and has a diameter of ten feet. If the water weighs 62.4 pounds per cubic foot, what is the total weight of water in a full tank?

*February 21, 2016*

**Statistics**

The following is a histogram (right skewed) of the first ten terms of a geometric distribution with p = .4. The mean of this distribution is 2.5 and the standard deviation is approximately 1.93. What's the shape of the distribution of sample means for simple random samples...

*February 18, 2016*

**NVM, I understand now. Thanks though.**

NVM, I understand now. Thanks though.

*February 9, 2016*

**Algebra**

Question: order the group of quadratic functions from widest to narrowest graph.

*February 9, 2016*

**Algebra**

Question: order the group of quadratic functions from widest to narrowest graph.

*February 9, 2016*

**Can someone please check? Thanks!**

Can someone please check? Thanks!

*February 9, 2016*

**Algebra**

y=-5x^2,y=-x^2,y=-4x^2 a) y=-x^2, y=-5x^2, y=-4x^2 b) y=-x^2, y=-4x^2, y=-5x^2 c) y=-5x^2, y=-4x^2, y=-x^2 d) y=-4x^2, y=-x^2, y=-5x^2 <<My answer

*February 9, 2016*

**social studies (again)**

I'm reading over and over, I just don't seem to find the answer. Any hits? Thanks!

*February 2, 2016*

**social studies (@REED)**

@Reed Yes, I have I just don't understand.

*February 2, 2016*

**social studies (again)**

Jean-Jacques Rousseau: In his book The Social Contract, Rousseau comes up with his theories on government. He believed in what he called “a state of nature” in which people are purely instinctual and harmful, so he says people made a contract with the government to ...

*February 2, 2016*

**differential equations**

dS/dt = f(S) = kS(1-S/N)(S/M-1) of a fox squirrel population from the previous section. Suppose that the parameters M and k remain relatively constant over the long term but as more people move into the area. the parameter N (the carrying capacity) decreases. (a) Assuming that...

*February 2, 2016*

**History**

I don't know, mmmm. let see

*February 2, 2016*

**History**

In his book Two Treatises on Government, Locke refuted the divine right of Monarchy, and established a theory which states that all men are men are born free and equal. Each person should have equal access to the natural rights of life, liberty, and property. No law should ...

*February 2, 2016*

**differential equations**

dS/dt = f(S) = kS(1-S/N)(S/M-1) of a fox squirrel population from the previous section. Suppose that the parameters M and k remain relatively constant over the long term but as more people move into the area. the parameter N (the carrying capacity) decreases. (a) Assuming that...

*February 2, 2016*

**math**

deposit $150.00 per month for 312 months. average interest is 4%. how much money will be account at the end?

*February 1, 2016*

**Math**

Compared to jenny,sally is 7/8 as tall and may is 6/7 as tall.how many times taller is sally than may

*January 28, 2016*

**Math**

Thank you very much Reiny. You broke it down perfectly for me.

*January 21, 2016*

**Math**

Its F(x)= 7x^(2). Sorry.

*January 21, 2016*

**Math**

Let f(x)=7x2. Find a value A such that the average rate of change of f(x) from 1 to A equals 84. A=

*January 21, 2016*

**Math**

A store owner bought comforters for x dollars and is marking them up 60 percent write two expressions that represent the selling price and show that they are equivalent.

*January 12, 2016*

**Pre-calc**

Please solve: 5sin2x + 3sinx - 1 = 0

*January 10, 2016*

**Math**

There are 14 children in little league baseball team. Only 9 can play at a time. The baseball season has 42 games. The coach decided that each of the 14 children would play in the same number of complete games.In how many complete games will Howard, one of the 14 children, play?

*January 4, 2016*

**Algebra**

A pudding recipe requires 2/3 of a cup of milk for every 1-3/4 cups of sugar. What is the unit rate of sugar to milk in the pudding recipe?

*December 8, 2015*

**precalc**

For each: a) Identify the ellipse as horizontal or vertical b) Give the coordinates of 1) The center 2) The major vertices 3) The minor vertices 4) The foci 1) [(x+4)2/64] + (y2/100) = 1 2) [(x-1)2 / 36] + [(y+3)2 / 25] = 1

*December 7, 2015*

**Math**

Use the correct form of factoring in order to find the x intercepts. 9r^2-5r-10

*December 4, 2015*

**Algebra 2**

Use the correct form of factoring in order to find the x intercepts. 9r^2-5r-10

*December 4, 2015*

**Algebra II**

eh whatever, I figured it out.

*December 3, 2015*

**Algebra II**

Find 2 positive numbers who differ by 8 and whose reciprocals add to be 1/3

*December 3, 2015*

**English**

Thanks for the help!

*November 22, 2015*

**English**

Combine these two simple sentences into a complex sentence. Many industrialized nations use the metric system. The United States refuses to adopt it. A. Although many industrialized nations use the metric system, the United States refuses to adopt it. B. Many industrialized ...

*November 22, 2015*

**English**

C, correct ?

*November 22, 2015*

**English**

Choose the option that corrects the error in the "quote". If no error exists, choose "No change is necessary." Bill, the foreman of the construction company, is concerned about the safety in the large building. "They have had" three accidents in ...

*November 22, 2015*

**math**

Of the 34 students in a class, there are 2 fewer students with blue eyes than there are students with hazel eyes. Also, there are twice as many students with brown eyes than there are students with blue eyes. Which of these is either the number of students with blue eyes, the ...

*October 28, 2015*

**chem**

Write a net ionic equation for the reaction that occurs when excess nitric acid (aq) and potassium sulfite (aq) are combined. Note: Sulfites follow the same solubility trends as sulfates.

*October 27, 2015*

**Chemistry pls help**

Ion flame test Why is it important to not let the wooden splint burn ??

*October 25, 2015*

**Algebra 2**

Solve each equation for the variable. Check your solutions, if possible. x/2+1=6

*October 25, 2015*

**algebra**

A train leaves Atlanta at 1:00 PM. A second train leaves the same city in the same direction at 5:00 PM. The second train travels 48 mph faster than the first. If the second train overtakes the first at 9:00 PM, what is the speed of each of the two trains?

*October 19, 2015*

**Algebra**

The farmer who named his pet rooster

*October 19, 2015*

**Trig**

The width of the box is 9 inch more than its length and the height of the box is 1 inch less than its length write an expression for the volume of the box

*October 15, 2015*

**English**

Identify the correct sentence. A. Where is the necklace from your sister and the earrings from your cousin? B. Where are the necklace from your sister and the earrings from your cousin? C. Where are the necklace from your sister in addition to the earrings from your cousin? D...

*October 15, 2015*