Thursday

September 29, 2016
Total # Posts: 3,645

**stat **

A nurse at a local hospital is interested in estimating the birth weight of infants. How large a sample must she select if she desires to be 90% confident that the mean is within 3 ounces of the sample mean? The standard deviation of the birth weghts is known to ...

*May 5, 2016*

**Algebra**

what is the domain function y=√3x+3 The sqrt sign goes over the 3x+3 can someone show me how to do this problem?

*May 4, 2016*

**Math**

Steve can you help me please i posted a ?

*May 4, 2016*

**Algebra**

a painter leans a 25 foot ladder against a building. The distance from the ground to the top of the ladder is 17 feet more than the distance from the building to the base of the ladder. Find the distance from the building to the base of the ladder and the distance from the ...

*May 3, 2016*

**chem**

If a solution initially contains (9.5x10^-2) M of HC2H3O2, (and no H3O+ or C2H3O2– ),what is the equilibrium concentration of H3O+ (aq) in the mixture?

*May 1, 2016*

**Life orientation grade 12**

l need answers please

*April 30, 2016*

**Math, please help**

Write a real world situation that can be represented by the expression 8(t - 3). Tell what the variable represents then give a value for t and evaluate the expression.

*April 25, 2016*

**Math**

Scores on the LSAT are approximately normally distributed. In fact, published reports indicate that approximately 40 percent of all test takers score at or between 145 and 155, and about 70 percent score at or between 140 and 160. The full range of scores is 60 pts (120–...

*April 24, 2016*

**Math**

Scores on the LSAT are approximately normally distributed. In fact, published reports indicate that approximately 40 percent of all test takers score at or between 145 and 155, and about 70 percent score at or between 140 and 160. The full range of scores is 60 pts (120–...

*April 24, 2016*

**I have a question[math]**

3/4 is bigger because 0.75 is the greater number out of them all!

*April 19, 2016*

**Math**

Order fractions from greatest to least. 1/10, 3/5, 1/4

*April 19, 2016*

**Math**

The equation would be 16 + 25 = x and you solve the equation by adding 16 and 15 together which gives you 41!

*April 19, 2016*

**math**

Mike was bored so he played with some colored blocks arranging them in a role he put 1 block in the first row 2 blocks in the second roll, 4 blocks and the third row and 8 blocks in the fourth row. If this pattern continues, how many blocks will Mike put in the 17th roll?

*April 19, 2016*

**Math**

If the perimeter of the rectangle is 120 units, then that means each side added together equals 120 which is 120 divided by 4 which gives you 30. Now to find the area, all you have to do is multiply the length and the width which is 30 x 30 which gives you 90 square units.

*April 19, 2016*

**Chemistry 101**

Write the molecular, total ionic, and net ionic, for the reaction. 1). Aqueous sodium carbonate is reacted with aqueous nickle (11) chloride. 2). Aqueous potassium hydroxide is mixed with aqueous hydrochloric acid.

*April 17, 2016*

**7th grade math**

Thank you so much Neko!!

*April 12, 2016*

**7th grade math**

Neko, Can you please show me how you got the answer?

*April 12, 2016*

**7th grade math**

Crystal made a bag of trail mix peanuts, raisins, and chocloate chips in the ratio of peanuts:raisins:chocolate chips = 5:3:2. There are 150 raisins in the trail mix. How many peanuts and chocolate chips are in the trail mix?

*April 12, 2016*

**Science**

A rectangular piece of wood measuring 20cm by 5cm by 3cm weighs 900kg.Find the greatest pressure the piece of wood can exert if placed on a table.

*March 28, 2016*

**calc. 1**

You are designing a poster with area 625cm^2 to contain a printing area having margins of 1cm at the top and bottom and 5cm on the sides. Find the largest possible printing area. Round your answer to the nearest four decimal place. I am aware that i should recognize that area ...

*March 24, 2016*

**PED**

I have a quiz and want to check them out to see if I got them correct: Question 1. When is it considered safe to provide both positive and negative examples of performance to students? (Points : 1) when the learners understand the skill when the learners have practiced the ...

*March 17, 2016*

**math**

Abel, Belle, And Cindy have $408 altogether. Belle has $7 more than Cindy and $5 more than Abel. How much does Abel have?

*March 17, 2016*

**Math**

I have a moving truck that gets 12 klms per gallon how car would you go on a 40g tank

*March 14, 2016*

**Algebra**

a certain recipe asks for ¼ of granola. how much is needed to make ¾ of a recipe?

*March 13, 2016*

**Physics**

Devise the series or parallel combination of 2 capacitances from the E6 series that gives the closest match to the capacitance 1.14 μF. Indicate the percentage error between the desired value and the value you obtain.

*March 10, 2016*

**Algebra**

Factor 10w2−19w−15 10w2−19w−15 =(5w+3)(2w−5)

*March 9, 2016*

**English**

Read Capulet’s speech from Act IV, scene 2 , as he plans for the wedding: Tush , I will stir about , And all things shall be well , I warrant thee , wife: Go thou to Juliet , help to deck up her; I’ll not to bed to- night ; let me alone; I’ll play the housewife ...

*March 9, 2016*

**Algebra**

Which of the following functions has a rate of change that stays the same? A)y = x2 – 5x –14 B)y = 19x – 10 C)y = 5x *********** D)y = 0.03x2 + 11x + 1

*March 7, 2016*

**Statistics**

1.21 Gijawatts!!!

*March 5, 2016*

**PT1420**

for x=0 to 5 display x end for

*February 29, 2016*

**Algebra**

2) n = 8

*February 25, 2016*

**Algebra**

2) n =2 3) p= -4 4) b = -17 Thank you so much Ms. Sue

*February 25, 2016*

**Algebra**

Can anyone help me to solve this please: 1) m/16 - 9 = -8 2) -9 + n/4 = -7 3) p/4 + 8 = 7 4) b + 11/3 = -2

*February 25, 2016*

**accounting**

Net income is $44,400. Administrative expenses are $5,500 and selling expenses is $3,700. Cost of merchandise sold is $27,800. How much is sales, assuming no returns or discounts?

*February 24, 2016*

**accounting**

Net income is $32,400. Administrative expenses are $11,800 and selling expenses are $7,200. Cost of merchandise sold is $61,100. How much is gross profit?

*February 24, 2016*

**prealgebra**

a local pool charges a $6 sign up fee plus $2 per visit as as summer special. Another pool runs a summer special that only charges $3 per visit. Write a system of equations to represent this situation. Is it 6+ 2x=y 3x=y

*February 23, 2016*

**Earth Science**

Why are there so many different species on Earth today?

*February 22, 2016*

**Finance**

If you borrow $25,500 for 18 months at the rate of 9% compounded monthly, how much must you repay at the end of the 18 months?

*February 19, 2016*

**math**

f(x)=5x^2-3x+1 A. f(0) B. f(-4) C. f(2)

*February 19, 2016*

**math**

Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. They can be, for example if in a parallelogram the two diagonals are perpendicular then the parallelogram is a rhombus

*February 19, 2016*

**CHEMISTRY HELP**

Calculate the amount (in mL) of 1.520M NaOH that is required to add the following acetic acid solution to prepare a buffer with the corresponding pH: 30.00mL of a 5.00% (w/v%) acetic acid; the resulting acetate buffer has a pH of 5.75. pKa of acetic acid = 4.74 So I got this: ...

*February 19, 2016*

**Math**

Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. They can be, for example if in a parallelogram the two diagonals are perpendicular then the parallelogram is a rhombus

*February 18, 2016*

**Math**

Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. They can be, for example if in a parallelogram the two diagonals are perpendicular then the parallelogram is a rhombus

*February 18, 2016*

**English**

I answered True and I got it right thanks for your help

*February 16, 2016*

**English**

This is for Romeo and Juliet

*February 16, 2016*

**English**

True or false: Shakespeare’s works were written to be performed on stage. true************* false

*February 16, 2016*

**SOC 203 Quiz Help**

Question 1. ALL BUT ONE of the following types of violence occurs because of gender inequality, according to Feminist theory: (Points : 1) rape intimate partner abuse sibling abuse x workplace violence Question 2. Which of the following is one of the ABCs of deviance? (Points...

*February 14, 2016*

**Cal**

Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=1/x^2, y=0, x=4, x=5; about y=−2

*February 12, 2016*

**algebra**

Solve the polynomial inequality and graph the solution set on a real number line. Express the solution set in interval notation x^3+x^2+16x+16>0 What is the solution set? (Type your answer in interval notation.) Mike

*February 5, 2016*

**Chemistry**

Write a balanced equation for the following reaction. Use whole number coefficients and subscripts as appropriate. Carbon tetrachloride is an industrial liquid solvent. It is made by combining methane gas with elemental chlorine. These react to form carbon tetrachloride and ...

*February 1, 2016*

**chemistry**

Write a balanced equation for the following reaction. Use whole number coefficients and subscripts appropriately. When hydrochloric acid is mixed with sodium hydrogen carbonate, the mixture fizzes. The fizzing occurs because the reaction produces a gas, namely carbon dioxide. ...

*February 1, 2016*

**physics Help please!**

isn't x the displacement?

*January 31, 2016*

**physics Help please!**

i tried that... (1/2)(31)(.2)^2?

*January 31, 2016*

**physics Help please!**

how do you calculate PE? mgh?

*January 31, 2016*

**physics Help please!**

h(m) KE (J) PEgravity (J) PEelastic (J) E 0 ______ _________ _________ __ 0.2 ______ _________ __________ ___ 0.4 ______ _________ __________ __ A 2.40-kg object is hanging from the end of a vertical spring. The spring constant is 31.0 N/m. The object is pulled 0.200 m ...

*January 31, 2016*

**MATHS**

14 - 45

*January 29, 2016*

**English**

Whom

*January 29, 2016*

**Algebra**

Tony had an equal number of cranberry bars and walnut bars. He gave away 66 cranberry bars. He then had 4 times as many walnut bars as cranberry bars left. How many bars did he have at first?

*January 28, 2016*

**Statistics**

Suppose that for x = 3, the predicted value is y = 7. The data pair (3, 10) is part of the sample data. What is the value of the residual for x = 3?

*January 28, 2016*

**maths**

a car weighing 1600kg moving with a velocity of 30 meter per second retarded uniformly coming to rest in 20 seconds calculate 1, initial momentum 2, final momentum 3, rate of change of momentum 4,acceleration of the car 5, magnitude of the force apply

*January 28, 2016*

**math**

1st wall 5'long 8' wide 2nd wall 9'long 8'wide 3rd wall 2' long 4' wide tile size is 2'long 4'wide how many tile do I need

*January 21, 2016*

**Math**

What is 10 $ plus 1

*January 19, 2016*

**Math**

I understand now. Thanks

*January 17, 2016*

**Math**

I am confused with this problem: By what number does 9.46 exceed 3.928? Would I subtract the two numbers?

*January 17, 2016*

**Chemistry 101 **

A rectangular prism has these dimensions and mass: Length = 12.6cm, width = 1.256 feet, and thickness = 456 mm. Its mass is 1.2347 pounds. Determine its density in g/cm3.

*January 15, 2016*

**Chemistry **

hellop

*January 15, 2016*

**Algebra**

To play on the football team, a seventh grader must weigh no more than 110 pounds. Your neighbor is in seventh grade and weighs 94 pounds. Write and silve an inequality that represents how much weight your neighbor can gain and still meet the requirement.

*January 12, 2016*

**Algebra**

Thanks Steve : 94 + x<=110 x <=16

*January 12, 2016*

**Algebra**

To play on the football team, a seventh grader must weigh no more than 110 pounds. Your neighbor is in seventh grade and weighs 94 pounds. Write and silve an inequality that represents how much weight your neighbor can gain and still meet the requirement.

*January 12, 2016*

**Algebra**

Find the slope for the following line: y = 3/4x-7 -7**************** 7 3/4 -4/3

*January 11, 2016*

**Math**

400 qt=1600 cups right and my answer would be 4000 C is less than 400 quarts?

*January 10, 2016*

**Math**

I am wrong. Very Wrong.

*January 10, 2016*

**Math**

Thank you for your help Ms. Sue. I knew I could count on you. I appreciate your help.

*January 10, 2016*

**Math**

Is this in greatest to least: .363, .333, .33, .309?

*January 10, 2016*

**Algebra**

Find the correct table of values for the following function:y = x – 3 x y 10 8 8 6 6 4 x y 10 13 8 11 6 9 x y 10 7 8 5 6 3 x y******************** 10 3 8 3 6 3

*January 8, 2016*

**Algebra**

Thanks

*January 8, 2016*

**Algebra**

Evaluate the function for x = 2: f(x) = 7x – 5 9 19******** –9 –19

*January 8, 2016*

**math**

the length is 139,435ft a runner's step is 3ft does the number of steps the runner takes fit evenly into the length of the race.

*January 1, 2016*

**English**

Choose the term that describes the phrase in parentheses . You can just give the homework to Marc, (my next door neighbor), to give to me. adverb phrase adjective phrase appositive phrase participial phrase******

*December 29, 2015*

**English**

Thanks

*December 29, 2015*

**English**

Which of the following is a complete sentence? Never make the same mistake twice. Working on a project that was overdue. One of my friends, who writes beautiful poetry in his spare time. A brand new housing complex full of beautiful parks and amenities.******

*December 29, 2015*

**English**

Identify the part of speech for the word in parenthesis. He (was) deeply in love with Janine. action verb helping verb linking verb******** none of the above

*December 29, 2015*

**English**

thanks

*December 29, 2015*

**English**

simile

*December 29, 2015*

**English**

Which literary device is used in the following sentence? “Marie worked all day like an ant getting ready for the winter.” alliteration metaphor************** simile rhyme scheme

*December 29, 2015*

**English**

thanks

*December 29, 2015*

**English**

The profile of an earthquake survivor would most likely be included in a feature article.*************** an editorial article. a hard news article. a letter to the editor.

*December 29, 2015*

**Math:Finance**

What amount must be remitted if the following invoices, all with terms 4/10, 2/30, n/60, are paid on May 10? $850 less 20%, 10% dated March 21 $960 less 30%, 16 2/3% dated April 10 $1040 less 33 1/3%, 25%, 5% dated April 30

*December 11, 2015*

**Social Studies**

I was A I got it wrong

*December 10, 2015*

**Social Studies**

Which statement best summarizes direct democracy? A)Voters have the right to propose and respond to laws through the voting process. B)Voters have the right to choose whether to vote. C)Voters have the right to choose for whom to vote. D)Voters have the right to choose which ...

*December 10, 2015*

**Math**

Total "parts" 12 + 4 + 8 = 24 Ratio bananas : whole 4 : 24 Divide both sides by 4 to reduce 1: 6 <-----

*December 10, 2015*

**Critical thinking**

How do I determine if an inference is inductively valid or not?

*December 6, 2015*

**math**

Thank you Damon :)

*December 3, 2015*

**math**

The height in meters of a projectile launched from the top of a building is given by h(t)=-5t^2+60t+15, where t is time in seconds since it was launched. a) How tall is the building? b) At what time does the projectile hit the ground? C)What is the velocity(rate of change with...

*December 3, 2015*

**Algebra**

My answer is 67x + 70

*December 2, 2015*

**Algebra**

Your class project involves recycling aluminum cans. After x weeks, your class has (13x + 50) aluminum cans. The class goal is to collect (80x + 120) aluminum cans. How many more aluminum can does your class need to collect?

*December 2, 2015*

**Math**

I am a number with 8 tens the digit in my ones place is 4 more than the digit in my hundreds place the sum of my digits is 16 what number am i

*December 1, 2015*