Saturday
December 10, 2016

# Posts by mom

Total # Posts: 158

Physics
I am trying to help my daughter with this question and don't know how to even begin it. Thank you. A 75 kg baby carriage is pushed along a level sidewalk by exerting a force of 50 N on the handle, which makes an angle of 60o with the horizontal. What is the coefficient of ...
November 8, 2016

Math
November 2, 2016

MATH
She is homeschooled through Florida Virtual School because she is a dancer and could not handle regular school. She did not have time. You are being very unprofessional. Do not be so ignorant. And I do not think any children should be learning from your explanation if you do ...
June 9, 2016

MATH
Create a rational function with a linear binomial in both the numerator and denominator. Part 1. Graph your function using technology. Include the horizontal and vertical asymptotes and the x- and y-intercepts on your graph. Label the asymptotes and intercepts. Part 2. Show ...
June 9, 2016

Algebra
So would it be: 8 - sq rt 3 -60 -48 - sq rt 3 +2/5 5 11 12 6 sq rt 5 20 9 sq rt 6 16 sq rt 7 5/6 2 sq rt 5 /5 Thanks
March 24, 2016

Algebra
Put in order from smallest to largest 12 6 square root 5 20 9 square root 6 16 square root 7 5 -48 11 8 - square root 3 -60 5/6 2 square root 5/5 - square root 3 +2/5 The square root us confusing my son. Thanks so much
March 24, 2016

Math
If you get the unit rates for each using 1 pint as your unit, you will find the 5 pints at \$8.10 is the best deal. 1/2 pint at \$.90 comes to \$1.80 per pint 1 pint at \$1.65 2 pints at \$3.40 comes to \$1.70 per pint 5 pints at \$8.10 comes to \$1.62 per pint
March 21, 2016

math
Amanda has a ribbon that is 1-meter long. She wants to put a bead at every of a meter. She puts the first bead at and the last bead is at 1 meter. Which number line shows the correct placement of beads if Amanda puts them at every of a meter? A. B. C. D.
March 21, 2016

Algebra I
Thank you
March 15, 2016

Algebra I
He got 10
March 15, 2016

Algebra I
Son brought home a hand made worksheet that teacher did not go over and can't find examples anywhere. Multiply each expression by its conjugate. A. Square root of (13)-2 B. 2+3Square root (5) C. Square root(3) minus Square root(7) Thanks
March 15, 2016

math
Monica lives 8/10 of a mile from Wally and 3/4 of this distance from Adam. How far does Monica live from Adam?
March 1, 2016

help me pls
Jim's piano lesson are 30 minutes longer than Suzanne's clarinet lesson.Suzanne's clarinet lesson are one-third the length of pedro's guitar lessons.If pedro's guitar lessons are 60 minutes long,how long are Jim and Suzanne's lessons?
March 1, 2016

Algebra
Is it possible to write a trinomial with degree 0? Explain. Thank you
January 19, 2016

Math
Tony's family wants to arrive at the family reunion at 5:00 pm for the supper that is being planned. Driving time will be about 6 hrs 30 mins. They plan to stop for gas one time for 10 mins. They also will stop for lunch for 45 mins. At what time should they leave in order...
January 11, 2016

Math: Ratio
My son had the following word problem and I don't know where to begin:The ratio in the school gym of boys to girls is 4:3. 160 boys left the gym and the ratio became 4:5. How many girls are in the gym?
January 5, 2016

Algebra
Write equation through given points (2/3,-1/5) and (1/4,7/10)
December 16, 2015

Algebra
It takes Tom five hours to travel 20 miles downstream. It takes him eight hours to travel the same distance back up stream. How fast is the boat? How fast is the current?
December 15, 2015

Algebra
Think we have it but want to make sure Write the standard form of the equation of each line using integers. 1. Y=-8/5x-4 Answer 8x+5y=-20 2. 4y=12+3x Answer -3x+4y=12 Thanks
November 15, 2015

Math
I believe the answer is...He put in 87.5% of what was meant. His error is 12.5%. That is what he is lacking.
November 12, 2015

Algebra
Determine whether the graphs of the given equation are parallel, perpendicular, or neither. Explain y=4x-2 -X+4y=0
November 2, 2015

Algebra
Confused mom thanks for your help. Find the X and Y intercepts of the line that passes through the given points (-6,4), (3,-5)
October 31, 2015

Algebra
Starting from 200 ft away, your friend rides his bike toward you and then passes by you at a speed of 18 ft/s. His distance d (in feet) from you t seconds after he started riding his bike is given by d=|200-18t |. At what time(s) is he 120 ft from you? I got t=4 4/9s but not ...
September 21, 2015

Algebra
Write a polynomial of least degree with real coefficients and with the root -6-8i. Write your answer using the variable x and in standard form with a leading coefficient of 1. Thanks, I have no idea!
September 16, 2015

math
Describe how to order 7,463, 74,633, 74,366 from least to greatest
August 26, 2015

Algebra
2m-nx=x+4 Solve for x
August 24, 2015

Algebra
A vehicle travels on a highway at a rate of 65 mi/h. How long does it take the vehicle to travel 25 mi?
August 24, 2015

I am a mom that can't figure out how to help my daughter with this problem. Alicia is making pies. She uses 1 1/2 cups of sugar for every 2 pies. She has 5 1/4 cups left. How many more pies can she make? I think the answer is 7 pies but not sure how to teach her how do ...
March 23, 2015

Science
How do I find how many seconds that pass between wave crests when I have the Frequency = 0.5 Hz Wavelength = 6 meters Thanks
November 12, 2014

math
I need to know how to find a number that makes the statement true so that I can help my daughter. 1/2 < ?/8
October 14, 2014

math rounding
this 7 digit number is 8,920,000 when rounded to the nearest ten thousand? The digits in the tens and hundreds place are the least and same value . THe value of the thousands digit is double that of the the thousands digit. THe sum of all its digits is 24.
September 4, 2014

Math
Find y intercept for (-2,4)(6,4) then (0,6) and (8,6). It it possible
May 3, 2014

chemistry
2Hg+O2=2HgO if 50.0 grams of mercury reacts with 50.0 grams of oxygen gas, how many grams of mercury(ii)oxide are produced?
February 14, 2014

Math
Which two dates have a quotient of 3 and a sum of 32. Dates are 1-30...
February 4, 2014

math
If the volume of a box is 357, how do you determine length, width and height?
August 13, 2013

Math
Charles has 34 coins 1/3 of them are pennies 1/4 is nickles 1/6 is dimes and the rest of them are quarters. Tell how many of each coin Charles found. Draw all coins and label them
March 7, 2013

math
WHY ARE U POSTING ON THE INTERNET? GO TO BED
March 5, 2013

math
Is this correct, I guess my son was trying to figure the answer by adding it to the perimeter of the picture.
February 28, 2013

math
Erica painted a picture of her dog. The picture has an area of 3,600 cm2 and is square. She has placed the picture in a frame that is 5 cm wide. What is the perimeter of the picture frame? Is the correct answer 260 cm2?
February 28, 2013

math
he put 4 1/4x3/4 3/3x3/4 5x3/5 1/2x3/4
February 12, 2013

math
Put the following products in order from least to greatest without multiplying 5x 3/4 4 1/4x 3/4 1/2x 3/4 3/3x 3/4
February 12, 2013

math
Oh my goodness thank you I didn't even catch that!
January 7, 2013

math
but what about 5 10/11? There is no common denominator?
January 7, 2013

math
Order the numbers from least to greatest 4 1/4 4 1/8 5 10/11 4 2/12
January 7, 2013

english
Thank you, so it should be B. Lay
December 6, 2012

english
What is the correct answer I ____ on the couch last night. A. lie B. lay C. laid D. lain
December 6, 2012

english
is it lain
December 4, 2012

english
Is this correct Having laid on the riverbank all day, the young vacationers missed their meals.
December 4, 2012

english
Is this correct The white hen has laid the greatest number of eggs.
December 4, 2012

english
Is the following sentence correct Lsy your clothes out at night, and you will have a head start in the morning.
December 4, 2012

english
Is the following question correct It took a lot of planning, time, and energy to lay the track for the trans-continental railroad.
December 4, 2012

english
Is the following question correct? Set the salt and pepper on the table.
December 4, 2012

word problem
375. 5*15 is 75 for jonah 4*75 is 300 for friends However question asks total for jonah AND friends.....375
October 22, 2012

math
classify the triangle as a scalene,isoceles or equilateral and acute right or obtuse
October 21, 2012

probability
An aircraft is equipped with three engines that operate independently. The probability of an engine failure is .01. What is the probability of a successful flight if only one engine is needed for the successful operation of the aircraft?
October 10, 2012

statistics
An aircraft is equipped with three engines that operate independently. The probability of an engine failure is .01. What is the probability of a successful flight if only one engine is needed for the successful operation of the aircraft?
October 10, 2012

statistics
. In testing a new drug, researchers found that 20% of all patients using it will have a mild side effect. A random sample of 15 patients using the drug is selected. Find the probability that: (A) exactly three will have this mild side effect (B) at least six will have this ...
October 7, 2012

Statistics
. In testing a new drug, researchers found that 20% of all patients using it will have a mild side effect. A random sample of 15 patients using the drug is selected. Find the probability that: (A) exactly three will have this mild side effect (B) at least six will have this ...
October 7, 2012

college math
Classify the triangle as scalene isoceles or equlateral and as acute, right or obtuse
October 5, 2012

statistics
You are given the following data. Number of Absences Final Grade 0 95 1 91 2 82 3 69 4 67 5 58 - Find the correlation coefficient for the data. - Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
October 4, 2012

statistics
Two cards are selected, one at a time from a standard deck of 52 cards. Let x represent the number of Jacks drawn in a set of 2 cards. (A) If this experiment is completed without replacement, explain why x is not a binomial random variable. (B) If this experiment is completed ...
October 4, 2012

statistics
Determine whether each of the distributions given below represents a probability distribution. Justify your answer. (A) x 1 2 3 4 P(x) 1/5 5/12 1/3 1/6 (B) x 3 6 8 P(x) 0.2 2/5 0.3 (C) x 20 35 40 50 P(x) 0.3 -0.1 0.5 0.3
October 4, 2012

statistics
. For the table that follows, answer the following questions: x y 1 -1 2 -5 3 -9 4 - Would the correlation between x and y in the table above be positive or negative? - Find the missing value of y in the table. The missing value of y = How would the values of this table be ...
October 4, 2012

statistics
If the correlation coefficient is -0.54, what is the sign of the slope of the regression line? - As the correlation coefficient decreases from 0.86 to 0.81, do the points of the scatter plot move toward the regression line, or away from it
October 4, 2012

chemistry
A student wishes to prepare 1.000 g of silver chromate. How many mL of .05000M silver nitrate solution should be added to 50.00 mL of .0700M potassium chromate solution assuming 100% yield
September 25, 2012

math
What is the product of the digits in the one's place and the hundred's place is 6. The sum of these two digits is 5.
August 29, 2012

nonfiction
July 24, 2012

math
Can you work this problem 6yd 2ft +7yd 1ft
April 23, 2012

math
Jan Maya and Sara ran a total of 64 miles. two ran the same and one ran 8 less. how many miles did they run?
April 12, 2012

math
andy is wrapping a present to give to his mother which is in the shape of a cube.each edge of the cube measures 12 inches. how much wrapping paper does he need.
March 6, 2012

Chemistry
When a 77 g piece of metal with a temperature of 88 Degree Celsius is placed into 277 g of water having a temperature of 20 degree Celsius, the final temperature of the metal and water is 23.3 degree Celsius. What must be the specific heat of the metal?
February 14, 2012

Chemistry
When a 77 g piece of metal with a temperature of 88 Degree Celsius is placed into 277 g of water having a temperature of 20 degree Celsius, the final temperature of the metal and water is 23.3 degree Celsius. What must be the specific heat of the metal?
February 14, 2012

God has blessed us with your answer!! Thank you for helping us have a good start this morning! Hope you have a great day!
February 14, 2012

My daughter needs to use PROPORTION to solve metric conversions. Can you please help? The question are for the following conversions: g=kg ___g = 5.114 kg km=m 0.5 km = ___m These are the other conversions that we need to make: ml=L g=mg cm=m kg=g km=m 0.5 km = ___m mm=m cm=mm...
February 14, 2012

Chemistry
Thank you bob. However, what is specific heat of a metal is e metal is unknown.
February 14, 2012

Chemistry
When a 77 g piece of metal with a temperature of 88 Degree Celsius is placed into 277 g of water having a temperature of 20 degree Celsius, the final temperature of the metal and water is 23.3 degree Celsius. What must be the specific heat of the metal?
February 14, 2012

riddle
what word can you make with these lettters tttlrmheee
November 15, 2011

algebra
How do I solve a linear equation using equality properties?
November 14, 2011

english
Is The economy in Nevada has faltered into a situation. a proper sentence? If not why not.
October 27, 2011

Chemistry
An unknown hydrate of copper (II) oxalate is to be identified in the lab. The following data was collected by a student: Mass of crucible 23.776 g Mass of crucible + hydrate 24.889 g Mass of crucible + anhydrate 24.530 g Thank you
October 23, 2011

Chemistry
If 20.0 grams of propane are burned with 50.0 grams of oxygen: What mass of CO₂ is produced? What mass of water is produced? What mass of which reactant was excess? Thank you so much.
October 23, 2011

Chemistry
If 20.0 grams of propane are burned with 50.0 grams of oxygen: What mass of CO₂ is produced? What mass of water is produced? What mass of which reactant was excess? Thank you so much.
October 23, 2011

Chemistry
If 20.0 grams of propane are burned with 50.0 grams of oxygen: What mass of CO₂ is produced? What mass of water is produced? What mass of which reactant was excess? Thank you so much.
October 23, 2011

Chemistry
A 3.000 gram sample of an unknown compound containing the elements carbon, hydrogen, and nitrogen is analyzed by combustion. The combustion releases 4.714 grams of carbon dioxide and 1.500 grams of nitrogen. If 25 molecules have a combined mass of 4.65 x 10⁻²¹ ...
October 18, 2011

Thank you DrBob222
Thank you - you are an awesome teacher!!!!!
October 17, 2011

Chemistry
Okay, so my O=.82348 then I divide everything by .1177, and i get c=7.996 H=1.00 O=6.99 This looks like a ratio of 8:1:7 C8H107??
October 17, 2011

Chemistry rework problem
Thank you Dr. Bob222 An unknown compound contains carbon, hydrogen, and oxygen. When burned, a 2.000 gram sample of this compound releases 3.451 g of carbon dioxide and 1.059 grams of water. What is the empirical formula of this compound? Here is the problem I worked out: C=....
October 17, 2011

Chemistry
An unknown compound contains carbon, hydrogen, and oxygen. When burned, a 2.000 gram sample of this compound releases 3.451 g of carbon dioxide and 1.059 grams of water. What is the empirical formula of this compound? Thank you very much.
October 17, 2011

Chemistry
A 12 g sample of an unknown compound contains 3.489 g of sodium and 4.870 g of sulfur. The rest is oxygen. Name the compound Thank you!
October 17, 2011

Chemistry
A piece of metal alloy (a solution of metals) is made of gold and silver. It is 20% by mass silver. An irregularly shaped piece of this alloy contains 0.356 lb of gold. When the alloy is added to a graduated cylinder that contains 31.55 mL of alcohol, the level in the cylinder...
October 9, 2011

Chemistry
A homogenous mixture of metals is called an alloy. An alloy is found to be 30% by volume gold with the rest being aluminum. Aluminum has a density of 2.70 g/cm³. Gold has a density of 13.1 g/cm³. If a piece of alloy contains 3.70 lbs. of gold, how many kg of aluminum...
October 9, 2011

Bob Pursley
Bob: Thank you for answering my Chemistry question. I apologize that it was on there twice. I accidentally posted again the same question instead of a different question. You answered the first question with precision. Thank you
October 9, 2011

Chemistry
An aqueous solution of copper (I) chloride is 15.7% by mass copper (I) chloride. Copper (I) is 35.8% by mass chlorine. If the solution has a density of 1.045 g/cm³, how many gallons of solution contain 2.3 kg of copper? Trying to help my son study. Thank you.
October 9, 2011

Chemistry
An aqueous solution of copper (I) chloride is 15.7% by mass copper (I) chloride. Copper (I) is 35.8% by mass chlorine. If the solution has a density of 1.045 g/cm³, how many gallons of solution contain 2.3 kg of copper? Trying to help my son study. Thank you.
October 9, 2011

Chemistry
An aqueous solution of copper (I) chloride is 15.7% by mass copper (I) chloride. Copper (I) is 35.8% by mass chlorine. If the solution has a density of 1.045 g/cm³, how many gallons of solution contain 2.3 kg of copper? Trying to help my son study. Thank you.
October 8, 2011

Why do you feel fuller when you eat meat than you eat fruits? This is put with an energy assignment.
September 12, 2011