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Posts by tina

Total # Posts: 1,234

College Algebra
A 40 ?-inch board is cut into two pieces. One piece is three times the length of the other. Find the lengths of the two pieces.

math
The ratio of male fish to female fish in a aquarium is 21:20. If there are 123 fish how many are male?

Physics
A beaker of water placed on a scale produces a reading of 0.910kg. An object of mass 0.27kg and volume 9.40 x 10^-5m^3 is lowered into the water by a string. By how much will the reading on scale change?

physics
Suppose a tank contains 714 m3 of neon (Ne) at an absolute pressure of 1.01×10^5 Pa. The temperature is changed from 293.2 to 294.7 K. What is the increase in the internal energy of the neon?

English
If you were to select one passage from the novel the great gatsby to represent one of the five major characters (gatsby, nick, daisy, tom, or jordan) which passage would best reflect that characters personality and why ?

Math
1/8 5/8 2/3 3/4

Math
Order the fractions from least to greatest 2/3 5/8 1/8 3/4

Math
A 26 long painting is how many yard long

Math
If the total cost of producing X units of a product is given by C(X)= 10,000 + 20xe X/600... find the marginal cost when 600 units are produced

algebra
Cindy put 1and 2 thirds cups of peanuts and 1 and 3/5 cups of popcorn into a bag what's the expression represents the total number of cups of peanuts and popcorn Cindy took to camp

Math
3,2, and 1 are x The rest is y

Math
Graph the given functions below X Y f(x)={3 0 < eqaul to x< 2 f(x)={2 2< equal to x < 4 f(x)={1 4 < equal to x < 6

Math
Graph the function below F(x)={2/3x x<-2 {-2 -2 < eqaul to x <1 {-3x+1 x > eqaul to 2

Math
I got y=1/3x + 13/3

Math
I fixed my answer but I'm not sure if it is right... a)The mean would increase while the median would remain the same. b) Both the mean and median would remain the same.

Math
Here is the question:Consider a data set of 15 distinct measurements with mean A and median B. (a) If the highest number were increased, what would be the effect on the median and mean? Explain. The mean would remain the same while the median would increase. Both the mean and ...

Algebra
How do I put these two equations below into a Table with at least 5 point. 2x-y=2 4x-2y=8 Important question: Am I suppose to have 1 table for each equations.

Algebra
So am I suppose to have 2 charts for each

Algebra
Create a system of equation that has no solution: - write the equations in two different forms(4) Create a system of equation that has infinitely many solution - write the equations in two different forms (4) One important Question: How am I suppose to form a table out of this...

Math
The relationship of red ribbons to green ribbons is 10 : 1/4. How mini red ribbons are used for every 4 1/2 green ribbons?

college math
solve these proportions and show work: x/2 = 1/2 plus 1 Thanks

Statistics
Sorry but I don't know how to do this problem. Can someone please help me? In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities. Ocean fishing for ...

math
Cos 10°

mth/208
solve d=abc for a. a=d/bc

Physics science
A 10 ohm, 20 ohm lamp and 12v battery are connected in a parallel. A current of 1.8 A passes through the battery and a current of 1.2 A passes through the motor. 1) Determine the current through the lamp. 2) Calculate the potential difference across the motor. 3) is this the ...

algebra
the perimeter of the small square is equal to one-half the perimeter of the large square, write and solve the an algebric equation to determine what the side lengths of the square are. small square is x large square is x+2

Math
What is the overall charge of 9 group with 12 protons and 1 electron? What electric charge does this group have?

science
A crane accidently drops a box full of material into a freshwater pool measuring 20 feet long, 10 feet wide, and 6 feet deep before the box is dropped causing the water level to rise to 6.05 feet after the box is dropped. The box is 10x8x12 inches and the material inside ...

Math
The amount of annual interest earned by $8000 invested at a certain rate is $200 less than $12,000 would earn at the rate 1% lower. At what rate is the $8,000 invested?

Math
How far does a yo-yo travel during one revolution of the "around the world" trick if the length of the string is 21 inches?

Criticial thinking
As part of the reorganization,company X created five new position within the company. However , after the reorganization was complete , company X had fewer employees that before the reorganization

Government
OCA very wrong 1-c 2-d 3-d 4-b 5-a 6-c 7-d 8-c 9-c 10-b

Grammar
Use plural verbs for

working with parents and families
The help of a computer program can help reduce the time that you as a director spend on payroll by as much as A.10% B.25% C.50% D.75% Pls help

math
Jordyn is a 15 Kg 2 ½ yr old with a fever and is ordered to receive Acetaminophen 200 mg to Q 4 hr for a fever >101. The SDR for Acetaminophen is 10-15 mg/Kg/dose Q 4hrs. Calculate the SDR for this child ? SDR = 15(10) – 15 (15) = 150-225 mg / dose. 3. The ...

Health
It's considered to be an advantage to have lungs with increased capacity, because with increased capacity

Math
A large balloon has a volume of 2.50 L at 0 C. At what temperature 0 C will the volume of the gas be 3.60 L Assume constant temperature

COM 425
2) a chief executive officer

COM 425
Which of the following people would likely be identified as a cosmopolite? 1) an independent contractor 2) a chief executive officer 3) a middle manager 4) a professional development coordinator

Math
Draw a graph showing plan A) $60 for unlimited, plan B) is $40 for 100 minutes and $.20 per minute after.

math
in city high school,the marching band has 48 members and the orchestra has 36 member.if there are only 12 students who belong to only one group and all students belong to at least one group how many students belong to both group?

science
According to the Lewis Acid/Base theory, what is the neutralization equation of Acid Nacl and Base AlCl3? NaCl+AlCl3----> (NaCl+AlCl3-----> Na+AlCl4 is incorrect)

Science
According to the Lewis Acid/Base theory, what is the neutralization equation of Acid Nacl and Base AlCl3? NaCl+AlCl3----> (NaCl+AlCl3-----> Na+AlCl4 is incorrect)

Scient
(NaCl) solutions used in intravenous injections have a concentration of 0.90% NaCl (mass/volume). 4.5grams of NaCl are needed to prepare 500.0 mL of this solution How much water must evaporate from this solution to give a solution that is 9.0% NaCl (mass/volume)?

Math
Suppose a rider travelled 6.4 km in 24 minutes using a gear ratio of 1.5. What would be the circumference of the rear wheel in mm? 6.4 km in 24 minutes = ______ mm in 1 minute This is the same as _________ mm in 1 minute This is the same as ________ mm in 1 second If the gear ...

science
A chemist combines copper (Cu) and silver nitrate (AgNO3) in a beaker. She then "magically" pull silver out of the beaker. explain these results using your knowledge of chemical reactions.

allied health
If disclosure of PHI is permitted under HIPAA, What is disclosed? A. Information both the patient and doctor think should be disclosed B. the minimum information necessary to accomplish the purpose of the disclosure C. Information the doctor thinks should be disclosed

Probability
There are 3 quarters, 2 dimes, 3 nickels,. 2 coins are drawn one at a time both are dimes. Probability that this may occur is 1/4. Because 2 of the coins are dimes. Is this correct. Please explain

A&P
Assume that Na+ is being transported across a membrane via facilitated diffusion. Which of the following conditions would allow for the most transport of Na+ across that membrane. Answers: 1) a gradient of less than 5% difference between sides for the Na+ and Na+ diffusing ...

Math
Paul borrows $600 at an interest rate of 8% per years for 4 years. How much interest will he have to pay?

economics
If price $=20,30,40,50 and quantity kg=2,3,4,5. Find the financial market function for commodity x

economics
Determine price in the market when the quantity supplied is 1.2kg

Math
What is the value of the function y=-3x+8 when x=6?

English
Need answer!! pleasee

math
There are 8 gallons of water in a tank which can hold 15 gallons. How many gallons can be added to this tank.

Physics
A -6 x10^-6 point charge is .030 m from another point charge and experiences a repulsive fore of 180 N what is the magnitude of the other charge

science
How is the virtual image produced by a converging lens different from the virtual image from a diverging lens?

7th Grade Math
Ms. Sue, Thank you so much for explaining.

7th Grade Math
How do I solve this problem? The answer I have is 715-623 = 92 or 92%. Is this the correct answer?

7th Grade Math
I need help with solving the answer to the problem below. What is the percent decrease, to the nearest percent, of the number of books checked out from June to July? June - 623(# of books checked out) July - 715(# of books checked out)

Math
How did you get 8.25% as 1.0825. We was taught to move the decimal two times to the left. Can you explain how you got 1.0825?

Physics
Light is bent as it enters a tank of water from air. It is bent to a greater angle when it goes from air to a glass block. Calculate the angle of refraction of 30.0° light shines from water into ice. The indices of refraction for water and ice are 1.36 and 1.31, ...

Physics!! Help
someone swings a bucket of water in a vertical circle. Describe the water's motion to another person? or How would you? & also how to explain the motion of the water to them? How come the water didn't fall on the persons head? A: Centrifugal force causes the water to ...

math
hourly truck rental terms, hourly rental rate is $25,plus $0.30 per mile john rented truck at 9:00am and returned it at 1:30 he drove a total of 100 miles? how much was he charge for time and milage?

math
If the markup on an oven is 200% based on cost, what is the corresponding percent markup based on selling price? Round percents to the nearest tenth of a percent. Do not enter the percent symbol in your answer.

Science
Ca = 0.75 , Cb = 0.735, and Ka = 7.87044 × 10 6 volume of acid is 100 mL. What is the volume of base at the equiva- lence point of this titration?

Science
Estimate the pH of a solution containing 0.5 L of 0.4 M HClO4 and 0.5 L of 0.2 M NaOH without using a calculator.

Chemistry
When an aqueous solution of sodium hydroxide, NaOH, is added to an aqueous solution of chromium(III) nitrate, Cr(NO3)3, a precipitate of chromium(III) hydroxide, Cr(OH)3, forms. Write a balanced net ionic equation for this reaction.

math
A ladder of length 6m leans against a vertical wall so that the base of the ladder is 2m from the wall. calculate the angle between the ladder and the wall

Physics
At the gym, a woman lifts 40 kilograms of weights on the leg press machine. It takes her 0.5 seconds to raise the weights a vertical distance of 0.4 meters. How much power does the woman generate when lifting the weights?

Spelling
Analogies with a word that begins with a consonant blend

Science
How do astronomers use spectroscope??

I HATE LA 1 question
actually it was deep!

I HATE LA 1 question
which of the following sentence is an adjective? Jack trudged home through deep snow A. Trudged B. Through C. Deep*** D. Home help plz and thank you and fast

Math
You plant a 4 foot maple tree that grows at a rate of 6 inches per year and a 2 foot birch tree grows at a rate of 8 inches per year . In how many years after planting will the two trees be the same height? How tall will each tree be?

ELA
TO HELP ESTABLISH COHERENCE IN A COMPARE AND CONTRAST ESSAY, WHICH OF THE FOLLOWING TRANSITIONS WOULD BEST SHOW A COMPARISON BETWEEN IDEAS?

Math
Can you give me a sample of a word problem that involves two items that totals to $70. One item cost $5 more than the other. What is the cost of each item?

Introduction to CARS Passages
CARS 1: Introduction to CARS Passages Passage I Those who consider the Devil to be a partisan of Evil and angels to be warriors for Good accept the demagogy of the angels. Things are clearly more complicated. Angels are partisans not of Good, but of Divine creation. The Devil...

CARS Passages
CARS 1: Introduction to CARS Passages Passage I Those who consider the Devil to be a partisan of Evil and angels to be warriors for Good accept the demagogy of the angels. Things are clearly more complicated. Angels are partisans not of Good, but of Divine creation. The Devil...

child development
1. When you share observations with parents, they typically A. develop trust in the program. B. pay less attention to their children. C. become less confident in themselves as parents. D. worry about their child's development.

math
Lucas' last 4 test scores were 88, 95, 92 and 81. 90% or better is an A. What would he have to get on his fifth math test to pull up his grade to a 90?

algebra
Dilbert invests a total of $14,000 in two accounts paying 9% and 15% simple interest, respectively. How much was invested in each account if, after one year, the total interest was $1,350.00. A) Enter an equation that uses the information as it is given that can be used to ...

algebra
After robbing a bank in Dodge City, a robber gallops off at 13 mi/h. 20 minutes later, the marshall leaves to pursue the robber at 16 mi/h. How long (in hours) does it take the marshall to catch up to the robber?

algebra
A coffee distributor needs to mix a(n) Queen City coffee blend that normally sells for $9.60 per pound with a Tanzanian coffee blend that normally sells for $11.20 per pound to create 80 pounds of a coffee that can sell for $9.84 per pound. How many pounds of each kind of ...

algebra
Wilma drove at an average speed of 60 mi/h from her home in City A to visit her sister in City B. She stayed in City B 20 hours, and on the trip back averaged 50 mi/h. She returned home 45 hours after leaving. How many miles is City A from City B

algebra
rewrite the following as a ten numeral

Chemistry
If you had 1.85 moles of hydrogen (H2) and 0.86 moles of Oxygen(O2) which would be the limiting reactant? How many moles of water can you produce from your supply of hydrogen and Oxygen?

algebra
a long distance call costs .50 for the first minute, and then .9 for each additional minute. If the call lasted 10 minutes, how much did the call cost in cents? Thanks

math statistics
the z scores for ken's chest, waist and hips are -3.4, -2.5 and -3.2,

jefferson ore
Using digits 1-9to build following numbers largest even number,largest number with 8 in millions place, smallest number .don't understand how to do this

College Algebra
5:04?

algrebra
in the early months of one year, one site opened 0.6 million new accounts. at this rate, how many days would it take to open 48 million new accounts. Thanks, Tina

math
4 friends order their own personal pan pizzas. No one could finish but Abby ate 2/3, Bobby ate 7/8, Carly ate 3/7, and Danny ate 2/5 of their pizzas. How much did each person eat? Who ate the most, the least and who ate more than half? 

math
Leon bought a bike on sale for 75% off the original price. Sale price was $41.00 less than original price. Find the original price and the sale price. Thanks

algebra 1
A farmer can plow a given field in 7 hours. If his son helps him, they can plow the field together in 4 hours. How long would it take his son to plow the field alone? Express your answer as a fraction reduced to lowest terms, if needed.

math
Typo.. when I was dividing, -3 should be -0.25 .

math
Dan has saved $500. He wants to open a chequing account at Save-A-Lot Trust or Maple Leaf Savings. Save-A-Lot Trust's chequing account is $10 per month plus $0.75 per cheque. Maple leaf savings' chequing account is $7 per month plus $1.00 per cheque. Which financial ...

math
shouldn't the 2 in 2(5y... be a 6?

math
thank you

math
6x-2y+1=0 and 3x-5y+7=0 How do I substitute this?

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