Saturday
December 10, 2016

Posts by amy

Total # Posts: 4,147

Math
Fill in the blanks. 56 ÷ 7 = ____ ones ÷ 7 = ____ ones = ____
December 6, 2016

Math
21?
December 5, 2016

Math
A phone company uses the equation y=0.15x+10 to find y, the monthly charges for a customer sending x text messages. How many text messages are sent if the monthly charge is $77.50?
December 5, 2016

ACCOUNTING
On April 1, 10,000 shares of $5 par common stock were issued at $22, and on April 7, 5,000 shares of $50 par preferred stock were issued at $104. On April 20, 5,000 shares of common stock were issued in exchange for land. The stock had a market value of $23 on that date. ...
December 4, 2016

Statistics
Thirty-three small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5 reported cases of larceny per year. Assume that ? is known to be 42.9 cases per year. (a) Find a 90% confidence interval for the population mean annual number of reported ...
December 3, 2016

linear modles (math)
multiply 2.61*4.5 and round to the tenths. There are 10 tenths in a n inch I believe. Sorry if I didn't help.
December 1, 2016

Is My Answer Correct Tutors?
You deposit $9,000 in an account earning 5.5% interest compounded semiannually. How much will you have in the account after 10 years? (Note: Use n=12 for monthly compounding, n=4 for quarterly compounding, n=2 for semiannual compounding, and n=1 for annual compounding.) $15483...
December 1, 2016

algebra 1
Harold's car has a fuel tank with 12 gallons of fuel in it. The fuel efficiency of Harold's car is 25 miles per gallon. Write an equation to represent the amount of fuel remaining, f, in Harold's car after driving m miles.
December 1, 2016

Math
In a circus a tightrope is stretched from the top of a 10 ft. pole to the top of a 25 ft pole. The poles are 36 feet apart and vertical. How long is the tightrope? Show your work.
November 30, 2016

Math
F(x)= 3/2x +b In the function above, b is a constant. If f(6)=7, what is the value of f(-2) ?
November 27, 2016

Math
If (t/5)/(t-5)=10 what is the value of t ?
November 27, 2016

PreCalc
2x^3+x^2-8x+3>0
November 26, 2016

Statistics
Please help I don't know how to solve this problem : Trevor is interested in purchasing the local hardware/sporting goods store in the small town of Dove Creek, Montana. After examining accounting records for the past several years, he found that the store has been ...
November 21, 2016

Statistics
What is the average miles per gallon (mpg) for all new cars? Using Consumer Reports, a random sample of 35 new cars gave an average of 21.1 mpg. (a) Identify the variable. new cars total miles all cars miles per gallon (b) Is the variable quantitative or qualitative? ...
November 20, 2016

Statistics
Thank you so much, I appreciate it!
November 17, 2016

Statistics
Please help, I do not understand how to do this: Let x be a random variable that represents white blood cell count per cubic milliliter of whole blood. Assume that x has a distribution that is approximately normal, with mean ? = 7400 and estimated standard deviation ? = 2900. ...
November 17, 2016

Statistics
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 66 inches and standard deviation 4 inches. (a) What is the probability that an 18-year-old man selected at random is between 65 and 67 inches tall? (Round your answer to four decimal ...
November 17, 2016

Statistics
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 billfish is very popular in the Cozumel region of Mexico. In the Cozumel region ...
November 17, 2016

Maths
I got 30% on a 10-problem test, 70% on a 20-problem test and 80% on a 30-problem test. If the three tests are combined in one 60-problem test what percentage is my overall score?
November 17, 2016

Statistics
Accrotime is a manufacturer of quartz crystal watches. Accrotime researchers have shown that the watches have an average life of 32 months before certain electronic components deteriorate, causing the watch to become unreliable. The standard deviation of watch lifetimes is 7 ...
November 16, 2016

Statistics
find z such that 6.6% of the standard normal curve lies to the right of z. (Round your answer to two decimal places.)
November 16, 2016

physics
The figure shows an overhead view of a 3.00-kg plastic rod of length 1.20 m on a table. One end of the rod is attached to the table, and the rod is free to pivot about this point without friction. A disk of mass 37.0 g slides toward the opposite end of the rod with an initial ...
November 16, 2016

Math
Somebody help
November 15, 2016

Math
Anjalina earns 5% commission on all electronics she sells at electric world .on Monday she sold a television for $1130 and DVD that cost $325 .what was the total she earned in commission
November 15, 2016

math
Alice is working 2 jobs to save up money for a trip. She works at the ice cream shop for $9 an hour and babysitting for $12 an hour. She needs to earn at least $200 per week and can only work 20 hours per week. Write a system of inequalities to model the number of hours she ...
November 15, 2016

physics
A child is sitting on a stationary skateboard with a pile of rocks which she throws in one direction in order to make the skateboard travel in the opposite direction. If the rocks each have a mass of 0.95 kg and she can throw them with a speed of 19 m/s relative to the ground...
November 13, 2016

chemistry limiting reagent
thank you :)
November 13, 2016

chemistry limiting reagent
if i have a 1:1 mole ratio as with this reaction: NaOH + HCl --> NaCl + H20 and i use same volumes (50mL) and same Molaritys (1.00M) then there is no limiting reactant correct??
November 13, 2016

Calculus
I got the answer thanks anyways:)
November 12, 2016

Calculus
its f prime.
November 12, 2016

Calculus
Suppose that f(x+h)-f(x) =-4 h x^2 - 1 h x + 4 h^2 x + 3 h^2 -3 h^3. Find: f^1(x)
November 12, 2016

Math
Thank u Ms. Sue
November 9, 2016

Math
How do I write this as a equation? Two years if local internet cost $685, including the installation fee if $85. What is the monthly fee?
November 9, 2016

math
7. A certain strain of bacteria doubles every 6 minutes. Assuming that you start with only one bacterium, how many bacteria could be present at the end of 84 minutes (round answer to the nearest bacteria)?
November 9, 2016

algebra connections
8. The population of Grand City in 1990 was 5,250. Assume the population is increasing at 2.5% per year. What was the population in Grand City in 2010 (round answer to the nearest person)?
November 9, 2016

algebra
At the start of an experiment, there are 100 bacteria. If the bacteria follow an exponential growth pattern with a growth rate of 2%, what will be the population after 5 hours (round to the nearest bacteria)?
November 9, 2016

Math
Thank u Ms. Sue
November 7, 2016

Math
Three birds have a combined age if 76 years old. One bird is 10 years old. The second is twice as old as the third bird. How old are they?
November 7, 2016

Math
A right triangle hypotenuse has length of 5. If one keg has length of 2, what is the length of the other leg?
November 7, 2016

math- Trigonometry
Simran, thanks for asking for me
November 5, 2016

math- Trigonometry
Ok thank you. that makes more sense. I didn't understand the square root thing they did.
November 5, 2016

Math
Sandra has 16 red roses and 40 white roses. she wants to make arrangements of flowers with the same number of red roses and the same number of white roses in each arrangement. What is the greatest number of arrangements Sandra can make?
November 3, 2016

Science Psysics
A 6 kg black is placed at the very top of a ramp that is inclined at 31 degrees and the block is released to slide down the ramp. As the block slides friction exerts a constant resistive force of 17N directed back up the ramp What is the block's speed when it arrives at ...
November 2, 2016

Math
7/3 divided by 5/6
November 2, 2016

Math
The population of Greenville is approximately 75 times the population of Fairview. There are 3.75*10^5 people living in Greenville. Approximately how many people are living in Fair view?
November 1, 2016

Geography
Draw diagram to help find M angle ABD when M angle ABC equals 66 M angle ABD equals 5x + 3 and M angle DBC equals X plus 3
October 31, 2016

physics
a block B (m2 = 14 kg) is at rest on top of a table. Block B is connected to block A (m1 = 4.8 kg) and block C (m3 = 17 kg) by two strings that each pass over a frictionless pulley installed at the either end of the table. The horizontal surface of the table exerts a 32-N ...
October 30, 2016

physics
Children slide down a frictionless water slide that ends at a height of 1.80 m above the pool. If a child starts from rest at point A and lands in the water at point B, a horizontal distance L = 2.46 m from the base of the slide, determine the height h of the water slide.
October 28, 2016

Photography
IS this statement true or false? 100 ISO for film = 800 ISO for digital. I'm not sure. I only learnt ISO for digital. I don't know how to check if they are both equal.
October 28, 2016

Math
Miguel has 325 baseball cards and 272 football cards. He said that he has 597 cards in all. Is his answer reasonable? Explain using estimation
October 26, 2016

Math
Natatile has 138 DVD's and 419 CD's. If yu were to estimate the sum of the DVD's and CD's, what sentence could you write? Then find your estimated sum.
October 26, 2016

Math
Find the unit rate: Jim roller skates 12 miles in 2 hours.
October 26, 2016

Math
Ethan's dog weighs 48 pounds. Noah's dog weighs 5/8 the weight of Ethan's dog. How much does Noah's dog weigh?
October 25, 2016

Pre-Algebra
"John puts $200 in his safe and starts saving $50 per month. Write a function rule for the amount of money he will have in his safe after x months. How much money will be in his safe after 12 months?" I got how much money will be in his safe after 12 months, but I ...
October 25, 2016

Algebra
Factorize 1: 8z^2+19z+15=0 2: 4x^2+16x-6=0
October 23, 2016

Algebra
Yes but how do I explain my answer?
October 22, 2016

Algebra
Mickey charges $15, $30, $45, and $60 for babysitting 1, 2, 3, and 4 hours, respectively. Is the relationship between the number of hours and the amount charged porportional? If so, find the unit rate. If not, explain
October 22, 2016

Math
108?
October 18, 2016

Math
A team plays 120 matches each year. In it's first year, the team won 45% of it's matches. The next year the team won 55% of it's matches. How many more games did the team win in the 2nd year than in the first year?
October 18, 2016

physics
A rotating wheel requires 7.00 s to rotate 28.0 revolutions. Its angular velocity at the end of the 7.00-s interval is 97.0 rad/s. What is the constant angular acceleration (in rad/s) of the wheel? rad/s2
October 17, 2016

Maths
Amy walks 9km in 1.5hours.what is her speed?
October 13, 2016

Math
Kendrey had 1 1/3 bags of popcorn. About how much more does she need to have about 4 bags of popcorn? 3 Give two di erent possible answers.
October 10, 2016

Literature review
I need directions/steps on how to start writing this paper. This is the rubric I need to follow in order to complete this paper: Literature review: On subsidized hosing, public housing. Define section 8 housing, section 202 housing, section 811 housing. Your focus: Should ...
October 7, 2016

Expected Value extended warranty
A company estimates that 0.2% of their products will fail after the original warranty period but within 2 years of the purchase, with a replacement cost of $450. If they offer a 2 year extended warranty for $55, what is the company's expected value of each warranty sold?
October 6, 2016

Math
There is an 8 foot long ramp. If the platform holding up the end of the ramp is 1 foot high, how do you calculate the distance from the base of the platform to the end of the ramp? Is there an equation I'm missing here or something?
October 5, 2016

Math
Thanks yall
October 4, 2016

Math
Distributive property: 8(-x -6)
October 4, 2016

Social Studies
1, What was one reason for the formation of the Democratic Republican Party? Washington's cabinet members wanted to form a new party to strengthen the federal government Thomas Jefferson's views clashed with those of Alexander Hamilton **** The alien and sedition acts...
October 3, 2016

Physics
a ball is shot upwards from ground level at a vertical speed of 40 m/s. a. What is the vertical speed of the ball just as it hits the ground? Explain. b. How long is the ball in the air? Explain. c. Draw a height vs time graph of the situation. Include a point at each 1-second...
October 2, 2016

math-8
which measurement would be least likely to be written in scientific notation;the thicknessof a dog hair, the radius of a period on this page, the ounces in a cup of milk? explain your reasoning
September 29, 2016

Math
Thank u Ms. Sue
September 28, 2016

Math
The area if a square is 67 square meters. Estimate the length of each side of the square to the nearest tenth.
September 28, 2016

Math
Thank u
September 26, 2016

Math
Using substitution, tell whether the ordered pair is a solution to the equation: y=5x;(15,-3)
September 26, 2016

Math
Thank u Ms. Sue
September 26, 2016

Math
Janet runs 2,640 feet in 5 min. How far will she have run in 15 minutes?
September 26, 2016

Chemistry
Andrew weighs 45 lbs and requires insulin. His doctor has prescribed 0.150 units of insulin/kg body weight/hr while he is in the hospital. The insulin bottle you have possesses a concentration of 20.0 units/15.0 ml and all must be given. Give all answers to three sig figs. a. ...
September 24, 2016

History/Government
BS is correct
September 23, 2016

Math
If the revenues fron the extra 1/4% sales tax amounted to $48,136.47 in 1983 and is to be divided equally among 7 different departments within the city of Albuquerque, how much will each department receive ?
September 22, 2016

Math
If you purchase a tv and pay $40 down and $32.60 a month for 8 months, and what was the purchase price of the tv?
September 22, 2016

Math
The angle measures of a triangle are: 2x+5 degrees, 6x-5 degrees, and 7x degrees. What is the value of x?
September 20, 2016

Math
For each babysitting job, Ashley charges $2.50 for bus fare and $8.00 per hour for each hour she works. She charged $30.50 for her last babysitting jib. Write an equation representative if this situation. Do not solve it. What does the variable represent?
September 19, 2016

math
John's age is seventeen years less than twice Isabella's age. Together, the sum of their ages is 40. How old is John?
September 14, 2016

science
how much salt must be added to how much water to create 10ml of a 10% saline solution.
September 14, 2016

Math
How do I work this out h^3 r^3 × h^4 r
September 12, 2016

Government
1) C 2) D 3) D 4) B 5) B 6) C 7) D 8) C 9) D 10) B THESE ARE THE ACTUAL ANSWERS
September 12, 2016

social studies
Was D correct?!?! I was really confused about this...
September 10, 2016

Physics
Thanks, that was super helpful.
September 8, 2016

Physics
Throw a stone straight up in the air. At its highest height what is its speed? Is it accelerating then?
September 8, 2016

Math
Javier worked for 16 hours last week and was paid $157. What was Javiers hourly wage?
September 7, 2016

Math
Is this equation true? How do u know? p-q=p+(-q)
September 7, 2016

Math
Thanks Ms. Sue
September 7, 2016

Math
Expand the expression using the distributive property : 4(9x-8)
September 7, 2016

Math
12.5 years
September 6, 2016

Math
The height of a Norway Spruce is 10 feet. 2 1/2 feet per year, how long will it take the tree to reach the height of 25 ft? Write an equation that could be used to find how long it will take for the tree to reach a height of 25 ft.
September 6, 2016

Government
According to the preamble to the Declaration, what is Jefferson’s aim in writing the Declaration?
September 6, 2016

jccc
a tennis player moves in a straight line path as shown in figure below. find her average velocity in following time intervals.
September 2, 2016

jccc
when applying the equation of kinematics for an object moving in one dimension which of the following statements is true
September 2, 2016

Math
Subtract and subtract 18 2/3 -17 5/6
September 1, 2016

Math
What is the volume of a fridge with dimensions 2.5ft, 2tft, 4ft..
September 1, 2016

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