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Heidi

Questions and answers by visitors named Heidi

Questions (84)

Andrew has a combination of 8 quarters, dimes and nickels that add up to a value of 95 cents. How many of each coin does Andrew
1. 7 answers
2. 3,596 views
An unbiased die is thrown seven times. Find the probability of throwing it at least five six's.
1. 5 answers
2. 3,267 views
If the aspirin crystals were not completely dried before the melting point was determined, what effect would this have on the
1. 5 answers
2. 5,476 views
Does any one know how to work out the formula for any size step-stair on a 10 by 10 gridyer mum on toast
1. 1 answer
2. 418 views
Technological changes do not directly affect what, how, when, and where products are to be marketed. Now is this true or false
1. 3 answers
2. 908 views
A rectangular box with the volume 320 cu ft is built with a square base and a square top. The cost is $1.50/sg ft for the
1. 3 answers
2. 821 views
x ^2 + 6x + 9 (x ^2 - 3x)_____________ __________ x (x ^2 - 9) possible answers are 1 ___ x -3 x-3 x + 3 1 ____ x + 3 so far i
1. 1 answer
2. 519 views
I had to work on the income statement, the balance sheet and the statement of Owner's equity. Now I am on the statement of cash
1. 1 answer
2. 624 views
Hi, Im learning about polymers. I did a lab to make slime where I mixed PVA glue & water. I then added borax to some water in
1. 4 answers
2. 1,273 views
In the Krebs Cycle, does the ATP store energy or release energy?
1. 1 answer
2. 402 views
what does the Krebs cycle need to proceed?
1. 1 answer
2. 333 views
I just want an idea on how to do this, so will only post one example:For each of the following situations, decide whether the
1. 4 answers
2. 727 views
K this is what I have so far. I am wondering if i did the CAPM right and if that is all i need for that part and then I need to
1. 1 answer
2. 1,003 views
1. Microeconomics deals with: (Points: 3)the working of the entire economy or large sectors of it. economic growth. individual
1. 3 answers
2. 758 views
11. If an economy has to sacrifice increasing amounts of good X for each unit of good Y produced, then its production
1. 6 answers
2. 1,714 views
Just want to see if i did good in my choices, thank you11. If an economy has to sacrifice increasing amounts of good X for each
1. 4 answers
2. 781 views
31. If an increase in the price of a good leads to an increase in total revenue, then _____. (Points: 3)the supply curve must be
1. 3 answers
2. 2,667 views
ideas on 3-d pyramids
1. 1 answer
2. 329 views
growth rates
1. 1 answer
2. 400 views
1) growth ratesThe stock price of the company is $76 investors require a 14% rate of return on similar stocks If the company
1. 2 answers
2. 603 views
1) growth ratesThe stock price of the company is $76 investors require a 14% rate of return on similar stocks If the company
1. 2 answers
2. 646 views
How does an organization establish an IMC plan? What are some of the different stages that company goes through when developing
1. 3 answers
2. 502 views
paper summarizing each phase of the sexual response cycle for males, females, and commonalities for both males and females.
1. 3 answers
2. 383 views
A sample of 40 investment customers serviced by an account manager are found to have had an average of $23,000 in transactions
1. 1 answer
2. 688 views
For the following independent random samples, use the z-test and the 0.01 level of significance in testing as an approximation
1. 2 answers
2. 555 views
What is the difference between genetic mutation and transgenic organisms?
1. 1 answer
2. 424 views
I have to generate OOP code for a system that tracks my CDs and DVDs. I have gotten through the defining of class and subclass
1. 1 answer
2. 405 views
A charged disk of radius R that carries a surface charge density ó produces an electric field at a point a perpendicular
1. 1 answer
2. 1,151 views
I need help with my annotated bibliography thesis for Maya Angelou!!!!!!!?It is for a research paper. I has to include a
1. 6 answers
2. 629 views
3000 Joules of energy in the form of heat are added to a copper block with a mass of 1 kg. What is the blocks temperature
1. 1 answer
2. 408 views
Mrs.Rossi wrote the following clues for a mystery number:•It is a 4 digit number •The tens are double the ones. •The
1. 6 answers
2. 357 views
Measuring the quality of care is essential to being able to identify which areas of patient care need improvement. A positive
1. 2 answers
2. 570 views
What is a unit price and where is it found on?
1. 4 answers
2. 292 views
A cyclist and a jogger start from a town at the same time and head for a destination 11 mi away. The rate of the cyclist is
1. 2 answers
2. 598 views
A single-engine airplane carries enough fuel for an 8-hour flight. After the airplane has been flying for 1 h, the fuel tank
1. 2 answers
2. 1,062 views
.) Beth launches a rocket out in the courtyard. It stays in the air for 7.25 seconds before coming back down.a.) How high did it
1. 1 answer
2. 434 views
.) Bailey has taken up parkour. She attempts to clear the gap between two buildings. Bailey is on a roof which is 50m high and
1. 3 answers
2. 491 views
Beatrice throws the 1st calculator straight up from the edge of the roof of a building. She drops a 2nd calculator off the side
1. 2 answers
2. 506 views
When a student has chosen to continue their education, they have also started towards being financially secure in life.has
1. 7 answers
2. 536 views
To what volume should you dilute 50.0 mL of a 4.50 M KI solution so that 28.5 mL of the diluted solution contains 2.75 g of KI?
1. 4 answers
2. 1,385 views
How many grams of hydrogen can be produced by the electrolysis of water with a current of 0.290 A running for 5.00 min?
1. 1 answer
2. 447 views
Beginning with the ideal gas equation show how density of a vapor may be determined?I have so far: n = (PV)/(RT) d= m/V n= m/MW
1. 4 answers
2. 2,146 views
x^2+bx+45, Find the value for b such that the trinomial is a square
1. 1 answer
2. 436 views
The length of a rectangle is 10cm greater than the width. The area is 551cm^2. Find the length and width
1. 1 answer
2. 333 views
<11{6[1(07)71]}> The higher the price of an antique, the greater people’s expectation that the object is rare. That, in turn,
1. 2 answers
2. 861 views
17. <11{6[1(07)71]}> The higher the price of an antique, the greater people’s expectation that the object is rare. That, in
1. 4 answers
2. 4,120 views
How do I divide 3sqrt40 by 3sqrt5?
1. 3 answers
2. 354 views
how to calculate the % oil of thyme in thyme ?We did an experiment titled : the extraction of Thymol in thyme oil and the prof
1. 1 answer
2. 353 views
how to calculate the % oil of thyme in thyme ?We did an experiment titled : the extraction of Thymol in thyme oil and the prof
1. 1 answer
2. 333 views
how to calculate the % oil of thyme in thyme ?We did an experiment titled : the extraction of Thymol in thyme oil and the prof
1. 1 answer
2. 356 views
A downward force of 5.1 N is exerted on a -7.3 mcirco C charge. What is the magnitude of the electric field at this point?
1. 2 answers
2. 876 views
Two blocks with masses m1 = 1.40 kg and m2 = 3.00 kg are connected by a massless string, as shown in the Figure. They are
1. 1 answer
2. 624 views
A block with mass m = 16.1 kg slides down an inclined plane of slope angle 24.3o with a constant velocity. It is then projected
1. 1 answer
2. 968 views
Calculate the ratio of the drag force on a jet flying at 1049 km/h at an altitude of 10.0 km to the drag force on a prop-driven
1. 4 answers
2. 727 views
27 ft of wire is to be used to form an isosceles right triangle and a circle. Determine how much of the wire should be used for
1. 2 answers
2. 738 views
5.2 grams of magnesium metal are place in 400.0 mL of 1.0 M hydrochloric acid. The balanced equation for the reaction is:Mg +
1. 2 answers
2. 608 views
A butane lighter had a mass of 24.643 grams before lighting and a mass of 24.592 grams after. How many mL of CO2 were produced?
1. 1 answer
2. 443 views
In an examination a candidate is given the four answers to four questions but is not told which answer applies to which
1. 3 answers
2. 688 views
In an examination a candidate is given the four answers to four questions but is not told which answer applies to which
1. 2 answers
2. 598 views
The time taken by a man to deliver milk is normally distributed with, mean 12 minutes and standard deviation 2 minutes. He
1. 4 answers
2. 1,702 views
The life of an electric light bulb is known to be normally distributed with a mean of 2000 hours and a std. of 120 hours. Find
1. 4 answers
2. 1,243 views
The probability the New Year's day is on Saturday is a randomly chosen year is 1/7.15 years was chosen randomly. Find the
1. 4 answers
2. 2,177 views
The life span of a calculator has a normal distribution with a mean of 60 months and a standard deviation of 5 months. If a
1. 3 answers
2. 1,240 views
The ratio of one side of a polygon to the corresponding side of a similar polygon is 5:8 The perimeter of the second polygon is
1. 1 answer
2. 447 views
a basketball tournament starts with 64 teams. after one loss the team is out. how many games does the team that wins the
1. 3 answers
2. 733 views
You are making a rectangular table. The area of the table should be 10 ft^2. You want the length of the table to be 1 ft shorter
1. 3 answers
2. 904 views
Consider the following model for the electrostatic stretching of DNA. A spring with spring constant kDNA = 250 pN/m is tethered
1. 1 answer
2. 454 views
suppose you want to design a capacitor that uses mica as the dielectric material which has K = 7 and a dielectric strength of
1. 2 answers
2. 652 views
suppose you want to design a capacitor that uses mica as the dielectric material which has K = 7 and a dielectric strength of
1. 2 answers
2. 492 views
How many atoms are in 448 grams of carbon?
1. 2 answers
2. 469 views
Tommy owes 3000 on his credit card. He is paying 14.5% interest compounded monthly. If it takes him 4 years to pay off the
1. 3 answers
2. 508 views
Consider a series of 8 flips of a fair coin.(a) Calculate the probabilities for obtaining 0-8 heads. We will consider each of
1. 2 answers
2. 591 views
Simplify by reducing (4y^2z^3-8yz^2)/(yz^2-2z)
1. 1 answer
2. 276 views
What is 5/6 of 1/2
1. 1 answer
2. 288 views
1.64 as a mixed number in simplest form
1. 10 answers
2. 2,534 views
Use the henderson-hasselbalch equation to predict the change in pH when 0.50ml of 1M HCl is added to 40mL of .10M buffer at pH 6
1. 11 answers
2. 822 views
How many moles of conjugate base (Na2HPO4) are present in 40mL of .010M buffer at pH 7.5 vs at pH 6?Buffer was made up of
1. 5 answers
2. 693 views
Take into account correction factors for phosphate buffers, predict the pH when 0.50ml of 1M HCl is added to 40mL of .10M buffer
1. 1 answer
2. 475 views
Find the equilibrium constant for the following reaction:D-Glucose (aq) <-> 2L (+) lactic acid (aq) ΔG ° for D-Glucose=
1. 7 answers
2. 590 views
What molecules carry the energy derived from breaking down glucose? Where are these molecules made?Now, I'm thinking ATP and
1. 1 answer
2. 424 views
I bought a package of 15 expo markers, 20% were black. How many markers were blue?
1. 3 answers
2. 600 views
A cone has a height of 10cm and a volume of 9cm cubed. what is the radius of the cone?
1. 3 answers
2. 313 views
1.Que pides muchas veces como plato principal?2.Que piden tus amigo como plato principle? 3.Donde almuerzas? in sentences
1. 2 answers
2. 600 views
A line and three points are shown on the grid. The line on the grid contains the points (–1, 2) and (5, –2). The point is
1. 4 answers
2. 780 views

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