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Maddie

Questions (378)

Hi! I'm Maddie. I need some help on my homework. Here are three problems I need help with:A bowl contains only red marbles, blue
1. 4 answers
2. 691 views
Assuming lambda=0.02 and t=50, compute P(2)
1. 0 answers
2. 557 views
What is the range of values of the probability of an event?
1. 1 answer
2. 3,099 views
How do you add fractions??
1. 1 answer
2. 299 views
What would be the final temperature when 125g of 25 degrees Celcius water is mixed with 85g of 45 Degrees Celcius water? ( hint:
1. 0 answers
2. 571 views
How do you find the total number of maximum and minimum points of the function whose derivative is given by
1. 0 answers
2. 355 views
Calculate the pH at the equivalence point when 50 mL of 0.098 M propionic acid is titrated with 0.340 M NaOH.I tried solving for
1. 1 answer
2. 480 views
Calculate the pH of a buffer solution that contains 0.60 M NaH2PO4, and 0.26 M Na2HPO4.
1. 1 answer
2. 619 views
The pH of an 0.0870 M solution of weak acid A is 2.20. The pH of an 0.0830 M solution of weak acid B is 4.07. The pH of an
1. 1 answer
2. 689 views
I'm not really sure how to go about doing this problem...What is the pH of a 7.40 x 10-3 M solution of NH4Cl? Help is
1. 0 answers
2. 381 views
An aqueous antifreeze solution is 31.0% ethylene glycol (C2H6O2) by mass.The density of the solution is 1.039 g/cm3. Calculate
1. 3 answers
2. 1,520 views
A solution of hydrochloric acid (HCl) contains 22.5% hydrochloric by mass. What is the molality of this solutionI'm not sure how
1. 2 answers
2. 466 views
Rank the following compounds in order of their solubility in water. (most soluble = 1 -- least soluble = 4)--Note that for the
1. 5 answers
2. 2,116 views
What is the molarity of nitrate ions in a solution containing 2.20 mg of Mg(NO3)2 dissolved in 7.35 L of water?
1. 2 answers
2. 1,820 views
If x = 15 units, y = 7 units, and h = 4 units, then what is the area of the trapezoid
1. 1 answer
2. 569 views
Find the integers from 1 to 144 which are perfect squares and write the square root of each one.
1. 1 answer
2. 551 views
Ten boys are to share 3 3/4 pounds of candy equally. How much candy does each boy get?
1. 1 answer
2. 421 views
1). How many shelves each 2 3/4 feet in length can be cut from a piece of lumber that is 15 2/3 feet long?
1. 1 answer
2. 734 views
What mass of CH4 is contained in a 443 mL sample of CH4 at −32◦C and 282 torr?Answer in units of g. I tried so many times
1. 1 answer
2. 585 views
If tan y = -4/3 and y is in Q I'VE find cos 2y
1. 1 answer
2. 356 views
If tan y = -4/3 and y is in Q I'VE find cos 2y
1. 1 answer
2. 409 views
a ship sail S 40 degrees W four 4 hours how do i figure out this question
1. 1 answer
2. 890 views
A ship sail S 40 degrees W for 4 hours at 30 kph. make a scale drawing
1. 1 answer
2. 360 views
how much work is being done a bookshelf being pulled 5 meters at an angle of 37 degrees from the horizontal? The magnitude of
1. 2 answers
2. 848 views
An airplane flies due north at 260 km/h with respect to the air. There is a wind blowing at 60 km/h to the northeast with
1. 0 answers
2. 587 views
An airplane flies due north at 260 km/h with respect to the air. There is a wind blowing at 60 km/h to the northeast with
1. 0 answers
2. 580 views
write the standard form of the equations:through (1,3) and (-4, -4) through (5,4) and parallel to y=4
1. 1 answer
2. 400 views
write the following in standard form:slope= 2/3 y- intercept= 3
1. 1 answer
2. 300 views
I have this last question left and I'm stuck!!!Explain how cell organelles are similar to a factory. Must be 1/2 a page.
1. 5 answers
2. 436 views
Grapes cost $2 per pound. How much does the given amount cost? 0.25 pounds.
1. 2 answers
2. 594 views
Factor the polynomial completely.6x^3 + 36x^2 - 240x
1. 1 answer
2. 1,117 views
The sun emits billions of watts of light,heat,and energy ever second. How much of this light,heat, and energy does the Earth
1. 1 answer
2. 454 views
FInd the area of the region bounded by the graphs of y= 3x^2+1 , y=0, x=-2.7, x=2.5
1. 1 answer
2. 1,034 views
1. Aerobic activities can be done for an extended period of time and supply oxygen to your muscles. Suchactivities help develop
1. 4 answers
2. 665 views
A plumber charges $40 per hour for labor with a minimum labor charge of $30. For example, if shedoes her repairs in only 0.2
1. 1 answer
2. 713 views
Does anyone know the answer to the math riddle "Did you hear about..." the answer is 12 words and it's pg 167.
1. 15 answers
2. 11,798 views
A reaction occurs where the concentration of reactant A changes from 0.74 moles/liter to 0.63 moles/liter in 20 seconds. what is
1. 1 answer
2. 500 views
15. What was a result of WWII on women’s rights in the US?A.Women were greatly oppressed and suffered setbacks B.Women lost
1. 2 answers
2. 635 views
solve this proof: PR is congruent to DE, PT is congruent to DF, Angle R is congruent to Angle E, Angle T is congruent to Angle
1. 3 answers
2. 1,041 views
A 2.8-L engine in a vehicle with air-conditioning uses 26.5-L of coolant. If the coolant has a density of 1.11 g/ml, what mass
1. 2 answers
2. 470 views
If the length of a rectangle is twice its width, w, write an expression to represent the perimeter of the rectangle. If the
1. 1 answer
2. 861 views
What is 3y^2-27? Explain please.
1. 1 answer
2. 294 views
1. Consider the function f(x) = x3 + 7x2 + 2x - 40 .a. Find the possible rational roots of f(x) = 0. b. Use synthetic division
1. 1 answer
2. 1,060 views
About how much does a button weigh?1 gram 100 grams 1 kilogram 10 kilograms Thanks!
1. 9 answers
2. 5,364 views
I need help predicting the products and naming them using classes and subclasses.a. Br2+BaI2 b. CdBr2+Na2S c. H2+Br2 d.
1. 1 answer
2. 432 views
If .002 L of .650 M NaOH are added to 1.0 L of 0.9 M CaCl2 what is the value of the reaction quotient and will a precipitate
1. 1 answer
2. 482 views
One other question that I cannot figure out what I'm doing wrong is this..If .002 L of .650 M NaOH are added to 1.0 L of 0.9 M
1. 2 answers
2. 436 views
How many grams of BaSO4 can dissolve in 1.5 L of a 0.010 M solution of Na2SO4?Ksp= 1.1 x 10^-10 I thought the answer was
1. 2 answers
2. 823 views
we are reading a book called the children of wilesden lane and i don't have the book so i don't know what "the last paragraph of
1. 2 answers
2. 572 views
What is the product of 3y2 and 4y5?
1. 2 answers
2. 1,756 views
Sam has a savings account that increased in value over a twelve month period from $8765.00 to $9006.06. He made no deposits or
1. 1 answer
2. 413 views
Why does the total energy (Ke+Pe) decrease with height?
1. 1 answer
2. 355 views
2000 liters = about how many gallons?
1. 3 answers
2. 414 views
how do i list fractions from least to greatest without the same denomonator?
1. 1 answer
2. 398 views
So I have to do a project on the Cultural Interaction in Religion. My religion is Sikhism. Here are the questions I'm supposed
1. 1 answer
2. 1,354 views
How do you write out the number 2.536?Thanks. Maddie
1. 1 answer
2. 350 views
How do you write 2.536 in words? I've never seen it before.Thanks! Maddie
1. 3 answers
2. 467 views
Pam and Tim decide to start saving money for their daughter's college education. They open a college savings plan with a 400
1. 2 answers
2. 624 views
An investor wants to know the amount she should pay for an oil well expected to yield an annual return of 30000 for the next 30
1. 2 answers
2. 554 views
Jake's car needs repairs but he is short of cash. A payday loan company charges a fee of 46 for a two week loan of 250. This is
1. 1 answer
2. 931 views
A set of Egyptian cotton sheets has a list price of 130.00 but is on sale for 84.50. By what percent is the list price reduced
1. 1 answer
2. 447 views
So i am working on factors, multiples, and divi
1. 1 answer
2. 366 views
For an assignment, I have to use this data sheet to do a few things with the data it gives me. To get to it, go to PRB. org,
1. 1 answer
2. 716 views
My teacher always asks me to comment on diction, style, tone, rhetoric....but i don't know how to do this, i mean i know what
1. 5 answers
2. 672 views
Interest on a $20000 one-year 10 percent note payable dated October 1 2007 was not recorded. The 10 percent interest is payable
1. 2 answers
2. 764 views
On January 1, 2006 two individuals invested 510000 each to form Steve Corporation. Steve had total revenues of 240000 during
1. 0 answers
2. 475 views
What conditions determine an open rear zone?What are the three stopping positions? When turning, where should your last check
1. 3 answers
2. 593 views
solve 3(4)^x for x=2.3Do I do the 3x4 part first, or do I raise 4 to the 2.3?
1. 2 answers
2. 433 views
Does anyone have the spectra for sulfur? In class we did this using a flame test, where we put the sulfur in a flame over a
1. 0 answers
2. 651 views
So I have to do a project on the 3 regions of Nigeria. I can't find any information on Eastern Nigeria. All I have to do is
1. 2 answers
2. 1,006 views
How do temperature and salinity vary in ocean basins?
1. 1 answer
2. 517 views
What were the undiscovered elements of Mendeleev's periodic table?
1. 4 answers
2. 801 views
What form of government does Ireland have? Is it stable? Do they have any allies?I've been surfing the web for a really long
1. 1 answer
2. 662 views
What are the immigration and emigration issues in Ireland and what are some population issues that Ireland is dealing with?
1. 1 answer
2. 540 views
Cite the three pieces of evidence that caused Rutherford to conclude that the atom had a tiny, positively charged center
1. 1 answer
2. 402 views
Could anybody simply explain how exactly Joseph Thomson discovered that atoms were not "indivisible" and that they were actually
1. 1 answer
2. 528 views
In science, my teacher gave out an assignment where we had to group the months of the year, kind of like the seasons. I have
1. 5 answers
2. 582 views
What is the meaning of the 16th Amendment?
1. 1 answer
2. 411 views

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