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Erika

Questions (211)

The placement of metal and non-metal elements in the periodic table makes it possible to predict the formation of compounds.
1. 0 answers
2. 581 views
What is one way in which Noble Gases are different from other elements?a. Noble Gases have low boiling points b. Noble gases
1. 1 answer
2. 781 views
When people buy astronomical telescopes, they have an option to buy a set of eyepieces to go with it. If Fred bought a telescope
1. 1 answer
2. 471 views
If 2 blocks have the same mass which one has the greater acceleration?
1. 0 answers
2. 289 views
How do Plate tectonics affect the Atmosphere, Hydrosphere, Geosphere, and Biosphere? Thanks SO much in advance!:D
1. 1 answer
2. 728 views
The length of a rectangle in 18 inches. What is the perimeter of the rectangle if the length is 7 incheslonger than the width?
1. 3 answers
2. 368 views
Suppose that 2,000 scientists compute 90% confidenceintervals for parameters they are interested in. How many of these intervals
1. 0 answers
2. 881 views
The variables arr1 and arr2 have been declared as pointers to integers. An array of 10 elements has been allocated, its pointer
1. 1 answer
2. 1,664 views
Write a program that reads test scores up to 30 into an array. sentinel will stop when -1 is entered.Write functions that: 1.
1. 0 answers
2. 598 views
you pull a sled along a horizontal surface by applying a force of 620 N at an angle of 42.0 degrees aboce the horizontal. How
1. 1 answer
2. 789 views
Suppose that bicycles are produced by a perfectly competitive, constant cost industry. Which of the following will have a larger
1. 0 answers
2. 987 views
Two mountain bikers have been separated and are hoping to find each other. One biker reads on her GPS that she is located at
1. 0 answers
2. 622 views
No se nombrar este compuesto lo necesti urgente no lo encuentro en ningun lado es: 2RbBr(s) como se llama?
1. 3 answers
2. 157 views
Hi I need major help with these question, if you can help me thank you:1. Critical reading gives us a rational basis for
1. 2 answers
2. 442 views
I have a Final Exam in Math tomorrow, and as I was going over my notes, I saw a question like this:Simplify 6(3-4)-7(-2) How do
1. 1 answer
2. 639 views
How many moles of precipitate were recovered from BaCro4?
1. 2 answers
2. 393 views
Which form of conjugation would I use for the following? Like would I use the tu, vous, nous, il, elle, etc. form for which one?
1. 1 answer
2. 490 views
PRessure is measured in Pascals (Pa). What combination of units is the same as a Pascal?and When you exert a force on a fluid in
1. 0 answers
2. 618 views
Im just a little confused on how to answer this question.A ball bounced 64% of the height from which it was dropped. The bounce
1. 3 answers
2. 1,947 views
My question is:WRite the percent as a fraction and as a decimal. 0.06% I don't know how many places I need to move that decimal
1. 2 answers
2. 1,117 views
"Big Girls Don't Cry" Rebecca TraisterHow does Traister define feminism? Would Hillary Clinton count as a feminist according to
1. 0 answers
2. 415 views
Which radiation causes cancer? I think it is UV radiation, but I'm not sure.Also, A wave goes up and down 5 times in 10 seconds.
1. 1 answer
2. 453 views
Which radiation causes cancer? I think it is UV radiation, but I'm not sure.Also, A wave goes up and down 5 times in 10 seconds.
1. 0 answers
2. 457 views
and what is 4% and 0.4% as a decimal?
1. 1 answer
2. 329 views
what is 400% and 40% as a decimal???
1. 1 answer
2. 282 views
Name two other factors besides latitude that influence japans climate?and what major ocean currents affect japan
1. 4 answers
2. 883 views
Which of the following ions is paramagnetic in the ground state:Na+ Zn+2 Ti+2 Sr+2
1. 1 answer
2. 1,749 views
Sulfur burns in oxygen in two steps:i.S(s) + O2(g) ->SO2(g) change of Heat=-297kJ ii. 2SO2(g) + O2(g)->2SO3(g) change of
1. 1 answer
2. 894 views
2secx= 3cscx
1. 1 answer
2. 463 views
y= x-73x+6y=-6 I don't understand how to solve for the x-variable.
1. 1 answer
2. 437 views
what date did the spanish escape from tenochtitlan and then were defeated?
1. 1 answer
2. 416 views
what was the date that the Spanish conquered the aztecs???
1. 1 answer
2. 493 views
what was the clothing of the Aztec god, Quetzacoatl? like you know when every year or so the aztec would choose 1 person to
1. 1 answer
2. 575 views
what was the clothing of the Aztec god, Quetzacoatl?
1. 3 answers
2. 986 views
When Montezuma sent emmisaries with gifts to Cortes, how did they converse? they did not have Dona MArina (now known as La
1. 3 answers
2. 517 views
what is the lowest common multiple for 3, 5 and 6?
1. 3 answers
2. 600 views
light reflects off a mirror. light reflects off the white surface of a ceiling or wall. why can you see images in amirror but
1. 2 answers
2. 698 views
Light relects off a mirror. Light reflects off the white surface of a ceiling/wall. Why can you see images in a mirror but not
1. 1 answer
2. 1,087 views
A system contains liquid water. The water freezes. What is the sign of q for the system for this phase change?
1. 1 answer
2. 459 views
whyis frosted glass often used for bathroom windows instead of clear glass or solid wall?
1. 2 answers
2. 631 views
What does a sharp shadow tell us about the way light travels?
1. 0 answers
2. 593 views
How do you convert minutes to hours? i have to convert 10 min into hours. Is it 10/60?
1. 3 answers
2. 398 views
What goods were found in a typical aztec marketplace????
1. 0 answers
2. 444 views
what did the famous poet, carl sandburg believe????-what did he give?
1. 1 answer
2. 424 views
What might happen if you have a high blood pressure????
1. 1 answer
2. 422 views
why is high blood pressure called the "silent killer"?What might happen if you have a high blood pressure?
1. 2 answers
2. 600 views
why is high blood pressure called the "silent killer"?What might happen if you have a high blood pressure?
1. 2 answers
2. 398 views
Why are there so many villi and air sacs?
1. 1 answer
2. 1,026 views
what is the function of the alveoli in the lungs????
1. 1 answer
2. 667 views
A vending machine dispenses coffee into an eight-ounce cup. The amount of coffee dispensed into the cup is normally distributed
1. 2 answers
2. 687 views
Choose the equations which correctly describe the dissolution of a compound into water.a) CaBr2(s)-> Ca2+(aq) + Br2(l) b) sodium
1. 5 answers
2. 776 views
Use the Fundamental Theorem of Calculus to find the area of the region bounded by the x-axis and the graph of y = 4 x3 − 4 x.A
1. 0 answers
2. 1,011 views
Find the integral by substitution∫ [(16 x3)/(x4 + 5)] dx ∫[ 4 x/(√{x2 + 3})] dx ∫ 8 x2 e4 x3 +7 dx PLEASE help with all
1. 1 answer
2. 511 views
Suppose that the machinery in question costs $104000 and earns profit at a continuous rate of $69000 per year. Use an interest
1. 2 answers
2. 3,207 views
using the following information in place of that in the book. The machine earns the company revenue at a continuous rate of
1. 0 answers
2. 832 views
fter a foreign substance is introduced into the blood, the rate at which antibodies are made is modeled byf(t) = 27 t/8 t^2 + 3
1. 2 answers
2. 996 views
t 3 5 7 9 11 13V(t) 0 30 23 19 12 6 A. What is the largest number of subdivisions that can be used to estimate the definite
1. 0 answers
2. 388 views
Time (months) 0 1 2 3 4 5Rate pollutants are escaping 2 5 7 16 24 34 Use this data to sketch a graph Draw rectangles on this
1. 0 answers
2. 1,892 views
Year 1960 1970 1980 1990 2000Rate 39 59 64 89 106 of change (million people per year) Use this data to sketch a graph like that
1. 0 answers
2. 783 views
The following table gives the percentage, P, of households with a television set that also have a VCR. (Unlike the data in your
1. 1 answer
2. 1,986 views
for population in billions, where t is years since 1990:N(t) = 41/1+11 e^−0.1 t (b) According to this model, when will the
1. 0 answers
2. 977 views
N(t) = 650/1+649 e^−0.5 t(b) How many people will have heard the rumor after 4 hours? After 9 hours? (c) When will half the
1. 2 answers
2. 786 views
using the demand function p = 41 − 0.04 q instead of the one given in your book. Round your numeric answers to one decimal
1. 0 answers
2. 593 views
using the demand function p = 41 − 0.04 q instead of the one given in your book. Round your numeric answers to one decimal
1. 0 answers
2. 699 views
At a price of $7.5 per ticket, a musical theater group can fill every seat in their 1550 seat performance hall. For every
1. 1 answer
2. 1,283 views
the cost function C(q) = q3−57q2+1083q+1010 for 0 ≤ q ≤ 50 and a price per unit of $534.Round your answers to the nearest
1. 0 answers
2. 617 views
With x people on board, a South African airline makes a profit of (1104 − 3 x) rands per person for a specific flight.A. How
1. 1 answer
2. 5,531 views
Find the points at which y = f(x) = x8−13x has a global maximum and minimum on the interval 0 ≤ x ≤ 3.7. Round your
1. 3 answers
2. 814 views
Find the points at which y = f(x) = 5x−ln(5x) has a global maximum, a global minimum, and a local, non-global maximum on the
1. 1 answer
2. 827 views
Let f(x)=−2 x^3 − 3 x^2 − 2 x − 10. Find the interval where f is concave up. IAnswer: < x < Find the interval where f is
1. 1 answer
2. 364 views
find the values a and b must have to make the function f(x) = axebx have the following properties, rather than the ones the book
1. 0 answers
2. 629 views
find the parabola whose minimum is at (7,6) rather than the point given in the book.The parabola's equation is y = x2 + ax + b,
1. 2 answers
2. 862 views
Given the following reaction:4 KO2 + 2 H2O + 4 CO2 4 KHCO3 + 3 O2 How many moles of H2O are needed to react with 12.15 moles of
1. 1 answer
2. 987 views
Has anyone read the story The Sniper, the sniper ends up killing his own brother at the end. One question I don't get is that
1. 0 answers
2. 466 views
Find the equation of the tangent line to the graph of f(x) = −6x ln(x + 10) at x = 0.
1. 1 answer
2. 632 views
What is the maximum weight (in grams) that 15 party balloons, each filled with 2 L of helium, can lift at STP? You can assume
1. 0 answers
2. 453 views
Find the derivative ofy = 2√s7 + 13
1. 0 answers
2. 315 views
Find the derivative of f(x) = ln(48e3x − 11)
1. 0 answers
2. 339 views
Simplify:2xsquared minus 4xsquared
1. 3 answers
2. 999 views
What is the term that means "not able to be dissolved in a particular substance?"
1. 1 answer
2. 491 views
what is the mixture that is formed when one subtance dissolves in another called?
1. 1 answer
2. 456 views
Is rubbing alcohol a pure substance or a mixture?
1. 1 answer
2. 1,246 views
2x+5=-7?
1. 2 answers
2. 282 views
what is the first step of figuring out what-5=-8+5f?
1. 3 answers
2. 392 views
Bread, Inc., has an odd dividend policy. The company has just paid a dividend of $6 per share and has announced that it will
1. 1 answer
2. 1,199 views
According to Renaissance philosophy, commoners often represent?
1. 2 answers
2. 1,198 views
Given 20 mL NaOH; 0.1 M, add 0.05 M HCl, 10 mL at a time.What is the pH initially of NaOH? What is the pH after adding 10 mL
1. 2 answers
2. 715 views
Who created the leading coefficient test?
1. 0 answers
2. 372 views
"wherever in the universe life exists, some of those life forms must be colored" is this true? if so please explain
1. 0 answers
2. 482 views
What is definite form?
1. 0 answers
2. 343 views
A contract cannot involve both and implied warranty of merchantability and an implied warranty of fitness for a particular
1. 1 answer
2. 666 views
I need help with these problems:1) A vending machine takes only nickels and dimes. There are 5 times as many dimes as nickels in
1. 2 answers
2. 1,667 views
You are a physiologist on a space flight to a distant planet. You discover aliens inhabiting the planet and they are willing to
1. 1 answer
2. 832 views
You are a physiologist on a space flight to a distant planet. You discover aliens inhabiting the planet and they are willing to
1. 1 answer
2. 546 views
What are some advantages and disadvantages of an arms race?
1. 1 answer
2. 766 views
If the length (L) of the prism is 10 inches, and each rectangular face has a width (W) 2�ã3 of inches, determine the total
1. 1 answer
2. 1,568 views
The shape of H3C+ is best described as?
1. 3 answers
2. 1,497 views
What is the total number of nonbonding valence electrons in the "dipolar ion" form of glycine, +NH3CH2COO-?
1. 3 answers
2. 901 views
A sample of solid monoprotic acid with molar mass equal to 169.7 g/mol was titrated with 0.1599 M sodium hydroxide solution.
1. 1 answer
2. 556 views
Given the functiony = 2 - x - x^3 Use limits to find the slope (and then the equation) of the tangent line at x = 2
1. 1 answer
2. 392 views

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