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Questions and answers by visitors named
cool
Questions (510)
Who do lobbyists represent in their attempts to influence government?
interest groups military officers elected officials circuit
7 answers
99 views
(ln(100))/ln(10) =
I know the answer is 2 so can you explain why. Thank you :)
5 answers
3,629 views
What had weakened the Inca empire before the Spanish conquered it?
(1 point) • drought and famine • a volcanic eruption •
1 answer
34 views
Which of the following was a major resource exported from Spanish America?
1 answer
39 views
Question Tracy works for a pharmaceutical company. What is MOST likely the title of the research report she is presenting to her
1 answer
114 views
Which idea of the ancient Greeks did scientists during the 1500s and 1600s build upon and disprove?
1 answer
27 views
help me i hev a lab
You need to post a question with details about what yo don't understand.
1 answer
477 views
what is early people because i am a 6 grader
1 answer
292 views
how does living along the coast affect how some people earn a living?
1 answer
364 views
Could someone try to help me solve those 3 questions by giving me clues or equations?
With what speed (SI Units) must a ball be
2 answers
544 views
Planet A and planet B are in circular orbits around a distant star. Planet A is 8.0 times farther from the star than is planet B
3 answers
635 views
At the top of a pole vault, an athlete actually can do work pushing on the pole before releasing it. Suppose the pushing force
3 answers
1,007 views
What should be the spring constant of a spring designed to bring a 1300 car to rest from a speed of 95 so that the occupants
2 answers
541 views
U is jointly proportional to V and W. Let k be the constant proportionality. If U = 4 when V = 8 and W = 6, find the value of k
4 answers
1,578 views
Which of the following is true with regards to the Navigation Acts by the eighteenth century?
A. In general, the colonists
2 answers
576 views
what is 6 divided by 8.4
1 answer
425 views
how can you change 1/2 to a mixed number?
1 answer
352 views
What is the greatest common factor of 36, 20, and 8?
1 answer
442 views
What is a good way to end a history essay?
1 answer
400 views
Graph the polynomial f(x)=(x+6)(x+4)^2 (x+2)^3(x-3) (x-5)
a) Describe the interval notation the set of all x such that f(x)>0. b)
1 answer
399 views
1. Calculate the limit of f(x) = x/x as x tends to 0.
2. Calculate the limit of f(x) = (x^2-1)/(x-1) as x tends to 1.
1 answer
262 views
What is the average rate of change of the function f, given by f(x) = x2 + 1, on the interval [2,5]?
2 answers
481 views
You leave $5,000 in an account for 20 years. The account compounds interest yearly at a rate of 10%. To the nearest dollar, how
3 answers
439 views
Problem 1. You ingest a certain dangerous bacteria at dinner by accident. When more than 1,000,000 of these organisms are in
2 answers
526 views
1. Calculate the period of sin(3x), cos(3x), and tan(3x).
2. Calculate the period of sin(x), tan(x), sin2(x) and tan2(x). Please
1 answer
434 views
Which of the following best explains how relative atomic mass could be determined from the type of data available to Dalton?
A.
1 answer
599 views
How is it possible that the atomic number increases in order, yet the atomic masses do not?
A. There is no relationship between
2 answers
537 views
Using the electron configuration of nickel (Ni), identify its magnetic character.
a. ferromagnetic b. paramagnetic c. no magnetic
1 answer
426 views
The enthalpy of cimbustion for Octane vapor, C8H18, a component of gasoline, is -5512.0kJ/mol.
a. Write the equation for the
1 answer
1,022 views
Calculate the number of valence electrons in BF3.
2 answers
553 views
Let x and y be to positive numbers whose product is 500:
(a) Find the maximum sum of x and y (b) Find the minimum sum of x and y:
3 answers
2,780 views
Solve the following initial valued problems:
a) g′(x) = sin(x), g(π) = 2. b) g′′(x) = 18x, g′(0) = 1 and g(0) = 5. b)
1 answer
402 views
Find f if f''(x)=2+cos(x)
f(0)=5 f(pi/2)=−3
4 answers
1,916 views
Find the derivative of the function
g(x)=S(u^2-5)/(u^2+5)du g'(x)=? S=integration symbol b=3x a=2x
2 answers
580 views
Find the derivative of the function
y=S 10(t)^1/2 sin(t)dt y'=? S=integration symbol b=x^3 a=(x)^1/2
3 answers
326 views
Sketch the regions bounded by the following curves and find their area:
y=2x^2 y=-x^3+3x
1 answer
388 views
99+3 x 45=
1 answer
269 views
9 times 126
3 answers
356 views
2x10 to the power of 2
4 answers
1,338 views
1. The area of a rectangular garden in square feet is x^2-9x-400. What is the width and length of the garden?
*I factored this
4 answers
1,240 views
230 divided 15
4 answers
437 views
Discuss the increase and decrease of presidential powers. Define "Imperial Presidency" and give two examples of presidents who
4 answers
960 views
Define the terms factor and quantity. Then for the expression −3(4+x)(z−2−y), list all of the factors, and specify which
3 answers
616 views
Identify the figure of speech in:
Light has conquered darkness.
1 answer
417 views
it's b d a d trust me
1 answer
166 views
who was put on trial for contradicting the roman catholic church by arguing that earth moved around the sun?
A. Copernicus B.
1 answer
251 views
Each student in Ms. Clark’s class is decorating a shirt for a school program. There are 25 students in the class. Ms. Clark
5 answers
1,064 views
I am a common
Multiple of 3 and 7 My digits. Have a Total of 9.
1 answer
232 views
I am a common
Multiple of 3 and 7 My digits. Have a Total of 9.
3 answers
269 views
Do any of you have recommendations for helpful math resources for those who struggle with the subject?
2 answers
545 views
You are working in a chemistry lab. You have 1000 milliliters of pure acid. A dilution of acid is created by adding pure acid to
1 answer
318 views
Place the phases of a stem cell into the correct order.
A. mitosis, gene expression, differentiation B. gene expression,
7 answers
asked by
cool
5,639 views
I'm kind of stuck on this problem
which proportion has cross products of 5x24 and 8x15 I don't know how to solve it.
2 answers
398 views
in four games the basketball team scored 47 52 63 and 66 points what was the average number of points scored per game
3 answers
292 views
A collection of quarters and nickles is worth $3.40. There are 24 coins. How many of the coins are quarters?
1 answer
105 views
In a bag, there are 400 marbles. 60 are white, 120 are blue, and the remainder are red. If 20 red marbles are removed, what
3 answers
253 views
The number of girls in a class is 5 more than 3 times the number of boys in the class. There are 26 girls in the class. How many
1 answer
87 views
The Hernandez family is going on vacation. They will drive six hours each day. They expect to average 63 miles per hour. How
1 answer
116 views
Daniel has read ten more than twice as many pages as Kim. Kim has read a total of 98 pages. How many pages has Daniel read?
1 answer
89 views
Martha used a piece of rope that is 16 1/4 ft long to stake trees. She cut the rope into pieces that were each 3 1/4 ft long.
1 answer
71 views
The ratio of red blocks to green blocks in a set is 3:4. The set contains 56 green blocks. How many blocks are red?
2 answers
85 views
Erica handed out 115 flyers in 4 minutes. At this rate, how many flyers can she hand out in 1 hour?
1 answer
83 views
A car rental agency charges $45 per day plus $0.22 for each mile driven. A traveler paid a total of $184.94 to rent a car for 3
1 answer
94 views
What is the VALUE of the expression if x = 9 and b = -4
4x*2 - 3b*2
1 answer
72 views
A freight elevator has a weight limit of 5000 pounds. Carlos is loading 275-pound crates onto the elevator. What is the greatest
1 answer
115 views
Angelina has a bag containing 6 blue marbles, 8 green marbles, and 10 red marbles. If she reaches into the bag without looking,
1 answer
83 views
Wendy sold 6 more than 3 times as many magazines as Hector. Hector sold a total of 38 magazines. How many magazines did Wendy
1 answer
118 views
Keri is 10 years less than four times her daughter's age. If Keri is 38 years old, how old is her daughter?
4 answers
103 views
Larry drove 256 miles on 16 gallons of gas. How many miles per gallon did his car get?
2 answers
84 views
What is the probability of getting an ace or queen if you picked a card out of a standard deck of 52 cards?
2 answers
100 views
from the National Constitution Center:
The conflict centered on the independent Republic of Texas, which opted to join the United
1 answer
188 views
from PBS:
Polk started out by trying to buy the land. He sent an American diplomat, John Slidell, to Mexico City to offer $30
1 answer
111 views
Jamie is reading a novel that has 363 pages. She has already read 195 pages. If Jamie can read 28 per hour, how long until she
2 answers
77 views
A cab ride costs $5 for the first mile and $3.50 dollars for each additional mile. Amy's cab ride cost $19. How many miles was
2 answers
117 views
One microsecond equals 1 x 10 ^-6^ seconds. In standard notation, what is 200 microseconds in seconds?
2 answers
86 views
A repairman estimated that the cost of fixing a computer would be at most $225. The estimate included $35 for the part, a $40
2 answers
84 views
Solve for n:
2n-4m=8
1 answer
67 views
The sum of two numbers is 48. The difference of the two numbers is 4. Find the numbers.
4 answers
94 views
A 6-foot-long wire is attached to the top of a pole. The wire is anchored in the ground 4 feet from the base of the pole. How
2 answers
92 views
the Kansas-Nebraska act continued the ideas of which of the following??
A. Missouri Compromise B. Compromise of 1850 C. Free Soil
2 answers
330 views
Chan has scores of 76,78,79 and 67 on four math tests. What score does he need in order to have an 80% average?
2 answers
68 views
Mr. Rodriguez bought graph paper and rulers for his students. He bought 5 packs of graph paper and 30 rulers for $40. On another
2 answers
79 views
An arithmetic sequence is 3,5,7,9,... What is the slope of an equation that describes this sequence?
1 answer
75 views
Find the distance between (2,3) and (-1,8). Estimate your answer to the nearest tenth.
1 answer
64 views
What causes the air and currents to curve because the earth is rotating?
A. deep ocean currents b. surface ocean currents c.
1 answer
106 views
which zones in the map above are most likely to have a temperate climate (warmer summer and cold winters)?
A. 3 and 4 B. 1 and 6
3 answers
155 views
A baker is baking a giant cookie in the shape of an equilateral triangle. What is the area of the cookie if the base is 17
3 answers
102 views
Which of the following is true about megalithic stone structures? (1 point) Responses These structures were constructed ONLY in
3 answers
59 views
Stonehenge was constructed (1 point) Responses before the Paleolithic Period before the Paleolithic Period during the
3 answers
106 views
A _______ is a tall block of solid stone standing by itself. (1 point) Responses Moai Moai Megalith Megalith Monolith Monolith
3 answers
196 views
_______ are collections of l large monuments created from huge stone slabs. (1 point) Responses Monoliths Monoliths Megaliths
3 answers
89 views
_______ is a site of one of the largest groupings of megaliths in the world, located in the South Pacific. (1 point) Responses
3 answers
122 views
Moai are examples of _______. (1 point) Responses petroglyphs petroglyphs monoliths monoliths megaliths megaliths prehistoric
3 answers
150 views
Stonehenge is best defined as _________. (1 point) Responses entrance stones at Newgrange. entrance stones at Newgrange. stone
3 answers
88 views
Blood is taken to the lungs to become oxygenated and returned to the heart before being pumped through the body. Which blood
3 answers
70 views
Identify the migration pattern that involves a group of people from one location being scattered to a variety of places around
3 answers
127 views
What type of migration pattern occurs when workers temporarily move to another country for seasonal jobs, and then return
3 answers
87 views
Which stage in the demographic transition model has rapidly growing populations due to high birth rates and low death rates?(1
3 answers
96 views
Which of these organelles are present in plant cells but not animal cells? Select all that apply.(1 point)
cell wall cell wall
3 answers
85 views
A student observed cells of a familiar species under a microscope. Analyze the observations the student recorded in the chart
3 answers
269 views
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