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Maria

Questions (939)

What is the rule for:Domain: 1, 3, 5, 7 Range: 1, 2, 3, 4 Thanks!
1. 1 answer
2. 600 views
what is the difference between an atom and an ion ???
1. 2 answers
2. 346 views
What are the sample median and the mode for males? The sample mean mark of the 50 male students is 8.30. If the sample mean for
1. 0 answers
2. 536 views
What are the sample median and the mode for males? The sample mean mark of the 50 male students is 8.30. If the sample mean for
1. 0 answers
2. 481 views
-'Gasoline engine' what are the waste products form this engine ? what element must gasoline be composed of ?-'fuel cell'what
1. 1 answer
2. 986 views
If it is assumed that a candle reacts with O2 ,in the air and the only products are energy , CO2 ,H20 ,what 2 elements must be
1. 1 answer
2. 425 views
Who were the first sea explorers?Why did they explore the oceans? What resulted from their exploration? What did their
1. 1 answer
2. 554 views
How did people first come to the Americas?
1. 3 answers
2. 349 views
how or where does the hat energy produced by the candle come from ?? help me!
1. 1 answer
2. 323 views
What are the new understanding of the population of the Americas before Eropian contact?
1. 3 answers
2. 319 views
What are three ways in which the Americas might have been populated?
1. 3 answers
2. 303 views
How did geography of North America help or hinder our nation's development?
1. 3 answers
2. 405 views
If m angle BGC =16x-4 and m angle CGD = 2x+13,Find the value of x so that angle BGD is a right angle.
1. 4 answers
2. 6,968 views
If m angle FGE =5x+10, Find the value of x so that line FC is perpendicular to Line AE. Line AE is a striaght line
1. 3 answers
2. 3,180 views
Line MN is perpendicular to line NP. Point R is in the interior of the angle MNP. If angle MNR = 5x+12 and angle PNR =6x+23.
1. 2 answers
2. 641 views
An angle is 15 less than four times its supplement. Find both angle measures.
1. 1 answer
2. 1,767 views
Two angles are complementary. One angle is ten less than three times the other angle. Find the measure of both angles.
1. 1 answer
2. 713 views
The m angle A is 30 more than twice angle B. If angle A and angle B form a linear pair, find the measure of both angles.
1. 1 answer
2. 714 views
Line AB is perpendicular to line BC. Point E is in the interior of angle ABC. If angle ABE = 2x+3 and angle EBC = 4x-9, find x.
1. 1 answer
2. 759 views
ann wrote a three digit number. the digit inthe hendreds place is 4 less than the digit in the ones place. the digit in the tens
1. 5 answers
2. 1,318 views
An electronic balance shows the number 2.705 grams ; which digits is/ are the uncertain digit and which are the significant
1. 1 answer
2. 405 views
does the number 340 have the same meaning as the number 340.0??
1. 1 answer
2. 359 views
How far to the nearest meter can a sprinter running at 9 m/s, travel in the time it takes a rock to fall 65 meters?
1. 1 answer
2. 499 views
2180 nanometer =?meter
1. 1 answer
2. 352 views
description of the procedure , step by step ,that was used to find the densities.... help me ...!!!
1. 0 answers
2. 341 views
Using the idea of atoms write a desciption of the difference between an element with a low density and an element with a hight
1. 0 answers
2. 386 views
how long does it take from Taipei, Taiwan to Miami,FL?? This is not a homework! i just wanna know it by myself cus my friend is
1. 3 answers
2. 448 views
The authors state that the heights of women in North America are normally distibuted with a mean of 65.0 and a standard
1. 1 answer
2. 408 views
7tan^2(pheta)-2=3
1. 1 answer
2. 347 views
1. What are some of the evidence that led Wegener to propose his theory, why it met with hostility and why the theory was
1. 1 answer
2. 1,193 views
What are the concentrations of Pb2+ and Cu2+ when the cell potential falls to 0.370 V?Given: A voltaic cell consists of a
1. 3 answers
2. 6,026 views
was the expectation of chinese rulers during the taiping rebellion unrealistic?
1. 2 answers
2. 447 views
can anyone please give me an example of a numbered key (classification) for these organisms about their structural features?squi
1. 1 answer
2. 387 views
A solid ball and a hollow ball, each with a mass of 2 kg and radius of 0.1 m, start from rest and roll down a ramp of length 3 m
1. 1 answer
2. 471 views
A 23-kg boy stands 3 m from the center of a frictionless playground merry-go-round, which has a moment of inertia of 180 kg m2.
1. 2 answers
2. 1,337 views
What is the prefix, root and suffix of the word "subscribe"?My Answer: prefix - sub root - scrib suffix - e Can the suffix be a
1. 3 answers
2. 1,957 views
Describe the geography of Southern South America and how this geography influences economic activity?My Answer: Southern South
1. 1 answer
2. 667 views
Taken as a whole, what would you say is the single most pressing problem found in Latin America or South America? What possible
1. 2 answers
2. 724 views
If point M is the center of a sphere with the coordinates (-1,3,2) and point T is a point on the surface of the sphere with the
1. 1 answer
2. 503 views
Lines y= 2x/3+3&y=5 cut the ring formed by circles (x-3)2+(y-5)2=64 and (x-3)2+(y-5)2=25 into four parts. Find the area of each
1. 1 answer
2. 454 views
Find both the circumference area of the circle whose equation is (x-2)2+(y-3)2=64.
1. 1 answer
2. 460 views
what is the most simplified version of this? (x^2/x^2+2x+1)/(3x/x^2-1)
1. 1 answer
2. 443 views
Find the arc length, of a 130 degree arc, in a circle with a diameter of 7.2 inches. Round your answer to the nearest thousandth
1. 1 answer
2. 512 views
A 60 degree arc, of circle A, has exactly the same lenght as a 45 degree arc, of circle B. Find the ratio of the radius of
1. 1 answer
2. 1,306 views
A circle is divided into three unequal sectors. One of the sectors has (x+40) degrees, the second sector has (2x+60) degrees,
1. 1 answer
2. 461 views
x^1/2 * y^1/6 *z^1/5. We are to use rational exponents to write an expression.The sqrt of x - the sqrt of y, over the sqrt of x
1. 1 answer
2. 866 views
Determine the volume of nitrogen gas at a pressure of 3.00 atm if it had a volume of 400.0 mL at STP.
1. 1 answer
2. 903 views
A gas is collected over water at 30.0 degrees celsius. It's pressure is 752.5 mm Hg. What is the pressure of the dry gas? Water
1. 1 answer
2. 590 views
A gas is collected over water at 30.0 degrees celsius. It's pressure is 752.5 mm Hg. What is the pressure of the dry gas? Water
1. 1 answer
2. 587 views
A pair of dice is rolled, and a number that appears uppermost on each die is observed, Refer to this experiment and find the
1. 1 answer
2. 3,088 views
Kate has a tennis lesson every 5 days. She has a basketball game every 8 days. If she has both a tennis lesson and a basketball
1. 4 answers
2. 547 views
A cylindrical water tank near Lisa's school is 18 meter high and has a circumference or 33 meter. The given formula can be used
1. 1 answer
2. 584 views
Find all solutions to the equation in the interval [0, 2pi)cos4x-cos2x=0 So,this is what i've done so far: cos4x-cos2x=0
1. 1 answer
2. 1,647 views
My little sister needs help on her homework and I don't remember really how to do this. I can't tell her if the answers or if
1. 1 answer
2. 731 views
I need help on writing a thesis statement for my informative essay for ENC 1101. I decided to write about adoption and I want to
1. 2 answers
2. 602 views
A small object with mass 4.05 kg moves counterclockwise with constant speed 1.70 rad/s in a circle of radius 3.15 m centered at
1. 1 answer
2. 1,669 views
Janet has a circular garden in her front yard with a diameter of 8 feet. How does the diameter d compare to the circumference C
1. 1 answer
2. 635 views
Area of trapezoid is 80 square units, height is 8 units. What is the lenght of median ?
1. 2 answers
2. 778 views
My teacher ask us to draw a picture that represents a command economy what can I draw??
1. 2 answers
2. 507 views
Tania is in charge of designing a school pennant for spirit week. She wants the base to be 3 1/2 feet and the height to be 6 1/2
1. 1 answer
2. 455 views
Going at an angular velocity of 5.2 rad/sec, how far in kilometers will a car have traveled in 10 minutes?Do I just convert
1. 1 answer
2. 412 views
A wheel 1 meter in diameter is rotating at 100 revolutions per minute without slipping along a level stretch of road and passes
1. 0 answers
2. 977 views
Oceans receive freshwater from precipitation and rivers. Yet ocean level do not change very much from these actions. Why are
1. 8 answers
2. 2,478 views
what are the strengths and what are the weaknesses of George and Lennie's relationship in John Steinbeck's "Of Mice and Men"?
1. 1 answer
2. 775 views
csc(theta)= 1/xsec(theta)= 1/ sqrt(1-x^2) cot(theta)= sqrt(1-x^2)/x What are these equations used for in real life matters or in
1. 1 answer
2. 438 views
-The "Baby Boomers" are in their retirement age. What affect might this have on the productive capacity of a country's labor
1. 0 answers
2. 461 views
compare the political system and the political philosophies of China to those ofEgypt and Mesopotamia?
1. 1 answer
2. 720 views
How to start my thesis statment according with C. Wright Mills about my autobiography and how relates research papers with this
1. 0 answers
2. 398 views
So I'm writing an analytical essay on The Odyssey, about Odysseus.And I have to pick traits about him and use multiple quotes to
1. 1 answer
2. 519 views
I'm trying to verify the identity: (sin^2 x)/(2)= (secx-1)/(2secx)
1. 1 answer
2. 1,260 views
The pH of a 0.002 50 mol/L solution of benzoic acid is 3.65. Calculate the Ka for benzoic acid.
1. 1 answer
2. 1,861 views
Find the constants a & b such that the function f(x)={2 if ≤ -1{ax+b if -1<x<3 {-2 if x ≥3 is continuous on the entire real
1. 1 answer
2. 548 views
what is the derivative of x^2(x^2-4)
1. 1 answer
2. 358 views
At t=0, ship A is 12 miles due north of ship B. Ship A travels 12 miles/hour due south, while ship B travels 8 miles/hour due
1. 0 answers
2. 705 views
At t=0, ship A is 12 miles due north of ship B. Ship A travels 12 miles/hour due south, while ship B travels 8 miles/hour due
1. 2 answers
2. 654 views
The heaviest invertebrate is the giant squid which can have a weight of 1.6 tons spread out over its lenght of 60 feet. What is
1. 1 answer
2. 670 views
Using Newton's Law of Universal Gravitation, compare the weight of a 68.1 kg astronaut on the surface of the earth to the
1. 0 answers
2. 755 views
Using Newton's Law of Universal Gravitation, compare the weight of a 68.1 kg astronaut on the surface of the earth to the
1. 0 answers
2. 764 views
Using the weight equation, weight = (mass)(strength of gravity field) or Fg = mg, calculate your mass in kilograms.Constants:
1. 1 answer
2. 673 views
Using Newton's Law of Universal Gravitation, compare the effect of the Sun and the Moon on the tides.Constants: Mass of the
1. 1 answer
2. 633 views
Using Newton's Law of Universal Gravitation, compare the gravitational pull of the Sun on the Earth to the gravitational pull of
1. 0 answers
2. 1,019 views
A 13-foot ladder is leaning against a vertical wall. If the bottom of the ladder is being pulled away at a rate of 2 feet per
1. 3 answers
2. 4,225 views
A 13-foot ladder is leaning against a vertical wall. If the bottom of the ladder is being pulled away at a rate of 2 feet per
1. 0 answers
2. 767 views
find the derivative of: (x^2+y^2)^2=x^2-y^2
1. 1 answer
2. 347 views
find the derivative of: (x^2+y^2)^2=x^2-y^2
1. 1 answer
2. 308 views
Dan had to complete the remaining 1/3 of his science project this week. On Monday, he completed 4/5 of the work he had left to
1. 1 answer
2. 528 views
Dan had to complete the remaining 1/3 of his science project this week. On Monday, he completed 4/5 of the work he had left to
1. 1 answer
2. 553 views
one angle of a triangle is 90 degrees. If the ratio of the legs i 1:1, what are the mesuares( in degrees) of the 2 remaining
1. 2 answers
2. 578 views
The pH of an arterial blood sample is 7.15. upon acidification of 10 ml of the plasma 5.91ml of CO2 is produced at standard
1. 1 answer
2. 1,478 views
If in an experimental reaction 32.5 mL were collected of hydrogen gas at 23.5 degrees celsius and 745.2 Torr what would be the
1. 1 answer
2. 832 views
A rectangular beam is cut from a cylindrical log of radius 25 cm. The strength of a beam of width w and height h is proportional
1. 2 answers
2. 13,179 views
Looking at formulas, which 2 shapes describe this relationship: the area of the 2 dimensional shape is one-fourth the surface
1. 2 answers
2. 1,747 views
4w-9(6-5w)=44;w=3decide whether the given value is a solution of the equation if not find the solution
1. 1 answer
2. 224 views
The distance between two docks on opposite sides of a river is 90 meters. The angle formed by the river bank and the line
1. 1 answer
2. 622 views
The distance across a lake is 34 meters. What is the distance, h, between the boat ramp and the dock? Round your answer to the
1. 1 answer
2. 496 views
What are the steps of the water cycle
1. 0 answers
2. 388 views
complete the following problem4+8+7/3*72
1. 1 answer
2. 384 views
How do you divide 836 by 22, using compatible numbers? Is there a quick way to figure out the compatibility?
1. 2 answers
2. 283 views
How do you divide 836 by 22, using compatible numbers? Is there a quick way to figure out the compatibility?
1. 1 answer
2. 264 views
Forty students participated in groups of 4-6. They were given a questionnaire to test their knowledge of the Black cultural
1. 0 answers
2. 533 views

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