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Questions (2,090)
Which of the following could help reduce loss of biodiversity?
A. increasing construction of tall buildings B. increasing farming
10 answers
2,047 views
which of the following pairs of terms could be used to describe a bullfrog that is active at night and enters a state of
6 answers
1,515 views
A student wishes to test the accuracy of the measuring jug she is using in an experiment. The label on the jug claims that it
0 answers
556 views
1. The expression sinπ is equal to 0, while the expression 1/cscπ is undefined. Why is sinø=1/cscø still an identity?
2.
1 answer
927 views
Trigonometry Questions
1. Using a compound angle formula, demonstrate that sin2π/3 is equivalent to sin π/3 2. The expression
1 answer
724 views
Trigonometry Questions
1. Using a compound angle formula, demonstrate that sin2π/3 is equivalent to sin π/3 2. The expression
1 answer
1,334 views
Trigonometry Questions
1. Solve the equation sin2x+1=-2sinx for 0≤x≤2π 2. Solve the equation 7sin2x-4sin2x/cosx=-1 where
3 answers
989 views
Trigonometry Questions
1.) Find the exaqct value of tan(11π/12) 2.) A linear trig equation involving cosx has a solution of
2 answers
658 views
Mrs. Smith had 1/2 of a pumpkin pie left over. She split the leftover pie evenly between her 3 children. What fraction of pie
4 answers
1,304 views
A monatomic ideal gas is thermally insulated, so no heat can flow between it and its surroundings. Is it possible for the
0 answers
732 views
consider an artifact that is prominently displayed by a friend or co-worker - either at home or in some other space. In 1-2
2 answers
579 views
how can you use the product of 12 x 6 to find the product of 12 x 12 ?
1 answer
318 views
which poetic device does this quote use
“Why no one on our side had even thought of firing a gun, because when you came right
2 answers
456 views
Water is flowing down through the pipe shown in the drawing. Point A is 0.410 m higher than B. The speed of the water at A and B
1 answer
1,658 views
What are some reasons why society, especially in the U.S., has been more and more accepting of the view of global warming?
1 answer
451 views
Assuming reaction goes to completion, determine the final concentration of NH4Cl in the calorimeter.
heat capacity =3.03J/g.c
0 answers
830 views
the girls high school basketball team played 12 games. they won 6 more games than they lost. find the number of games the
2 answers
767 views
Mrs. Orlof teaches two history classes, one in the morning and one in the afternoon. Yesterday she gave the same test to both
2 answers
2,443 views
Compared to the particles of a gas, the particles of a liquid
are not in constant motion collide with the sides of the container,
2 answers
1,196 views
MASS PUSHED BY A SPRING
A block of mass m=2 kg on a horizontal surface is connected to a spring connected to a wall (see figure).
0 answers
773 views
Which of the following may not qualify as a falsifiable claim? (Points : 1)
Your luck will improve. Your house will be sold
0 answers
461 views
Based on the calculations above, which of the following equations is the one represented by this experiment? Justify your answer
1 answer
507 views
A person jumps from the roof of a house 4.0-m high. When he strikes the ground below, he bends his knees so that his torso
0 answers
1,071 views
What keeps the very dense gas at the core of the Sun from becoming a solid?
2 answers
475 views
When a die is thrown,what is the probability that the number is greater than 1,given that it is odd?
1 answer
396 views
Determine the number and type of roots for each equation.
thanks inadvance can u please show mw step by step thanks 2X(X+2)=-2
1 answer
443 views
Determine the number and types of roots for each equation
X(X+3)=2
1 answer
331 views
Volume (mL) of 2.15 M potassium hydroxide that contains 8.09 g of solute
WebAssign will check your answer for the correct number
1 answer
447 views
can anyone tell me how you can find the angle of 6 different side of hexagon.
2 answers
347 views
Find x-component of vector d=(110m , 46 degrees below + x-axis).
Find y-component of vector d=(110m ,46 degrees below + x-axis).
1 answer
962 views
When alkali metals are heated with hydrogen they form what
1 answer
1,162 views
What were religious groups who came to the New World looking for?
a. Religious freedom for all religious groups. b. Equality for
1 answer
1,018 views
Why were the British more successful than the Spanish in colonizing North America?
Select one: a. They found more gold. b. They
5 answers
1,455 views
If aluminum foil has a density of 2.70 g/ml, then how thick would be a 2.22 g sample of foilif it measures 5.0 cm on each side.
P
1 answer
629 views
The half-life of a certain radioactive isotope is 32 hours.What fraction of the sample would remain after 16
4 answers
874 views
2/x - 4/x+2 - x/(x+2)^2
1 answer
247 views
how did nikola tesla change the world?
and why students do not know about him and his inventions?
0 answers
373 views
Give answer to 40+40x0+1
1 answer
458 views
A person takes a trip, driving with a constant speed of 90 km/h except for a rest
stop for 30min. If his average speed is 78
0 answers
597 views
Coasting due east on your bicycle at 8.0 m/s, you encounter a sandy patch of road 7.4 m across. When you leave the sandy patch
1 answer
2,085 views
R=�ã(3V/ƒÎH) solve for V.
0 answers
347 views
A battery of emf and negligible internal resistance is connected to two resistances R1 and R2 in series. What is the potential
2 answers
1,148 views
i am a six digit number less than 300,000. i have the same digit in my greatest and least place value. i am an even number. i
2 answers
471 views
i am a six digit number less than 300,000. i have the same digit in my greatest and least place value. i am an even number. i
2 answers
501 views
write the following as decimals
6/15 4 3/8 6 4/11 10 3/4
1 answer
319 views
is this a good thesis statement for a paper i have to write about changes in the us from 1776 to 1870? "while we are still not a
3 answers
774 views
i need a good thesis statement for a history paper i have to write. the topic is changes that took place in the U.S. from
9 answers
673 views
how do you solve this
1/(1+�ã2)+�ã3/�ã5
1 answer
316 views
An amusement park charges an admission fee of dollars per person. The cost, (in dollars), of admission for a group of people is
1 answer
901 views
How are colloidal dispersions different
from other types of dispersed systems?
1 answer
528 views
Add parentheses so that following equation is correct 7+9X3-1=25
7 answers
835 views
Explain the importance of solubility to
dissolution.
1 answer
453 views
Two long, straight, parallel wires 10 cm apart carry currents in opposite directions. (a) Use the right-hand source and force
1 answer
1,613 views
exam questions and answers
2 answers
369 views
An object with mass m is attached to a string and the other end of the string is attached to a peg at the center of a level
0 answers
691 views
Ethnicity refers to a.racial differnces b.diffrences in physical and mental characteristics c.cultural diffrences d.citizenship
3 answers
675 views
The drawing shows the top view of two doors. The doors are uniform and identical. Door A rotates about an axis through its left
1 answer
1,646 views
2x − 2y − 5z + 2x + 2y + 3z
2 answers
245 views
A home was valued at &73,500. It was insured for 80% of its value at a premium of &0.40 per $100. Find the yearly premium.
3 answers
979 views
A market research company surveyed 2500 teenage cell phone owners. The company learned that 4/5 of them use cell phone data
1 answer
975 views
express the surface of a right circular cylinder a function of its volume assuming the height is constant
1 answer
442 views
What is an example of how adults can develop knowledge to attain goals if running is a goal:
1 answer
411 views
The squares of a 2×60 chessboard are coloured black and white in the standard alternating pattern. At random, exactly half of
0 answers
1,080 views
You and a friend are going to ride on a Ferris wheel. For a little extra fun, when your friend is at the very top of the Ferris
0 answers
858 views
The angle of elevation from a point on the ground to the top of a tower is 37deg5'. The angle of elevation from a point 120 feet
3 answers
947 views
which sample (salt,fertilizer and sulfuric acid) will have the most algae growth? and why ?
which sample (salt,fertilizer and
0 answers
385 views
Find the median and the mean for the data set below.
5.4 2.0 6.8 3.1 2.9 4.7 2.1 5.0 1.9 3.4
2 answers
755 views
which sample (salt,fertilizer and sulfuric acid) will have the most algae growth? and why ?
which sample (salt,fertilizer and
0 answers
378 views
We have 15 points {Ai} placed within the unit sphere. What is the maximum possible value of
∑1≤i<j≤15 ∣∣AiAj∣∣^2?
1 answer
477 views
1.If the pressure of the gas in a 2.31 L balloon is 0.120 atm and the volume increases to 7.14 L, what will be the final
1 answer
794 views
A tennis ball with a speed of 12.5 m/s is
moving perpendicular to a wall. After striking the wall, the ball rebounds in the
3 answers
9,871 views
An automobile and train move together along
parallel paths at 20.3 m/s. The automobile then undergoes a uniform acceleration of
1 answer
1,469 views
a boy walks 2 miles east from his home ans then turns south and walks an additional 1.5 mile. how far is he from his home?
1 answer
623 views
a boy walks 2 miles east from his home ans then turns south and walks an additional 1.5 mile. how far is he from his home?
1 answer
1,006 views
the height of a soccer goal is 0.5 feet more than one third of its width. if the area of this goal is 117ft^2, find the width of
1 answer
972 views
What is 1250 divided by 23???
1 answer
382 views
what is 1250* 2987??
4 answers
797 views
A baker measured the length of different loaves of bread. The interquartile range of a data set was 12 inches. Which statement
1 answer
1,412 views
a balloon has a volume of 456 mL at a pressure of 1.0 atm. it is taken under water in a submarine to depth. where the air
2 answers
1,678 views
Name of physics book for 11 and 12.to catch engineering exam and other competetive exam
1 answer
591 views
A form of energy that is always transferred from a warmer substance to a cooler one.
1 answer
727 views
if the slope of a line is 8/4, do we simplify it to 2? or does it stay at 8/4?
1 answer
310 views
jane is standing next to a tree. the tree casts a shadow that is 11.2 ft long. she is 5.6 ft tall and her shadow measures 3.8
2 answers
496 views
a 9 ft ladder is leaning against a wall so that Adam can hang a picture 7.5 ft above the floor. how far does the ladder need to
3 answers
465 views
a 35.0ml sample of 37% hcl solution has a density of 1.18g/ml. the sample is diluted to a volume of 0.125L. what is the molarity
3 answers
495 views
a 35.0ml sample of 37 hcl solution has a density of 1.18g/ml. the sample is diluted to a volume of 0.125L. what is the molarity
3 answers
566 views
Two cars collide head on and stick together. The one moving East was going 20.00 m x sec-1 and had a mass of 1500.0 kg. The one
1 answer
677 views
A projectile was fired out of a lead ejector at an angle of 45 degrees up from horizontal. The projectile velocity was 1000.00
1 answer
742 views
A ball of mass 80kg falls from rest from a height of 100m.neglecting air resistance, calculate it K.E after falling a distance
1 answer
567 views
hi
new to economics, and struggling with some of its concepts. got this posed as a homework question, and i have to admit stumped
0 answers
1,004 views
out of ten questions two students got 8 wrong find out probability if they are cheating
1 answer
317 views
the frst term of AP is 4 and the last term is 79.given that the sum of the AP is 996, find the number of terms and the commmon
1 answer
1,530 views
suppose that there are 1.9*10^25 stars in the universe. how many moles of stars would this be?
1 answer
396 views
Assume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to make 4.00*10^2 mL of solution and then
0 answers
692 views
Calculate the H3O+ ion concentration and the pH at the equivalence point when 45.0 mL of 0.4000 M NH3 is mixed with 45.0 mL of
0 answers
472 views
Calculate the H3O+ ion concentration and the pH at the equivalence point when 45.0 mL of 0.4000 M NH3 is mixed with 45.0 mL of
0 answers
457 views
The design tolerance thickness for an automotive part is 55mm to 65mm. If the process mean thickness is 61mm with a standard
1 answer
410 views
If 1.38 g of steam at 100.0°C condenses into 38.6 g of water, initially at 27.6°C, in an insulated container, what is the
1 answer
653 views
A sample of 59 night-school students' ages is obtained in order to estimate the mean age of night-school students. x = 25 years.
2 answers
618 views
A rectangular garden is 20 m by 25m. It is surrounded by a sidewalk. The outside perimeter of the sidewalk is 114m. What is the
1 answer
1,255 views
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