JT
Popular questions and responses by JT
Physics
A 50kg soccer player jumps vertically upwards and heads the 0.45kg ball as it is descending vertically with a speed of 30 m/s. (a) If the player was moving upward with a speed of 4.0 m/s just before impact, what will be the speed of the ball immediately
asked on March 1, 2018 
Statistics
The melting point of gold is known to be approximately 1,060 degrees centigrade. This is, of course, an average figure, for unavoidable ‘experimental error’ causes more or less variation from this figure whenever the test is actually performed. The
asked on April 16, 2015 
Geometry
A bookshelf contains 9 mysteries, 7 biographies, and 4 science fiction books. A book is randomly selected, not replaced, then another is selected. Find the probability of selecting a biography then a mystery.
asked on March 19, 2020 
ELA and Please Hurry!!!!
Not only is the race special because it takes place on a special day, but it also has a rich, over threedecade tradition. While the Boston Marathon can declare it is the oldest road race in America, few 10K’s can claim they’ve been around longer than
asked on February 13, 2017 
math
you have a bond original value was $100 paying 8.5% interest compounded annually and was 100 years old. what amount is that now owed on this bond to you.
asked on November 18, 2017 
Math
you have exactly $50.00 to spend on taxable groceries. they charge 4.3% sales tax on food. What is the most you can spend on food, pretax?
asked on October 11, 2017 
ELA AND HELP!!!!!!
Which word should be capitalized in the sentence below? Will your wife be joining us on the tour of the district courthouse, judge? A) judge B) wife C) district D) courthouse I think the answer is d.
asked on February 24, 2017 
APYmath
find the annual percentage yield (to the nearest 0.01%). a bank offers an APR of 3.1% compounded daily.
asked on November 15, 2017 
math
the halflife of a certain drug in the bloodstream is 4 hours. what fraction of the original drug dose remains in 24 hours?
asked on October 17, 2017 
Science and Hurry!
The Gulf Stream current shown here makes the waters of the North Atlantic A) warmer. B) cooler. C) more dense. D) less nutrient rich.
asked on February 16, 2017 
Physics
1.) jet plane traveling 1800 km/h (500 m/s) pulls out of a dive by moving in an arc of radius 6.00 km. What is the plane's acceleration in g's? 6.) A child on a merry goround is moving with a speed of 1.35 m/s when 1.20 m from the center of the
asked on March 2, 2016 
calculus
The graph of a function f is shown. Use the differential equation and the given point to find an equation of the function. dy/dx=4x+(9x^2/(3x^3+1)^(3/2)) and the point (0,2) using the substitution method of integration.
asked on December 14, 2014 
physics
While taking a rest on a tree branch, a daring cowboy sees a wild horse running towards the tree he was on. he wants to land on the horses back when it passes under the tree. if the horse is running at a constant velocity of about 2 m/s and the vertical
asked on September 22, 2013 
Physics Please Answer
1. to make a secure fit, rivets that are larger than the rivet hole are often used and the rivet is cooled (usually in dry ice) before it is placed in the hole. a steel rivet 1.871 cm in diameter is to be placed in a hole 1.869 cm in diameter at 20 degree
asked on September 21, 2010 
math
the current population of a threatened animal species is 1 million, but it is declining with a halflife of 20 years. how many animals will be left in 60 years?
asked on October 17, 2017 
Math
if salary increased by 10% last year and then 8% this year. and original salary was $50,000 per year. what is present salary since he has received the two raises? find the relative change between his original salary and his present salary. overall his
asked on October 15, 2017 
Math! Help Hurry!
Tasha has foam blocks stored in a box that measures 3 1/4 ft long by 3 ft wide by 1 ft tall. Each foam block is a cube with 1/4 ft edge length. How many blocks can fit into the box? A)156 B)312 C) 624 D) 2496
asked on March 15, 2017 
Math and Please Help!
According to the distributive property, 6 (5 + 3) = A) 6 (5 + 3) B) 6 (3 + 5) C) 6 × 5 + 3 D) 6 × 5 + 6 × 3 I think it might be b.
asked on February 15, 2017 
physics
If the back of the truck is 1.5 {\rm m} above the ground and the ramp is inclined at 24{\rm ^{\circ}}, how much time do the workers have to get to the piano before it reaches the bottom of the ramp?
asked on June 23, 2011 
MicroEconomic
Strictly speaking, perfect competition has never existed and probably never will. Then why study it?
asked on April 6, 2011 
PHYSICSSS!
A brass lid screws tightly onto a glass jar at 20 oC. To help open the jar, it can be placed into a bath of hot water. After this treatment, the temperature of the lid and the jar are both 60 oC. The inside diameter of the lid is 8.0 cm at 20 oC. Find the
asked on September 21, 2010 
English
Choose the sentence below that has no errors in pronoun case. a) Sharon and him dtive to Las Vegas at least once a year. b)For Nancy and he, the movie was a boring waste of time. c)Our neighbor made a casserole for Chad and me. d)Nick said that he would
asked on July 20, 2010 
algebra
8a^2 + 40ab+ 50b^2 = 2(4a^2 +20ab +25b^2) = 2(2a + 5b)^2 How is this a perfect square?
asked on July 13, 2010 
Algebra
Factor polynomial completely ax  2a  5x +10
asked on July 13, 2010 
economics
From a health standpoint, the major problem with the feeforservice system of health care is that: doctors' fees are too high. doctors are not interested in their patients. doctors waste too much time trying to collect their fees. people are required to
asked on December 14, 2018 
College mathplease help
find the absolute change between the closing for the Dow Jones ind. average between Jan. 27  20,093.78 and Nov. 21 of 23,590.83 round to the hundredths of a point. and round to the nearest 0.01%. thank you.
asked on November 30, 2017 
math
If Dow Jones closes at 20,093.78 in Jan. and in Nov. if closes at 23,590.83, what is the absolute change between the closing figures and what is the relative change between the closing figures?
asked on November 30, 2017 
Math
after 30 seconds, there are 14 gallons of water left in the tub. One minute after you pull the plug, there are 9 gallons left. assume that the numbers of gallons varies linearly with the time since the plug was pulled. what are the two ordered pairs and
asked on November 30, 2017 
graphing
a union charges each employee a onetime $100 initiation fee plus $25.00 union dues eachh month. my equation for the function is y=$25 x + 100. how do i graph the function for the domain of 0 months to 12 months. please help
asked on November 8, 2017 
math
a union charges each employee a one time $100 initiation fee plus $25 union dues each month. my equation for the function is y=$25 x + $100. how do I graph this over a 12 months.
asked on November 8, 2017 
math
the cost of a banquet is $95.00 plus $15.00 for each person attending. write an equation that gives total cost as a function of the number of people attending. what is the cost for 77 people?
asked on November 8, 2017 
Math
the population of a city of 750,000 people is devastated by an unknown virus that kills 20% of the population per day. how many people are left after a week? write the exponential equation to the situation.
asked on November 7, 2017 
Math
the population of a city of 750,000 us devastated by an unknown virus that kills 20% of the population per day. The use the equation to find: how many people are left after a week. write the exponential equation to solve and use what each variable
asked on November 7, 2017 
math
in 2001 it was estimated that 189 kg of plutonuim still remained. the half life of this plutonuim is 24,000 years. how much will be present in 24,000 years from 2001? please help
asked on October 17, 2017 
Math
Draw a circle with 5cm radius. Inscribe a triangle with side ratio 5:6:7 in it.
asked on June 12, 2017 
Math! Help Hurry!
A chest shaped as a rectangular prism can hold 576 wooden cube blocks with edge lengths of 1/4 ft. What is the volume of the chest?
asked on March 15, 2017 
Math! Help Hurry!
A prism is completely filled with 96 cubes that have edge length of 1/2 cm. What is the volume of the prism?
asked on March 15, 2017 
Math! Help Hurry!
A rectangular prism has a length of 8 in., a width of 4 in., and a height of 2 1/4 in. The prism is filled with cubes that have edge lengths of 1/4 in. How many cubes are needed to fill the rectangular prism?
asked on March 15, 2017 
Math and Hurry Please!
A prism is completely filled with 2304 cubes that have edge length of 1/4 cm What is the volume of the prism?
asked on March 15, 2017 
Math! Help Hurry!
Two vertices of a right triangle have the coordinates (−2, 5) and (9, 5) . What is the length of the side formed by these vertices?
asked on March 3, 2017 
Science
Which of these is found inside the solar system? A) Moon B) Nebula C) Galaxy D) Black hole
asked on February 24, 2017 
Science and Hurry!
How do ocean currents influence the climate of a place? A) They transport heat over large distances, affecting the wind that blows over the land. B) They bring cold water from the poles, reducing the temperatures along the coasts. C) They draw out moisture
asked on February 16, 2017 
Science and Hurry!
What causes land breeze and sea breeze? A) The differential heating of land and sea by the Sun results in the movement of air. B) Hot air from the sea blows over the land because there is a high pressure area over the sea. C) Cold air blows from the land
asked on February 16, 2017 
Math and Please Help!
Jade is painting a rectangular wall. The wall is 4 1/4 yd long and 2 2/3 yd high. The formula for the area of a rectangle is A=bh. What is the area of the wall? I think the answer is 11 and one thirds.
asked on February 13, 2017 
Science!
What changes would a cold front bring to a warm, dry area? A)extended period of rain B)several gray skies C)dry and asunny skies D)rain or thunderstorms I think it is either a or d but I am leaning more to a, so please help!
asked on February 13, 2017 
Principles of economics
Differentiate between Public and Private goods. Make sure you state their characteristics and substantiate your answer with examples in each case.
asked on June 20, 2016 
Maths
If events A and B are such that they are independent and p (a) = 0.3 and p(b) = 0.5 Find p (a n b) and p (a u b)
asked on February 13, 2016 
math
Joan is 'y' years old. Her father is 4 times as old as she is and 28 years older than her brother. AFind in terms of y, the age of Joan's brother. B If 'y' =12, how old is her brother?
asked on November 20, 2014 
math
what other shapes can form with 24 metres
asked on May 27, 2014 
math
How many rectangles can you make with 24 metres
asked on May 27, 2014 
physics
a contestant projects a coin with a speed of 7 m/s at an angleof 60 degrees to the horizontal. When the coin leaves his hand, the horizontal distance between the coin and the dish is 2.8m. The coin lands in the dish. calculate the horizontal component of
asked on September 2, 2013 
math pre calc
solve for X marticies 2 0 5 4 1 3 =2 6 x 7
asked on April 25, 2013 
math pre calc
gaussian elimination x+Y+Z=2 Xy+5z+22 5x+y+z=22
asked on April 25, 2013 
math pre calc
at the pittsburch zoo, children ride a train for 25 cents, adults pay $1 and seniors pay .75. on a given day, 1400 passengers paid a total of $740 for the rides. there were 250 more children riders than adults and senior riders combined.find the nu,ber of
asked on April 25, 2013 
Advanced Alegebra
How do I solve the following problems? My homework was to correct a puiz that I failed, but I do not know how to solve these problems..please help! Solving systems of equations using elimination: 7.) 10x  10y = 0 5x  4y = 8 Answer (8,8) I got the right
asked on September 20, 2012 
statisitcs
suppose you got 75 items corrct on a 100item, six alternative, multiplechoice exam what would your score be after we corrected for guessing?
asked on September 16, 2012 
algebra 2
how can you tell when y is a function of x on a graph
asked on May 17, 2012 
algebra 2
If f(x) = int(x), find the given functional value. 1. f(9.1)
asked on May 17, 2012 
Physics
Two objects are connected by a light string that passes over a frictionless pulley, and two objects are on either side of the string. There is a hanging object off the vertical side of the incline weighing 10.0 kg. The 3.50 kg object lies on a smooth
asked on October 19, 2011 
algebra
how would I simplify 1089b^7t^5/891t^2b?
asked on August 22, 2011 
psy
Explain the biological, emotional, cognitive, and behavioral components of postpartum depression
asked on July 4, 2011 
Physics
A car moves from a point located 26.0 m from the origin and at an angle of 35.0° from the xaxis to a point located 56.0 m from the origin and at an angle of 60.0° from the xaxis in 2.50 s. What is the magnitude of the average velocity of the car?
asked on December 13, 2010 
3rd grade
There are 32 more apples than oranges at a fruit stand. How many apples and oranges could there be?
asked on November 10, 2010 
PHYSICS
1. to make a secure fit, rivets that are larger than the rivet hole are often used and the rivet is cooled (usually in dry ice) before it is placed in the hole. a steel rivet 1.871 cm in diameter is to be placed in a hole 1.869 cm in diameter at 20 degree
asked on September 21, 2010 
STATISTICS
Can a ANOVA be compared to a blood test?
asked on August 28, 2010 
English
Which passage is correctly punctuated? a)In the middle if the night. My cat leaped onto mt stomach. b)In the middle if the night, my cat leaped onto mt stomach. c)In the middle if the night; my cat leaped onto mt stomach. d) My cat leaped onto mt stomach.
asked on July 20, 2010 
English
Which of the following word groups is punctuated correctly? a)It rained every day of our vacation nevertheless, we had a wonderful time. b)It rained every day of our vacation, nevertheless, we had a wonderful time. c)It rained every day of our vacation,
asked on July 20, 2010 
Algebra
Why are these algebraic expressions used and explain the logical error: Since a = b, then a2 = a * b Subtract b2 from both sides a2 – b2 = a * b – b2 Factor both sides: ( a + b )( a – b ) = b(a – b ) Divide both sides by ( a – b) ( a + b ) = b
asked on July 19, 2010 
Algebra
explain the logical error Square both sides to get a2 = b2
asked on July 19, 2010 
Algebra
Find logical error a2 = b * b
asked on July 19, 2010 
Algebra
Are these complete? m^2 + 4mn +4n^2 = (m + 2n)(m+2n) 3x^3y^2 – 3x^2y^2 + 3xy^2 = 3xy(x^2y – xy + y) Thank you
asked on July 13, 2010 
Algebra
3m^3 + 27m = 3m(m^2 + 9) = 3m(m + 3)(m – 3) I miss something? is this complete?
asked on July 13, 2010 
Algebra
Factor polynomial completely 8a^2 + 40ab+ 50b^2 =
asked on July 13, 2010 
Algebra
Factor polynomial completely 8a^2 + 40ab+ 50b^2 =
asked on July 13, 2010 
Algebra
3m^3 + 27m = 3m(m^2 + 9) = 3m(m + 3)(m – 3)
asked on July 13, 2010 
Algebra
3m^3 + 27m = 3m(m^2 + 9) = 3m(m + 3)(m – 3) its is not done? is this a cubeproblem?
asked on July 13, 2010 
Algebra
8a^2 + 40ab+ 50b^2 =
asked on July 13, 2010 
algebra
a^2 + 2a 24
asked on July 13, 2010 
Algebra
Solve equation 2x^2 + 5x –12 = 0
asked on July 13, 2010 
algebra
w^3 + 5w^2  w = 5
asked on July 13, 2010 
algebra
Solve the equation (x3)^2+(x+2)^2=17
asked on July 11, 2010 
algebra
Solve the equation (x3)^2+(x+2)^=17
asked on July 11, 2010 
algebra
2x^2+5x12=0
asked on July 11, 2010 
Algebra
The perimeter of this rectangular portion needs to be 14 yards and the diagonal is 5 yards. Can you help Mike determine the length and width of this new portion? Mike requested that you show him how you arrive at the answers.
asked on July 11, 2010 
Algerbra
JT has $16000 saved. In 2years time his investment grew to $250 00. Can you find the annual interest rate of his return by solving the following equation for him: 16000(1 + x)2 = 25000
asked on July 11, 2010 
math
a road crew has 3/4 ton of stone to divide evenly among four sidewalks. How much stone does the crew use for each sidewalk?
asked on February 2, 2010 
7th grade
I have to write two paragraphs discussing the problem of winning support from other nations for the Patriot cause during the Revolutionary War. I don't know what the problem was. The French Spanish & Germans were eager to fight against the Engilish.
asked on November 25, 2009 
Math
Students at ACC must earn 90 credits to obtain an Associate’s degree. Three students find that they all have a GPA of 3.3 even though they do not have the same number of credits. The students hope to increase their GPAs to a 3.8 by the time they have
asked on June 1, 2009 
algebra
Can you help me to find the product of 4x^2 and x^3 + 2x^2  5x + 3... and the solution to the equation of x^2 + 30x = 1000...I came up with 20 and 50 but I think it is wrong also can you help me to do the factorization of 6x^2  2x 20....Thank You
asked on May 26, 2009 
8th grade
can u help me to find the product of 4x^2 and x^3 + 2x^2  5x + 3 and the solution to the equation of x^2 + 30x = 1000...I came up with 20 and 50 but i don't think it is right..can u help also can you help me to do the factorization of 6x^2  2x 
asked on May 26, 2009 
Science
How does the use of antibiotics result in the evolution of resistant stains of bacteria.
asked on February 4, 2009 
statistics...Please help
A sample of 12 measurements has a mean of 24 and a standard deviation of 4.5. Suppose that the sample is enlarged to 14 measurements, by including two additional measurements having a common value of 24 each. Find the standard deviation of the sample of 14
asked on January 24, 2009

Geometry
63/320?
posted on March 19, 2020 
Geometry
Oh i forgot to put what I think. Is it 7/20 because it's 20 total books and only 7 of them are biographies?
posted on March 19, 2020 
com 220
The answer is A
posted on October 28, 2019 
Art
MEH I GOT 0%!!!!!!!!!
posted on February 7, 2019 
English
This is an easy question. Google it
posted on December 17, 2018 
art
D B C
posted on April 2, 2018 
Science
Who needs all of the answers I have them no LYE
posted on March 28, 2018 
Science
Do y'all sill need the answers ??? Because I have them
posted on March 28, 2018