Thursday
July 30, 2015

Posts by help please


Total # Posts: 243

math
thank you
July 11, 2015

math
one number is 8 less than another. If twice the larger number is equal to four times the smaller number.what is the smaller number?
July 11, 2015

compuer litercy
Street View is a feature available in Google Maps, Google Earth and Google Maps for mobile that allows users to explore the world through 360-degree street-level imagery. (from the google website for street view)
June 8, 2015

Geometry
Which equation has exactly one real solution? A 4x^2– 12x– 9 = 0 B 4x^2+ 12x+ 9 = 0 C 4x^2– 6x– 9 = 0 D 4x2+ 6x+ 9 = 0 Please teach me how to do this
June 8, 2015

Math
Express the given equation in rectangular coordinate equation and sketch the curve. r^2=1+sin(theta)
May 25, 2015

The giver
Or b?
May 22, 2015

The giver
Why does Jonas share a memory with Gabriel? A. He is trying to calm the baby and lull him back to sleep B. He is eager to transmit his experiences to a member of the community C. He does not think anything is wrong with sharing his memories D. He feels it is his duty to ...
May 22, 2015

Chemistry
When you drop an antacid tablet into water is it endothermic or exothermic? Please explain. Thank you.
May 20, 2015

LA the giver chapters 1-2
Which of the following is an example of a dwelling? Select all that apply. 1. a city 2. a house*** 3. a monument 4. a condominium*** Which of the following passages from the novel helps you realize that the community in which Jonas lives is not like typical communities you ...
May 13, 2015

Math
Prove that 1 * 3 * 5 * ... * 2345 + 2 *4 * 6* ... * 3456 is divisible by 6789.
April 29, 2015

Functions - Please Help
In 2001, Windsor, Ontario received its maximum amount of sunlight, 15.28 hrs, on June 21, and its least amount of sunlight, 9.08 hrs, on December 21. 1) Due to the earth's revolution about the sun, the hours of daylight function is periodic. Determine an equation that can ...
March 9, 2015

Physics
A(n) 0.491 kg football is thrown with a speed of 17.8 m/s. A stationary receiver catches the ball and brings it to rest in 0.0147 s. What is the magnitude of the impulse de- livered to the ball? Answer in units of kg · m/s
January 27, 2015

Math
Find the lateral area of the cone. Use 3.14 fo pi and round result to the nearest whole unit. radius: 15cm Side unit: 28cm Please help!! A) 1,319 cm squared B) 2,639 cm squared C) 707 cm squared D) 2,026 cm squared is the answer B?
January 13, 2015

Science quiz - Check answers?
6 is wrong the rest are right :) 6 is D I just took this test cx
January 7, 2015

English
Hi, i really need help with these questions i kept trying to think and think but i keep getting confuse. What must people know or understand about a place in order to belong there? How do they gain that knowledge or understanding? What types of experiences can tell people that...
December 30, 2014

english
this sentence has faulty parallelism and i need to correct it. "Jessa is tall, slender, and has brown hair." I think it's Jessa is tall, slender with brown hair. OR Jessa is tall and slender. She has a brown hair. What do you think? please help thank you!!
November 27, 2014

english
"How to make both ends meet." i think it's a sentence too?
November 27, 2014

english
"Why I refused." at first i think it's a fragment.. but i'm confused because it has a subject "I" and a verb "refused".. So what's the correct answer?
November 27, 2014

english
"Once you reach your destination." i think it's a fragment??
November 27, 2014

english
"Whatever is decided here." i think it's a sentence because it has a subject and a verb?
November 27, 2014

english
Down the road across the fields. i think this is a fragment?
November 27, 2014

english
can you please tell me if this is a sentence or fragment: The plan to have a class reunion. I think it's a sentence but idk because i can continue it by adding "is cancelled" in the end. How to know if it's already a sentence? of it's still a fragment? ...
November 27, 2014

MATH
The table below represents the volume of a liquid sample as a function of its temperature: Temp (C) Volume (ml) x f(x) 11 95 16 100 21 105 26 110 The average rate of change of f(x) between x=11 to x=21 is _____ ml per C ((degrees)) and represents the rate of change of volume ...
November 16, 2014

physics
The average car today has a mass of 1100 kg, and when accelerating from rest, covers 0.25 miles in 15 seconds. Each rim and tire together has a diameter of 46 cm and a mass of 9.1kg. If we agree the rim and tire have the shape of a solid disk that rotates through its ...
November 4, 2014

physics
The wheels, axle, and handles of a wheelbarrow weigh 60.0 N. The center of gravity of the wheelbarrow alone is 0.600 m from the axel. The distance from the axle to the hands of the operator is 1.3 m. The force applied by the operator to the end of the handles is 250 newtons. ...
November 3, 2014

another math equation
do i multiply 4, 5 , and 3? and 2?
October 11, 2014

another math equation
I don't know what to multiply
October 11, 2014

another math equation
PLEASE HELP!!!
October 11, 2014

another math equation
a b 2 - =- =-, find ab 4 5 3 i'm gonna need supporting onthis
October 11, 2014

math equation
PLEASE HELP! IT'S DUE IN A LITTLE WHILE!
October 11, 2014

math equation
a b - = - = 3, Find a + b 4 5
October 11, 2014

Conversion again (3 question finish-up)
Mr.Bob, Ms.Sue, can you change it to a common fraction though?
October 10, 2014

Conversion again (3 question finish-up)
Hello, Ms.Sue helped me with the last question, but I did not get it. I have 3 questions and I would like to solve it step by step to the answer. Can you help me? 1. ) .85 meters/minute = _____ kilometers/second 2.) 80 ft/s = ____ mile/hour 3.) 12 meters/hour = _____ ...
October 10, 2014

math
I'm sorry: It'S 4.25 + 4.58(3)
October 10, 2014

math
4.25 : .58(3) _______________ Try this
October 10, 2014

Conversion
I simplified the whole thing when I converted it to a fraction. I got 57/500 but it didn't work. .114 = 57/500 right? I didn't get it right though.
October 10, 2014

Conversion
10 ft/min ____ mi/hour
October 10, 2014

algebra
I was thinking the second one too, and yes I think i'll ask my teacher about it. Thanks for your help :) Can you help with this? Write two integers with different signs that have the sum of -25
October 6, 2014

algebra
i have no idea, that is what i was confused about.
October 6, 2014

algebra
evaluate the expression when a = 4 b = -5 and c = -8 -b + c =
October 6, 2014

ALGEBRA
The table below shows two equations: Equation 1 |3x - 1| + 7 = 2 Equation 2 |2x + 1| + 4 = 3 Which statement is true about the solution to the two equations? Equation 1 and equation 2 have no solutions. Equation 1 has no solution and equation 2 has solutions x = 0, 1. The ...
October 5, 2014

english
has anyone read of beetles and angels
October 5, 2014

ordering decimals from least to greatest
also -1.45... is a repeating decimal
September 26, 2014

ordering decimals from least to greatest
from the least value to the greatest value
September 26, 2014

ordering decimals from least to greatest
what is the order of these decimals from least to greatest? -1.4 -1.45 -1.45... -1.455
September 26, 2014

SCIENCE
If we decrease the distance an object moves we will decrease the amount of force applied. Decrease the amount of work done. increase the amount of force applied. increase the amount of work done.
September 23, 2014

Math
Brian gave 20% of his baseball cards to Scott and 15% to Adam. If he still had 520 cards, how many did he have originally?
July 30, 2014

Math terminal zeroes
Scratch that. Never mind.
July 25, 2014

Math terminal zeroes
If a number ends in zeroes, the zeroes are called terminal zeroes. For example, 520,000 has four terminal zeroes, but 502,000 has just 3. Let X equal the product of all natural numbers from 1 to 20. N = 1 * 2 * 3... *20. How many terminal zeroes will N have when it is written ...
July 25, 2014

Physics
A 69.5kg football player is gliding across very smooth ice at 2.15m/s . He throws a 0.470kg football straight forward. A) What is the player's speed afterward if the ball is thrown at 16.0m/s relative to the ground? B) What is the player's speed afterward if the ball ...
May 27, 2014

math
what would the graph of y=x^2+1 look like A. a straight line B. a parabola C. a dotted line D. none of the above
May 26, 2014

science
Which of the following is the most effective way to preserve biodiversity? (1 point) captive breeding habitat destruction habitat preservation habitat fragmentation
May 15, 2014

math
CD sales at corner music increased 145% last year. which number is equivalent to 145%? A. 14,500 B. 145 C. 1.45 D. O.O145 i think C but im not sure
May 14, 2014

english
if you read the giver can you please check my answers and see if they are correct? . What is the jonas apprehensive about at the beginning of the novel? A. a plane flying over the community B. a dream that he had recently C. the upcoming ceremony and his assingment I think C 2...
May 13, 2014

english
Jane Goodall, a primatologist, studies the social and family lives of chimpanzees.
May 13, 2014

LA
1. What is the jonas apprehensive about at the beginning of the novel? A. a plane flying over the community B. a dream that he had recently C. the upcoming ceremony and his assingment I think C 2. In Jonas's community, members are released from the community under which ...
May 13, 2014

LA
Can you check my answers?
May 13, 2014

LA
has anyone read the giver?
May 13, 2014

history
1 C and 2 D?
May 12, 2014

history
1. Which factor contributed most to the beginning of the women's rights movement in the United States during the mid-1800s? A. A dramatic increase in women's participation in the workforce *** B. A shift in social attitudes brought on by increased sectional tensions C...
May 12, 2014

science
the current atomic model would be revised if A. better microscopes were being used to study its structure. B.better microscopes are invented in the future. C. new information about an atom's structure is discovered. D. a new element is discovered in the future
May 8, 2014

math
simplify 10p4 A. 210 B. 360 C. 5,040 D. 151,200 simplify 9c4 A. 126 B. 15,120 C. 5 D. 3,024
May 7, 2014

math
a basket contains the following pieces of fruit: 3 apples, 2 oranges, 2 bananas, 2 pears, and 5 peaches. Jameson picks a fruit at random and does not replace it. Then Brittany pricks a fruit at random. What is the probability that Jameson gets a banana and Brittany gets a pear...
May 7, 2014

math
each of two urns contains green balls and red balls. urn I contains 8 green balls and 12 red balls. Urn II contains 5 green balls and 8 red balls. if a ball is drawn from each urn, what is P(red and red)? A. 79/65 B. 24/65 C. 20/33 D. 2/13
May 7, 2014

math
i meant red
May 7, 2014

math
a bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue marbles. you choose a marble, replace it, and choose again. what is P(read, then blue)? A. 77/164 B. 19/41 C. 90/1681 D. 45/41
May 7, 2014

math
Food Express is running a special promotion in which customers can win a free gallon of milk with their food purchase if there is a star on their receipt. So far, 129 of the first 138 customers have not received a star on their receipts. What is the experimental probability of...
May 7, 2014

math
thank you!!
May 7, 2014

math
a number cube is rolled 150 times. the number 3 comes up 43 times. hat is the experimental probability of rolling a 3? what is the theoretical probability of rolling a 3? A. 43/150 ; 1/6 B. 43/150 ; 1/50 C. 1/6 ; 43/150 D. 3/43 ; 1/6
May 7, 2014

chemistry
The generic metal A forms an insoluble salt ABsolid and a complex AC5aqueous. The equilibrium concentrations in a solution of AC5 were found to be A is 0.100 M, C is 0.0320 M, and AC5 is 0.100 M. Determine the formation constant Kf of AC5
May 7, 2014

chemistry
The solubility of AB(s) in a 1.000-M solution of C(aq) is found to be 0.121 M. What is the Ksp of AB?
May 7, 2014

Algebra 1 math
Deborah rolls two fair dice. What is the probability that the sum of the numbers rolled is 7?
April 29, 2014

urgent (physics)
A certain planet is located 3.54 x 10^11 m from its sun. If its orbital period is 4.9 x 10^7 s, find the mass of its sun.
April 24, 2014

math
Thank you so much
April 14, 2014

math
The sales goal for your store this week is $22,682. The sales goal for your store this week last year was $20,128. Your store has averaged 1775 transactions per week for the last four weeks. Assuming the number of transactions is consistent, what is the average basket size (...
April 14, 2014

Physics
A baby whale gets lost from his mother while swimming through a large underwater canyon. Frantically the baby whale yells for his mommy. 1.5 seconds later, the whale hears his yell's ECHO from the canyon wall. How far is it to the canyon wall? The speed of sound in water ...
April 3, 2014

I need help (Physics)
A 28 kg ball initially at rest rolls down a 159 m hill. When the ball reaches the bottom it is traveling at 31.3 m/s. How much energy is dissipated by friction on the ball?
March 14, 2014

Math
For what value of a, would the system have an infinite number of solutions? 2x-y=5 8x-47=2a A) 2 B) 4 C)5 D)10 E)20
March 14, 2014

geometry
THANK STEVE i HAVE THE ASNWER
March 1, 2014

geometry
IT DOESNT SAY STEVE
March 1, 2014

geometry
If A point K is the reflection of L (2,5) IN THE Y AXIS WHAT IS THE LENGTH OF KL
March 1, 2014

bus-math
Oakwood Plowing company purchased two new plows. In 170 days they must make a payment of $24,330.00 to pay for them. As of today they have $23,600 what rate of interest will be needed.
February 23, 2014

science help asap!!!
thank you do much!!
January 16, 2014

Physics
Three moles of an ideal monatomic gas are at a temperature of 396 K. Then 2438 J of heat is added to the gas, and 897 J of work is done on it. What is the final temperature of the gas?
November 20, 2013

Physics
A container holds 1.3 mol of gas. The total average kinetic energy of the gas molecules in the container is equal to the kinetic energy of a 6.6x10-3 kg bullet with a speed of 670 m/s. What is the Kelvin temperature of the gas?
November 20, 2013

biology
Imagine that you collected your data above, threw away the gel, and re-ran PCR again on the same samples, but using a different set of primers. How will the 2nd gel differ from the first since you're using a different set of primers?
October 28, 2013

MATH
(a) Transform the expression (x − a)^2 + y^2 = a^2 into polar coordinates. (b) Sketch the region R bounded by the curve given in part (a). (c) Use a double integral in polar coordinates to find the area of the region R.
October 26, 2013

physics
The drawing shows a 25.1-kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces, 1 and 2, are applied to the crate, and it begins to move. The coefficient of kinetic friction between the crate and the floor is μk = 0...
October 1, 2013

algebra
15. To travel a fixed distance, the number of gallons needed is inversely proportional to the miles per gallon rating P of the car that gets 42 miles per gallon (mpg) needs 33 gallons to travel the distance. a. Find an equation of variation N= b. A car that gets 77 mpg needs ...
September 27, 2013

algebra
((5w^2-16w+3)/(5w^2+24w-5))/((15w^2-8w+1)/(3w^2+14w-5))
September 27, 2013

physics
Two cars, A and B, are traveling in the same direction, although car A is 204 m behind car B. The speed of A is 22.9 m/s, and the speed of B is 18.6 m/s. How much time does it take for A to catch B?
September 22, 2013

Physics
A rifle that has been "sighted in" for a 94.6-meter target. If the muzzle speed of the bullet is v0 = 429 m/s, what are the two possible angles è1 and è2 between the rifle barrel and the horizontal such that the bullet will hit the target? One of these ...
September 22, 2013

maths
thank you
September 15, 2013

maths
A truck rolls down a hill subject to acceleration due to gravity and resistance (including air resistance, rolling friction, etc) and the distance si (metres) travelled after ti seconds is observed. Classical mechanics predicts that the distance travelled by the truck should ...
September 15, 2013

math
For every prime p consider all polynomials f(x) with integer coefficients from 1 to p and degree at most p−1, such that for all integers x the number f(2x)−f(x) is divisible by p. Find the sum of all primes p<1000 such that the number of such polynomials is ...
June 23, 2013

MATH hard problem...HELLPPPPPP
Let S={1,2,3,…11} and T1,T2…,TN be distinct subsets of S such that |Ti∩Tj|≤2 for all values i≠j. What is the maximum possible value of N? clue: The empty set is a subset of every set. Thanks
May 21, 2013

MATH Help please.....
Let S={1,2,3,…11} and T1,T2…,TN be distinct subsets of S such that |Ti∩Tj|≤2 for all values i≠j. What is the maximum possible value of N? (The empty set is a subset of every set.)
May 21, 2013

Physics
i input your formula and false
May 21, 2013

Physics..Elena or anybody please help
0.881
May 20, 2013

Physics..Elena or anybody please help
I(mass=80 kg) sit down in the center of a trampoline and the surface sinks down by a distance of 10 cm when I reach equilibrium. How far above the ground in m must the trampoline be placed so that if I jump onto the trampoline from a height of 3 m above the surface of the ...
May 20, 2013

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