Thursday
October 2, 2014

Posts by jACK


Total # Posts: 1,329

physics
A student standing on the ground throws a ball straight up. The ball leaves the student's hand with a speed of 19.0m/s when the hand is 1.50m above the ground. How long is the ball in the air before it hits the ground? (The student moves her hand out of the way.)
September 26, 2014

Algebra 1
A student reads an average of 34 pages per day. The number of pages she reads per day varies from the average by up to 8 pages. a. Write an absolute value inequality that represents the range of the number of pages she reads per day. b. Solve your inequality
September 25, 2014

Algebra
In a sports poll, 53% of those surveyed believe their high school football team will win the state championship. The poll shows a margin of error of +-5 percentage points. Write and solve an absolute value inequality to find the least and the greatest percent of people that ...
September 25, 2014

Algebra 1
EXCELLENT. Thanks much.
September 25, 2014

Algebra 1
In order to earn an A in a class, your test scores must average at least 92%. On the first 6 tests, you have an average of 91%. What score do you need to get on the last test to earn an A? Show your work.
September 25, 2014

Algebra 1
Sorry but how do you know to include 80 and 90. Just cannot understand that part. Thanks much.
September 25, 2014

Algebra 1
Can you PLEASE elaborate ?
September 25, 2014

Algebra 1
I think you are saying option c. But real answer is d. Not sure why.
September 25, 2014

Algebra 1
A teacher knows that 80% of her students will score no more than 5 points above or below the class average, 85%, on the test. Which inequality represents the test scores of 80% of her students? a. 75<A<85 b. 85<=A<=90 c. 80<A<90 d. 80<=A<=90
September 25, 2014

Math
How many tenths are there in 4/5?
September 21, 2014

Finanal
using the maximum ratios for a conventional mortgage, how big a monthly payment could the Burton family afford if their gross (before-tax) monthly income amounted to $3500? Would it make any difference if they were already making monthly installment loan payments totaling $750...
September 18, 2014

physics
A river flows with a uniform velocity v. A person in a motorboat travels 1.11km upstream, at which time she passes a log floating by. Always with the same throttle setting, the boater continues to travel upstream for another 58.8min and then returns downstream to her starting ...
September 14, 2014

math
flossie has $62.05. In quarters, she has 3 more than twice the number of half dollars, and 10 more dimes than quarters. how many of each coin does she have
August 30, 2014

calculus
Not sure what you mean. It says it's in the first quadrant.
August 27, 2014

calculus
1. Let S be the region in the first quadrant bounded by the graphs of y = e^(-x^2) y = 2x^2, and the y axis. y x = 2 , and the y-axis. a) Find the area of the region S. So when I integrate, is it from 0 to .5325? I found where they intersect on the calculator. Is this the ...
August 27, 2014

math
15
August 27, 2014

Math
By the way, you converted AUD to EUR, than apparently EUR back to AUD, yet you have different numbers for AUD...
August 27, 2014

Math
Convert from AUD to EUR, than EUR to USD.
August 27, 2014

physics
Some of the branches of physics that you will study in this course investigate motion, the properties of materials, sound, light, electricity and magnetism, properties of atoms, and nuclear reactions. Give at least one example of an application of each branch.
August 25, 2014

physics
Well i put generators and television for electricity & magnetism
August 25, 2014

physics
Some of the branches of physics that you will study in this course investigate motion, the properties of materials, sound, light, electricity and magnetism, properties of atoms, and nuclear reactions. Give at least one example of an application of each branch.
August 25, 2014

English
#2
August 25, 2014

English
#1
August 25, 2014

English
#3
August 25, 2014

algebra
That's what I tried, but it's wrong. Idk why.
August 22, 2014

algebra
What is the maximum value of c such that the graph of the parabola y = (1/3)x^2 has at most one point of intersection with the line y = x+c?
August 22, 2014

physics
Ok I actually understand part of it now, but why is sin (θ1) used instead of cos? Wouldn't using cos give the horizontal component of F2?
July 21, 2014

physics
Three balanced forces pull on a ring that is centered over a force table. Two forces F1 and F2 are due to weights hanging from pulleys. A frictionless pulley changes the direction of a force without altering its magnitude. The third force F3 is applied by a string that passes ...
July 21, 2014

Reading
we are working togather...Thank you.
July 3, 2014

Reading
Thank you Ms. Sue
July 3, 2014

english
Words to choose from: Credible, Cursory, Designate, Deviate, Improvise, Interim, Latent, Secular, Shun, Simulate…… I remember so well the time my mother’s back injury prevented her from going to church with my brother and me. For five weeks, we were supposed to ...
July 2, 2014

math
Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -6x2 + 3x + 3.
June 19, 2014

Math
The average weight of 3 boys is 53 pounds. Not one of these boys weighs less than 51 pounds. What is the maximum possible weight in pounds, of any one boy?
June 8, 2014

Reading
I was not _______(e)d with athletic ability; mortified or detract
June 4, 2014

CHEMISTRY
given this balance equation, C2H5OH+3O2=3H2O+2CO2 HOW MANY GRAMS OF CO2 ARE PRODUCED FROM 18.5 GRAMS OF OXYGEN GAS?
May 24, 2014

algebra1
did you take the unit test for connexus ?
May 19, 2014

algebra1
Please Help me out if you know this... Simplify. x/7x+x^2 A. 1/7+x; Where x does not equal -7 B. 1/7x; Where x does not equal 0 C. 1/7+x; Where x does not equal 0,-7 D. 1/7
May 19, 2014

Biology
Examining an animal showing juvenile somatic characteristics and sexual maturity, how can you tell if this is the result of progenesisor neoteny?
May 8, 2014

Chemistry
If the solubility constant for Ag2CO3 is equal to 8.1x10^-12 how many grams of Ag2CO3 will dissolve in a .0001 M solution of Na2CO3?
April 17, 2014

Social Studies
What characteristic did the Mauryan and Mughal empires share? -Both helped spread Buddhism -Both helped spread Islam -Both embraced the idea of religious tolerance -Both were begun by Aryan people
April 12, 2014

chemistry
A 4.70 g sample of a certain gas occupies 530. mL at STP. What mass of the same gas is present in a 1.15 L container at 40.5°C and 785 mm Hg?
April 10, 2014

math
simplify 8g^7h^-3 over (like a fraction) 2g^4h^8 a. g³ over 4h^5 b. 4g³ over h^11 c. 4g³h^5 d. 4h^11 over g³ thank you for your help!
April 10, 2014

Physics
A turntable rotates counterclockwise at 63 rpm. A speck of dust on the turntable is at θ = 0.57 rad at t = 0 s. What is the angle of the speck at t = 9.5 s? Your answer should be between 0 and 2π rad.
April 3, 2014

Math: Thinking Mathematically
Never Mind... I Just figured it out. Thanks Steve for help!!! :D
March 21, 2014

Math: Thinking Mathematically
Hey Steve, I'm also stuck on this problem too. I understand the part about the height being 12 yards since the three cables are attached 4 yards below the top. I can't figure out how you ended up with 15 yards. When you say that the other leg is 9 yards, are you ...
March 21, 2014

Global studies
The indigenous people of British Columbia are famous for carving __________, or tall poles containing the symbols of a particular group, family, or clan. a. monuments b. family pillars c. totem poles *** d. animal columns
March 12, 2014

Algebra
Long Divide: (x^2 + 3x + 5)/ (x + 3) Thanks.
March 4, 2014

Finance
2,238.87
February 25, 2014

6th grade social studies
I need help unscrambling these letters to form two words: inenidj tcain They go along with the phrase ______ _____and Persia.
February 24, 2014

Chemistry
If the surface area of a human body is 17,500 square centimeters, what is the total weight of the atmosphere on a human body expressed in pounds?
February 14, 2014

math
Wandy and Paul are saving to buy their home. Wandy saved $16 390 while paul has save $18 000. how more has paul saved. how much altogether?
February 13, 2014

Physics
A football is kicked at ground level with a speed of 17.9m/s at an angle of 39.0∘ to the horizontal. How much later does it hit the ground?
February 5, 2014

spanish
I need hep unscrambling these words can anyone help? 1)GJAUDRO 2)ARBCUE 3)EUPQIO 4)MCLICISO 5)PEASRA 6)NEIST
January 31, 2014

Language Arts (Check answer)
because the story is written as a series of dated reports, we can see that the story is structures according to a. Cause and effect b. Chronological order c. Comparison and contrast d. Problem and solution ***
January 31, 2014

Educational tech (Please check my answers)
Thank you
January 30, 2014

Educational tech (Please check my answers)
Which of the following is an example of safe behavior online? A.) Chatting with someone you have not met before B.) Providing your email address when asked in an IM C.) Leaving your computer open at a public library D.) Communicating with friends on secure websites *** What is...
January 30, 2014

physics
in a experiment to measure the speed of sound in glass, a pulse of sound is sent into a glass rod, 14 m in length. the reflected sound is detected after 5.6 ms (0.0056 s). calculate the speed of sound in glass.
January 19, 2014

physics
thx man
January 18, 2014

physics
in a game a toy car slides down a slop if the top of the slope is 2 m higher than the foot of the slope how fast will the car be moving when it reaches the foot assume that all of its g.p.e is transformed to k.e (i'm 8th grade so simple answers pleas)
January 18, 2014

Math
Meenah made a conjecture that any even number will be divisible by 4. Test her conjecture. Explain whether it is correct or incorrect.
January 5, 2014

8th grade science
okay thank you Ms. Sue I also appreciate your help :D
December 29, 2013

8th grade science
okay thank you Sandra James :) I really appreciate your help. Thank you so much!
December 29, 2013

8th grade science
I'm pretty sure that you can rule out answer choice A because I don't think that the sun can really cause the planet to shrink but I'm not sure whether the answer would be answer choices B or C, so can someone please help me? Thank you :D
December 29, 2013

8th grade science
Q: how might the length of mercury day affect the temperature ranges found on the planet? A: A)Over time the closeness of the planet to the sun has caused it to shrink. B)The entire planet would get burned by the intense amount of sunlight. C)Parts of the planets facing the ...
December 29, 2013

Pre-Calc
Prove: 2 - sec^x / 1+ tan ^x = cos 2x
December 19, 2013

geometry
The measure of the angles in a parallelogram total 360. Write and solve a system of equations to determine the values of x and y. The parallelogram shows x and 5.5y. The triangle shows x and y. I have the first equation at 180= x + 5.5y. What would be another equation for the ...
December 16, 2013

physics-important fast
A 1532.9 kg car traveling with a speed of 12.7 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 50.4 m?
December 13, 2013

physics
Suppose you are riding a stationary exercise bicycle, and the electronic meter indicates that the wheel is rotating at 9.1 rad/s and that you have been riding for a "distance" of 8.6 x 103m. The wheel has a radius of 0.45 m. For how many minutes have you been riding ...
December 13, 2013

American History
Alright thanks Ms. Sue :)
December 12, 2013

American History
I'm not sure if this is a correct answer, but this is my opinion: "If John F. Kennedy was in office today, he would most likely use more often since there's more technology avalible, but he would use more wisely."
December 12, 2013

American History
If John F. Kennedy was in office today, what do you think his approach to the media might be?
December 12, 2013

Geometry
True or False: If a figure does not have point symmetry, it cannot have reflection symmetry.
November 29, 2013

Chemistry
some of the acetic acid splashed out the beaker when you dropped the tablets into the acetic acid. How would this affect your measurement? Would your final calculated mass of sodium bicarbonate in the tablet be artificially high or low as a result of this splashing?
November 21, 2013

houston community college
incorrect each year the amount of interest gained would increase it would not be the same for each year it would increase
November 20, 2013

Maths
Factorise these quadratics X^2-36 X^2-121 X^2-169
November 18, 2013

Math 8th grade
-24 (fooooooooooool)
November 9, 2013

science
i need to know about acids and alkalis back in arab times
November 2, 2013

Anyone wanna help me with this math?
I need the answers to 12 and up now
November 2, 2013

physics
A car is traveling around a circular banked road without friction which is inclined at 72 degrees which has a vertical height of 25 meters. When the car is traveling at 16 m/s around the road, it is moving at the bottom on the incline (inner radius of the road when viewed from...
October 31, 2013

english
I am a bit confused about what type of sentence this would be.... Hurricane Katrina destroyed many homes in New Orleans it destroyed many business, too. Chose from: correct, fused, comma splices and fragment
October 25, 2013

math
125% of what number is 50? do you do 1.25 x 50?
October 20, 2013

math
find 15% of 60, 20 is what percent of 5. how do you do this?
October 20, 2013

physics
It's a snowy day and you're pulling a friend along a level road on a sled. You've both been taking physics, so she asks what you think the coefficient of friction between the sled and the snow is. You've been walking at a steady 1.5m/s, and the rope pulls up on...
October 18, 2013

American History
What does the Constitution not list the reserved powers of? The choices are Congress, President, state government, or national government
October 1, 2013

Physics
A car is traveling 28 m/s when the driver sees a child standing on the road. He takes 0.8 s to react, then steps on the brakes and slows at 6.5 m/s2. How far does the car go before it stops?
September 25, 2013

Physics
A car is traveling 28 m/s when the driver sees a child standing on the road. He takes 0.8 s to react, then steps on the brakes and slows at 6.5 m/s2. How far does the car go before it stops?
September 25, 2013

Math
Find an inverse variation equation that models the data. Length 4,6,8,9,10 Weight 24, 16,13,11,9
September 23, 2013

algebra
thanks
September 23, 2013

algebra
52 mph. but how do I show my work?
September 23, 2013

algebra
if it takes you half an hour to travel 26 miles to work what is your average speed
September 23, 2013

english
from the book there are no children here what does " William died a few months later when a friend, fooling around with a revolver he thought was unloaded, shot William in the back of the head. Lafeyette never learned what happened to the snake." this mean? an ...
September 19, 2013

math
62/d when d=3.1?
September 11, 2013

Statistics
The median is a relatively resistant measure, while the mean isn't. Therefore the mean gets pulled further in the direction of a long tail. Since the mean is smaller than the median, we conclude that the distribution has a left-hand tail.
September 10, 2013

geometry
Three line segments have the following measures: AB=6, BC= 3, and AC=8. If A,B, and C are distinct points, what conclusions can you draw about points A,B, and C? Draw a diagram and explain your answer.
September 5, 2013

phsics
a car moving with an initial velocity of 60 m/s south has a constant acceleration of 10 m/s^2 north. After 12 seconds its velocity will be: A) 60 m/s south B)60 m/s north C) 40 m/s north D) 40 m/s south
September 2, 2013

physics
during a journey over which speed varies, the maximum attained speed in comparison to the average speed is always: A)one half of it B) greater than it C)less than it D) equal to it E) none of this
September 2, 2013

phsics
throughout a time interval, while the speed of a particle increases as it moves along the x-axis, its velocity and acceleration might be: a) positive and negative B) negative and negative c) negative and positive D) negative and zero E) positive and zero
September 2, 2013

Acc. Algebra 2
Solve for s пr(s+r) Solve for a S= a(1-r^n)/1-r
September 2, 2013

Acc Algebra 2
The numerator of a fraction is 6 less than its denominator, and the value of a fraction is 3/5. Is this right?? 6-x/6+x=3/5
September 2, 2013

Acc. Algebra 2
One angle of a quadrilateral has a measure a°. Find the average of a measures of the other three angles.
September 2, 2013

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