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Posts by Jerry

Total # Posts: 397

6th Grade Math (Please Help It's Getting Late)
What would I have to do then to find the price?

6th Grade Math (Please Help It's Getting Late)
Really? That's it?

6th Grade Math (Please Help It's Getting Late)
Roger visted a ski and snowboard shop the other day to buy a new snowboard. The store said it was having a sale, today only. 20% off all new 2016 Burton Snowboards. Usually these snowboards cost $300 when they're not on sale. Roger told his friend John they are only $60 ...

programming
Design a sub-class of SimpleCalculator called Calculator using psudoecode that contains public methods named multiply(), and divide() and that defines private fields called num1 and num2. Each of the methods accepts two numeric arguments and returns a number that represents ...

programming
Design a sub-class of SimpleCalculator called Calculator using psudoecode that contains public methods named multiply(), and divide() and that defines private fields called num1 and num2. Each of the methods accepts two numeric arguments and returns a number that represents ...

social studies
why emotional readiness is necessary for good parenting

chemistry
25cm cubed of 0.250mol per litre of potasium carbonate was nuetralized 12.5cm cubed of ethanoic acid of unknown concentration.determine concentration of the acid

Math
Write a real world problem for the equation 3+x=8

science
Why the solution of aluminium sulphate in water is not clear

algebra 1
The base of a triangle is 3 cm greater than the height. The area is 27 cm squared. Find the height and base of the triangle.

physics
experiencing a constant horizontal 1.10 m/s wind, a hot air balloon ascends from the launch site at a constant vertical speed of 2.70 m/s. at a height of 202 m, the balloonist maintains constant altitude for 10.3 s before releasing a small sandbag. how far from the launch site...

Stat & Prob.
Show that if Cov(X,Y)=0, then the correlation coefficient satisfies p(X+Y, X-Y)=Var(X)-Var(Y)/ Var(X)+Var (Y)

healthcare stats
You currently lease scanning equipment at a cost of $2,750 per quarter and two copy machines at $150 each per month plus $0.01 per page copied. You estimate you will copy a total of 30,000 pages a year per copier. What will you need to budget annually for this leased equipment?

Physics
Which are in static equilibrium? 1. A box sliding down a ramp. 2. A baseball after being hit. 3. A box sliding along a horizontal surface. 4. A perfectly upright freely spinning top 5. A freely swinging simple pendulum 6. A spinning astronaut floating out in deep space. 7. A ...

PHYSICS
a 75kg parent and a 22kg child meet at the center of an ice rink. they place their hands together and push hard enough to slide apart. a. is the force experienced by the child more than, less than, or the same force experienced by the parent? I said they experience the same ...

Algebra
Boris is driving to Memphis. Suppose that the distance to his destination (in miles) is a linear function of his total driving time (in minutes). Boris has 58 miles to his destination after 21 minutes of driving, and he has 42.6 miles to his destination after 43 minutes of ...

algebra
How would you enter the equation y + x2 = -1 into your calculator in order to graph it?

Math
What is 9 minus 3 decided by 1third plus 1 equals

Biology - Help!
Based on your knowledge of eukaryotic gene regulation, what series of events would explain the generation of the "pre-activated" state for the full set of B-globin like genes (epsilon, gamma, delta, and beta) in the earliest embryo?

chemistry
the density of an aqueous solution containing 10.0% by mass ethanol is 0.984 g/ml. calculate molality and molarity. what volume of the solution would contain 1.15 g ethanol ?

Algebra
.6351

math
Tim Tele received a $380 discount loan to purchase a DVD player. The loan was offered at 18% for 60 days. Find the interest in dollars and the proceeds for the following problem.

Social Studies
b

Physics
Car A travelling at 13 m/s [N] is 190m behind car B which is travelling at 9.0 m/s [N]. At this moment car A starts to accelerate at 6.0 m/s^2 [N] to catch up with car B. After 1.0s, car B also starts to accelerate at 2 m/s^2 [N]. How long will it take car A to catch up with ...

L/A
ok but ill never use jiskha again. :( thanks for nothing

L/A
These questions are from the book Rain Reign. Explain Rose's father's childhood. How might his childhood impact his relationship with Rose?

Language Arts
These questions are from the book Rain Reign. Explain Rose's father's childhood. How might his childhood impact his relationship with Rose?

Math
Sorry, I couldn't resist.

Math
TAnk you

math
3x^4-4/(x+2)^3

Biology
List down 20 acids with their property and identify them by saying polar or non polar and acidic charge or basic charge

Math
Each triangle is a 30-60-90 triangle, and the hypotenuse of one triangle is the longer leg of an adjacent triangle. The hypotenuse of the largest triangle is 8 centimeters. What is the number of centimeters in the length of the longer leg of the smallest triangle? Express your...

Algebra I
You have decided to try and convince your parents to let you get your own cell phone. After finding out that the flat monthly rate for unlimited minutes $35.00, which you can afford, you offer to pay the cost yourself. However, just before you place your order, you see an ...

Social Studies (Help!)
OH. So it was for more land and riches, not to avoid other groups.

Social Studies (Help!)
Could it also be because they wanted to avoid the English and Dutch colonies?

Social Studies (Help!)
I know, but what was their reason for going west. Remember that this takes place during the mid-1600's.

Social Studies (Help!)
Why did New France stretch so far to the west?

Social Studies (Help!)
Thank you!

Social Studies (Help!)
OHHHHHHH. Was it because they didn't want to get their colony taken over by the Spanish, so they kept their colony hidden for this reason?

Social Studies (Help!)
No

Social Studies (Help!)
Still don't see it

Social Studies (Help!)
So why did they want to hide their colony?

Social Studies (Help!)
The English settlement of Virginia, or the Jamestown colony. And during the early 1600s

Social Studies (Help!)
Why did the English want to hide their colony from Spaniards? Please help!!!!

Math
A flowerbed is 3 3/4 meters long and 2 meters wide. Uncle James wants to build a border around the flowerbed. The width of the border is 1/2 meter. The cost of building the border is $20 per square meter. How much does Uncle James have to pay to have the border built. 3.75+3....

Math
If it takes a old and hot tap 6 mins to fill a bath and on their own it takes the hot tap 100 secs more than the cold tap to fill bath. How long will it take the cold tap on its own to ill the bath

Math
Ten in each hundred 110 111 etc 210 211 etc 90

Chemistry
how much limestone would be required to change the ph value from 4 to 4.5 in 20000 cubic of water?

math
saac's law says, T(t) = Ta + (Ts - Ta)e^kt where Ta is the room temp Ts is the temp of the object and t is the time T(6) = 72 + (173-72)e^(6k) 137 = 72 + 101e^6k 101e^6k = 65 e^6k = 65/101 6k = ln(65/101) k = ln(65/101)/6 = -.073455541.. (put in calculator's memory) so...

Math
How many 5 foot tiles are needed to completely cover a 40 foot square wall?

Math
a shop has one pound bags of peanuts for $2.00 and three-pound bags of peanuts for $5.50 if you buy 5 bags and spend $17, how many of each size bad did you buy?

English
They sustained life threatening injuries in the forest fire, their names, ironically, are included on the list of suspected arsonist. How would you correct the sentence structure error? a. separate the two clauses with a colon b. join the two independent clauses with a ...

science
yes you are correct. the equation for photosynthesis: 6 CO(2) + 6 H(2)O + energy --> C(6)H(12)O(6) + 6 O(2) ^ the above equation basically says Carbon Dioxide + Water + energy ---yields---> glucose + oxygen the carbon dioxide gets reduced to glucose (gain H+ atoms) while...

science
true

Math
Consider a market where supply and demand are given by QXS = -14 + PX and QXd = 85 - 2PX. Suppose the government imposes a price floor of $38, and agrees to purchase any and all units consumers do not buy at the floor price of $38 per unit. a. Determine the cost to the ...

Algebra 2
I have to add this rational expression but I keep on ending up with 2 different answers each time I try to solve the expression. 2/x + 1/2x My answer is 4x+1/2x; but I also got 5/2x. Which one is correct and why?

Algebra 2
Someone please help me. Cycle Paths, Inc. makes bicycles, tricycles, and unicycles. Last week they made 88 more bicycles then unicycles, and five times as many tricycles as unicycles. If they made 40 more bicycles then tricycles, how many unicycles did they make?

physical sciences(chemistry)
Natasha holds the two ends of a string in her hands and then moves her hands up and down so that a wave travels from one end of the string to the other end. In which case will she have a standing wave along the string?

College Algebra
Two pipes can be used to fill a pool, working together the two pipes can fill the pool in six hours. The larger pipe can fill the pool in three hours less time than the smaller pipe can alone. Find the time to the nearest tenth of an hour it takes for the smaller pipe working ...

Philosphy - Dream Interpreations
Just any interpretation of what a venomous snake bite represents in a dream would be helpful. Thanks

Philosphy - Dream Interpreations
It may sound weird because its written in first person, but its an assignment. But thanks anyway

Philosphy - Dream Interpreations
I recently just had a dream when I was alone in my room enjoying myself and suddenly about 4-5 to what I perceived as venomous snakes, each with a vivid and distinct coloring design, appeared from the trashcan in the room and start slithering around. As I made feeble and ...

chemistry
How many moles are their in 10.6 L os SO2 ?

Physics
In the Daytona 500 auto race, a Ford Thunderbird and a Mercedes Benz are moving side by side down a straight-away at 67.5 m/s. The driver of the Thunderbird realizes he must make a pit stop, and he smoothly slows to a stop over a distance of 250 m. He spends 5.00 s in the pit ...

Life Span Development
According to Selman’s stages of friendship, stage 4 requires an individual’s increasing ability to balance

Math
(6/x^2+5x+6) + (9/x+3) express answer in reduced form What i attempted is to factor out the bottom half of the first fraction to 6/(x+2)(x+3) the second half i'm guessing would be to multiply each side by the x+3? making it a (6x+18/(x+2)(x+3)) + 9 or would i write it as 6...

Math
the series a_n doesn't have a limit. prove that the series (1/n) doesnt go to 1. use the definiton of lim: for every epsilon>0......

AP Calculus
Are infinite discontinuities removable? Also, please help me with this question: f(x)=x^2+4x+3 / x^2-9 has one removable discontinuity and one vertical asymptote. Find and identify the x-value for each. I found the asymptote at x=3, but please help for the discontinuity. Thanks!

Science--Help.
U got all the answers right

us history
how does American colonization effect the society of the united states

physics
Part 1/2 A cyclist maintains a constant velocity of 7 m/s headed away from point A. At the.aome.initial time, the cyclist is 240 m from the point A. What will be his displacement from starting point after 65 s ? Answer in units m Part 2/2 Qhat will be his position from point A...

physics
A blue ball is thrown upward with an initial speed of 22.8 m/s, from a height of 0.8 meters above the ground. 2.8 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 10.9 m/s from a height of 29.3 meters above the ground. The force of ...

FINANCE
how long would it take an investment to halve in value if it depreciates at a rate of 12,5% per annum on a straight line method?

Geometry
Thank you very much Steve.

Geometry
a four sided garden plot has an irregular shape. the second side is 12 feet longer than the first. the third side is 24 feet longer than the second. the fourth side is 36 feet longer than the third. if the perimeter of the plot measures 136 feet, what is the length of the ...

Math
Assume that it costs Apple approximately C(x) = 36,100 + 100x + 0.01x^2 dollars to manufacture x 30-gigabyte video iPods in a day. How many iPods should be manufactured in order to minimize average cost? What is the resulting average cost of an iPod? (Give your answer to the ...

Math
Wow thank you so much!!!!

Math
Solve the optimization problem. Minimize F = x^2 + y^2 with x + 2y = 15. Thank You for the help!!

Math - Business Calc.
Ahhh okay my bad. Thank you!!!

Math - Business Calc.
Damon, thank you! But i tried entering it in but it said it was wrong. Also it wants the answer in inches cubed (in^3)

Math - Business Calc.
Chocolate Box Company is going to make open-topped boxes out of 5 × 17-inch rectangles of cardboard by cutting squares out of the corners and folding up the sides. What is the largest volume box it can make this way? (Round your answer to the nearest tenth.) Thank You ...

math help plzzz!!!!!!!!!
-8<1-3(x-2)<13

math help plzzz
Solve the inequality then graph the solution set on real number line. (2/5x)>7 2(x+7)-4>5(x-3)

7th grade math
Solve the inequality then graph the solution set on real number line. (2/5x)>7 2(x+7)-4>5(x-3)

math
Jesse collected data on the colors of the coats his classmates wore one day in February. He started a circle graph. Which equation will give the angle measure of the section for black?

English
Bob what do you mean by Evolutionary mutation? Can you explain that a but more please.

English
Thanks a lot! my mind opened up more for this topic, i can see the light.

English
What is your opinion of the idea that the dangers we face may lie beyond our understanding? I just need some idea's, please help me out. I'm not that good at writing essays.

Algebra
Please help. f(x) -6x-1 and g(x)=4x^2 Select the solution for(f+g)(x). Thank you.

Please help!
Hi, I really need help with this one. Determine the equation of g(x) that results from translating the function f(x) = x^2 + 3 upward 12 units Thank you.

Algebra
Hello, This one as well. Thank you! Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -8x^2 + 3x + 9.

Algebra
Hello, I hope all is well. I am hoping you can help. Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -7x^2 + 6x + 3.

Physics
A

math
Karen and Wayne need to buy a refrigerator because theirs just broke. Unfortunately, their savings account is depleted, and they will need to borrow money in order to buy a new one. Sears offers them an installment loan at 13% (add-on rate). If the refrigerator at Sears costs...

chemistry
was the formation of reactants or products favored by the addition of heat?

math
how do I multiply 53.33 100

stat
couple plans to have four children what is the probability that three are girls and one is a boy

math
elizabert has a box of shirts.1/2 of the shirts are small,2/5of the shirts are medium, and 5 shirts are large. how many shirts are in box?

Math
a man has a roll of 200m copper wire, he wires on room using 17m, and the next room using 83m of copper wire. How many meters is left on the roll after he does the two rooms?

math
is any multiple of 8 an even number or not

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