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Juan

Questions and answers by visitors named Juan

Questions (161)

The surface area of the Sun is about 4x3.141x(7x10^5)^2 square kilometers. Simplify the expression
1. 4 answers
2. 1,337 views
Which of the following represent conjugate acid-base pairs? For those pairs that are not conjugates, write the correct conjugate
1. 5 answers
2. 4,231 views
I have 45 in the denominator I am equivalent to 4-9. What fraction am I?
1. 4 answers
2. 1,541 views
A cylinder has a surface area of 339 square centimeters and a radius of 6 centimeters. Estimate the volume of the cylinder to
1. 5 answers
2. 2,193 views
Christine scarfed that whole bag of chips herselfwhat is another way of saying scafed wit out using slang Did she steal them?
1. 1 answer
2. 511 views
Are there any famous Mexican philosophers?http://en.wikipedia.org/wiki/Category:Mexican_philosophers
1. 1 answer
2. 430 views
Please help me correct the following paragraph for grammar, spelling, and word usage. Thanks!El testigo del Jehová estaba
1. 1 answer
2. 496 views
Who are some famous Mexican philosophers?Check this site for a list of some of Mexico's philosophers.
1. 2 answers
2. 569 views
What evidence is there that Othello may have been a Mexican?Thank you for using the Jiskha Homework Help Forum. A Mexican may
1. 1 answer
2. 978 views
If it's possible, can somebody help me fing grammatical error in this essay?The Medicine man is one upon various movies that
1. 1 answer
2. 356 views
The Medicine man is one upon various movies that should make us concerned with our environment. The things occurring to our
1. 3 answers
2. 420 views
Which of Dalton's four principles does Law of Multiple Proportions support, and how does it support it?
1. 5 answers
2. 574 views
Do clown fish encounter problems in its habitat?
1. 2 answers
2. 500 views
Find the volume of a rectangular solid with the following dimensions: 2.3 cm x 4.6 cm x 7.8 cmA. 8.25 cm3 B. 82.524 cm3 C.
1. 4 answers
2. 374 views
If the odds against an event A are 15 to 1, what is the probability associated with event Aoccurring?
1. 1 answer
2. 393 views
The systolic blood pressures of the patients at a hospital are normally distributed with a mean of136 mm Hg and a standard
1. 2 answers
2. 973 views
What's another way to write 8 3/4?
1. 1 answer
2. 282 views
At what speed must a satellite of a mass M be launched horizontally at the surface of the earth if it's orbit is to be a circle
1. 3 answers
2. 572 views
(a)Compute the value of G at a point in space that is 7.0X10^6 m from the center of the earth. What will be the value of G at a
1. 3 answers
2. 1,023 views
A satillite is orbiting the earth at a distance of 1.00X10^3 km above the surface of the earth. What is it's speed?
1. 2 answers
2. 708 views
b) Suppose you want to cover the backyard with decorative rock and plant some trees as the first phase of the project. You need
1. 5 answers
2. 542 views
y=-1/2x-4Complete the table for this equation. x y (x,y) -1 -2 -4 2 8
1. 3 answers
2. 427 views
3. The linear equationrepresents an estimate of the average cost of gas for year x starting in 1997. The year 1997 would be
1. 2 answers
2. 552 views
9x +3y=-51,-5x +y=39 solve using substitution method
1. 1 answer
2. 445 views
God created the heavens and the earth. What are the verbs in this phrase
1. 4 answers
2. 631 views
Why is it that biochemists often remember the pKa of weak acids, rather than Ka?
1. 3 answers
2. 863 views
If we suppose that Kw = 1.0x10^-14 at 25C, would it be larger or smaller at 100C? What is the value of K for the reaction 8H +
1. 2 answers
2. 828 views
what is the like term method ?
1. 1 answer
2. 277 views
What are the elements of a contract under common law? Explain what gaps in a contract can be filled by Article 2 of the UCC?What
1. 2 answers
2. 498 views
What are the elements of a contract under common law? Explain what gaps in a contract can be filled by Article 2 of the UCC?What
1. 1 answer
2. 467 views
Make a tally chart for the numbers of students in the third-,fourth-,and fifth-grade classes:26,25,27,27,26,28,27.
1. 3 answers
2. 463 views
Sam and David are among 5 students who have a chance to win a free airline ticket to San Diego. 2 students from the group will
1. 1 answer
2. 332 views
Peggy is runnig around the school track at a constant speed. The track has two straight stretches on the sides and two curved
1. 1 answer
2. 374 views
Peggy is runnig around the school track at a constant speed. The track has two straight stretches on the sides and two curved
1. 1 answer
2. 381 views
Peggy is runnig around the school track at a constant speed. The track has two straight stretches on the sides and two curved
1. 1 answer
2. 388 views
Can you please explain to me how I can solve these problems?(3^ square root of3) ^square root of 3 (x^ square root of 2) ^square
1. 2 answers
2. 881 views
What is the the 3 equivalent fractions of 10/24
1. 4 answers
2. 924 views
Find the vertex, the line of symmetry, and the maximum or minimum value of f(x). Graph the function.F(x) = 1/8 (x + 9)² +3
1. 3 answers
2. 419 views
If a pro basketball player has a vertical leap of about 35 inches, what is his hang time? Use the hang-time function V = 48T²
1. 2 answers
2. 859 views
A worker in an automobile assembly line who chooses this type of work because of the job security it entails is said to be
1. 4 answers
2. 749 views
What are the steps to getting the tan of 345degree, without the use of a calculator?
1. 4 answers
2. 1,327 views
Can someone EXPLAIN to me how to solve for x. Please don't just give me an answer because I won't learn anything from that.sq
1. 2 answers
2. 863 views
A student places her 442 g physics book on a frictionless table. She pushes the book against a spring, compressing the spring by
1. 2 answers
2. 774 views
5 years,21days,4hours,32min,17sec- 2 years,93days,7hours,47min,24sec _______________________________________
1. 6 answers
2. 413 views
5 years,21days,4hours,32min,17sec- 2 years,93days,7hours,47min,24sec -------------------------------------
1. 3 answers
2. 367 views
A data set has the following point:(1,8)(2,7)(3,5) The slope of the linear regression line is -1.5 Find the y-intercept of the
1. 1 answer
2. 425 views
Max creates a lavender dye by mixing 3 parts of red dye.Will a mixture of 14 parts of blue dye with 23 parts of red dye create
1. 2 answers
2. 671 views
Find the probability that for a random sample of 4 states the sample mean x is between 475 and 525
1. 1 answer
2. 378 views
What is 431804 and 10235.0 rounded to four significant figures?
1. 2 answers
2. 684 views
You have to use 3,500 calories to lose one pound. If you play Dance Dance Revolution you can burn 1,000 calories in an hour. How
1. 1 answer
2. 371 views
The base of the skateboard ramp has an area of 2.3 m square meters the height of the ramp is 1.2 m find the volume of the
1. 1 answer
2. 461 views
use the bronsted-lowry model to label the acid-base pairs in the following equation for the ionization of water: H20(L) + H20(L)
1. 2 answers
2. 808 views
Give a real life scenario in which solubility is important that does NOT involve salt and water.
1. 1 answer
2. 361 views
How much salt could an average person hold? (Ignore safety concerns)Given equation: 0.3x=y 0.3x meaning mass of water y mean
1. 1 answer
2. 405 views
At the equivalence point in a titration you know the volume (x mL) of a standard solution of acid (2.5 M) that has been added to
1. 3 answers
2. 1,376 views
• Describe the properties of acids and bases and explain the concept of pH• How will you measure the pH of the soil in your
1. 1 answer
2. 431 views
Assign oxidation states to all atoms in each of the following. explain the order in which you determine the oxidation states for
1. 2 answers
2. 567 views
4, Assign oxidation states for the two elements in the compound OF2. Explain the rules that you use.5. For each of the following
1. 2 answers
2. 1,304 views
what happens to a battery when it is "recharged"
1. 1 answer
2. 286 views
calculate the volume of 1.07M phosphoric acid solution necessary to react with 22.9 ml of 0.150M Mg(OH)
1. 1 answer
2. 342 views
calculate the volume of 1.07M phosphoric acid solution necessary to react with 22.9 ml of 0.150M Mg(OH)2H3PO4 +3Mg(OH)2 ==>
1. 3 answers
2. 441 views
we burn 12.50L of ammonia in 20.00L of oxygen at 500 degrees celsius. What volume of nitric oxide, NO, gas can form? what volume
1. 3 answers
2. 878 views
Related RatesI am having trouble finding the equation to use to fit this all together. At noon, ship A is 100km west of ship B.
1. 2 answers
2. 566 views
Related RatesI am having trouble finding the equation to use to fit this all together. At noon, ship A is 100km west of ship B.
1. 1 answer
2. 451 views
Related RatesI am having trouble finding the equation to use to fit this all together. At noon, ship A is 100km west of ship B.
1. 1 answer
2. 446 views
Related RatesI am having trouble finding the equation to use to fit this all together. At noon, ship A is 100km west of ship B.
1. 1 answer
2. 522 views
Related RatesI am having trouble finding the equation to use to fit this all together. At noon, ship A is 100km west of ship B.
1. 2 answers
2. 549 views
two objects attract each other gravitationally with a force of (2.5)(10^-10)N when they are 0.25m apart. Their total mass is 4.0
1. 2 answers
2. 1,031 views
The projected revenues and costs that form the basis of the potential for a project's acceptance or rejection are estimates of
1. 4 answers
2. 2,083 views
Which type of updates should be installed in a test environment before being installed in a live enterprise environment.?A.
1. 5 answers
2. 1,211 views
All of the following statements are true of the Federal Reserve EXCEPT:A. Acts as the central bank for all countries in the
1. 4 answers
2. 2,862 views
Suppose that a market for a product is in equilibrium at a price of $5 per unit. At any price above $5 per unit.A. There will be
1. 3 answers
2. 1,983 views
An increase in the capital stock will:A. Shift production function downward. B. Shift the production function upward C. Flatten
1. 1 answer
2. 1,248 views
Income taxes create a difference between the interest rate paid by companies and received by lenders. These taxes___________
1. 2 answers
2. 570 views
Shelly made 5 more sales calls than Clark . Shelly and Clark made a total of 33 sales calls. How many sales calls did each make
1. 2 answers
2. 752 views
Dominic collects sports science fiction and history books. He has 21 books about sports, 35 books about science fiction, and 14
1. 5 answers
2. 490 views
Carrie attained a score of 650 on the verbal section of her SAT. The mean grade was a 500 with a standard deviation of 100. What
1. 4 answers
2. 2,254 views
Hi,I did an extraction experiment. I've got my basic layer, and getting my acidic salt in return. To do this, I am instructed to
1. 6 answers
2. 581 views
A box weighing 178N slides down a ramp with an initial velocity of 0.5m/s^2. The ramp has an angle of 24 degrees and is 3m long.
1. 1 answer
2. 479 views
You throw a ball towards a wall at 15ms-1, and it bounces back at 10ms-1. What is the total change in velocity? (the answer is
1. 1 answer
2. 365 views
Calculate the denstiy of a block if the volume is 20.0cm3 and the mass is 40.0 g
1. 1 answer
2. 328 views
A baseball team plays in a stadium that holds 52000 spectators. With the ticket price at $9 the average attendance has been
1. 1 answer
2. 1,225 views
Medical doctors earn higher incomes than people who have a Ph. D in economics. This is partly becauseA. Medical doctors are more
1. 3 answers
2. 616 views
suppose Belgium produces only two goods, chocolate and lace. If Belgium has a comparative advantage in lace, a move toward free
1. 2 answers
2. 577 views
Why the private market for flu vaccinations would produce an inefficient outcome?
1. 4 answers
2. 381 views
Which poetic line contains both paradox and consonance?A. One summer day, all day I drove it hard B. How long it might last, how
1. 3 answers
2. 506 views
taxes may cause deadweight losses because________.a. they transfer purchasing power from buyers to the government. b. they lower
1. 7 answers
2. 1,658 views
A ban on imported avocadoes will result in_______a. an increase in the total surplus because domestic production will increase.
1. 2 answers
2. 627 views
suppose Belgium produces only two goods, chocolate and lace. If Belgium has a comparative advantage in lace, a move toward free
1. 1 answer
2. 806 views
Oscar has twice as many pennies than he has dimes. All together he has $.84. How many dimes and pennies does he have?I tried to
1. 4 answers
2. 435 views
A single processing machine makes two components, A and B, which are packaged together as the final product (each product sold
1. 1 answer
2. 457 views
. Lopez has $9118 in her bank account on March 1st. She saves $609 in March. Then she must pay $1011 in taxes in April. Mrs.
1. 4 answers
2. 2,348 views
lisa is 6 years older than Tom. Their father's age is twice the sum of their ages. How old is lisa if her dad is 32?
1. 3 answers
2. 690 views
5,-15,45,-135 is it arithmetic , geometric or neither ?
1. 2 answers
2. 513 views
A certain clock gains 3 minutes every hour if this clock shows the correct time at 6:00 an what time will the clock show when it
1. 4 answers
2. 682 views
Your school is organizing a carnival. You are building a ramp for a game. The ramp will be 8 feet long with a total rise of 5
1. 4 answers
2. 3,187 views
Greg invested his savings in two investment funds. The amount he invested in Fund A was3 times as much as the amount he invested
1. 2 answers
2. 1,021 views
A sales associate at a computer store receives a bonus of $100 for every computer he sells. He wants to make $2500 in bonuses
1. 3 answers
2. 1,061 views
A community needs to raise at least $5000 to build a new skateboarding park. They are selling backpacks for $25 each to raise
1. 5 answers
2. 1,295 views
Points J and K, plotted on the coordinate grid, are two vertices of rectangle JKLM.Rectangle JKLM has an area of 7 square units.
1. 4 answers
2. 1,144 views

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