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Carl

Questions (233)

A flag has a length of 3 1/3 feet when the width is 1 5/6 feet. Write the ratio of the length to the width as a fraction in
1. 1 answer
2. 549 views
The Pi (π) Club at Math High School was planning a fundraiser to sell pepperoni pizza. A pizza company donated enough
1. 1 answer
2. 762 views
The Pi (π) Club at Math High School was planning a fundraiser to sell pepperoni pizza. A pizza company donated enough
1. 0 answers
2. 733 views
Randall wants to mix 57 lbs of nuts worth $1 per lb with some nuts worth $6 per lb to make a mixture worth $5 per lb. how many
1. 1 answer
2. 1,476 views
How do i solve y=7b^x to find the y and x intercept?
1. 1 answer
2. 383 views
How do i find x and y intercepts of y=7b^x
1. 2 answers
2. 369 views
How do i solve 36^5x= (6^x)(6^x-2)
1. 1 answer
2. 351 views
A man is swinging his child, Wii weighs 28.5 kilograms, in horizontal circle which has a radius of 0.75 meters and it takes the
1. 1 answer
2. 592 views
Tameron made a recipe that called 1/4 teaspoon of salt. If the recipe is doubled, how much salt is needed?
1. 2 answers
2. 2,205 views
Michaela walked 2/5 mile to the store in 1/4 hour. What is the walking pace?
1. 4 answers
2. 2,023 views
The baker ordered 4 dozen eggs at the beginning of the week. By Friday the baker used 5/12 of the eggs. How many eggs did the
1. 1 answer
2. 589 views
An investment club placed $33,000 into two simple interest accounts. On one account, the annual simple interest rate is 6.5%. On
1. 1 answer
2. 857 views
3 Sn^2+ (aq) + 2 Al (s) <--> 2 Al3+(aq) + 3 Sn(s). What is the voltage for this cell?What is the voltage for the cell if
1. 0 answers
2. 902 views
Simplify: 9/40 divided by 1/5 times 3/8
1. 6 answers
2. 436 views
Which of the following was valued during the Romantic period?logic individualism balance restraint
1. 6 answers
2. 2,727 views
What would be the new temperature in Celsius of a sample of methane if 205 ml at 725 torr and 75.0 degrees C is allowed to
1. 2 answers
2. 538 views
How much water must be added to make 500 ml of 12.0 M HCl to 1.0 M HCl(500mL• 12M) / 1.0M =6000m Is this correct?
1. 1 answer
2. 497 views
How much water must be added to make 500 ml of 12.0 M HCl to 1.0 M HCl(500mL• 12M) / 1.0M =6000m Is this correct?
1. 1 answer
2. 530 views
Can someone please explain to me how to solve this:Simplify 6P2. A) 30 B) 15 C) 12 D) 720
1. 13 answers
2. 5,592 views
The power of the equation ΔG° = –RT ln(K) is that K can be determined from tabulated values of ΔG°f. Use the tabulated
1. 4 answers
2. 807 views
A pH = 7.6 buffer is needed in the lab. This buffer is made by first dissolving 17.42 g K2HPO4 in 600 mL of water. What is the
1. 2 answers
2. 828 views
Calculate the pH of the the solution that results from titrating 50 mL of 0.6 M NaOCl(aq) with 0.3 M HBrAt 0.00 mL of HBr: At 70
1. 1 answer
2. 774 views
Calculate the pH of the the solution that results from titrating 50 mL of 0.6 M HCN(aq) with 0.2 M NaOHAt 0.00 mL of NaOH At 85
1. 1 answer
2. 620 views
What is the pH of a 150 mL buffer solution containing 0.5 M NaH2PO4 with 0.5 M K2HPO4?Determine the new pH of the solution upon
1. 0 answers
2. 618 views
what is the pH of a solution created by adding 15.5 g of KClO to 228 mL of 1.08 M HClO(aq).?
1. 0 answers
2. 349 views
Factor:-3x^2 - 18x + 15
1. 1 answer
2. 557 views
This question tells us to answer if the children bahaved good or bad from the paragraph below.Todos los niños le regalaron a
1. 5 answers
2. 807 views
Find the bisectors of the interior angles of the triangle whose sides are the line 7x+y-7=0, x+y+1=0 and x+7y-4=0.
1. 1 answer
2. 579 views
A glass block has a refractive index of 1.49. What is the critical angle for the block?
1. 1 answer
2. 698 views
Evaluate3/(1! +2! +3!) + 4/(2! +3! +4!) + 5/(3! +4! +5!) + ... + 2001/(1991! +2000! +2001!).
1. 0 answers
2. 396 views
Two objects are moving in the xy-plane. No external forces are acting on the objects. Object A has a mass of 3.2 kg and has a
1. 1 answer
2. 1,971 views
Two objects are moving in the xy-plane. Object A has a mass of 3.2 kg and has a velocity of Va= (2.3 m/s)i + (4.2m/s)j and
1. 1 answer
2. 3,805 views
Solve for x in terms of the other symbols:rsx^2 + s^2 x + rtx + st = 0
1. 1 answer
2. 394 views
A swimming pool is to be constructed in the space of partially overlapping identical circles. Each of the circles has a radius
1. 2 answers
2. 2,415 views
A cube has a surface area of 24 ft2. What is the length of one edge of the cube? Show Work Please.
1. 2 answers
2. 1,919 views
A student has completed a freewriting exercise. The result is a paragraph exploring the general theme of war in a literary text.
1. 8 answers
2. 1,381 views
What is the term for a magazine that is published on the computer?1. computerized slide show 2. online publication 3. electronic
1. 5 answers
2. 1,282 views
Need Help Please.A student is thinking about different forums for publishing an editorial. Which of the following would be
1. 2 answers
2. 1,605 views
Jared's football team lost a total of 12 yards during 4 plays of the game. They lost the same number of yards during each of the
1. 2 answers
2. 1,368 views
A 2050 kg truck is traveling east through an intersection at 2.3 m/s when it is hit simultaneously from the side and the rear.
1. 1 answer
2. 928 views
3. A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction
1. 1 answer
2. 636 views
A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in
1. 0 answers
2. 544 views
A current loop with radius 20 cm and current 2 A is in a uniform magnetic field of 0.5 T. Considering all possible orientations
1. 1 answer
2. 670 views
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
1. 0 answers
2. 501 views
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
1. 0 answers
2. 453 views
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
1. 0 answers
2. 714 views
What is the change in enthalpy for an isothermal, isentropic compression of an ideal gas from 2 atm to 12 atm?
1. 0 answers
2. 353 views
What is the change in enthalpy for an isothermal, isentropic compression of an ideal gas from 2 atm to 12 atm?
1. 0 answers
2. 408 views
in triangle ABC, AB=6, BC=12 AND AC=X. Which of the following cannot be a value of x?a. 6 b.7 c.8 d.9 e.10
1. 1 answer
2. 1,873 views
The average of 20,70 and x is 40. If the average of 20,70, x and y is 50, then y=a. 30 b. 60 c. 70 d. 80 e. 100
1. 1 answer
2. 385 views
Suppose that A and B are events defined on a common sample space and that the following probabilities are known. Find P(A or B).
1. 0 answers
2. 591 views
If you can write 5 pages each hour, at that rate, how many min. would it take you to write 2?
1. 2 answers
2. 392 views
A rescue cable attached to a helicopter weighs 2 lb/ft. A 190 lb man grabs the end of the rope and is pulled from the ocean into
1. 2 answers
2. 1,580 views
how can I decide to reject or fail to reject the following null hypothesis? let a= 0.05,data; p=0.69, n=32, test statistic z=
1. 1 answer
2. 458 views
how can I determine weather to reject or fail to reject the following nul hypothosis: let a= o.01, data: s= 3.1, n=55 and H(0)
1. 0 answers
2. 415 views
Find the present value of $14000 due in 9 years at the given rate of interest.(a) 2%/year compounded semiannually? (b) 5%/year
1. 1 answer
2. 697 views
Make a tree diagram of all the possible arrangements of the word veer
1. 0 answers
2. 609 views
What may have been one cause for the relative lack of artistic production in Florence during the High Renaissance (after the
1. 1 answer
2. 496 views
A certain substance has a heat of vaporization of 55.30 kJ/mol. At what Kelvin temperature will the vapor pressure be 3.50 times
1. 1 answer
2. 612 views
I got all of them so far EXCEPT this one... help? Thank you!Convert the following into scientific notation: 1/137
1. 1 answer
2. 1,116 views
I'm having a hard time with significant figures. Any help would be appreciated.The first one is 0.0000000502. I put that it has
1. 1 answer
2. 648 views
1. Describe the linear programming situation for this system of inequalities.x<(or equal too)1 y>(or equal too)0 3x + y<(or
1. 2 answers
2. 777 views
It takes you 7.3 min to walk with an averagevelocity of 1.5 m/s to the north from the bus stop to the museum entrance. How far
1. 2 answers
2. 1,037 views
a couple part in a car on moonlit evening. Find that their car is stop in the sand. The women having studied physics, ties a
1. 1 answer
2. 488 views
water leaves a hose at a rate of 1.5kg/s with a speed of 20m/s and is aimed at the side of a car, which stops it (splashing back
1. 2 answers
2. 2,203 views
suppose the glider is initially at rest at x=0, with the spring unstretched. You then apply a constant force in the +x direction
1. 1 answer
2. 552 views
suppose the glider is initially at rest at x=0, with the spring unstretched. You then apply a constant force in the +x direction
1. 1 answer
2. 549 views
Prove:sin(x–y)sin(x+y)=sin^2(x)–sin^2(y)
1. 1 answer
2. 358 views
Given the following equation: Na2O + H2O ---> 2 NaOH.How many grams of NaOH is produced from 1.20 x 10^2 grams of Na2O? How many
1. 1 answer
2. 1,931 views
In ABC, vertex C is a right angle. Which trigonometric ratio has the sametrigonometric value as Sin A? A Sin B B Cosine A C
1. 2 answers
2. 4,332 views
Which trigonometric function can equal or be greater than 1.000?A Sine B Cosine C Tangent D none of the above
1. 6 answers
2. 4,535 views
What is the length of the blue line labeled r in the image below? Give your answer in terms of a and b.blue line labeled r
1. 1 answer
2. 3,483 views
how do you wite an equation for the function in a problem like 4x+y=-10?
1. 1 answer
2. 321 views
how do you solve for the function in a problem like 4x+y=-10?
1. 1 answer
2. 304 views
3. A researcher is interested in comparing the Christian maturity level of students who volunteer for community service versus
1. 1 answer
2. 585 views
2. A teacher wants to investigate whether there is a difference between male and female students in the amount of time they
1. 1 answer
2. 763 views
3. A researcher is interested in whether listening to music helps or hinders test-performance. To control for differences in
1. 1 answer
2. 813 views
2. A teacher wants to investigate whether there is a difference between male and female students in the amount of time they
1. 1 answer
2. 1,206 views
1. An LU professor is interested in whether there is a difference between undergraduate students and graduate students in the
1. 0 answers
2. 653 views
1. A researcher is interested in whether students who attend private high schools have higher average SAT Scores than students
1. 1 answer
2. 1,029 views
6. In a study on caffeine and stress, college students indicated how many cups of coffee they drink per day and their current
1. 2 answers
2. 726 views
1How would each of the following affect the accuracy of the calculated neutralizing power of antaid (too high, too low, no
1. 1 answer
2. 512 views
oaincooEdmarAilulq incEle asertdarccteoipPr erIoscrdapm loEcernoict lpaLaeliuc mroipliEeltbe
1. 3 answers
2. 301 views
Use Demoivre's Theorem to find the fourth roots of -16. Leave the four roots in trigonometric form. How the heck do i do this?
1. 1 answer
2. 685 views
What is the equation for the sequence 1, 2, 1/4, 8, 1/16, 32,......
1. 3 answers
2. 426 views
What name is given to figures (wave) to indicate that points are attracted to only certain regions in the plane and no to
1. 0 answers
2. 363 views
You are titrating 35.00 mL of a 1.20 M solution of HCOOH with a strong base. If you add 1.00 mL of a 3.60 M solution of sodium
1. 2 answers
2. 526 views
What is the pH of a 0.94 M solution of HBrO that is also 0.59 M in magnesium hypobromite, the salt of it's conjugate base? The
1. 2 answers
2. 526 views
When a patient’s injured neck is healing, it is often desirable to prevent the weight of the head from pushing down on the
1. 2 answers
2. 1,413 views
How do you fix a loose lever on a faucet?
1. 0 answers
2. 1,114 views
The sum of the measures of the interior angles in a polygon is 540 degrees. How many sides does the polygon have?
1. 1 answer
2. 2,621 views
1.) A lawnmower engine claims to provide 18 hp of power and 6.25 ft lb of torque. If this is true, what must be the rotational
1. 0 answers
2. 584 views
A cylinder with a valve at the bottom is filled with an ideal gas. The valve is now opened and some of the gas escapes slowly.
1. 0 answers
2. 946 views
How do I set up my equation to determine what the pH will be when the concentration of Fe^3+ is reduced to 10^-7? The previous
1. 3 answers
2. 430 views
A particle is moving along the curve y = 2 √{3 x + 7}. As the particle passes through the point (3, 8), its x-coordinate
1. 0 answers
2. 591 views
Gravel is being dumped from a conveyor belt at a rate of 50 cubic feet per minute. It forms a pile in the shape of a right
1. 1 answer
2. 621 views
Mummification Process
1. 1 answer
2. 444 views
How do you write an expression for...the value in cents of 5 quarters? Thank You
1. 1 answer
2. 720 views
This is what I have. Could you please correct my work? Thank you.Compute the equilibrium constant for Ni^2+ (aq) and Cd (s).
1. 3 answers
2. 555 views
What am I doing wrong? I am trying to balance the equation:NO3^-(aq)+Sn^2+(aq)-->Sn^4+(aq)+NO(g) here are the coefficients I
1. 1 answer
2. 407 views

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