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Leah
Questions and answers by
Leah
, page 2
Questions (319)
Gind the force between charges of +10.o uC and -50.0 uC located 20.0 cm apart
4 answers
1,456 views
Could someone remind me how to calculate this on the TI-84 Calculator:
Which buttons do I hit for this: 3 * 10^8/5.4 * 10^14 I'm
1 answer
389 views
Could someone remind me how to calculate this on the TI-84 Calculator:
Which buttons do I hit for this: 3 * 10^8/5.4 * 10^14 I'm
1 answer
334 views
Could someone remind me how to calculate this on the TI-84 Calculator:
Which buttons do I hit for this: 3 * 10^8/5.4 * 10^14 I'm
3 answers
367 views
You want to estimate the mean amount spent by customers at a local gas station with 98% confidence and a margin of error of no
2 answers
1,119 views
Space C has a base of 20 feet and a height of 24 feet and the two sides are both 26 feet (it is a parrallogram).... Space c will
1 answer
378 views
A music store offers a prize to a computer who can guess the closest, the number of jelly beans that fill a litre jar on the
1 answer
496 views
(4y + 5) /2 = y + 9? Can you please help me solve this?
3 answers
425 views
A solution contains a mixture of Cl- and Br- ions. Can both be positively identified? Briefly explain and write appropriate
1 answer
749 views
Which of the flowing formulas a correct rewriting of the formula a=6b - 12?
A. b= a- 12/6 B. b= a + 12/6 C. b= a/6 + 12 D. b= 6a
1 answer
296 views
when 5.00 g of CaCl2 dissolves in 50.0g of water, what is the boiling point of the solution
2 answers
866 views
Maximize P = 2x − 3y
subject to x + 2y ≤ 14 6x + y ≤ 18 x ≥ 0, y ≥ 0
1 answer
437 views
Solve the linear programming problem by the method of corners.
Minimize C = 5x + y subject to x + 3y ≥ 43 x + y ≥ 27 x ≥ 0,
2 answers
1,298 views
Solve the linear programming problem by the simplex method.
Maximize P = 10x + 6y subject to x + y < 80 3x < 90 x > 0, y > 0 x =
3 answers
1,777 views
Solve the linear programming problem by the simplex method.
Maximize P = 5x + 4y subject to 3x + 5y < 78 4x + y < 36 x > 0, y > 0
4 answers
2,831 views
Solve the linear programming problem by the simplex method.
Maximize P = 27x + 27y + 36z subject to x + y + 3z < 15 4x + 4y + 3z
2 answers
940 views
A company manufactures two products, A and B, on two machines, I and II. It has been determined that the company will realize a
1 answer
1,156 views
What type(s) of intermolecular forces allow CO2 to dissolve in water? Do CO2 and H2O have a relatively strong or weak attraction
1 answer
522 views
How do you compute the additional work done after a stretch-chorten cycle?
1 answer
290 views
A book is moved once around the edge of a tabletop with dimensions 1.75m x 2.25m. If the book ends up at the initial position,
1 answer
677 views
Jan is on year younger than her brother Bill and on year older then her sister Sue. The sun of the three children ages is 57.
2 answers
510 views
Can you show me how to find the rectangular equation of r=2costheta + 3 sin theta
All I need is an example to work off I was
3 answers
430 views
Can you show me how to find the rectangular equation:
r=2cos(theta) + 3 sin (theta) All I need is an example to work off I was
3 answers
490 views
I have two questions about these Emily Dickinson's "Wild Night"
1.Which best describes the rhyme in the second stanza--internal
3 answers
1,875 views
A constant torque of 27.2 N · m is applied to
a grindstone for which the moment of inertia is 0.158 kg · m2. Find the angular
3 answers
1,453 views
A heavy-duty stapling gun uses a 0.162-kg metal rod that rams against the staple to eject it. The rod is pushed by a stiff
4 answers
2,140 views
A person pushes a 11.0 kg lawn mower at constant speed with a force of 76.0 N directed along the handle, which is at an angle of
2 answers
929 views
Please help write a reaction on this Article, I want to give good presentation. How can I make it interesting? Thank you! So,
1 answer
388 views
The perimeter of a regular pentagon is 35in. What is the lenght of one side of the pentagon? Show your work.
4 answers
1,826 views
1. An airplane is flying at 36,000 feet directly above Lincoln, Nebraska. A little later the plane is flying at 28,000 feet
1 answer
830 views
Verify the identity & Justify the step.s
cot (theta-pi/2)=-tan theta
1 answer
487 views
a 15 kg bucket is raised to paint a ladder with an acceleration of 3 m/s.^2 what is the tension in the rope?
1 answer
349 views
A saturated solution of sodium nitrate at 70oC is cooled to 40oC. How many grams of precipitate are formed?
5 answers
488 views
You are driving your car at a constant speed down the freeway. You are using 42 horsepower to do this. If the air resistance and
1 answer
404 views
A baseball is hit at ground level. The ball is observed to reach its maximum height above ground level 3.0 s after being hit.
4 answers
3,919 views
The height of an equilateral triangular prism increases by one unit. The new lateral area is more than the original by how much?
1 answer
426 views
It requires 37.0 mL of a sodium hydroxide soltution to neutralize 0.75 grams of phosphoric acid. Using a balanced equation,
1 answer
468 views
Explain how a barometer (mercury barometer) works using the kentic molecular theory
1 answer
418 views
What are some political, economical, and social effects on the Cold War?
3 answers
469 views
How would I evaluate these trig functions without using a calculator? U:
sin(-13π/6) cot 11π/6 cot(-14π/4) sec 23π/6 Thanks
1 answer
504 views
a current is passed through 500 mL of a solution of CaI2. the following electrode reactions occur:
anode: 2I- ---> I2 + 2e-
4 answers
1,678 views
Which of the following most distinguishes an epic from a mock epic?
A. its subject matter B. its style C. its vocabulary D. its
3 answers
707 views
Hi I am not good with math. Please tell me how to differentiate mixed numbers, order of operation,subtraction, divide and
1 answer
365 views
At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 5.4 m/s. A player cannot touch the
3 answers
1,367 views
This is just a question that I was curious about,
why do mountain belts run parallel to coastlines? Thanks
1 answer
313 views
Evaluate the ways in which the legacy of slavery has prevented the United States from building a more just society, supporting
2 answers
911 views
Please help me on this question. Thanks!
One pole measured 1.35m and the smaller pole measured 0.83m. They needed to be tied
6 answers
450 views
When you do 100 J of work on the handle of a bicycle pump, the pump does 40 J of work pushing the air into the tire. What is the
5 answers
1,287 views
A river does 6,500 J of work on a water wheel every second. The wheel's efficiency is 12%.
a. How much work in joules can the
1 answer
629 views
John is using a pulley to lift the sail on his sailboat. The sail weighs 150 N, and he must lift it 4.0 m.
a. How much work must
3 answers
2,406 views
what are the products when water,ferric chloride and ammonium thiocyanate are combined?
1 answer
423 views
Need help on a lab results write-up. The lab is the synthesis and analysis of a transition metal complex. General reaction was
1 answer
358 views
You are standing on top of a building that is 75-m high and you throw a 4-kg stone horizontally at a speed of 6.6-m/s. How far
1 answer
465 views
Hi,
I really need help in understanding how to solve trig equations. How do you solve this equation? Solve the equation on the
2 answers
582 views
Please help with this question that has been bothering me! I take bio college class and we have graduate/student assistant for
5 answers
531 views
If the Kb of a weak base is 1.5 × 10^-6, what is the pH of a 0.25 M solution of this base?
I found that I need to use the
3 answers
1,174 views
Stuart needed to purchase cleaning supplies for his company. He purchased 15 rolls of paper towels for $0.65 each, 15 bottles of
1 answer
347 views
Which sentence below has a missing antecedent?
A Many people are planning to attend the race, so we should get to the park early.
4 answers
878 views
Calculate d/dt when a=t^2, b=2 and sqrt(x+1)dx.
My answer turns out to be incorrect despite my checking it several times. I got
3 answers
330 views
Suppose the block is released from rest with the spring compressed 5.50 cm. The mass of the block is 1.60 kg and the force
3 answers
742 views
There were two independent groups who took a school course by different modes. The first sample of students took the course in
1 answer
385 views
Using Hooke's Law (F=kx) determine:
A) A weight of 5 pounds stretches a certain spring from its natural length of 10.2 inches to
2 answers
653 views
How much is $20,000 compounded annually at 6% for 35 years? Thank you.
Please show solution
2 answers
529 views
A recent cash budget showed estimated cash receipts of $159,000, estimated cash disbursements of $155,000, and a desired ending
1 answer
496 views
How would you solve this word problem in one variable inequality form?
One cell phone company offers a plan that costs $29.99 and
4 answers
3,561 views
Sally and Marta had the same number of postcards. After Sally sold 18 of her postcards, Marta had 4 times as many postcards as
6 answers
1,517 views
Which analogy would best go with this one? branch:tree::
A. flower:garden B. teo:three C. tentacle:octopus D. near:far
2 answers
506 views
Which Anology would go best with this one? Pond:lake::
A. man:child B. water:sream C. lake:sea D. dusk:night
3 answers
362 views
Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!!
1. Jova
2 answers
876 views
Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!!
6.The
2 answers
680 views
Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!!
1. Jova
1 answer
683 views
Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!!
6.The
2 answers
570 views
Show all steps and Find the maximum revenue for the revenue function R(x)= 360x - 0.05x^2
4 answers
720 views
What would the equation look like if the line is perpendicular to y=x+2 and has a y-intercept of 0?
1 answer
335 views
What is the equation look like when the line is perpendicular to y= 4-3x and has y intercept of 3/4?
1 answer
338 views
What would the equation look like when the line is perpendicular to x+2y=10 and has a y-intercept of -10
1 answer
317 views
What would the equation look like when the line is perpendicular to 2x-3y+1=0 and has Y- intercept of 2/3
1 answer
328 views
What would the equation look like when the line is perpendicular to 2x-3=4y and has Y- intercept of -5/4
1 answer
294 views
What would the equation look like when the line is parallel to y=-2x+3 and has a Y-intercept of -1
1 answer
278 views
What would the equation look like when the line is parallel to y= 3/4x-3 and has a Y-intercept of 3
1 answer
322 views
What would the equation look like when the line is parallel to y= -x+1/2 and has a Y-intercept of -2
1 answer
319 views
What would the equation look like when the line is parallel to 2x-3y=1 and has a Y-intercept of 0
1 answer
294 views
What would the equation look like when the line is parallel to x=3y-2 and has a Y-intercept of -3/2
1 answer
355 views
What would the equation look like when the line is parallel to x-y+1=0 and has a Y-intercept of 3/4
1 answer
307 views
An appliance is on sale at 30% discount. If the sale price is $42.00, what was the original price of the appliance?
4 answers
343 views
Determine the term of a $46000 investment with an interest rate of 3.9%, compounded monthly, if the future value is $100000.
2 answers
686 views
Kelly is planning to renovate her house. She intends to spend $200000. She invests $150000 in an account at 5.3% interest,
4 answers
650 views
Bathsheba is saving up for the down payment on a farm. She invests $30000 at 5.2% interest, compounded quarterly, for 4 years.
3 answers
454 views
Forty eight weeks ago, Gabriella invested money at 3.9% interest, compounded weekly. Today, her investment is worth $225.50. How
2 answers
613 views
Jie is investing $15000 and is choosing between two options.
With Option A, the investment is compounded semi-annually and will
4 answers
677 views
48 weeks ago, Gabriella invested at 3.9% interest, compounded weekly. Today, her investment is worth $225.50. How much interest
3 answers
1,153 views
Mark wants to buy a car in 15 months, when he graduates. He estimates the car he wants will cost $12 500. Mark has just invested
1 answer
737 views
A company replaces their cars every 6 years. A car is worth $13520 after 2 years. The company uses a depreciation rate of 35% a
2 answers
1,066 views
The pressure in an automobile tire is 1.85 atm at 27.0°C. What will be the pressure if the temperature increases to 38.0°C?
2 answers
645 views
Explain the path of deoxygenated blood from the right atrium to the lungs
2 answers
593 views
One hundred tickets are sold for a raffle. Three prizes are awarded.
What is the probability that Andy wins first prize, Brianna
3 answers
684 views
Five cards are dealt from a shuffled deck of 52. Find the probability that:
a) The hand has 3 spades and 2 hearts. b) The hand
7 answers
615 views
A bag contains 5 red, 3 green, and 6 marbles. If a child grabs three marbles, find P(at least 2 blue marbles).
2 answers
644 views
In Lotto 649, find the probability that:
a) You have all six correct numbers. b) You have three correct numbers.
1 answer
446 views
A paper bag contains a mixture of three types of treats: 12 granola bars, 10 fruit bars, and 8 cheese strips. Suppose that you
3 answers
1,505 views
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