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Valerie

Questions (205)

You are interested in seeing if a new test will help to determine who will be successful in a training program. The current rate
1. 1 answer
2. 630 views
Two sides of a triangle measure 7 cm and 15 cm . Which of the following could not be the length of the third side ?A. 5 cm B. 9
1. 1 answer
2. 3,464 views
A Ferris wheel has a radius of 10 meters and is revolving 6 times each minute (wheel's frequency.) The wheel's center is 12
1. 1 answer
2. 784 views
Translate the graph of y=sinx to the right by pi units, and then reflect this curve about the x-axis what graph result?
1. 1 answer
2. 749 views
a 5 kg crate falls from a height of 2.0 m into an industrial spring scale. When the crate comes to rest the compression of the
1. 1 answer
2. 604 views
Please help me, I need to make a Lesson Plan on diversity, for Pre-k, I choose a story book, of children from different parts of
1. 3 answers
2. 644 views
Write a class “Program1” that has the method “allLess” (below) that receives two arrays of integers andreturns true if
1. 1 answer
2. 579 views
I am doing my summer reading for 9th gradereading assignment & need to write about 10 passages from a variety of literary terms.
1. 4 answers
2. 1,025 views
Blossom's Flowers purchases roses for sale for Valentine's Day. The roses are purchased for $10 a dozen and are sold for $20 a
1. 1 answer
2. 1,114 views
A speck of charged dust with a mass of 39mu g. is kept levitating by putting it in an electric field. If you must apply a field
1. 0 answers
2. 474 views
The rectangular coils in a 201-turn generator are 14 cm by 17 cm. What is the maximum emf produced by this generator when it
1. 0 answers
2. 492 views
A particle with a charge of 31 µC moves with a speed of 62 m/s in the positive x-direction. The magnetic field in this region
1. 1 answer
2. 527 views
A particle with a charge of 31 µC moves with a speed of 62 m/s in the positive x-direction. The magnetic field in this region
1. 0 answers
2. 468 views
Two trains with 112-Hz horns approach one another. The slower of the two trains has a speed of 26 m/s. What is the speed of the
1. 1 answer
2. 1,348 views
Consider the following reaction:HCN <--> H+ + CN- delta H = 315kJ If 1.00 mole of CN- in the form of NaCN was added to
1. 1 answer
2. 511 views
A solenoid is 3.2 m long and has 500 turns per meter. What is the cross-sectional area of this solenoid if it stores 0.32 J of
1. 1 answer
2. 994 views
Consider the RL circuit shown in the figure, where R = 5.0 Ω and L = 4.6 H. How much energy is stored in the inductor after the
1. 1 answer
2. 858 views
What would the boiling point be of 300 ml with 40 g CuCl2 dissolved in it?
1. 1 answer
2. 337 views
What would the boiling point be of 300 ml with 40 g CuCl2 dissolved in it?
1. 0 answers
2. 323 views
What would the boiling point be of 300 ml with 40 g CuCl2 dissolved in it?
1. 0 answers
2. 333 views
A magnetic field increases from 0 to 0.09 T in 3.0 s. How many turns of wire are needed in a circular coil 20 cm in diameter to
1. 1 answer
2. 542 views
A single-turn square loop of side L is centered on the axis of a long solenoid. In addition, the plane of the square loop is
1. 1 answer
2. 1,886 views
A single conducting loop of wire has an area of 7.4 10-4 m2 and a resistance of 110 Ω. Perpendicular to the plane of the loop
1. 1 answer
2. 1,092 views
In Oersted's experiment, suppose that the compass was 0.30 m from the current-carrying wire. If a magnetic field of 1/3 the
1. 1 answer
2. 3,035 views
To construct a solenoid, you wrap insulated wire uniformly around a plastic tube 12 cm in diameter and 45 cm in length. You
1. 1 answer
2. 3,358 views
How do I factor y^3 + y^2 -4y -4
1. 1 answer
2. 338 views
A 11-V battery is connected to three capacitors in series. The capacitors have the following capacitances: 5.3 µF, 10.7 µF,
1. 1 answer
2. 767 views
A parallel-plate capacitor is made from two aluminum-foil sheets, each 3.90 cm wide and 10.3 m long. Between the sheets is a
1. 0 answers
2. 781 views
As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and a cloud at an altitude of
1. 0 answers
2. 869 views
While rearranging a dorm room, a student does 286 J of work in moving a desk 1.3 m. What was the magnitude of the applied
1. 1 answer
2. 546 views
While rearranging a dorm room a student does 286 J of work to move a desk 1.3 m. What was the magnitude of the applied
1. 0 answers
2. 416 views
What is the lewis dot structure for copper?
1. 0 answers
2. 1,131 views
The Americans with disabilities act requires that wheelchair ramps have a slope no greater than 1/12 what is the minimum
1. 1 answer
2. 1,109 views
Assume that 7.2 L of I2 are produced at STP according to the following balanced equation:2KI+Cl - 2KCl+ I2 How many grams of KI
1. 1 answer
2. 405 views
Assume that 7.2 L of I2 are produced at STP according to the following balanced equation:2KI+Cl - 2KCl+ I2 How many grams of KI
1. 1 answer
2. 775 views
Assume that 7.2 L of I2 are produced at STP according to the following balanced equation:2KI+Cl - 2KCl+ I2 How many grams of KI
1. 1 answer
2. 480 views
5. A water wheel has a radius of 60 feet, and the center is 14 feet above the water level. The water wheel makes a complete
1. 1 answer
2. 993 views
If the potential energy is 1962000 what is the kinetic energy of a boulder weighing 200 kg
1. 0 answers
2. 363 views
5. If the average adult produces $90,000 of output per year, how much output is lost as a resultof adult deaths from secondhand
1. 4 answers
2. 775 views
What is the pH of a 0.50 M solution of NaNO2 if the Ka of H20x = 4.5 x 10^-4. I know that you use the Ka to find Kb and solve
1. 3 answers
2. 3,054 views
Xylem dries up and dies what is the effect
1. 7 answers
2. 1,912 views
If a number has a 9 in the ones place,it is always divisible by 3
1. 2 answers
2. 356 views
Can anyone please explain these problems to me?? I really need help!I need to simplify these trig expressions but I don't
1. 1 answer
2. 654 views
Use bond energies (Table below) to estimate H (kJ) for the following gas-phase reaction:(CH3)2CHOH(g) ==> (CH3)2C=O(g) + H2(g)
1. 0 answers
2. 1,080 views
Mrs. Klein made some tarts. She sold three fifths of them in the morning and one fourth the remainder in the afternoon. If she
1. 1 answer
2. 1,678 views
Ions are electrically charged particles that are formed when certain compounds are dissolved in water. These solutions will
1. 1 answer
2. 1,288 views
As temperature rises, solids generally become more soluble in water, but gases become less soluble. If a soft drink contains
1. 2 answers
2. 573 views
Amniotes vertebrates are generally classified into three orders: Reptilian, Ayes (birds), and Mammalian. Of the following, which
1. 2 answers
2. 407 views
Chemical fertilizers stimulate plant growth; but if the concentration is too high, they may damage roots. What precautions
1. 2 answers
2. 1,168 views
Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two
1. 2 answers
2. 551 views
How do you solve this?28!/(28-28)!28! * 0.88^28 *0.12^28-28 I need help on how to solve this on a graphing calculator(TI-83
1. 0 answers
2. 401 views
Ms. Ferguson who is practically blind has testified that she saw the defendant stab the victim in the twilight shawdows a 100
1. 0 answers
2. 413 views
Ok, we're are supposed to do a one page annual report on oncology and I'm having trouble understanding exactly what I'm supposed
1. 3 answers
2. 692 views
The town of appleville recorded the following dates and populations.YEAR POPULATION 1985 51.5 1985 53 1990 56 1995 62 Estimate
1. 8 answers
2. 1,115 views
Use patterns or a linear equation to complete the table.11) x y 1 -1 3 3 5 7 10 ? 50 ? 100 ? I don't understand what I'm suppose
1. 6 answers
2. 547 views
Write the answer to the problem as an algebraic expression. (Tell how you got your answer.)1. Today the Center City baseball
1. 1 answer
2. 499 views
Tell whether the quantity is constant or variable.1. The price per gallon of gasoline. 2. The distance between Chicago and
1. 2 answers
2. 2,022 views
Three blue and five red balloons are each tied to a string and the strings are held together. If one of the strings is selected
1. 1 answer
2. 387 views
If each angle of a regular polygon measures 140 degrees, how many sides does it have?
1. 2 answers
2. 1,099 views
How many ways can 5 people be arranged in a straight line if there are 12 people to choose from
1. 4 answers
2. 734 views
In how many ways can 7 people line up for plane tickets?
1. 4 answers
2. 660 views
Make a table to display your answer.When a coin is tossed four times, sixteen equally likely outcomes are possible as shown
1. 1 answer
2. 493 views
A contractor is considering a sale that promises a profit of $30,000 with a probability of .7 or a loss of $4,000 with a
1. 1 answer
2. 676 views
Suppose you buy 1 ticket for $1 out of a lottery of 3,000 tickets. If the prize for the one winning ticket is to be $1,000, what
1. 1 answer
2. 563 views
35.0 g of an organic compound dissolved in 500. g of water have a freezing point of -3.72 degrees C. What is the molecular
1. 1 answer
2. 712 views
Graph the equationsy=2|x-5|+2
1. 1 answer
2. 292 views
#3 Choose the end behavior of the graph of the polynomial function.f(x) -x(x-3)(5x+2), I think I have to foil to get
1. 1 answer
2. 645 views
#2 Choose the end behavior of the graph of the polynomial function.f(x) 3x^3+3x^2-6x-5. I got Falls to the left and rises to the
1. 1 answer
2. 662 views
Choose the end behavior of the polynomial function. f(x)= -5x^5-9x^2+6x+1.I got left end up right end down. Is this right?
1. 1 answer
2. 1,015 views
Ok Dr. Russ helped me find one part of the question, but I still can't figure out the values of x that maximizes volume = in.
1. 1 answer
2. 1,081 views
On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced creases are made. The cardboard
1. 3 answers
2. 7,019 views
I'm trying to solve this problem: What sinking fund payment would be required at the end of each three-month period, at 8%
1. 1 answer
2. 532 views
A farmer wants to create a rectangular pen, which will be divided into six separate sections, as shown in the accompanying
1. 1 answer
2. 1,111 views
A researcher is interested in estimating the noise levels in decibels at area urban hospitals. She wants to be 90% confident
1. 1 answer
2. 496 views
The diameters of apples in a certain orchard are normally distributed with a mean of 4.77 inches and a standard deviation of
1. 0 answers
2. 804 views
Assume that the population of heights of male college students is approximately normally distributed with mean m of 70.63 inches
1. 0 answers
2. 628 views
A sample of 134 golfers showed that their average score on a particular golf course was 87.43 with a standard deviation of 4.53.
1. 0 answers
2. 589 views
Given a level of confidence of 99% and a population standard deviation of 12, answer the following:(A) What other information is
1. 0 answers
2. 956 views
Looking for help with some of my stats homework, I got parts of it but then hit a brink wall. Any help would be welcome.A
1. 1 answer
2. 518 views
Why did Airhead eat the dollar he brought to school
1. 13 answers
2. 3,156 views
Suppose you buy a 7% coupon, 20 year bond today when it's first issued. If interest rates suddenly rise to 15%, what happens to
1. 1 answer
2. 1,203 views
Find the general solution for the equation 4tanx+cotx=5?????? and the steps please? THANYOO!
1. 1 answer
2. 1,940 views
I was wondering if someone could tell me how I can improve my thesis statement/opening paragraph. I'm writing an essay on hamlet
1. 2 answers
2. 634 views
The composition of a propane clathrate was found to contain 40.1 mL of water.Assuming that all the cavities of the clathrate was
1. 0 answers
2. 437 views
Would it make sense to say:"He hopes the violence would soon be assuaged"?
1. 1 answer
2. 450 views
can someone confirm that the functional group of cocaine is the ch3n group.thanks
1. 1 answer
2. 443 views
Find probability that a randomly selected TV will have replacement time less than 6 yrs.mean is 8.2 yrs standard deviation is
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2. 431 views
Choose the probability as a fraction in lowest termsa.5/164490480 b.5/1370754 c.1/1370754 d.1/164490480 determine probability of
1. 2 answers
2. 522 views
a thunderclap 200m away delivers 3.75E^-5 W/m^2 of sound.What is the sound level in decibels? What is the intensity of the sound
1. 1 answer
2. 459 views
If I put $5,000 in a CD for a miniumum of 3 years, the bank will offer 3.25% interest. How much interest will I earn after 6
1. 1 answer
2. 430 views
Do all sedimetary rocks react with Hydrochloric acid?Check this site for your answer.
1. 0 answers
2. 570 views
What is the total mass of the earth's atmosphere? The radius of the Earth is 6.37E6 m, and atmospheric pressure at the surface
1. 0 answers
2. 679 views
what is the old japanese art of growing small trees called?bonsai
1. 0 answers
2. 446 views
I need to learn the different meters and rhyming patterns of poetry??Thank you for using the Jiskha Homework Help Forum. First
1. 0 answers
2. 738 views
This is like the other one I posted about. I have to predict the product.Zinc (s) + sulfuric acid (aq) ----> ____ Please and
1. 0 answers
2. 611 views
Can someone please help me with this problem? Predict the products.Aluminum(s) + hydrochloric acid (aq) ---> ________ aluminum
1. 0 answers
2. 479 views
Can someone please help me do this problem? That would be great!Simplify the expression: sin theta + cos theta * cot theta I'll
1. 0 answers
2. 1,043 views
I am doing a descriptive writting report on a famous place in Europe and I chose the Louvre Museum. I can't seem to find really
1. 0 answers
2. 557 views
Can somebody please help me with these problems?Factor the expression on the left side of each equation. Then solve.
1. 0 answers
2. 525 views
We must truly become our brothers’ and sisters’ keepers.Is this written correctly? OR should it be We must truly become our
1. 0 answers
2. 574 views

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