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Bruce
Questions (74)
in algebra A quadratic equation can be written in vertex form or in standard form. Sometimes one form is more beneficial than
1 answer
219 views
in algebra A quadratic equation can be written in vertex form or in standard form. Sometimes one form is more beneficial than
1 answer
133 views
A compound Y containing C,H and O only was burnt in a stream of pure oxygen. The carbon(iv)oxide and water produced were
1 answer
173 views
1. Why is the second paragraph important to this passage?
1 answer
234 views
If gas costs $5.50 per gallon, and a car gets 20 miles to the gallon, and the car travels 162 miles, how much will that trip
1 answer
484 views
Create one function that satisfies all the following conditions and explain your choices:
-The instantaneous rate of change at
1 answer
305 views
Which intensive pronoun should be added to emphasize we in the sentence?
1 answer
361 views
Calculate the surface area of the scaly cushion.
Rectangular=length=1m Width=60cm Height=12cm
1 answer
230 views
4x^2=4x-1
1 answer
200 views
What volume (in mL) of 1.0 M HCl is required to prepare 500 mL of pH 7.76 buffer using triethanolamine that is 0.020 M in both
1 answer
421 views
Let S be a sequence of exactly one positive integers, n. what is the least number of 1s needed to be added to make it graphical?
0 answers
445 views
In the laboratory you will be provided with a 1.0 x 10-5 M primary stock solution of fluorescein (MW=332.31g/mol). The
0 answers
610 views
If a person is charged 1.5 cents per mile,how much will he have to pay after he drives one thousand miles?
2 answers
483 views
The movement of air and water through a soil is influenced most by the soil’s ______
0 answers
515 views
I don't know what to study after grade 12 or where to study I don't have a career choices can someone please help me
3 answers
634 views
write the expression in expand form
(4.2z)(-5y-3)
2 answers
836 views
In the figure, a thin uniform rod of mass m = 3.05 kg and length L = 1.11 m rotates freely about a horizontal axis A that is
0 answers
1,207 views
You have 100 pieces of candy in five bowls. The sum of candy in bowl a and bowl b is 30 pieces. The sum of candy in bowl b and c
1 answer
589 views
A liquid has a delta(Hvap) of 35.5 kJ/mol and a boiling point of 122 C at 1.00atm. What is its vapor pressure at 113 C?
0 answers
1,162 views
At a given temperature and pressure how does the magnitude of the heat of vaporization of a substance compare with that of its
1 answer
616 views
Which solution has the lower freezing point? 11.0 g of methanol in 100. g of water OR 22.0 g of ethanol in 200. g of water?
1 answer
636 views
object 380 ft above surface of globe. Horizon is 65.3 degrees from object.
What is circumference of globe?
0 answers
450 views
HOW MUCH IS YOUR SERVICE?
1 answer
424 views
What is the lim of the square root of x times sin of (1/x) as x approaches infinity
2 answers
1,245 views
The EPA requires hazardous waste incinerators to meet a standard of 99.99% destruction and removal of hazardous constituents
0 answers
546 views
You are tasked with preparing a 500mL nutrient solution containing 5mg/L of phosphorous
(P), 3mg/L nitrate (NO3 -) and 100 mg/L
2 answers
1,302 views
what is the present value of $329 a year for 6 years at a 12 percent discount rate?
1 answer
428 views
12 years at 5% compounded annually what is the future value of $557?
1 answer
442 views
When rolling a die, is this an example of a discrete or continuous random variable?
1 answer
450 views
The variance of the standard normal distribution is equal to
0 answers
395 views
If the highest score is100 and the average score for12 students is 95. What is the lowest score in order to get the average of
1 answer
564 views
The electric field intensity at a point 2 meters from the surface of a uniformly charged conducting sphere is 1920 N/C. At a
1 answer
540 views
There are two polarizing filters that are out of alignment by 30 degrees. If the light of intensity 1.00 W/m^2 and initially
2 answers
1,183 views
A fully charged 90-µF capacitor is discharged through a 60-Ω resistor. How long will it take for the capacitor to lose 80% of
4 answers
1,049 views
A beam of X-rays with a wavelength Ć of 0.179nm is directed at an iron crystal whose planes have a spacing of 0.1013nm. How
2 answers
580 views
What cellular structures must an angiosperm have to survive?
0 answers
390 views
The label on a soft drink states that 11 fl. oz (325 g) provides 285 kcal. The drink is cooled to 12.0°C before it is consumed.
2 answers
602 views
A uniform brass disk of radius R and mass M with a moment of inertia I about its cylindrical axis of symmetry is at a
3 answers
813 views
A sinusoidal wave traveling on a string is moving in the positive x-direction. The wave has a wavelength of 8 m, a frequency of
2 answers
736 views
A particular steel guitar string has mass per unit length of 1.79 g/m. and tension of 61.9 N. For the wave speed to be increased
1 answer
1,397 views
A mass m = 13 kg is connected to two different springs, one on the left and another on the right. It is displaced a distance x
2 answers
731 views
The motion of a block-spring system is described by x(t) = A sin(ùt). Find ù, if the potential energy equals the kinetic
2 answers
568 views
A 3-kg mass attached to a spring with k = 130 N/m is oscillating in a vat of oil, which damps the oscillations.
(a) If the
1 answer
513 views
A certain OTA with a transconductance of 5000 µS has a load resistance of 10 kÙ. If the input voltage is 100 mV, what is the
1 answer
742 views
Calculate the amount of Na2HPO4*7H2O in grams needed to make 50 mL of a 0.40 M solution. I think this is dealing with molarity
3 answers
1,103 views
N+10N=0
1 answer
354 views
Writ an algebric expression for this statement.Ama is N year old now.How old will she be in 10 years.
1 answer
409 views
The initial velocity of a 2.04 kg block sliding down a frictionless inclined plane is found to be 1.24 m/s. Then 1.23 s later,
1 answer
579 views
An 88kg fisherman jumps from a dock into a 131kg rowboat at rest on the west side of the dock. If the velocity of the fisherman
2 answers
1,318 views
How many mL of 1.211 Molarity sulfuric acid is required to completely neutralize 10.0 mL of 3.210 Molarity calcium hydroxide?
1 answer
883 views
Give the molecular, complete ionic, and net ionic equations for the reaction of ammonia with hydrochloric acid.
0 answers
579 views
Give the molecular, complete ionic, and net ionic equations for the reaction of sulfuric acid and barium hydroxide.
0 answers
520 views
What is the concentration of an acetic acid solution if 11.2 mL of 1.002 Molarity sodium hydroxide solution is needed to
0 answers
603 views
How many grams of water are produced from the reaction of 1L of 2 molarity hydrochloric acid with 1L of 2 Molarity barium
0 answers
1,156 views
Give the molecular, complete ionic, and net ionic equations for the reaction of phosphoric acid and magnesium carbonate.
0 answers
504 views
According to the Bronsted-Lowry definition of acids and bases, is water an acid or base? Provide examples to support.
0 answers
1,397 views
Give the molecular, complete ionic, and net ionic equations for the combination of potassium chloride and magnesium sulfate.
0 answers
527 views
Is it possible to have an acid/base reaction and produce a precipitate as a product as well? If yes, provide an example.
0 answers
385 views
Does the mixing of copper (I) nitrate with sodium iodide produce a precipitate? If so, give the molecular equation.
0 answers
694 views
Give the molecular, complete ionic, and net ionic equations for the reaction of barium nitrate and sodium sulfate.
0 answers
635 views
Most chlorides are soluble in water. Give all of the formulae for the insoluble chlorides.
0 answers
451 views
Calculate the pH of a solution created by mixing 200.0 mL of 0.400 M acetic acid and 200.0 mL of 1.00 M sodium acetate. Hint:
0 answers
574 views
Billy has a bag of candy that contains 13 red pieces, 9 green pieces, 3 yellow pieces, and 7 orange pieces. If Billy reaches
1 answer
1,102 views
. Margaret is planning to invest up to $22,000 in certificates of deposit at City Bank and People’s Bank. She wants to invest
1 answer
1,246 views
A point is sliding along a curve y^2 = 1 + cos^3(2x) at whatever speed (even depending on time). Compute the ratio of the rates
1 answer
437 views
A 325.0-g piece of gold at 427°C is dropped into 200.0 g of water at 22.0°C. (The specific heat of gold is 0.131 J/g°C.)
1 answer
1,588 views
What is 1.7^0.3326 = ?
1 answer
887 views
How can I apply critical thinking when evaluating, articles, advertising, media and conversations?
1 answer
1,016 views
Complete a venn digram to compare and contrast
1 answer
672 views
two views of reconstruction
1 answer
464 views
Are fetal-protection policies discriminatory? Why?
1 answer
429 views
I cannot seem to work this problem out correctly as all answers found do not make the equation work.
1/4 - 2/3y = 3/4 - 1/3y
3 answers
713 views
select one region of the world and identify at least two serious environmental problems, such as soil degradation, air or water
5 answers
674 views
Can you help with this one please?
A drop of oil (vol 0.05cm^3) is released on to a calm surface of a pond where it spreads out
0 answers
712 views