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I am given a quad. and asked what values x and y must be to make the quad. a parallelogram. One side says 26 and the opposite side of that says 3x-y.
Explain what is meant by the terms hydrostatic pressure and hydrodynamic pressure? Which of these terms can be used when discussing cardiac output?
The magnitudes of the four displacement vectors shown in the drawing are A = 15.0 m, B = 11.0 m, C = 11.0 m, and D = 23.0 m. Determine the (a) magnitude and (b) direction for the resultant that occu
Describe how the enzyme assay could still be used accurately even if maltose is already present in the test solution prior to the enzyme assay?
Can the terms ‘mass' and ‘weight' be used interchangeably - explain. Complete the following questions about nuclear radiation.
A gas cylinder containing 3.88 mol of helium has a pressure of 549 mm Hg at 298 K.If 1.22 mol of neon is added to this cylinder, at constant temperature and volume, the pressure will rise to 1750 mm
In any triangle, the sum of the measures of the angles is 180°. in a triangle ABC, angle A is four times as large as angle B. Angle C measures 20° less than angle B. Find the measure of each
Which one has a stronger hydrogen bonding HO-H...OH2 or HS-H....SH2 ("..." indicated the location of hydrogen bonding)? Why?
Assume it takes 7.00 minutes to fill a 30.0-gal gasoline tank. Calculate the flow rate of the gasoline in cubic meters per second.
If the density of benzene is 0.8766 g/mL, calculate the volume of benzene in the drum. Be sure to consider the units and significant figures.
During lightning flashes nitrogen combines with oxygen in the atmosphere to form nitrogen monoxide, NO, which then reacts further with O2 further to produce nitrogen dioxide, NO2.
Zinc reacts with 100. mL of 6.00 M cold, aqueous sulferic acid through single replacement. How many grams of zinc sulferic are produced? How many liters of hydrogen gas would be realeased at STP?
The following reaction represents the decomposition of water: How many molecules of hydrogen are produced from the decomposition of 12.2g of water into its elements?
In an experiment, 23.4g of iron sulphide, FeS (s) are added to excess oxygen, and 16.5 grams of iron (III) oxide, Fe2O3(s) are produced. the balanced equation for the reaction is: Calculate the prec
A proton is moving parallel to a uniform electric field. The electric field accelerates the proton and increases its linear momentum to 4.00 10-23 kg·m/s from 1.20 10-23 kg·m/s in a ti
Lee is explainig the lesson on minimum perimeters to Greg. He says to construct a rectangle with the lowest possible perimeter from 38cm of material, the dimensions have to be 18cm and the width 1cm
Your friend's mass is 65kg. If she jumps off a 110-cm high table, how far does the Earth move toward her as she falls? A 2.4kg object is moving along the x-axis at 1.55m/s.
The manager of a small business receives a shipment of five hard drives. Three hard drives are good and 2 are defective. If a computerrepairshop purchases 3 of this stock of hard drives from the sm
How many quarts of pure antifreeze must be added to 6 quarts of a 10% antifreeze solution to obtain 60% antifreeze solution?
Bats can produce and hear sounds w/ frequencies up tp 100000 Hz. a) what is the wavelength of the sound?
Discuss the discrete and orthogonal polynomials to least square approximations. Provide at least one example on each case to support your discussion.
An empty beaker weighs 41.19 g. When it is completely filled with water (density = 1.0 g/mL), the beaker weighs 92.92 g. (a) How many grams of water have been added to the beaker?
A saleswoman is working on a 3% commission basis. If she wants to make $3,000 in one month, how much must she sell?
What is the tidal acceleration between your head and your toes due to the Moon? And what due to the Earth? How do these compare to the acceleration due to the Earth's gravity?
The speed of sound is 343 m/s. At what frequency does the driver of the car hear the ambulance's siren? Answer in Hz.