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Ryan
Questions and answers by
Ryan
, page 3
Questions (766)
I need to know the rhythm and meter of Billy Collins "Forgetfulness"
2 answers
636 views
Word Problem :
The number has 3 digits the tens digit is half the hundreds digit the number is odd the sum of the digits is 9
1 answer
427 views
How to I solve the pattern 64 __,__,__,32?
1 answer
327 views
The distribution of lifetimes for a particular brand of lightbulbs has a mean of 110 hours and a standard deviation of 20 hours.
2 answers
615 views
The time for an emergency medical squad to arrive at the sports center at the edge of a particular town is normally distributed
2 answers
501 views
What is
Add 1/2x^2 + 1/2x + 1/5 3/5x^2 - 4/5x + 1/3
1 answer
324 views
The time for an emergency medical squad to arrive at the sports center at the edge of a particular town is normally distributed
2 answers
570 views
The time for an emergency medical squad to arrive at the sports center at the edge of a particular town is normally distributed
2 answers
604 views
What is the per capita rate of increase (r) for a population whose per capita birth rate equals 0.1 and per capita death rate
2 answers
554 views
According to the Census Bureau publication Current Population Reports, the probability distribution for household size (number
1 answer
652 views
Doing this assignment and was wondering if i got the right answers
According to the Census Bureau publication Current Population
3 answers
627 views
Quadrilateral ABCD has vertices A(-2,1), B(3,3), C(5,7), and D(0,5). Determine whether line AC is perpendicular to line BD.
2 answers
950 views
If you start out with a 0.4M solution of Histidine at pH 6 and add an equal volume of 0.1M HCl, what would the final pH be?
1 answer
320 views
In parallelogram WXYZ, m<Y = 65 degrees. What are the measures of W, X, and Z in degrees?
4 answers
2,764 views
A 3.60 kg block starts from rest and slides down a frictionless incline, dropping a vertical distance of 2.80 m, before
1 answer
479 views
A cyclist coasts up a 10.3° slope, traveling 17.0 m along the road to the top of the hill. If the cyclist's initial speed is
4 answers
1,321 views
Tarzan tries to cross a river by swinging from one bank to the other on a vine that is 8.8 m long. His speed at the bottom of
1 answer
509 views
Principal: $7,428
Interest rate: 1.85% Time: 1 year Simple Interest:_________________ Fill int he blank
1 answer
371 views
Use the shell method to set up, but do not evaluate, an integral representing the volume of the solid generated by revolving the
3 answers
1,780 views
An airline pilot pulls her 12.0 kg rollaboard suitcase along the ground with a force of 25.0 N for 10.0 meters. The handle she
2 answers
1,006 views
Eight one-inch cube are put together to make a “T”. If the complete figure is painted blue, how many cubes have exactly for
5 answers
asked by
Ryan
1,554 views
Eighty students participate in an after school enrichment program consisting of science and creative writing. If 540 of the
1 answer
474 views
How do you find compositions of functions?
Example: (-x Squared)(x-2/5(8))
1 answer
304 views
A company with 364 employees increases its workforce to 455. What is the percent increases in the workforce?
1 answer
439 views
Lois garden can hold 24 pepper plants and measures 51 square feet. Id Lori increases size of her garden to 104
1 answer
379 views
Help me calculate 6 - 3/4
And place in order greatest to least 1/3, 4/9, 3/4, 5/6, 5/8, 2/3 3/12, 2/5
4 answers
353 views
I need to prepare a standard iron solution by dissolving an appropriate mass of solid Fe(NH4)2(SO4)2*6H2O in water in a 1L
1 answer
473 views
You have 45 coins. Five out of every 9 are heads and the rest are tails. How many coins are heads?
1 answer
453 views
An aqueous KNO3 solution is made using 82.7 grams of KNO3, diluted to a total solution volume of 1.50 L. The density of this
4 answers
1,876 views
The reaction N2O5 --> NO3 + NO2 is first-order in N2O5 and has a rate constant of 0.058/s. Calculate the rate of reaction when
3 answers
911 views
A reaction in which A, B, and C react to form products is zero order in A, one-half order in B, and second order in C. If the
2 answers
1,107 views
A solution is prepared by dissolving 22.8 mL of methanol (d = 0.782 g/mL) in 100 mL of water (d = 1.00 g/mL) so that the final
2 answers
574 views
For the reaction A + 1/2 B --> 2 C, when C is increasing at a rate of 0.018 M/s, how fast is B decreasing?
1 answer
324 views
A dioxin-contaminated water source contains 0.052% dioxin by mass. How much dioxin (in g) is present in 4.2 liters of this
3 answers
1,756 views
A solution contains naphthalene dissolved in hexane at a concentration of 10.40% naphthalene by mass. Calculate the vapor
3 answers
845 views
Calculate the osmotic pressure (in torr) of a solution containing 17.15 mg of hemoglobin (molar mass 6.5 x 104 g/mol) in 12.8 mL
4 answers
1,079 views
The decomposition of XY is second-order in XY and has a rate constant of 0.00895 M-1s-1 at a certain temperature. If the initial
3 answers
463 views
An aqueous solution containing 35.1 grams of an unknown molecular (noneolectrolyte) compound in 152.5 grams of water was found
2 answers
811 views
The decomposition of XY is second-order in XY and has a rate constant of 0.00599 M-1s-1 at a certain temperature. If the initial
1 answer
412 views
The reaction 2 COF2(g)--> CO2(g) + CF4(g) has Kp = 2,001,051 at a certain temperature. What would be the value of Kp for the
2 answers
564 views
Calculate Kp for the reaction N2(g) + 3 H2(g)--> 2 NH3(g) given that the reaction has Kc = 438,880,639 at a temperature of 265.
2 answers
596 views
The reaction CO(g) + 2 H2(g)--> CH3OH(g) was studied using a 5.19 L flask and an initial condition of 26.9 g CO and 2.34 g H2.
1 answer
512 views
The reaction 2 H2S(g)--> 2 H2(g) + S2(g) has Kp = 2.4 x 10-4 at 1073 K. A reaction mixture contains 0.146 atm of H2, 0.041 atm
1 answer
1,145 views
The reaction CO(g) + H2O(g)--> CO2(g) + H2(g) has Kc = 102 at 500 K. If a reaction mixture initially contains 0.154 M CO and
2 answers
536 views
The reaction SO2Cl2(g)--> SO2(g) + Cl2(g) has Kc = 2.99 x 10-7 at 227 degrees C. If a reaction mixture initially contains 0.166
3 answers
1,506 views
Consider the following reaction at equilibrium:
C(s) + H2O(g) CO(g) + H2(g) Predict which of these stresses which cause the
1 answer
1,055 views
Coal can be used to generate hydrogen gas by this endothermic reaction:
C(s) + H2O(g) CO(g) + H2(g) If this reaction is at
1 answer
703 views
Determine ΔSuniv in J/K at a temperature of 272 K given ΔHrxn = 77 kJ and ΔSrxn = 162 J/K.
1 answer
498 views
Determine ΔG in kJ at a temperature of 261 K given ΔHrxn = 91 kJ and ΔSrxn = 151 J/K.
1 answer
354 views
Rank these gases in order of increasing standard molar entropy:
Column preview Smallest S Br2(g) Second smallest S F2(g) Second
3 answers
1,736 views
Calculate ΔG (in kJ) for the reaction:
CO2(g) + CCl4(g) = 2 COCl2(g) at 25oC under the conditions: CO2 = 0.120 atm, CCl4 = 0.162
2 answers
606 views
Use the properties of linear operations with vectors to show that for any vector a:
-> 0a=0
3 answers
362 views
you have 704m of fencing to enclose 3 adjacent plots(not the same size) you must use calculus to fine the dimensions for which
3 answers
365 views
Lead pellets of total mass 0.46 kg are heated to 107 C and then placed in a well-insulated aluminum cup of mass 0.15 kg that
1 answer
463 views
A ball is thrown downwards at 15 degree to and below the horizontal with a velocity of 15m/s from a slope of 10m high. Determine
1 answer
456 views
7136 divided by 8 I am working in a work book and the answer is 892, but I can't figure how? can someone break it down for me.
7 answers
1,830 views
A scout troop is practicing its orienteering skills with map and compass. First they walk due east for 1.5 km. Next, they walk
2 answers
1,249 views
A scout troop is practicing its orienteering skills with map and compass. First they walk due east for 1.5 km. Next, they walk
2 answers
1,167 views
European Union would be what type of Region?
1 answer
344 views
how do you calculate the normal boiling point of PCl3
2 answers
650 views
You take and SRS of size 25 from a population with mean 200 and standard deviation of 10. Find the mean and the standard
3 answers
843 views
Use normal approximation(Z-score for p-hat) to find the probability that student scores 80% or lower on a 100 question quiz.
A)If
2 answers
520 views
How long does it take for the current in an circuit with = 150Ω and = 65mH to reach half its final value?
1 answer
324 views
An rms voltage of 120 V produces a maximum current of 2.6 A in a certain resistor.Find the resistance of this resistor?
3 answers
1,377 views
A motorcycle is traveling at 20 m/s when it enters the test section of a circular track with a 1000-m radius. Once in the test
1 answer
472 views
How much methanol, CH3OH (d = 0.792g/mL), in milliliters, must be dissolved in water to produce 2.15L of 0.470 M CH3OH?
3 answers
1,234 views
How many moles of H2(g) will be formed in the reaction between 0.99 mol CaH2}(s) and 1.32 mol H2O(l)?
1 answer
939 views
Evan is 1.8 metres tall. He walks between two lampposts that are 5 metres apart and notices his shadow from one of the lampposts
1 answer
355 views
A motorboat accelerates uniformly from a ve-
locity of 6.2 m/s to the west to a velocity of 1.7 m/s to the west. If its
3 answers
607 views
Suppose an unknown substance has a melting temperature of 1,200 degrees Celsius and a density of 16.7 g/cm3. However, the
2 answers
629 views
An experiment was conducted where rats could choose to enter one of two corridors, A or B. A random sample of three rats is
1 answer
623 views
Find the limit as x approaches -4 of 4-lxl/4+x
1 answer
315 views
Given that sin theta= 3/5 and the terminal side is in quadrant II, find tan (pi/2 - theta)
3 answers
1,425 views
Given that tan B= 7/24 with B in quadrant III, find sin 2B, cos 2B, and tan 2B, using angle identities.
3 answers
3,066 views
what wil be the next number pattern
1, 2, 4, 8, 16, ? Thanks!
6 answers
211 views
If you have 320.0 mL of water at 25.00 °C and add 110.0 mL of water at 95.00 °C, what is the final temperature of the mixture?
6 answers
8,768 views
Show that the sum of the series ∑n(p^n) from n=1 to infinity (where 0<p<1) is S=p/(1-p)^2
1 answer
420 views
I need to come up with an essay topic that falls somewhere in the field of public administration. I've been drawing blanks, and
1 answer
372 views
what is the minimum amount of force that must be applied to the sled in order to start it moving? the static friction is 0.30
2 answers
1,077 views
The measures of two of the sides of an equilateral triangle are 3x + 15 in. and 7x – 5 in. What is the measure of the third
12 answers
4,539 views
Which of the following substances is capable of reducing bromine, Br2?
Cl- H2 Ni or Au I think its H2
2 answers
588 views
Given: f(x) = 4sin((x/2)-(pi/2))-3, Find the range and domain
1 answer
331 views
Mike has made a rectangle using 48 square tiles. If he adds the length and width of his rectangle together he gets a prime
3 answers
429 views
Find the area of the region bounded by the parabola y = 4x^2, the tangent line to this parabola at (4, 64), and the x-axis.
1 answer
1,171 views
Find the area of the region bounded by the parabola y = 4x^2, the tangent line to this parabola at (4, 64), and the x-axis.
3 answers
2,696 views
Find the volume of the solid generated by revolving about line x = -4 the region bounded by x = y - y^2 and x = y^2 - 3
4 answers
2,060 views
A 1.7 kg otter starts from rest at the top of a
muddy incline 89.2 cm long and slides down to the bottom in 0.60 s. What net
2 answers
1,066 views
Let a force of 1500 Newtons act through a distance of 200 meters on a 1500 kg car which starts from rest.
a. What is the work
6 answers
580 views
�‹m�ÚR = 120�‹ and m�ÚS = 100�‹. Find m�ÚT.
1 answer
288 views
M right angle R= 120 degrees and M right angle S = 100 degrees find mrightangleT
6 answers
3,820 views
Find values of x and y for which ABCD must be a parallelogram. The diagram is not to scale.
2x-2 y+24 5y-8 x+2
4 answers
2,380 views
�‹m�ÚR = 120�‹ and m�ÚS = 100�‹. Find m�ÚT. The diagram is not to scale.
2 answers
711 views
What is the sum of the angle measures of a 37-gon?
3 answers
2,942 views
complete the two-column proof
given: x/6+2=15 prove: x=78
4 answers
1,591 views
Fiven the line F is parallel to line g, find the value of x.
Line f is 3x Line g is 6x+45
4 answers
700 views
name the intersection of plane QMW and plane RMW
5 answers
asked by
Ryan
3,503 views
if EF=9x+14, FG=56, and EG=250, find the value of x.
5 answers
asked by
Ryan
4,695 views
if �ÚAOC=49, m�ÚBOC=2x+10, and m�ÚAOB=4x-15 find the degree of measure of �ÚBOC and AOB
7 answers
2,519 views
Will yeast be able to use sugar substitutes as sterling material for fermentation? Why or why not?
1 answer
316 views
1 and 2 are a linear pair. M1=x-35, and m2=x+83. find the measure of each angle
5 answers
2,786 views
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