Tuesday
October 25, 2016

# Posts by Gina

Total # Posts: 576

algebra
The two smaller angles of a right triangle have equal measures. Find the measure of the smaller two angles, and the measure of the largest angle, in degrees.
October 23, 2016

Algebra
Six less than three times a number is two more than four times the number.find the number
August 10, 2016

Math
Line a intersects line b, forming angles of 135 degrees and 45 degrees. A third line,line c, is perpendicular to line a and forms triangle ABC. What is the measure of the angle between lines b and c? a. 35 degrees b. 45 degrees c. 90 degrees d. 135 degrees e. Can't be ...
July 14, 2016

Math
It doesn't say
July 13, 2016

Math
Daniel drives 30 mph to the toy store and 45 mph back home, taking the same route both ways. If the total trip took two hours, how many total miles does he drive on the round-trip from home to the store and back? Can you please explain how to do it?
July 13, 2016

Algebra
If 4x^2+20x+r=(2x+s)^2 for all values of x, what is the value of r-s? Can you please help me?
July 12, 2016

Math
If 6 drums of oil will heat 5 buildings for 3 days, how many days will 10 drums of oil last when heating 2 buildings? Is it 12.5 days?
June 17, 2016

Spanish
aha i see what you did there Ms. sue
May 17, 2016

geometry
I have a few questions about finding the area. I don't know how to link images on here, so I will just try my best to describe the shapes. First question: What is the area of the figure below? It is a parallelogram connected to a triangle. The spotted line and right angle ...
May 4, 2016

Geometry/Trig
Ok thank you!!
May 3, 2016

Geometry/Trig
In triangle ABC, A is a right angle, and m b=45 degrees. What is the length of BC? If your answer is not an integer, leave it in simplest radical form. a. 16 ft b. 16 sq 2 ft c. 16 sq 3 ft d. 32 ft I'm really confused as to how to do this... Could someone please explain ...
May 3, 2016

Spanish
In the following sentence, which direct object requires the personal a? (I don't really get this question, please help!) a. el tren b. el monumento c. la amiga de mi mama d. el barco Right dow I think that it is el barco but I'm not sure...
May 2, 2016

life orientation
Freedom of movemont 2 A healthy environment 3 equality
April 23, 2016

Spanish
Did you ever find out what it was?
April 21, 2016

Physics
all require energy in the form of electricity
April 11, 2016

philosophy
Of the ethical theories kantian, utilitarian and virtue which approach do you think is best for deciding tough ethical issue?
April 11, 2016

English
Thanks!!
April 3, 2016

English
In Romeo and Juliet, which of the following illustrates Shakespeare's use of comic relief? A) A servant explains to Capulet that cooks should lick their own fingers. B) Capulet believes that Juliet is dead when she is really only sleeping. C) "Honest good fellows, ah...
April 3, 2016

Math
What is the probability of choosing a red or blue gum ball from a bag that contains 14 red, nine blue, and 12 green gumballs.
March 26, 2016

MATHEMATICS
A SECTOR IS USED TO FORM ACONE IF THE RADIUS AND ANGLE OF THESECTOR IS 8CM AND 160 DEGREE RESPECTIVELY CALCULATE, THE RADIUS OF THE CONE ,VERTICAL HEIGHT, VERTICAL ANGLE, VOLUME AND TOTAL SURFACE AREA OF THE CONE
October 19, 2015

Science
Kendell wants to determine if there is a trend in air temperature changes during April. Which procedure should he follow?
October 16, 2015

Biology
1.A white flowered plants is crossed with a plant that is heterozygous for the trait. What percentage of he offspring will have purple flowers? 2.Two plants, both heterozygous for he gene that controls flower color are crossed. What percentage of their offspring will have ...
September 19, 2015

Biology
Which statement is not true regarding illness associated with malfunctioning cellular organelles? The illness _____ a. can result in a diverse set of sumptoms b. may impact multiple body systems c. is typically simple to diagnose d. may be lethal
September 19, 2015

Vocabulary
Thank you!
August 5, 2015

Vocabulary
"In a large metropolitan airport, an air terminal at the edge of a major city, it is not unusual to have many landings and take-offs during a 24-hour period." The word "metropolitan" in the line above most nearly means A) international and domestic B) ...
August 5, 2015

Math
Thanks Reiny!
July 28, 2015

Math
List equally likely outcomes in the sample space for the experiment of rolling a pair of dice. One student list 5,6 and 6,5. Another student states only one of these need to be listed. Which student is correct and why and what activity could be described to help further ...
July 28, 2015

Math
List equally likely outcomes in the sample space for the experiment of rolling a pair of dice. One student list 5,6 and 6,5. Another student staye
July 28, 2015

Math
The best free throw shooter on a basketball team has a 60% chance of making the 1st shot when shooting 2 free throws. If he makes the 1st shot, he has an 80% chance of making the 2nd. If he misses the 1st shot, he only has a 40% chance of making the 2nd shot. What are the ...
July 28, 2015

Math
Using the following information for the Vertex and Directrix, write the standard form equation for the parabola with what is given below. Vertex: (-2,1) Directrix: x=1
May 7, 2015

Math
Look for the probability for an experiment of which requires you to select one card from a standard deck of 52 playing cards. Write your final answer as a fraction in the simplest form of a/b. 1.) P(the card is not a face) 2.) P(the card is a king) 3.) P(the sum is at least 7...
April 27, 2015

math
thank you! i see where i did my calculations wrong..
April 25, 2015

math
Solve each equation for 0<_ 0<_ 2pi(3.14) a) 2tan^20 = 3tan0 - 1
April 25, 2015

math
Yup. Thank you
April 17, 2015

math
where did you get 0.083
April 17, 2015

math
How much money must be invested at 6.3 % simple interest to earn \$250 in interest each month?
April 17, 2015

math
Sally has a balance of \$2845 on her credit card. What rate of simple interest is she being charged if she must pay \$26.19 interest for the 12 days her payment is late?
April 17, 2015

French (if correct translation/grammar)
Presque toutes les grandes histoires d'horreur sont également de grands romances, et histoire de Leroux d'un compositeur déformé et masqué, hantant l'opéra de Paris de labyrinthe comme un fantôme, racheté seulement ...
April 6, 2015

English
im not writing an essay
April 6, 2015

English
Classic Literary Adaptations, Le Fantôme de l'Opéra' by: Frank Milani et Paulette Collet
April 6, 2015

English
reed, the adaption is just a shorter version of the original novel, everything is the same. how would you know nobody read the version i have read?
April 6, 2015

English
How does Erik (the phantom) from The Phantom of the Opera show romance? i already mentioned about his relationship with Christine, but i need two more points.
April 6, 2015

Chemistry
1.) Explain the similarity between Mg(OH)2 and Zn(OH)2 in particular why would any insoluble hydroxide tend to dissolve in an acidic solution? Are they both bases? 2.) Explain the difference in particular how does Mg^+2 appear to form complex ions with OH^- and NH3? If these ...
March 20, 2015

English
Pretty sure that the second one is C, the fight in which Mercurio and Tybalt are killed because what they are saying is that on hot days people become more aggravated, and it's foreshadowing the fight that is to come. I know this is like really late, but this can help the ...
March 13, 2015

Physics 1
A man opens a 1.14-m wide door by pushing on it with a force of 49.5 N directed perpendicular to its surface. (a) What magnitude torque does he apply about an axis through the hinges if the force is applied at the center of the door? N · m (b) What magnitude torque does...
March 6, 2015

Physics 1
A bicycle tire has a mass of 2.54 kg and a radius of 0.346 m. (a) Treating the tire as a hoop, what is its moment of inertia about an axis passing through the hub at its center? kg · m2 (b) What torque is required to produce an angular acceleration of 0.710 rad/s2? N &...
March 6, 2015

Math- Precalculus
A utility company has the following rate schedule for natural gas usage in a city’s business district: Monthly service charge \$8.80 Per therm service charge: 1st 25 therms : \$0.6686/therm Over 25 therms: \$0.85870/therm (a) What is the charge for using 25 therms in one ...
February 26, 2015

science
what is the concentration of a solution made by mixing 22.0 g of salt with 200 mL of water? assume that the volume of the water does not change when the salt is added
January 14, 2015

physics
A motorcross racer covers one lap of a 1200 meter track on his motorcycle at a speed of 27 meters per second. How long does it take to ride one lap: A. In seconds? B. In minutes?
November 20, 2014

Chemistry
Yes you are correct for the change to H3O^ But do I need the plug the 37 degrees in somewhere or is the response above the final answer?
November 19, 2014

Calculus
I don't see what you mean..Do you mean the 8th derivative of the function?
November 11, 2014

Calculus
Find the degree 3 Taylor polynomial approximation to the function f(x)=8ln(sec(x)) about the point a=0 .
November 11, 2014

physics
Bob fires a cannon horizontally off a 125 meter cliff.the cannonball leaves the cannon traveling at 144 meters per second. How far from the cliff will the cannonball land?
November 10, 2014

Chemistry
I am a parent trying to help with my childs homework. This is the question that has us stuck. Can you assist us? Boron trioxide B203 , reacts with waterto produce boric acid, B(OH)3. B2O3(s) + 3H2o (l) -> 2B(OH)3(s) Ricardo adds 27.2 g of B2O3 to an excess of h2O, and the ...
November 4, 2014

Chemistry
Not sure but this is what I came up with: molarity= mol/mL 26.7/342.15=.078=.78M
October 29, 2014

Chemistry
26.7g/100mL
October 29, 2014

Chemistry
The solubility of aluminum sulfate in water at 20degrees Celcius is 26.7g/100L. Calculate its molarity?
October 29, 2014

Chemistry
Haven't had any lectures on this yet. Can you please assist? thank you
October 29, 2014

Chemistry
A student reacted 0.500g of Pb(NO3)2 with 0.750g of KI according to the reaction, Pb(NO3)2(aq) + 2KI(aq)=PbI2(s) + 2KNO3(aq) A) How many moles of Pb(NO3)2 were used? B) How many moles of KI were used? C) How many moles of PbI2 would form, based on the moles of Pb(NO3)2 used? D...
October 29, 2014

CHEMISTRY
A student combusted 0.500g of purified aluminum power with excess oxygen in an oxygen atmosphere according to the reaction, 4Al(s) + 3O2(g)= 2Al2O3(s) A) What is the limiting reactant? B) How many moles of Al were used? C) How many moles of Al2O3 would form, based on the moles...
October 29, 2014

Chemistry
the solubility of aluminum sulfate in water at 20 degrees celcius is 26.7 g/100mL Calculate the molarity?
October 28, 2014

Chemistry
How many moles of magnesium are in Magnesium Chloride?
October 25, 2014

Chemistry
please HELP!! mass of magnesium chloride =.2 mass of chlorine in magnesium chloride =.1 A)moles of magnesium? B)moles of chlorine? C)moles of magnesium divided by the smaller number of moles? D)moles of chlorine divided by the smaller number of moles? E)experimental empirical ...
October 25, 2014

Chemistry
the solubility of aluminum sulfate in water at 20 degrees celcius is 26.7 g/100mL Calculate the molarity?
October 24, 2014

Chemistry
a compound of nitrogen and oxygen is 30.46% by mass N and 69.54% by mass O. the molar mass if the compound was determined to be 92g/mol. What is the empirical formula of the compound? What is the molecular formula of the compound?
October 22, 2014

Chemistry
Fe1.4O1.4 = FeO
October 22, 2014

Chemistry
When 6.25grams of pure iron are allowed to react with oxygen, a black oxide forms. If the products weighs 8.15g, what is empirical formula of the oxide?
October 22, 2014

chem
p in atm? 0.8atm = pO2 +0.031 0.8-0.031 = pO2 0.769atm = pO2 p in torr? 608 = pO2 + 23.8 608-23.8 = pO2 584.2 torr = pO2
October 14, 2014

chem
The total pressure in a vessel containing hydrogen collected over water at 25degrees Celsius was 0.8atm. the vapor pressure of water at the temperature is 23.8torr. What was the pressure of the oxygen in torr?
October 14, 2014

chem
T2 = 300K(3.00L/3.60L) = 250K or -27degrees Celsius
October 14, 2014

chem
The volume of a 3.60L sample of gas at 27degrees Celsius is reduced at constant pressure of 3.00L. What is the final temperature?
October 14, 2014

chem
V2=1.4L (450K/300K)=2.1L
October 14, 2014

chem
While the pressure of 1.40L of gas is kept constant, its temperature is increased from 27 degrees Celcius to 177 degrees Celcius, How do I calculate the new volume?
October 14, 2014

chem
Ammonia gas occupies a volume of 5.00L at 4.00 degrees celcius and 760 torr. what is the volume at 77degrees celcius and 800 torr?
October 14, 2014

Math
What are different strategies of finding all the factors of a number besides the rainbow method?
September 15, 2014

Alg I
when translating the verbal expression "five more than d" into an algebraic expression, is the answer 5+d or d+5? Aren't they the same?
August 21, 2014

math
A bathroom measures 250cm by 175cm.Calculate the side of the largest square tile that can be used to tile the floor without cutting.
July 6, 2014

Math
A living room measures 450cm by 330cm.Find the dimension of the largest tile that can be used to tile the floor without cutting.
July 6, 2014

Math
A cell phone company charges a monthly fee of \$17.95 and \$0.03 per minute Write an equation that represents the cost (c) for using the cell phone for minutes (m) Use your equation from part a to find the cost for using the phone for 150 minutes
April 28, 2014

Math
Mary has a container of sugar in the shape of a cylinder the container has a diameter of 10 inches and a height of 6 inches if the container is full how much will the sugar weigh if the average weight of the sugar is 0.2 ounces per cubic inch round to the nearest tenth
April 28, 2014

Epidemiology
A Case control study
April 28, 2014

orgo chem
how much acid will remain after 3 extractions with 1.0 mL of ether of 50mg butanoic acid, 5mL water?
April 11, 2014

Physics
A solid cylinder is mounted above the ground with its axis of rotation oriented horizontally. A rope is wound around the cylinder and its free end is attached to a block of mass 54.0 kg that rests on a platform. The cylinder has a mass of 265 kg and a radius of 0.430 m. Assume...
April 10, 2014

Indian wells
5/8 of the students in mr. Halls class got an A or B . Four times as many students got an A than a B. what fraction of Mr. Hall's class got an A.
March 24, 2014

Math
Determine if the lines L1 and L2 passing through the give pair of points are parallel, perpendicular, or neither. L1: (-2, -3), (1, 3) and L2: (4, 5), (-4, -11)
February 20, 2014

Chemistry
First calc. the moles from M and L: (.0234)(.01365)= 3.19e-4 Determine moles Ca(OH)2 titrated: (3.19e-4)/2 = 1.60e-4 mol Remember, every one Ca(OH)2 titrated requires 2 H+ [Ca2+] = (1.60e-4)/.01 = .01597M [OH-] = (.01597)(2) = .0319 M Ksp = (.01597)(.0319)^2 = 1.63e-5
February 5, 2014

Chemistry
About 50% of U.S. and most Canadian sulfur is produced by the Claus process, in which sulfur is obtained from the H2S(g) that occurs in natural gas deposits or is produced when sulfur is removed from petroleum. The reactions are described by the equations 1)2H2S(g)+3O2(g)=2OS2...
February 2, 2014

math
the population of Knoxville is 500,000 and is increasing at the rate of 3.75% each year. Approximately when will the population reach 1 million?
January 12, 2014

physics
rank the average gravitational force from greatest to least between (a) sun and mars (b)sun and moon (c) sun and earth include an explanation PLEASE!!!!
January 3, 2014

thank you so much this has really helped me :))
November 13, 2013

November 13, 2013

Q: A person living in North America will be able to see 15 lunar eclipses in the 2010-2020 decade. In the same time period, only two solar eclipses can be observed in North America. why will more lunar eclipses than solar eclipses be visible from North America in this decade? ...
November 13, 2013

Math
maria works 8 hr shifts.she has earned 62.75 mins of sick time. how many sick days does she have
October 5, 2013

Geometry
What would we do without Ms. Sue??
September 30, 2013

Math
maria works 8 hr shifts.she has earned 62.75 mins of sick time. how many sick days does she have
September 30, 2013

Math
maria works 8 hr shifts.she has earned 62.75 mins of sick time. how many sick days does she have
September 30, 2013

Math
There are 8 standard classifications of blood type. An examination for prospective laboratory technicians consists of having each candidate determine the type for 3 blood samples. How many different examinations can be given of no 2 of the samples provided for the candidate ...
July 28, 2013

Math-probability
A sporting goods store estmates that 20% of the students at a nearby university ski downhill and 15% ski cross country. Of those who ski downhill, 40% also ski cross country. What percentage of these students ski both down hill and cross country? Write as a decimal.
July 27, 2013

Math- probability
Suppose 80% of kids who visit a doctor have a fever, and 30% of kids with a fever have sore throats. What's the probability that a kid who goes to the doctor has a fever and a sore throat? Round to three decimal places.
July 27, 2013

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