Questions Asked on
February 17, 2016

science
construct a heating curve for a substance that is heated to 150 deg centigrade. The substance is originally solid at 35 deg c, melts at 75 deg c and boils at 126 dec c
asked by vidya 
Math question/help please!
Please somebody help me with this question, I don’t really get it: The triangles are shown congruent. Find the measure of angle P. MLK is congruent to RQP. A. 43 degrees B. 32 degrees C. 105 degrees D. 37.5 degrees Triangle 1 measures: MK: 43 degrees.
asked by Destiny 
math  probability
Cecil solved a theoretical prediction problem and got this answer: "The spinner will land on the red section 4.5 times." Is it possible to have a prediction that is not a whole number? If so, give an example. THANK YOU!!
asked by Tim 
Student
On a clear day at sea level, the partial pressure of N2 in air is 0.78 atm at 25 degres C. Under these conditions, the concentration of N2 in water is 5.3 x 10^4 M. What is the partial pressure of N2 when the concentration in water is 3.5 x10^4 M?
asked by Student 
Math
I need to find the limit as x goes to 3 of (1sqrt(x2))/(x3)), I know the answer is 1/2 but I have no idea how to get to the answer, and help would be appreciated
asked by Dan 
physics
A bullet has a mass of 5g leave a gun at a velocity of 100m/s. What is the kinetic energy of the bullet as it leave the gun? If the gun is fired vertically upwards, how high will the bullet go? (Ignore air resistance and assume g=10m/s2).
asked by Anonymous 
PreCalc Question
I may be missing something obvious here, but why is an expression such as sqrt4 always simplified as 2i and not 2i?
asked by Anonymous 
Health Pt.2
Inhalant abuse can cause death by ________. A. Asphyxiation B. Suffocation C. Seizures D. All of the above Need Help Asap! :)
asked by Kenzyy 
math
1. The power P delivered to a variable resistor R by a battery of emf V and a constant internal resistance r is given by P= V^2R / (R + r)^2 Find dP/dR and hence the value of R when the power delivered is a maximum.
asked by Anonymous 
Math
Seven and one half percent is equivalent to the decimal number 0.075. If the sales tax rate is 7.50 what is the sales tax on a $10.00 purchase?
asked by Jay 
reading
use 1.smile , 2.hop, 2.plan in a sentence future tense
asked by rose e 
Math
Two equal circles of radius r intersect such that each passes through the centre of the other. Find the length of the common chord.
asked by Apurba 
Math
I am a number. Go round the corners of the given figure 4 times. When you add my value with the number of corners you have crossed you get 46. Find my value.
asked by Francis 
PHYSICS
Mass of empty bucket of capacity 10 liter is 1 kg. find its mass when completely with a liquid of relative density .08
asked by IMTEYAZ 
PHYSICS
Mass of empty bucket of capacity 10 liter is 1 kg. find its mass when completely with a liquid of relative density 0.8
asked by IMTEYAZ KHAN 
Quick calc question
Which of the following integrals cannot be evaluated using a simple substitution? the integral of the square root of the quantity x minus 1, dx the integral of the quotient of 1 and the square root of the quantity 1 minus x squared, dx the integral of the
asked by Ella 
Quick calc question
Suppose the integral from 2 to 8 of g of x, dx equals 13, and the integral from 6 to 8 of g of x, dx equals negative 3, find the value of 2 plus the integral from 2 to 6 of g of x, dx. 16 18 8 32
asked by Ella 
Quick calc question
Which of the following definite integrals could be used to calculate the total area bounded by the graph of y = 1 – x2 and the xaxis? the integral from 0 to 1 of the quantity 1 minus x squared, dx plus the integral from 1 to 2 of the quantity 1 minus x
asked by Ella 
Algebra
An original signature of supermodel Jill Fisher appreciates in value 7% every year. How much was it worth in 2000 if it is worth $80,000 in 2016? This is about exponential growth and decay problem. thank you
asked by Maria PLEASE HELP 
maths
a company decreased its products price
asked by asad 
math
find the mode of 3,6,10,13,14,17,19,and 22
asked by dee 
life orientation
Propose 6 practical actions that you can take to address human rights violations of xenophobia in your community
asked by ayesha 
science
A chain link m/c having a blade of (330x52x6)mm on which steel wire is rotated of 4mm how much torque is reqd for amotor.
asked by atharva d gawande 
Maths
The triangle is called ABC. Angle B has an angle of 90 degrees. The length of AB is 15mm and the length of BC is 16mm. Find the length of AC
asked by Melissa 
SCIENCE
A nitric acid solution at 25% by weight has a density of 1.21 KG / L Calculate the volume needed to be taken to obtain 2 L of a 2.5 M solution of nitric acid
asked by ATTILIA 
SCIENCE
Indicate how to mix two of the first concentration 3.2 M hydrochloric acid solution and the second to 15% by weight and density 1.30Kg / L to obtain 2.5 L of hydrochloric acid solution in 4.2M concentration
asked by ATTILIA 
math age problem
kyle is twelve years old. his age is 2 more than half the age of steven. find the age of steven
asked by Anonymous 
algebra
Two vertical poles 20m and 30m high are 60m apart.A rope is to be attached from the top of one pole to a point on the ground halfway between the poles and then to the top of the other pole.How long a rope is needed?
asked by christopher 
math
The sum of two numbers is 43. If the larger number is ten more than twice the smaller number, what is the smallest number?
asked by raymraymond 
Trig
a 12ftlong guy wire is attached to a telephone pole 10.5 ft from the too of the pole. If the water forms a 52 degree angle with the ground, how high is the telephone pole?
asked by Dave 
math age problem
raiven is 8 years more than rolf and miguel is 2 years younger than rolf.the sum of their ages is 6o. find their ages
asked by riko 
maths
A helicopter flew 24km to the west,then to the north.how far is the helicopter then from it's starting point?
asked by adeleke 
math age problem
kyle is twelve years old. his age is 2 more than half the age of steven. find the age of steven
asked by riko 
Math
An unknown radioactive substance has a halflife of 124 years. How long will it take a 67 grams sample to degrade to 18 grams?
asked by Maria 
maths
The area of a rhombus is 148.8cm per square If one diagonal is 19.2cm find the length of the other diagonal.
asked by mohiit 
physics
a rifle bullet of mass 8.0g strikes and embeds itself in a block of mass 0.992kg that rests on a frictionless horizontal surface and is attached to a coil spring. the impact compresses the spring 15.0cm. calibration of the spring shows that a force of
asked by #PAKIsagotPARAbukas 
Algebra 2
Donald's Jaguar loses value at 8% per year for the first nine years when should he sell it if he wants to receive 62% of what he paid for it?
asked by Veronica 
Algebra
A collection of schmutz decays according to the equation y=ae^0.0358t where t is in days. Find the half life of this schmutz collection.
asked by Vero 
Chemistry
A solution is 0.10M in aqueous NH3. Calculate (a) the number of moles and (b) the number of grams of NH4Cl that must be added to 500mL of this solution to prepare a buffer solution with pH=9.15. You may neglect the volume change due to addition of solid
asked by Chen 
physics
determine the a)charge on the capacitor b)voltage across the capacitor c)current through the resistor after t=rc when a capacitor is getting charged interms of their peak values
asked by selina 
Math
Find the general solution to the differential equation that models the statement:"The rate of change of P with respect to x is proportional to 15x.
asked by Dea 
Civics
In 1840, the population of Chicago was only 4,470. By the 1900, the city's population was 1,698,575. Which factor best explains the population change?
asked by Anonymous 
MATHS
In a class of 30 learners,17 play football,15 play vollyball,12 play rugby.9 learners play vollyball only and 3 play rugby only.If all learners play at least one of the three sports.Use a venn diagram to find the number of learners who pray only vollyball
asked by Danny 
maths lit,accounting,economics,business studies
I did maths literacy with all the commercial subjects including accounting what course can i take?
asked by chuma 
History PLEASE PLEASE HELP
5.Which of the following best summarizes why the Missouri Compromise needed to be replaced by the Compromise of 1850? (5 points) A.)Members of Congress wanted to end the question of slavery in the U.S. B.)The U.S. wanted to sell the territory gained after
asked by Aaliyah 
Math
1038 divided by 6
asked by Ace 
Social studies
What is the name for a government ruled by a small group of people? Democracy. Monarchy. Oligarchy. (MY ANSWER Tyranny.
asked by LOVE 
math
A number plus itself, plus twice itself, plus 4 times itself, is equal to 104. What is the number?
asked by eric 
Pre Algebra
7.)The stem–and–leaf plot shows the number of fish that were caught by several ships in a fishing fleet. How many ships caught 37 fish or fewer? stem Leaves 3  0 3 3 5 6 4  0 2 4 5 8 9 9 5  0 1 2 4 key: 24 means 24 A.)12 B.)16 C.)14 D.)13 I think B
asked by #FreeGucci 
english
Danielle used to take that photo in 2007 what iswrong in this sentence
asked by Anonymous 
Chemistry
On a clear day at sea level, the partial pressure of N2 in air is 0.78 atm at 25 degres C. Under these conditions, the concentration of N2 in water is 5.3 x 10^4 M. What is the partial pressure of N2 when the concentration in water is 3.5 x10^4 M?
asked by Student 
math
order from least to greatest 0.29, 2/7, 25%, 0.2
asked by jjiiddss 
physics
Three capacitors are connected to a battery of unknown voltage as shown in the circuit diagram above. The voltage drop across capacitor C 1 is V 1 = 11 . volts. a) What is the effective capacitance of the three capacitors? c) What is the voltage of the
asked by selina 
Pre Algebra
The table below shows the percentage of households that own a microwave in different countries. Construct a stemandleaf plot of the data. Country Percent Of Household With Microwave Ovens _____________________________________________________________
asked by #FreeGucci 
geometry
Theres a right triangle. its hypotenuse is 30. There is a line in the triangle making a smaller one. this breaks the hypotenuse to 24 and 6. I need to find the length of the other sides If i can figure out how to post a picture i will.
asked by Ineedhelpplease 
Introduction to Computers
Which type of device below would you most likely consider installing a SCSI disk in?
asked by Anonymous 
Intermediate accounting
During 2011, Deluxe Leather goods sold 800,000 reversible belts under a new
asked by Tariro 
math
a person has a rectangular garden one length of the garden lies along the patio wall. however the rest of the garden is enclosed by 30 ft of fencing. if the length of the garden is three times its width, what is the area of the garden
asked by Jaimi 
Science Physics
A rope exerts a 274N force on an 80kg skier up along a hill inclined 12 degrees. A frictional force of 100N opposed the motion. If the skier starts from rest, what is her speed after travelling 100m?
asked by Yoda 
math
To increase the temperature of 100.0g of H20 from 50.0C to 10.0C how much energy is required?
asked by Jamal Campbell 
Math
Paulo and sergio buy a pizza.paulo eats 1/3 of the pizza and sergio eats two fifths.how much of the pizza is left over?
asked by Maths 
p.e
Which word best completes the analogy? Healthrelated fitness is to health as skillrelated fitness is to _____. exercise wellness performance fitness
asked by kyra 
Math
Find the product of (74) and (134)
asked by Sfiso 
chemistry
what is the percentage yield of c2h2 with 50g of cac2 reacts with water to yield 13.5g of c2h2
asked by francis 
Math PLZZZ HELPP MEE!!!
the area of the parallelogram. Quadrilateral top: 5 cm side: 14 cm length: 12 cm *38 cm2 *60 cm2 •• *70 cm2 *168 cm2 3. Find the perimeter of the parallelogram. Quadrilateral top: 10.8 ft side: 5.1 ft length: 2.3 ft *15.9 ft *24.84 ft *31.8 ft ••
asked by Jojo 
Math
David has 3 bags of groceries weighing a total of 25 1/2 pounds. Two of the bags weigh 7 5/8 and 4 3/4. How much does the third bag weigh?
asked by Garland 
math
salim and medha are comparing results from a 2day lab experiment. on monday, salim's results showed that 0.907 of the perticles were charged while medha's results showed that 92% of the particals were charged. who on what day had the greatest percentage
asked by jjiiddss 
Math
A triangle has side lengths of 15 inches and 30 inches. It also has angles that measure 45° and 20°. Which of the following identifies the possible third side length and third angle of the triangle?
asked by Anonymous 
Language Arts
What is the secret to reaching someone with words? Which of the poems—"Concrete Mixers," "The City Is So Big," or "Harlem Night Song"—best uses words to create a vision or an idea of the city for you? In a paragraph, state your opinion and support it
asked by CyberDarkness 
Physics  Electrons (Inside the atom)
A beam of electrons is directed into uniform electric and magnetic feilds that are at right angles to one another and to the beam direction. The strength of the magnetic feild is 55 mT; the electric feild strength is adjusted to 600 kV m^1 when the beam
asked by Ben 
Question
What it another word for stupid?
asked by Kiana 
PreCal (Math)
An instructor has determined that students' grads on the final exam depend on the amount of time, t, they spend studying for it and can be modeled by the formula g(t)=(21t+10)/(20t+45). Note that the function's output is a fraction or decimal which should
asked by Gio 
Art
according to egyptian mythology horus son Kebehsenuef fit who has the head of a hawk. what characteristic might make Kebehsenuef fit for the job of watching a dead mummy vital organs? A kind and caring heart The keen eyes of a bird of pray •• Ingenuity
asked by Jojo 
MATH :(
Determine the annual yield to the nearest hundredth of a percent. You purchase TEK stock for 15.53 per share. Dividends are 1.48 per share.
asked by Sammy 
Algebra
Mrs. Rodrigues was selling two kinds of raffle tickets for $1.50 and $3.50. The number of $1.50 tickets sold was 5 more than three times the number of $3.50 tickets sold. She earned a total of $1,607.50. How many $1.50 tickets were sold?
asked by Tom 
MATH :(
Determine the annual yield to the nearest hundredth of a percent. You purchase CGW stock for 36.91 per share. Dividends are 0.14 per share.
asked by Sammy 
Art
Which traits is not symbolized by chinese dragons? Wisdom Benevolence Evil Adaptability •• Correct me
asked by Jojo 
MATH HELP
Determine the annual dividend and the annual yield to the nearest hundredth of a percent. Ella Franklin owns 325 shares of ITA stock. Purchase price was 37.85 per share dividends are 1.11 per share
asked by Beth 
MATH HELP
Determine the annual dividend and the annual yield to the nearest hundredth of a percent. Joyce buys 350 shares of KOW, Inc, that has a high of 42.50 per share and a low of 23.60. Last year the company paid annual dividends of $0.58 per share. (a) What is
asked by Beth 
Art correct me!!
Which statement is the best comparison of the symbolism behind Chinese in the Egyptians and lions? A) both Egyptian and Chinese lines represent royalty B) Chinese lines represent fear while Egyptian lions are symbolic of prosperity C) Chinese and Egyptian
asked by Becky 
MATH PLEASE
0.0293262879789 Rounded to nearest hundredth percent.
asked by Beth 
Art
which is the best definition of the term symbolism? The use of an unknown image The practice of thinking in symbols The use of signs to give directions The use of symbols to represent ideas •• Correct me
asked by Becky 
Social Studies paper
im doing a paper and i'm at the end argument and i don't know what i can add on, ideas??? Paper is the most important invention that came out of ancient China. Paper has change are life. But not just for one person many people, like artist for instant,
asked by little dark one 
Math Help!
What are the next three terms in the sequence? 3,6,15,24
asked by Amber 
physics
At a time when mining asteroids has become feasible, astronauts have connected a line between their 3580kg space tug and a 6000kg asteroid. Using their ship's engine, they pull on the asteroid with a force of 490 N. Initially the tug and the asteroid are
asked by Desi 
math
The first term of an arithmetic sequence is 2.The 12th term in the progression is 9 times bigger than the 2nd term. Find the common difference d.
asked by John 
analysis
why is 0 a limit point
asked by frederick 
math
on a factory floor, 30 out of every 140 toy robots is defective. what percent is defective
asked by jjiiddss 
English
Which pronoun correctly completes the sentence? Please return the books to __________ proper shelves. A. their B. they're C. they D. theirs
asked by Dasha 
Math Help!
Which function is a quadratic function? A. y=2/x B. y=2/x/ C. y=2x3 D. y=2x^2x
asked by Amber 
physics
A machine with v.r requires 1000J of work to raise a load of 500N through a vertical distance of 1.7m . find the efficiency and m.a of the machine.
asked by Azeez 
chemistry
The hands on a battery clock are which type of energy? A. chemical to kinetic B. potential to chemical C. kinetic to potential D. thermal to kinetic I think C
asked by sharon 
Biology
Which nucleic acid statement is true A. mRNA codes for DNA B. mRNA codes for proteins C. tRNA makes amino acids D. tRNA makes lipids I think B
asked by sharon 
Science
Which example is an example of natural selection A.prairie dogs build an underground tunnel B. fish omit odor to avoid sea lions C. cats with better nutrition play more D. lizards absorb vitamin D to help digest food. I think B
asked by sharon 
Spanish
1. Clara ____ de Paraguay. a. soy b. es*** c. está d. estamos 2. ¿___ tú en Asunción? a. estás b. eres c. sois d. están*** 3. Nosotros ____ altos. a. son b. estamos c. somos*** d. estáis 4. Ellos _____ cansados. a. están*** b. son c. estáisy d.
asked by Kaai97 
Science
function of smooth ER A. synthesis lipids B. form ribosomes C generate energy D phagocytose bacteria I think A
asked by sharon 
Science
Lifelong protection after exposure such as the chicken pox is which type of immunity A. Active immunity B. innate immunity I think B
asked by sharon 
english
She _______ (take) her lunch what type of verb form or tense can be used here ? When we use complements such as now look listen yesterday every day daily tomorrow forsure just now next week just by the end of next month lt is constructed grammatically.
asked by r s telagathoty 
Science
Bond that holds atoms together in a molecule are? A. radiation energy B. kinetic energy C. thermal energy D. potential energy I think B
asked by sharon 
Science
What cell stimulates immune cells to attack? A. Helper T cells B. Cytotoxic T cells
asked by sharon 
chemistry
S and O share chemical properties, but H2S is gas at room temp. and H2O is a liquid, why? A. H2O has stronger intermolecular bond B. H2S has a stronger intermolecular bond C. H2S has a stronger ionic bond D. H2O has a stronger ionic bond
asked by sharon 
Science
Pepsin is... A. enzyme B. lipid C. carbohydrate D. nucleic acid I think A!
asked by sharon 
Science
key factor driving cellular differentiation in the body? A. rate of transcription B. cell nutrience C. expression of genetic coding D. chemical gradients in a cell environment I think A
asked by sharon 
Science
Genetic Information is found where? A. nuclei B. ribosome I think A
asked by sharon 
Science
chlorine atoms have larger radii than fluorine A. True B. false I am unsure
asked by sharon 
Science
DNA can copy itself easier than RNA because? A. its a double helix B. polymer of nucleotide C. its confined to nucleus D.its supported by histone proteins I have no idea
asked by sharon 
chemistry
What is the bond of a salt molecule? A. covalent B. hydrogen C. disulfide D. ionic I think A
asked by sharon 
English
Wow, she did great today. Wow is what part of speech in the sentence? I think a preposition but not sure?
asked by sharon 
math
Percy wrote this equation to represent the total number of books he carried in two bags. 12 = 7 + b Which situation could be described by this equation? A. Percy knows he has a total of 12 books. He knows he has 7 books in one bag. He does
asked by dig 
Science
Sustained increase in the population that makes up all the trophic levels requires an increase in A. primary producers B. primary herbivores C. primary carnivores D. keystone predators
asked by sharon 
math
You and some friends rent a limousine for a formal reception. The bill for the evening is $70.00. A tax of 8% will be added to your total, and you want to tip the chauffeur for his excellent driving. You decide to leave him a tip that is 20% of the bill
asked by jjiiddss 
Science
RNA is thought to have proceeded proteins and DNA, why? A. more types of RNA than DNA B. single stranded RNA is less complex than DNA Not sure if either are correct?
asked by sharon 
Enriched science
Which of the following would be an engineering project that could help protect the planet? A. Finding a new landfill site B. Designing a better trash compactor C. Deciding which products can be recycled D. Growing microbes that eat oil
asked by Rhyleigh 
Language
Full fathom five thy father lies; Of his bones are coral made; Those are pearls that were his eyes; Nothing of him that does fade, But doth suffer a seachange Into something rich and strange. Seanymphs hourly ring his knell: Dingdong, Hark! Now I hear
asked by Becky 
Math
Jake can carry 6 1/4 pounds of wood in from the barn. His father can carry 1 5/7 times as much as Jake. How many pounds can Jake's father carry? Answer: 1 3/28 Can you please double check the above answer. I don't know if it is right or wrong. 2. A glass
asked by Patrick 
Math
What is the lowest common denominator of the four fractions listed below? 20 7/10; 20 3/4; 18 9/10; 20 18/25 a. 2 b. 40 c. 50 d. 100 Answera Please check the above.
asked by Patrick 
Language
if there is a smattering of applause at the end of a play what do you hear? Just a few people clapping Total silence Half the audience cheering Everyone clapping loudly•• Correct me
asked by Becky 
Math
Yvette earned $66.00 for 8 hours of work. Lizbeth earned $68.80 working the same amount of time. How much more per hour did Lizbeth earn than Yvette earned? a. $0.35 b. $0.45 c. $2.80 d. $8.25 Answerc Please check the above.
asked by Patrick 
Enriched science
Engineers who are working to find alternative fuel sources hope to A. Reduce air pollution B. Use more fossil fuels C. Design microorganisms that will eat oil D. Increase the yeild of food crops
asked by Rhyleigh 
help azap math
Percy wrote this equation to represent the total number of books he carried in two bags. 12 = 7 + b Which situation could be described by this equation? A. Percy knows he has a total of 12 books. He knows he has 7 books in one bag. He does
asked by dig 
Enriched science
What is the goal of synthetic biology? A. The goal of synthetic biology is to mimic living cells B. The goal of Synthetic biology is to generate new tissues to replace damage tissues C. The goal of synthetic biology is to engineer living cells to perform
asked by Rhyleigh 
Science
2.)which of the following statements about the solar system's formation is true? a:the temperature was very cold. b:gravity pulled together a cloud of gas and dust. c:objects formed from the same materials. d:the planets formed at the same distance from
asked by #FreeGucci 
Language
How do you know the underlined group of words is a dependent clause? Nancy pulled over to ask for directions because she was lost. //Because she was lost was underlined.// A. It can stand on its own as a complete sentence and starts with a conjunction. B.
asked by Becky 
Math
Craig scored 12 points in a game. Marla scored twice as many points as Craig but 5 fewer points than Nelson scored. How many points did Nelson score? a. 2x12+5 b. 2 x 12 5 c. 1/2 x 12 + 5 d. 2 x (12 + 5) Answerb Can you please check on the above.
asked by Patrick 
Math
1 1/7 x 1 3/4= 8/7 x 7/4= 56/28 56/28=2 Please check on the above.
asked by Patrick 
english
how could i say poem and novel in one go could i say scriptures idk
asked by help 
Social Studies (1 question)
I'm doing a four question assignment but I'm in doubt with one question. Question #1: Why does the onechild policy most likely affect only Han Chinese? a) Members of other ethnic groups have different religious beliefs b) The Han live mostly in the
asked by Gourami 
A.E.P Social Issues
Which statement best summarizes the individual rights theory?
asked by Dakota 
Math
The espionage is use only an associative property to rewrite the expression: (mq) * n My teacher says the correct answer is m * (qn) but could the answer also be (nm) * q or m * (mq) or q * (mn)?
asked by Sami 
Math
3. 8 1/3 x 3/5= 25/3 x 3/5=75/15=2 4. 2 5/8 x 1 2/3 21/8 x 5/3=105/24 105/24=4 9/24 Can you please check the above answers.
asked by Patrick 
math  probability
Pierre asks Sherry a question involving the theoretical probability of a compound event in which you flip a coin and draw a marble from a bag of marbles. The bag of marbles contains 3 white marbles, 8 green marbles, and 9 black marbles. Sherry's answer,
asked by Tim 
Geometry
In the surface area formula for cylinders, which expression represents the lateral area? πrh 2πrh
asked by Jessica 
Math
5 1/2 x 3 1/3= 11/2 x 10/3= 110/6 110/6=18 2/6 Please double check the answer thank you
asked by Patrick 
Math
7 1/5x 2 1/6= 36/5 x 13/6=468/30 468/30= 15 6/30 Can you please check on the answer and the above.
asked by Patrick 
MathAlgebra
a dinosaur fossil is 92,170,000 years old. How can you express this age in scientific notation with the highest level of precision? 9.2x10^7 9.217x10^7**** 9.22x10^7 9x10^7
asked by LadyPhantomhive 
Math
2/3 x 4 1/5= 21/5 x 2/3=42/15 42/15=2 12/15 Please check the above answer Ms. Sue. Thank you
asked by Patrick 
Math
Write (3x)(3x)(3x)(3x) as a single exponent. Why is this (3x) to the fourth power and not (81x) to the 4th power?
asked by Rishi 
Math
2 2/5 x 1 1/4= 12/5 x 5/4=60/30 60/30=2 sincerely,patrick:) thank you.
asked by Patrick 
Physics
A body P of mass 5kg moving with a velocity of 30M/s collids with another body q moving in opposite direction with a velocity of 20m/s.If the bodies now move in the direction of P at velocity 10m/s.calculate the mass of q
asked by Datu 
Math
The function y = 6 + 1.25x can be used to find the cost of joining an online music club and buying x songs from the website. Based on this information, which statement about the graph of this situation is true? F. The yintercept of the graph represents
asked by Micheal 
Math
A rectangular piece of fabric measures 37 by 45 inches. A triangular scarf with a height of 21 inches and a base of 25 inches is cut from the fabric. How much fabric is left over?
asked by Shadow 
Math
A car dealership pays you for percent commission on your first $8000 on car sales and 8% commission on the sale amount over $8000 if you sold a $9000 car how much is your commission A( $720 B( $320 C( $400 D( $80
asked by jjiiddss 
Art
Which statement is the best comparison of the symbolism behind Chinese in the Egyptians and lions? A) both Egyptian and Chinese lines represent royalty B) Chinese lines represent fear while Egyptian lions are symbolic of prosperity C) Chinese and Egyptian
asked by Laila 
gemotry
what is the area of the trapezoid
asked by eloy 
math plz help !!!
plz help me I'm desperate!!! Jerry mixes the letters F,P,M,M,M,F,P and J thorough. Without looking Amanda draws one letter. Expressed as a fraction, decimal and percentage. What is the probability that J will NOT be the letter Amanda selects? A.7/8, 0.875,
asked by cassie needs help 
Math
Given: Triangle SVX is congruent to triangle UTX and Line SV is parallel to line TU. Prove: VUTS is a parallelogram. Statement : Reason. 1. Tri SVX is congruent to Tri UTX. Reason: Given. 2. Line SV is parallel to line TU. Reason: Given 3. Line SV is
asked by Tim 
Art
Which trait is not symbolized by chinese dragons? A. Wisdom B. Benevolence C. Evil •• D. Adaptability I not sure but my best answer is c
asked by Laila 
Grade 5 math
Hector extended family was gathering for a family reunion.There were 8 sets of aunts and uncles.there were twice as many cousins as uncles.there were two sets grandparents,and then there was Hector family of five.How many people were at the reunion??
asked by Anonymous 
Math, Pleas help.
Please help me with the questions provided below; I have studied in Math, but I want to make sure my answers are accurate to ace. 1.) Solve the proportion. 5/8= y/40. A.) 25 B.) 13 C.) 11 D.) 10 I chose answer choice A for number one since 8x5=40, and
asked by Anonymous 
Art
According to egyptian mythology horus son Kebehsenuef fit who has the head of a hawk. what characteristic might make Kebehsenuef fit for the job of watching a dead mummy vital organs? A. A kind and caring heart B. The keen eyes of a bird of pray •• C.
asked by Laila 
Physics
A point charge (m = 1.0 g) at the end of an insulating string of length L = 51 cm (Fig. 1666) is observed to be in equilibrium in a uniform horizontal electric field of E = 9200 N/C, when the pendulum's position is as shown in Fig. 1666, with the charge
asked by Cici 
Math
Charlene has 2 5/8 yards of fabric. The curtain she is making requires 3 3/4 yards. How much more fabric does she need?
asked by Amber 
math, simple math
kind of a dumb question but is this right? e^(x^2/2a^2) * e^(x^2/2a^2) = e^(2x^2/2a^2) ? would feel a little stupid asking my teacher right now lol
asked by Anonymous 
Math
Lance has g gallons of gas in his tank. If he adds 8 gallons to his gas tank, he will have 15 gallons in his tank. Write an equation that describes how many gallons of gas Lance currently has in his tank.
asked by Amy 
Chemistry
Okay so I understand this is incredibly unconventional, but I have a big favor to ask. I just got a chem exam back and my teacher still has not posted my scantron score. I was wondering if it is at all possible for you guys to just spotcheck for accuracy.
asked by Justin 
Math
Fran wants to cover a retangular box with contact paper. The box is 10cm long, 5cm wide and 5cm high. How much paper will she need to cover all 6 sides?
asked by Amy 
Calculus
A medicine is administered to a patient. The amount of medicine M, in milligrams, in 1 mL of the patient’s blood, t hours after the injection, is M(t)=1/3t^2+t where 0
asked by Morris 
socialstudies
In 3–5 sentences, describe the apportionment system for state legislative districts. can someone explain to me the best way of answering this question?
asked by boPy 
Math question/help please!
Please somebody help me with this question, I don’t really get it: The triangles are shown congruent. Find the measure of angle P. MLK is congruent to RQP. A. 43 degrees B. 32 degrees C. 105 degrees D. 37.5 degrees Triangle 1 measures: MK: 43 degrees.
asked by Destiny 
Art (1 question)
Question #1: Ancient Native Americans chose willow strips to make baskets because they were easy to bend and a) easy to find b) rare and valuable c) multicolored d) waterproof There's no textbook for the Art course so it's hard. According to the nonsense
asked by Gourami 
Math
Are my answers correct 1.Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in the following box plots: two box plots shown. The top one is labeled Males. Minimum at 1, Q1 at 3, median
asked by anonymas 
Language Arts
1. In which sentence is the word UTTER used correctly? A. The seals utter past crabs and seaweed B. The seals will not utter minnow feed C. The playful seals utter cries of delight** D. The stingray and the shark utter the seal 2. Which of the following
asked by Janette 
Math
Use the distributive property to solve the equation 8+1/7x=9.
asked by Nick 
Language Arts
1. Which of your senses can best help you picture this excerpt from “The Rider”? while you float free into a cloud of sudden azaleas / luminous pink petals that have / never felt loneliness . . . A. sight** B. taste C. hearing D. smell I think it’s A
asked by Misty 
Algebra
A manufacturer of shipping boxes has a box shaped like a cube. The side length is (5a + 4b). What is the volume of the box in terms of a and b? Show your work. (5a+4b)^3 =(5a+4b)(5a+4b)(5a+4b) =(25a2+40ab+16b2)(5a+4b) = 125a^3 + 100a^2b + 200a^2b + 160ab^2
asked by Alexa 
Physics
A point charge (m = 1.0 g) at the end of an insulating string of length L = 51 cm (Fig. 1666) is observed to be in equilibrium in a uniform horizontal electric field of E = 9200 N/C, when the pendulum's position is as shown in Fig. 1666, with the charge
asked by Anonymous 
Math
Ben and phoebe are finding the slope of a line. Ben chose two points on the line and used them to find the slope, phoebe used two different points to find the slope. did they get the same answer? explain.
asked by Anonymous 
Stats
The probability that the twelve graduates will have a mean salary over $50,000 is...
asked by Josh` 
HELP
answers marked below 1. Which of Earth’s spheres contains most of its mass? (1 point) atmosphere hydrosphere geosphere biosphere 2. Erosion and weathering are examples of which types of forces? (1 point) constructive forces destructive forces
asked by BROOKLYN HAYES 
Chemistry
How many grams of salt can be produced from five grams of sodium and unlimited bromine? Is this 39.75 g NaBr?
asked by Anonymous 
Geography
Draw two line segments connecting angles of the hexagon to make 4 quadrilaterals
asked by Emilee 
Physics/Eletrical engineering
Which of the following is a conducting loop in which electrons carrying electric energy may be transferred from a suitable source to do a useful work and returned to the source? a.) Direct current b.) Indirect current c.) Electric circuit d.) source of
asked by AYo 
Algebra 1
You trimmed a large square picture so that you could fit it into a frame. The area of the cut picture is 20 square inches. What is the area of the original picture?
asked by Will 
Chemistry
Please,tell me the ways I can use to understand chemistry better.I need help,and it is urgent because am starting to drop.
asked by Miracle 
physics
in an oil drop experiment the radius of the oil patch was found to be 10cm and the volume of the oil used was 1.1*10^5 cm^3. calculate; 1) the diameter of the film 2) the thickness of the patch 3) the size of the molecule
asked by hasahya pius 
usHistory
Is there any website that tells how electricity impacted america
asked by candice 
Math
Mira painted equal sections of her bedroom wall to make a pattern she painted 2/5 of the wall white and 1/2of the wall lavender write an equivalent fraction for each fraction using a common denominator
asked by Yassmin 
Living environment
Why does meiosis and fertilization lead to the greatest variety of genetic combinations ? . iM doing test corrections and I am struggling to explain the question above . So far all i said was that that was the only answer that made sense but i need more
asked by Kayla 
Living environment
why is estrogen and progesterone most closely associated with build up of the uterine lining in the human female during the menstrual cycle ?
asked by Kayla 
Chemisty
Find the mass in grams of 2 x 10^23 of F2 (12.6 grams of F2)
asked by Helen 
Math
1. The figure below is a parallelogram. Which statement must be true? A. DF is parallel to DE. B. DF is parallel to EG.** C. FG is parallel to EG. D. FG is parallel to DF Check?
asked by Hope 
math
in a game you draw a card with three consecutive numbers on it. You can choose one of the numbers and find the sum of its prime factors. then you can move that many spaces. You draw a card with numbers 25, 26, 27. Which number should you choose if you want
asked by talyah 
Algebra
Bronze is an alloy that is made of zinc, tin, and copper in a specified proportion. Suppose an order is placed for 1000 pounds of bronze. The amount of tin in this order of bronze is two times the amount of zinc, and the amount of copper is 10 pounds more
asked by Trish 
PLEASE MATH
Giuseppe purchases an Internet, Inc $100,000 bond at 102.25 that pays 3.5% What is the (A)cost of the bond (B) Annual interest and (C) annual yield?
asked by MICHAEL 
Earth science
A scientist wants to determine the age of a rock. The rock contains an index fossil and an ancient relative of a living organism. Which is more useful for dating the rock, and why? Answer: an ancient relative of a living organism would be more useful for
asked by Sue 
Physics
The initial velocity of a 2.75 kg block sliding down a frictionless inclined plane is found to be 1.25 m/s. Then 1.05 s later, it has a velocity of 5.31 m/s. What is the angle of the plane with respect to the horizontal? I keep trying to use sine and
asked by Emily 
Math
A cell phone company charges $100 per month. The monthly cost increases by $5 for every family member (f) on the plan. Write and graph an equation in two variables that represents the (t) total monthly cost of the plan. What is the Independent Variable
asked by Jordan P. 
math
John is writing a 60 question test for his driving test, to pass he must get 75% on the test. How many questions must he get right to pass?
asked by hello help please ): 
math
Find equivalent fraction with a common denominator and order from least to greatest
asked by cece 
6th grade math median range mode
The numbers are 47, 55, 46, 64, 69, and 52..... What is the mode?...I can't figure this out because I thought the mode was the number that appears most often. Thank you.
asked by Martha 
geometry
find the positive difference between to consecutive even integers such that 14 times the first is equal to 12 times the second
asked by max 
Physics
Electrons in a narrow beam travelling at a steady speed of 5 x 10^7 ms^1 are directed into the space between two oppositely charged parallel plates 50mm apart. The potential difference between the plates is 2500V. The initial direction of the beam is
asked by Ben 
Economics
How does the expenditure approach calculate GDP? ____________________________________ A. It adds up all the incomes in the economy.***** B. It adds up the value of four groups of final goods and services. C. It adds up the value of business goods and
asked by ♥Nirvana♥ 
Math
Write the fraction as a product of a whole number and a unit fraction. 7/12
asked by DeAnna 
Chemistry Help please! (:
Calculate the mass of oxygen gas that can be produced in the decomposition of 5.55 g of silver oxide. This is what I did but is it right?... I need help with a few more btw to double check if i'm doing these right. So here is what I did: First: balance the
asked by Sam 
Math
Lucy spends 4 hours a week babysitting.Her Sister Lily spends 7/8 as much time babysitting. Does Lily babysit for more or less than 4 hours? 7/8•4= 20/32 But then how do I break that down ?
asked by Becca 
Chemistry
1.) what mass of zinc is needed to completely react with 4.00 g of silver nitrate? 2.) If excess ammonium sulfate reacts with 22.5 g of calcium hydroxide according to the following unbalanced chemical equation: (NH4)2 SO4 + Ca (OH)2 → CaSO4 + NH3 + H2O
asked by Sam 
Science Please Help!!!
Which best describes a cave ecosystem? A) Plentiful food, widely varying temperature B) Plentiful food, constant temperature C) Very little food, widely varying temperature D) Very little food, constant temperature I think it's either C or D....maybe C???
asked by Sammy 
Math HELP!
A LightsALot quality inspector examines a sample of 25 strings of lights and finds that 6 are defective. a. What is the experimental probability that a string of lights is defective? b. What is the best prediction of the number of defective strings of
asked by Hanna 
Math
A piece of wire is 60 inches long. The wire needs too be bent into two peices. The prices are both bent in a square. If the ratio of the length or the pieces are 3:2. What is the ration for the smaller square to the nuggets square?
asked by Laura 
science, chemistry
Calculate the final Volume of solution obtained if 100.0 mL of 12.0 M NaOH is diluted to 5.20M
asked by Amy 
Math
What is the least to the greatest on 8/10, 2/4, and 2/3
asked by Anonymous 
Algebra
Evaluate sqrt7x (sqrt x7 sqrt7) Show your work. sqrt(7)*sqrt(x)sqrt(7)*7*sqrt(7) sqrt(7*x)7*sqrt(7*7) sqrt(7x)7*sqrt(7^2) x*sqrt 7x49*x ^^^ would this be my final answer?
asked by Alexa 
Algebra
Consider the leading term of the polynomial function. What is the end behavior of the graph? Describe the end behavior and provide the leading term. 3x5 + 9x4 + 5x3 + 3 how would I solve this?
asked by Alexa 
math
a person with a head circumference of 21 1/2 inches has a hat size of 6 7/8 while a person with a head circumference of 21 7/8 inches has a hat size of 7 find hat size as a function of head circumference
asked by mhkj 
Math
The total area of the pool is 132 square yards. If the length of the pool is 12 yards. How many yards of fencing will they need to buy to replace the old fencing?
asked by JAG 
chemistry
Calculate the energy (in kJ) required to heat 25 g of liquid water from 25oC to 100.oC and change it to steam at 100oC. The specific heat capacity of liquid water is 4.18 J/goC, and the molar heat of vaporization of water is 40.6 kJ/mol.
asked by maria 
physics
A 71 kg skater and a 59 kg skater stand at rest on frictionless ice. They push off, and the 71 kg skater moves at 2.5 m/s in the + xdirection. What's the other's velocity?
asked by lizbeth 
History
why was hillary clinton so successful?
asked by Boberto 
Social studies
Which scenario illustrates how hair keeps you healthy and free from germs? A person with a thick head of hair usually get fewer colds than someone who is bald because their head stays warmer during. A person with thicker nose hairs probably filters out
asked by LOVE 
Antidifferentiation
1. A stone is tossed upward with a velocity of 8m/s from the edge of a cliff 63 m high. How long will it take the stone to hit the ground at the foot of the cliff? Using antidifferentiation method, I got dv=9.8dt. The I integrated and got
asked by Betty 
Engineering
A perfect coin should produce heads and tails with equal probability. If we assign the number 0 toheads and the number 1 to tails, then we can mimic such a perfect coin in Matlab. Specifically, we cangenerate N “coin flips” in Matlab by doing x=
asked by Sophie 
Physics
A projectile is launched with an initial speed of 59.0 m/s at an angle of 32.0° above the horizontal. The projectile lands on a hillside 3.80 s later. Neglect air friction. (Assume that the +xaxis is to the right and the +yaxis is up along the page.)
asked by Mary 
Physics
Suppose a chinook salmon needs to jump a waterfall that is 1.32 m high. (a) If the fish starts from a distance 1.24 m from the base of the ledge over which the waterfall flows, find the x and ycomponents of the initial velocity the salmon would need to
asked by Jay 
math
A dvd box set includes 5 comedies and 3 westerns. Use c to represent the cost of each comedy and w to represent the cost of each western. Write and simplify an expression that represents the cost of 4 box sets. I came up with 4(5c + 3w) = 20c + 12w Is that
asked by Koko 
MATH 4 GRADE
Royce walks 3/4 mile to school and 3/4 mile home each day in how many days will he have walked 3 miles?
asked by Anonymous 
Physics
A decibel meter reads 130 dB at a certain position from a jet plane when one engine is turned on. a) What is the sound intensity at that position? b) What would be the sound level at the same position if two engines are turned on each having the same
asked by Sophie 
Calc
Simplify Sq. rt of 5 +4t^2
asked by Jay 
Algebra
PLEASE HELP!!! Write a function rule that represents each sentence.: 1. 7 less than three times m is n. 2. 14 more than the quotient of a number t and 10 is u.
asked by Samantha 
Algebra
Consider the leading term of the polynomial function. What is the end behavior of the graph? Describe the end behavior and provide the leading term. 3x5 + 9x4 + 5x3 + 3 how would I solve this?
asked by Alexa 
CHEMISTRY!!!! HELP
3.) Calculate the mass of oxygen gas that can be produced in the decomposition of 5.55 g of silver oxide. This is what I did but is it right?... I need help with a few more btw to double check if i'm doing these right. So here is what I did: First: balance
asked by Sam 
physics
A 110 g ball has a kinetic energy 39.8 J. What's the magnitude of its momentum? Use your answer to find its speed. K=p^2/2m 39.8=p^2/(2*110) 8756=p^2 p=93.5735 kg*m/s ^this is wrong though. where did I go wrong?
asked by lizbeth 
Calculus HELP TEST TOMMOROW
The motion of an avalanche is described by s1t2 3t2, where s is the distance, in metres, travelled by the leading edge of the snow at t seconds. a. Find the distance travelled from 0s to 5s. b. Find the rate at which the avalanche is moving from 0s
asked by Morris 
math
A number subtracted from 13is the quotient of 128 and 8 . Find the number. pls help, thxs
asked by thao 
english
I was waiting while a police officer wrote me a ticket for speeding on the interstate.____________, my appointment window with the cable company technician was bout to close. Which of the following words is most appropriate to complete the sentence above?
asked by jeb 
COLLEGE
4 TO THE SECOND POWER + 5 =
asked by MARIA 
Science
What might be the functions of the chemical additives in body washes?
asked by Timmy 
phyis
a 5 gram rubber ball is released from a height of 7 meter above flat surface on the moon. gravitational acceleration on the moon is 1.62 meters per second squared. assume that no energy is lost from frictional drag. what is the velocity, in units of meters
asked by ahmed 
PreCalc
Find a polynomial of the specified degree that satisfies the given conditions. Degree 4; zeros −3, 0, 1, 4; coefficient of x3 is 4
asked by Jillian 
Physics
1) If two gliders of equal mass equal and opposite initial veloity collide perfectly elastically, using the given equation, what are the final velocities of the gliders in terms of the initial velocities equations: MaVa + MbVb = MaV'a + MbV'b (momentum)
asked by Anonymous 
PreCalc
Let f (x) = x + 3. Find and simplify : f(a+h)−f(a) /h
asked by Jillian 
Biology
DNA can copy itself easier than RNA because? A. its a double helix B. polymer of nucleotide C. its confined to nucleus D.its supported by histone proteins I have no idea
asked by sharon 
chemistry
chlorine atoms have larger radii than fluorine A. True B. false I am unsure Answer Th
asked by sharon 
Biology
key factor driving cellular differentiation in the body? A. rate of transcription B. cell nutrience C. expression of genetic coding D. chemical gradients in a cell environment I think A
asked by sharon 
biology
Pepsin is... A. enzyme B. lipid C. carbohydrate D. nucleic acid I think A!
asked by sharon