# Tia

Most popular questions and responses by Tia-
## Math

1. Does the table represent an exponential function? X: 1, 2, 3, 4 Y:-1,-8,-27,-64 Yes or No? I am confused on this, so help would be nice. Thank you.

*asked on February 5, 2015* -
## Check Answers (Math)

Which of the following has a graph that is wider than the graph of y=3x^2+2? A) y=3x^2+3 B) y=0.5x^2+1 C) y=-4x^2-1 D) y=4x^2+1 Would the answer be B?

*asked on March 10, 2015* -
## chemistry

What does ammonium Iodide equation look like dissolved in water?

*asked on March 3, 2015* -
## Math

Which of the following has a graph that is wider than the graph of y=3x^2+2? A) y=3x^2+3 B) y=0.5x^2+1 C) y=-4x^2-1 D) y=4x^2+1 If anyone could help that would be amazing. Thank you so much!

*asked on March 10, 2015* -
## Physics, Someone please help me!

A person bending forward to lift a load with his back, as shown in the figure, rather than with his knees can be injured by large forces exerted on the muscles and vertebrae. The spine pivots mainly at the fifth lumbar vertebra, with the principal

*asked on November 7, 2012* -
## Math

Hi everyone! I am extremely struggling with this questions and was hoping someone would go over them with me. Thank you! 1. Which of the following expressions is written in scientific notation? a. 73.4 x 10^5 b. 0.09 × 10^7 c. 80 x 10^3 d. 4.22 x 10^–3

*asked on January 29, 2015* -
## Health

A person who hasn't smoked in two hours and is irritable is showing symptoms of.... A. Respiration B. Hunger C. Withdrawal D. Addiction You are supposed to pick two, and I think it is B and C. Please correct me if I am wrong. Thank you!

*asked on February 10, 2015* -
## Physics- PLEASE HELP

Two pipes of equal length are each open at one end. Each has a fundamental frequency of 715 Hz at 300 K. In one pipe the air temperature is increased to 313 K. If the two pipes are sounded together, what beat frequency results?

*asked on December 5, 2012* -
## math

there is 1/4 cup of lemon juice in each pitcher of lemonade. How many whole cups of lemon juice are there in 12 pitchers of lemonade?

*asked on February 16, 2016* -
## Technology

Which of the following is benefit that education simulations do NOT provide? A.They use real objects that can physically be touched. B. They allow you to manipulate the objects by turning them around virtually. C. They can use 3-D movement and objects. D.

*asked on January 29, 2015* -
## Math

Hello again! Here's another question. 1. The table shows the height of a plant as it grows. What equation in slope-intercept form gives the plant's height at anytime? Months Height 2 8 4 15 6 22 8 29 A. y=(7/2)x+1 B. y=(7/2)x+8 C. y=(7)x+1 D. y=(y)x+8 This

*asked on January 26, 2015* -
## Social studies

1) The following, "People want to ensure that Puerto Ricans always identify with the Spanish language and culture." Provides support for which of the following statuses for the country of puerto rico? A) Separate Nation B) U.S. Commonwealth C) U.S. State

*asked on April 28, 2015* -
## business math

A second hand furniture store buys sofas with a list price of $9,500. If the wholesaler offers trade discounts of 10/20/30, find the single equivalent discount.

*asked on January 29, 2015* -
## Chemistry

the formula H2O2 is an example of 1.molecular formula 2. an empirical formula 3.an ionic formula 4.an organic formula

*asked on November 28, 2010* -
## physical science

a wave traveling in water has a frequeny of 250 Hz and a wavelength of 6.0 m. what is the speed of the wave?

*asked on April 21, 2017* -
## algebra

why are handcuffs like souvenirs?

*asked on November 18, 2015* -
## Math(Asap)

1. A 3,500.00 principal earns 3% interest, compounded semi annually. After 20 years, what is the balance in the account A. 7,700.00 B. 4,713.99 C. 5,600.00 D. 6,349.06 Steve, I got the second one. It was 18,112.45. But I still cannot get the first one.

*asked on February 12, 2015* -
## math

You are charged $279 on your credit card for a hotel stay, you call to complain about the unexpectedly high charge, but are told there are a total of 24% taxes for hotel rooms where you stayed. What was the advertised price of the room before taxes?

*asked on September 29, 2018* -
## Math (Asap)

1. A 3,500.00 principal earns 3% interest, compounded semi annually. After 20 years, what is the balance in the account A. 7,700.00 B. 4,713.99 C. 5,600.00 D. 6,349.06 2. A boat costs 92,000.00 and depreciates in value by 15% per year. How much will the

*asked on February 12, 2015* -
## Art

which of the following best explains why a colorful tulip is not typically viewed as a work of art? A.Tulips cannot be displayed in a gallery. B. Tulips are not lasting objects. (I chose this one) C. Tulips do not have artistic patterns D. Tulips are not

*asked on April 28, 2016* -
## science asap

1) How do decomposers increase the fertility of soil? A) By storing moisture in the soil. B) By breaking down and digesting the remains of dead organisms. C) By making spaces for air and water. D) By burrowing deep below topsoil. I am thinking is is either

*asked on March 23, 2015* -
## Chemistry

what is the pH of a 0.10 M NH3???

*asked on April 8, 2008* -
## Social Studies

Why is Urbanization associated with the industrial revolution?

*asked on January 14, 2019* -
## Painting

why did painter meissonier place napoleon at the front and center of this art work? The Walters Art museum Baltimore. A. To show his small size B. To show his central importance C. To show his entire figure D. To make wise use of space•• Correct this

*asked on February 19, 2016* -
## statistics

Workers in several industries were surveyed to determine the proportion of workers who feel their industry is understaffed. In the government sector, 37% of the respondents said they were understaffed, in the health care sector 33% said they were

*asked on October 20, 2014* -
## Math

A smokestack is 150 feet high. A guy wire must be fastened to the stack 40 feet from the top. The guy wire makes an angle of 40∘ with the ground. Find the length of the guy wire rounded to the nearest foot. - I've got no idea where to start or what to

*asked on July 1, 2018* -
## math

$300 at 5% interest for 7 years. Find the simple interest earned in the account. A. $214.29 B. $11.67 C. $420.00 D. $105.00 Can you please help? Thanks!

*asked on January 14, 2019* -
## Math

A tour boat on a river traveled 40 miles downstream in 4 hours. The return trip against the current took 5 hours. What was the rate of the current? A. 2.0 MPH B. 1.5 MPH

*asked on February 3, 2015* -
## Chemistry

What is the enthalpy rate of reaction of Na2CO3 + 2M HCl = Na2Co3 + H20 + Co2?

*asked on March 9, 2019* -
## Physics

A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 23.0° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 55.3 kg, and the coefficient of

*asked on September 25, 2015* -
## Math

NEED HELP ASAP PLEASE! 1. evaluate x/y for x=2/3 and y=6/7 A. 7/9 B. 8/10 C. 9/12 D. 12/21 That is all. I do not understand this, so if someone could help that would be great. Thank you so much!

*asked on January 26, 2015* -
## Math

The area of a rectangular field is given by the trinominal t^2-4t-45. The length of the rectangle is t+5. What is the expression for the width of the field? A) t-9 B) t-5 C) t-11 D) t-7 Can someone please help? Thank you!

*asked on March 3, 2015* -
## Physics URGENT!!!

A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 59 dB by an observer 14 km away. (a) What (b) What intensity level of the horns sound is observed by someone waiting at an intersection 46 m from the train?

*asked on December 4, 2012* -
## maths

for he formula A=P+Prt, find the value of (a). (i) A when P = 750. r=0.09 and t=8 (ii) P when A=720.r=0.12 and t=5 (b) make t the subject of the formula

*asked on October 19, 2010* -
## English(ASAP)

Hi, I need help on this as soon as possible. Thank you. 1. Which of the following events, characters, or objects can be said to make a swerve? A. A snowstorm and a cloudburst. B. A roller skater and a seal. C. A rainstorm and a bicyclist. D. A seal and a

*asked on February 8, 2015* -
## Art

Please help whenever you can :) A viewer examines a work of art in a style he normally does not appreciate. This is an example of what type of action? A) Reluctant Consideration B) Creative Consideration C) Respectful Consideration D) Creative

*asked on February 26, 2015* -
## science

a car traveling 20m/s brakes and takes 3s to stop. what is the acceleration in m/s2?

*asked on January 6, 2011* -
## Math

1.A tour boat on a river traveled 40 miles downstream in 4 hours. The return trip against the current took 5 hours. What was the rate of the current? A. 2.0 MPH B. 1.5 MPH C. 0.5 MPH D. 1.0 MPH This is also another question I did not understand. Thank you.

*asked on February 3, 2015* -
## Math

1. The set of ordered pairs of the form (x,y) shown below represents points on a graph for a direct variation. (−4,6) (−1,−1.5) (0,0) (2,3) (6,9) Which equation best represents the relationship? A. y=3/2x B. y=2/3x C. y=x-2 D. y=x+3 Should I just

*asked on February 3, 2015* -
## Math

Hello again! You might see me a lot today. Just a heads up. 1. Which function represents an initial population that increases 22% per year where A represents the initial value and X represents time in years? A. Y=A(0.22)^x B. Y=A(0.68)^x C. Y=A(1.22)^x D.

*asked on February 3, 2015* -
## maths

a boat travel 5 miles due south and then 11 miles due east. how far is it from the starting point?

*asked on October 25, 2010* -
## Data analysis

Question 1 Production Rates A manufacturing company wishes to find out whether the productivity of its workforce has increased now that they have a new machine. The factory examined the records for a random sample of 8 hours over the past month. The hourly

*asked on May 3, 2016* -
## maath algegra 5

force of gravity on Earth is 6 times greater than on the moon. As a result, objects weigh 6 times as much on Earth as they do on the moon. A scientific instrument weighs 34 pounds on the moon. How much does the instrument weigh on Earth

*asked on April 21, 2015* -
## English

1. What type of definition is used to introduce an unusual or unfamiliar word, to coin new words, or to introduce a new meaning to a familiar word? Hint A. Stipulative definition B. Precising definition C. Explanatory definition D. Persuasive definition

*asked on July 6, 2012* -
## PHysics-almost complete!

In a physics lab experiment, a student immersed 205 one-cent coins (each having a mass of 3.00 g *.003kg) in boiling water. After they reached thermal equilibrium, she quickly fished them out and dropped them into 0.244 kg of water at 20.0 C in an

*asked on December 4, 2007* -
## math

I have a few questions and if you could please get back to me asap that would be greatly appreciated! 1. fill in the blanks for the rules for working with exponents: a. if multiplying terms with the same base, you _____ their b. if dividing terms with the

*asked on June 7, 2019* -
## math

mike is playing cars with his sister when he draws a card from a pack of 35 cars number from 1 to 35. what is the probability of drawing number that is divisible by 5?

*asked on May 27, 2014* -
## Chemistry

Calculate the density of a metal object that has a dull surface and an irregular shape. It has a mass of 321 grams and a volume of 45.2 cm 3.

*asked on February 6, 2012* -
## Math

Suppose U={1,2,3,4,5,6,7,8}is the universal set and P={1,2,3,4}. What is P? A.{5,6,7,8} B.{1,2,3,4,5,6,78} C.{1,2,3,4} D. Cannot be determined. I think it's either B or D. Please correct me if I am wrong. Thank you!

*asked on January 26, 2015* -
## Algebra

How do you write out 5 by 13 product of 13 and z?

*asked on April 14, 2019* -
## math

Karen and Alicia sell TVs. Last month Alicia sold 15 less TVs than Karen. Together they sold 99. How many TVs did Karen sell?

*asked on December 14, 2014* -
## Financial Analysis - free cash flows

b. Do negative values of free cash flow in way alter or invalidate the notion that a company's fair market value equals the present value of its free cash flows discounted at the company’s weighted average cost of capital? Suppose a company's free cash

*asked on March 1, 2007* -
## math

Which of the following statements is a true proportion? 18/42=12/18,18/42=9/24,18/42=21/48,or 18/42=118/142

*asked on March 15, 2016* -
## Data analysis

Question 1 Production Rates A manufacturing company wishes to find out whether the productivity of its workforce has increased now that they have a new machine. The factory examined the records for a random sample of 8 hours over the past month. The hourly

*asked on May 2, 2016* -
## Math

1) Solve the equation for p. Identify any extraneous solutions. √p=-1 A) -1 is a solution of the original equation. 1 is an extraneous solution. B) 1 is a solution of the original equation. C) 1 is a solution of the original equation. -1 is an extraneous

*asked on April 22, 2015* -
## Math

1)How many real number solutions does the equation have? -8x^2-8x-2=0 A) One Solution B) Two Solutions C) No solutions D) Infinitely many solutions If someone could help me with this that would be great since I am confused. Thank you!

*asked on April 6, 2015* -
## physics

During strenuous exercise, it is possible to exert forces to the joints easily ten times greater than the weight being supported. What is the maximum force of friction under such conditions? The frictional forces in joints are relatively small in all

*asked on October 23, 2016* -
## English"My Antonia"

I need some help writing an essay on this topic- Discuss how realism affects the way a reader might approach the different issues in "My Antonia" such as suicide, the representation of the harshness of the prarie, or Jim's views of life. I'm not sure what

*asked on January 8, 2007* -
## math

find the value of y in this equation: 16y=164

*asked on June 21, 2012* -
## data analysis- math

Question 1 Production Rates A manufacturing company wishes to find out whether the productivity of its workforce has increased now that they have a new machine. The factory examined the records for a random sample of 8 hours over the past month. The hourly

*asked on May 3, 2016* -
## Check Answers (Math)

1. Which binomial is a factor of x^3-3x^2-28x? A. x-4 B.x^2-4 C.x-7*** x^2-7 2. A company's profit is described by the equation. P(x)=-5^2+300x+15,000. Where x is the price in dollars that the company charges for its product. What should the company charge

*asked on February 3, 2015* -
## chemistry

Calculate the theoretical percentage of water present in cobalt (II) chloride hexahydrate, given that the molar mass is 237.93 g/mol and the molar mass of water in the compound is 108.12 g/mol. Question 8 options: 220% 50.5% 6% 45.4%

*asked on October 29, 2014* -
## math

if angle pqr=1 1/2 right angles find the reflex angle pqr

*asked on January 11, 2017* -
## science

Which of the following illustrates mechanical weathering? A. Carbonic acid weathers marble limestone B.As plants grow, they produce weak acids that slowly dissolve rock C.Oxidation causes weathering in rock D.Repeated freezing and thawing in rocks causes

*asked on March 5, 2015* -
## business math

Israel signed a simple discount promissory note for $15,000. The discount rate is 7.5%, and the term of the note is 120 days. What are Israel’s proceeds on the loan?

*asked on March 2, 2015* -
## Psy

you see with your brain not with your eyes Defend this statement with reference to the Young-Helmholtz theory of color vision and the optic disc

*asked on June 3, 2011* -
## Math

Diane is putting money into a checking account. Let represent the total amount of money in the account (in dollars). Let represent the number of weeks Diane has been adding money. Suppose that x and y are related by the equation 30x+450=y . Answer the

*asked on April 24, 2015* -
## ballou high school

The smith family is going to buy a home for 150,000 they will need a 10% down payment how much will they need

*asked on March 27, 2012* -
## Physics

you push with a 40-N horizontal force on a 2-kg box of coffee resting on a horizontal surface. The force of friction on the box is 12 N. Show that the acceleration is 4 m/s^2

*asked on September 26, 2010* -
## science

An object is placed at a distance of 12 cm from a concave mirror of radius of curvature 16 cm .find the position of the mirror.

*asked on October 22, 2016* -
## Math

Hi Sorry I'm reposting this question, I think the answer that was provided was not correct because of the ambiguity of the original question but if I could have someone workout the question as written it would be much appreciated: See below discussion.

*asked on November 20, 2010* -
## Finite Mathematics

compute the number of permutation that a chair, vice chair, secretary, treasurer and parliamentary can be chosen from a committee of twenty members.

*asked on September 18, 2018* -
## math

given the formula D=ABC, what is the formula for C?

*asked on June 21, 2012* -
## physics

find the revolutions of a bicycle wheel of diameter 0.8m when the bike goes a distance of 25m down the street.

*asked on May 15, 2011* -
## Chemistry

Write chemical formulas for compounds containing each of The following one phosphorus atom For every five chlorine atoms

*asked on September 29, 2019* -
## maths

karen decorated her mother's birthday cake. one-third of candles are pink, three-eights are yellow, one-quater are blue and the two remaining candles are white. calculate (a). the fraction of candles that are white. (b). the total number of candles on the

*asked on October 19, 2010* -
## math

LeBron scored a basket 72 times out of 150 shots. What percent of his shots did he score? A. 42% B. 50% C. 48% D. 63% My answer is 48% is this correct

*asked on March 17, 2016* -
## chemistry

how many valence electrons is an oxygen atom able to attract from other atoms

*asked on February 7, 2010* -
## chemistry

Consider the reaction below. C3H8 + 5 O2 3 CO2 + 4 H2O How many litres of CO2 will be produced when 10.0 L of O2 are completely reacted with C3H8? Assume that the volumes of the reagents and products are measured at constant pressure and temperature.

*asked on October 15, 2016* -
## Math

Please help! I am confused about this question and can not seem to get the answer. Thanks! 1) You choose a marble at random from a bag containing eight brown marbles, seven yellow marbles, and one purple marble. You replace the marble and then choose

*asked on May 14, 2015* -
## Health and Nutrition

Define carbohydrates, chemical make up and basic functions of sugars and starches in the body.

*asked on September 9, 2012* -
## math

solve the following equation: 6y - 20=2y -4

*asked on June 21, 2012* -
## math

a car uses 25 litres of petrol to travel 200 miles. how many litres of petrol will the car use to travel 450 miles?

*asked on October 16, 2010* -
## maths

a car uses 25 litres of petrol to travel 200 miles. how many litres of petrol will the car use to travel 450 miles?

*asked on October 15, 2010* -
## Physics

2300 Joules is used to lift a wheelbarrow through 4 meters up an inclined plane into a container. Why does the man use more joules (3500 J) to push the wheelbarrow?

*asked on February 19, 2017* -
## Chemistry

how many grams of CaCl2 would be required to be added to water to prepare 1 liter (1000 ml) of a 1.72% (w/v) aqueous solution of CaCl2?

*asked on April 27, 2011* -
## BioChemistry

Write the oxidation equation for sec-butyl alcohol. How do I do this?

*asked on February 9, 2011* -
## math

mr jones buys a new car for $50,000. the car decreases in value at the rate of 30% each year. find the value of the car after two years.

*asked on October 15, 2010* -
## Maths

Number of red circle shapes used in the patteren : 3 , 6 , 10 The first difference is +3 and + 4 which leads the second difference to be +1 What do I do after this? especially if the 1st difference is 1?

*asked on February 26, 2017* -
## Physics

if an acrobat who weighs 800 N is clinging to a vertical pol using only his hands, neither moving up nor down can we determine the coefficient of static friction between his hands and the pole? Explain your answer.

*asked on October 22, 2013* -
## calculus

Find dy/dx 4x^2+y^2-8x+4y+4=0, find points on graph of the equation where there is a vertical or horizontal tangent line

*asked on October 11, 2010* -
## Math

1) When will the dependent variable in the equation y=√x+4-3 equal or exceed to 4? A) x > or equal to -0.17 B) x > or equal to 45 C) x > or equal to 48 D) x > or equal to 53 2) The function t=√d/16 models the time (t) in seconds that an object has been

*asked on April 7, 2015* -
## General Biology

There is only one bag potato chips left on the planet Earth. Ed and Trina have found it on the far side of ‘look out’ mountain with 2 grams of water inside the bag. The chips were soggy. Until another source of nutrients has been discovered they must

*asked on February 6, 2013* -
## Health and Nutrition

what is the difference between simple and complex carbohydrates?

*asked on September 9, 2012* -
## math

simplify and solve this equation for q: 3q+ 5 + 2q - 5 =65

*asked on June 20, 2012* -
## biology

Explain negative feedback and give one example in the human body.

*asked on April 15, 2011* -
## Math

1) What is tan(a) for the triangle shown? BC has a length of 8. BA has a length of 17. AC has a length of 15. The right angle is on the BC sides lower left hand corner. A) 8/15 B) 15/8 C)17/8 D) 8/17 Whenever I try this I get weird answers. I am extremely

*asked on April 22, 2015* -
## Math

1. What is the value of z so that -9 and 9 are both solutions of x^2+z=103? a) -22 b) 3 c) 22 d) 184 2. What is the value of b in the triangle below? The triangle has one side that is 3b and another that is just b. The area of the triangle is 24in.^2. a)

*asked on March 16, 2015* -
## physics

4) Suppose the radius of a bicycle wheel is 20 cm. If it rotates at 1 complete rotation per second when you are riding the bicycle, a. What will the tire’s angular velocity be in rad/s?

*asked on February 7, 2013* -
## BioChemistry

Write the oxidation equation for sec-butyl alcohol. How do I do this?

*asked on February 9, 2011*