# Posts by Alexis

Total # Posts: 960

Algerbra
select the approximate values of x that are solutions to f(x) = 0, where f(x) = -8^2 + 2x + 2

The question mark was because i wasn't sure of the answer. Not sure about statement - Don't include a clause in an infinitive phrase. is this for #4 (infinitive phrase)? so the answer would be to sing a song and to end the evening (without adding that had been ...

Identify the infinitive phrase. 1. While the train was stopped at the station, Bugsy attempted to climb to the top of one of the freight cars. Ans: to climb to the top of one of the freight cars? 2. During the Great Depression, audiences wanted to laugh when they went to the ...

Physics
A car slows from 23 m/s to 3.4 m/s at a constant rate of 2.1 m/s2. How many seconds are required before the car is traveling at 3.4 m/s?

Chem
Assume low fat milk is 2.36 % buttermilk by volume. If you drink 3 L of milk, how many liters of butterfat have you drunk? =.0708 L Given that the density of the buttermilk is measured to be 0.79 g/mL and you have not drunk anymore milk, how many grams of buttermilk have you ...

algebra
Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -3x2 + 6x + 9

Markups and markdowns
Sally buys a hand bag. There was a discount of 30%.If Sally paid \$20,What was the original price?

Can you help me figure out the manipulated , responding, & controlled variables in the following? Walker wanted to test how weight of a paper airplane affected the distance the airplane flew. he stood at the starting line and threw the airplane. He measured how far the paper ...

oh! I see. I thought i needed a formula. 9000m + 19000m = 28000m Thanks!

Can you help me with this science question: from sea level, the biosphere goes up about 9km and down about 19km. What is the thickness of the biosphere in meters? (there wasn't a formula in the workbook). Thanks

chemistry
Which one of the following is a characteristic of a metal? A. Reacts with bases to produce salts B. Changes the color of litmus paper to red C. Becomes negative when combined with other elements D. Conducts heat readily

Pre algebra
Will has a mean score of 62 on the first five test in science. if he gets a 50 on the next test what will his mean be then?

babysitting
5) Which foods hinder the absorption of less absorbable forms of irons in foods, such as whole grains, dried peas or beans? A. Orange juice or other forms of Vitamin C B. Milk products or eggs C. Tea D. All of the above E. B and C 6) Which vegetable would cause the blood ...

US Government
courts issued court orders, or i-j--cti--, to make sure that people of color were allowed to vote

Math Personal Finance
A friend tells you that her savings account doubled in 9 years. Use the Rule of 72 to estimate what the APR of her account was.

Math Personal Finance
A friend tells you that her savings account doubled in years. Use the Rule of 72 to estimate what the APR of her account was. APR=____%

Math Personal Finance
What is the present value of an investment that will be worth \$2000 at the end of five years? Assume an APR of 6% compounded monthly. Present Value= \$____

Math Personal Finance
What is the present value of an investment that will be worth \$2000 at the end of five years? Assume an APR (Annual Percentage Rate) of 6% compounded monthly. The present value is \$_____ .

Math Personal Finance
Assume an 18-month CD purchased for \$7000 pays an APR of 5% compounded monthly. What is the APY? APY=____%

Math Personal Finance
Assume an investment of \$100 earns an APR (Annual Percentage Rate) of 5% compounded annually. The balance after 190 years will be \$______.

Math Personal Finance
Assume an investment of \$7000 earns an APR (Annual Percentage Rate) of 6% compounded monthly for 18 months. The money in your account after 18 months will be \$______.

Math Personal Finance
Assume we invest \$2000 for one year in a savings account that pays an APR (Annual Percentage Rate) of 10% compounded quarterly. The compound interest formula is: Balance after t periods = Principal × (1 + r)t The final balance using the compound interest formula is \$...

Math Personal Finance
Assume we invest \$2000 for one year in a savings account that pays an APR (Annual Percentage Rate) of 10% compounded quarterly. Calculate the interest and compound it by hand each quarter rather than using the compound interest formula. The total interest the account has ...

Math Personal Finance
Assume a 30-month CD purchased for \$4000 pays simple interest at an annual rate of 5.5%. How much total interest does it earn? What is the balance at maturity?

Personal Finance
Suppose you put in a savings account at an APR of 6% compounded monthly. Fill in the table below rounding your answers to the nearest cent. (Calculate the interest and compound it by hand each month rather than using the compound interest formula.) Month Interest Earned ...

Math Personal Finance
Assume a 30-month CD purchased for pays simple interest at an annual rate of 5.5%. How much total interest does it earn? What is the balance at maturity?

Math
Marisol invested \$48,000 in an 18 month CD with a 4.28% APY compounded monthly. What will be the value of the CD be after the 18 months?

Math
In 1986 an earthquake measuring 5.0 on the Richter scale hit northeast Ohio. This earthquake is _______ times as intense as a magnitude 2.0 quake

trig
A loading ramp is 35 feet long and forms an angle measuring 10° with the ground. How high is the top end of the ramp off the ground? Round your answer to the nearest tenth?

Math
The right side of the orchestra section of the Nederlander Theatre in New York City has 19 rows, and the last row has 27 seats. The number of seats in each row increases by 1 as you move toward the back of the section. How many seats are in this section of the theatre?

Math
Courtney organized a charity walk. In the first year, the walk generated \$3000. She hopes to increase this amount by \$900 each year for the next several years. If her goal is met, in how many years will the walk have generated a total of at least \$65,000 for the charity?

Pre-Calc
Word of mouth advertising can be an effective form of marketing , or it can be very harmful. Consider a new restaurant that serves 27 customers on its opening night. A) Of the 27 customers , 25 found the experience enjoyable and each told 3 friends over the next month. This ...

math
adult tickets to a play are \$12 student tickets are only \$8 if a theater sells 90 tiickets to a play for a total of \$980, how many of each kind of ticket did the theater sell?

Chemistry
Using a table of standard reduction potentials, determine the best answer to the following questions. a) Which of the following reagents would oxidize Cr to Cr3 , but not Ag to Ag ? Choices: Ca^2+, Br2, Co^2+, Ca, Br^-, or Co. b) Which of the following reagents would oxidize I...

chemistry
C5H12 because the boiling point falls between Butane (C4H10) and Hexane's (C6H14) boiling points. The only compound that falls between the two is pentane

Chemistry
Hydrogen peroxide can act as either an oxidizing agent or a reducing agent, depending on the species present in solution. Write balanced half-reaction equations for each of the following: (a) H2O2(aq) acting as an oxidizing agent in an acidic solution. Write the balanced half-...

Chemistry
use the data from this table of thermodynamic properties to calculate the maximum amount of work that can be obtained from the combustion of 1.00 moles of ethane, CH3CH3(g), at 25 °C and standard conditions. on the chart is said ethane(C2H6) is -84.0. In the hint it said ...

Chemistry
At 25 °C, the equilibrium partial pressures for the following reaction were found to be PA = 4.10 bar, PB = 5.60 bar, PC = 1.20 bar, and PD = 9.70 bar. 2A(g)+2B(g)-->C(g)+ 3D(g) What is the standard change in Gibbs free energy of this reaction at 25 °C. I don't ...

So... In sentence 1, the adjective clause is needed to let us know what stadium we're talking about. So we don't need to use a comma. In sentence 2, the adjective clause is not needed because we already mentioned my father as the subject. So, a comma can be used to set...

Can you explain why the comma used in sentence 1 is not correct as compared to the comma used in sentence 2? (from homework) 1. The stadium, that my favorite team plays in, seats over 81,000 people. 2. My father, who is an excellent reader, finished a 500 page book in one day!

Chemistry
Calculate ΔG° for the following reaction at 298 K.? A+B --> 2D ΔH° = 775.0 kJ ΔS°=296.0 J/K C --> D ΔH° = 446.0 kJ ΔS°=-218.0 J/K A+B --> 2C ΔG° = ? kJ I know I am suppose to reverse the (C --> D) and add a ...

Chemistry
Thanks DrBob222!

Chemistry
If delta H°rxn and delta S°rxn are both positive values, what drives the spontaneous reaction and in what direction at standard conditions? The spontaneous reaction is a)enthalpy driven to the left. b)entropy driven to the right. c)entropy driven to the left. d)...

Chemistry
Thank you. I understand it a lot better. And as for equation, I figure that I figure that I left out the kPa. so that for the first process, there is a decrease in pressure so more movement for the molecules therefore S increases, right?

Chemistry
Predict how the entropy of the substance is affected in the following processes: a) O2 (g,200 kPa, 300k) --> O2 (g, 100, 300k) b)Br2 (l, 1 bar, 25 degree C) --> Br2 (g, 1 bar, 25 degree C) C)Fe (s, 1 bar, 250 degree C)--> Fe(s, 1 bar, 25 degree C) will entropy either ...

Can you check my homework, please? Identify each pronoun as personal, reflexive, demonstrative, indefinite or interogative. 1. These are Elberta peaches, which are very popular in the United States. Ans: these = indefinite 2. Nobody really knows where the fruit came from ...

Chemistry
A solution of I2 was standardized with ascorbic acid. Using a 0.0500 g sample of the acid, 26.50 mL of I2 were required to reach the starch end point.

Chemistry
A 0.170-mole quantity of CoCl2 is added to a liter of 1.20 M NH3 solution. What is the concentration of Co2 ions at equilibrium? Assume the formation constant (Kf) of Co(NH3)62 is 5.0× 1031 M–6. I don't really know how to start. At first I thought about setting ...

Algebra II
The diagram shows the plan made by a landscape artist for a homeowner's 16-meter by a 16-meter backyard . The homeowner has requested that rosebushes, fountain, and garden bench be placed so that they are no more that 14 meters apart. A). Has the landscape artist met the ...

Algebra 11
The diagram shows the plan made by a landscape artist for a homeowner's 16-meter by a 16-meter backyard . The homeowner has requested that rosebushes, fountain, and garden bench be placed so that they are no more that 14 meters apart. A). Has the landscape artist met the ...

Algebra II
One method of irrigating crops is called the center picot system. This system rotates a sprinkler pipe from the center of the field to be irrigated. Suppose a farmer places one of these units at the center of a square plot of land 2500 feet on each side. With the center of ...

chemistry
3.4 * 10^3

thanks!

Can you check my answers? Name type of sentences 1. I believe my students are ready to take this test because everybody has worked hard to learn the material. Ans:complex independent - I believe my students are ready to take this test dependent - because everybody has worked ...

Spanish 2
Re-write the following sentences in correct Spanish and use direct and indirect object pronouns. 1.) We need to wash the car for you. 2.) We used to wash the car. 3.) Mom makes pizza. 4.) Mom makes pizza for me. 5.) I want to see a movie.(una película) 6.) Mom wants to ...

thank you for explaining :)

14. I can accept the rain and wind since I know that these two elements are important to water the earth and then to dry it back out again. ans: complex I can accept the rain and wind = independent clause since I know that these two elements are important to water the earth = ...

Can you recheck these? I don't understand. 10. I enjoy it because the temperature is pleasant, and everything is green and pretty. ans: cd (compound) 11. I also love to hear the birds singing in the trees and to watch them building their nests. ans: SS (simple) 13. In the ...

No, i don't understand. 10. I enjoy it because the temperature is pleasant, and everything is green and pretty. ans: cd (compound) 11. I also love to hear the birds singing in the trees and to watch them building their nests. ans: ss (simple sentence)

Can you check the following? Find the verb phrase 1. Will you buy me a drink? ans: will buy 2. Sam is not going to the dance. ans: is going 3. Al should have mowed the lawn today. ans: should have mowed 4. Theresa will be playing her clarinet at the concert tonight. ans: will ...

Algebra
Daniel has a piece of wire that is a fifth of a yard long. He cuts the wire into three equal pieces. What fraction of a yard is each piece?

Algebra II
Simplify 4-7i/2+5i

Pre-Calculus
Express the complex number in polar form. 5-12i

Pre-Calculus
Find this quotient. Express the result in rectangular form. 9(cos3π/2 + isin3π/2) ÷ 3(cosπ/4 + isinπ/4)

Pre-Calculus
Express the number in rectangular form. 3(cosπ/3+isinπ/3)

Pre Calculus
Find each product or quotient. Express the result in rectangular form. 2(cosπ/6+isinπ/6) X 4(cos2π/3 +i2π/3)

Calculus
Find four other forms of the point (4, 105°) Two of the four must include a negative r value.

Pre-Calculus
Write the polar equation in rectangular form... r=5sintheta

Pre-Calculus
Find the polar coordinates of each point with the given rectangular coordinates. Use degrees. (-4,-3)

Pre Calculus
Write the rectangular equation in polar form... x=3

Pre-Calculus
Find the rectangular coordinates of the point with the given polar coordinates. (3, 150°)

I have to determine which method - mean, median, or mode - would be best for answering the following question: Find the average number of athletes for the sample of 7 countries listed by deciding which measure of center is the best represntation of the number of athletes from ...

Can you explain why Q1 = 3.5 and Q3 is 9 out of this dataset 0, 1, 3, 4, 6, 7, 7, 7, 8, 10, 12, 12. My answers were: Assuming median would be 7 (using numbers in positions 6 and 7 where 7+7/2 = 7) Q1 dataset would be 0,1,3,4,6; Q1 = 3 Q2 dataset would be 7,8,10,12,12; Q3= 10 ...

Pre-Calculus
Find vector a<3,2,-4> X vector b<-6, 9,0>

Pre-Calculus
Phil Dawson is a professional place kicker for the Cleveland Browns. On average, he kicks the ball at a 41 degree angle and with an initial speed of 70 feet per second. For future reference, goal posts are 10 feet high in the NFL. a) Write parametric equations to model Dawson...

Pre-Calculus
Write an equation in slope-intercept form of the line with the given parametric equations. x=t+6 y=2t-4

Pre-Calculus
Write Parametric equations of -3x+1/2y=2

Pre-Calculus
A 15N force acting at 15 degrees north of east and a 18N force acting at 79 degrees north of west act concurrently on an object. What is the magnitude and direction of a third force that produces equilibrium on the object? Show sketch and work. ------ x-component:: 15*cos(15 ...

Math
Jake serves a volleyball with an initial velocity of 32 feet per second from 4.5 feet above the ground at an angle 0f 35 degrees. a) Write parametric equations to model the situation. h(t) = -16t^2 + 32t + 4.5 --------------------------------------- b) How long will the ball ...

Pre-Calculus
Phil Dawson is a professional place kicker for the Cleveland Browns. On average, he kicks the ball at a 41 degree angle with an initial speed of 70 feet per second. For future reference, goal posts are 10 feet high in the NFL. a) Write parametric equations to model Dawson'...

Pre-Calculus
Write Parametric equations of -3x+1/2y=2

Pre-Calculus
Jake serves a volleyball with an initial velocity of 32 feet per second from 4.5 feet above the ground at an angle 0f 35 degrees. a) Write parametric equations to model the situation. b) How far will the ball travel( if it hits the ground)show work

Algebra
For a given two-digit number, the second digit is 2 more than 5 times the first digit. Also, 5 times the first digit is 3 more than the second digit. Find the two-digit number,

Math
dont know

math
40

I picked B. When the interior of a car absorbs sunlight and warms up because the window is trapping/absorbing heat in the car

arithmetic sequences
a new car cost \$13,000 and is depreciating by \$900 each year. how much will the car cost be worth after 4 years?

arithmetic sequences
a tube containing 3 ounces of toothpaste is being used at at rate of 0.15 ounces per day. how much toothpaste will be in the tube after one week?

arithmetic sequences
jessie is playing an arcade game that costs 50cents for the first game and 25cents to continue if she loses. how much will she spend on the game if she continues 9 times?

algebra
a new car costs \$13,000 and is depreciating by \$900 each year..how much will the car be worth after 4 years?

EARTH SCIENCE
is not d

social studies
list and describe the problems that the new state of louisiana faced

how do i do interval notation

Vocbulary
Forming an unbroken whole; without interruption.

Statistics
You are so welcome

Statistics
Yes

Statistics
The null hypothesis will be that all population means are equal, the alternative hypothesis is that at least one mean is different.

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