# Posts by jess

Total # Posts: 1,109

**Math **

Kaitlyn needs 3 pounds of fruit for a salad. She already has 3/4 pound of apples and 1/3 pound of grapes. What fruits Kalen can add she already has to make exactly 3 pounds of fruit. Choices are 2/3 1/8 3/4

**Algebra**

allan borrowed $6400 from his father to buy a car. he repaid him after 9 months with interest of 8% per year. find the total amount he repaid.

**Physics**

A 72.0 kg swimmer jumps into the old swimming hole from a tree limb that is 4.00 m above the water. Part A- Use energy conservation to find his speed just as he hits the water if he just holds his nose and drops in. Part B- Use energy conservation to find his speed just as he ...

**Physics**

Nvm guys, I got it ! A- k=F(delta x)=28N/(0.190-0.162)=1000N/m B- w=1/2mv^2= 1/2(1000)(0.190-0.162)^2=0.392J C- delta x = F/k=56N/1000=0.056 + 0.162= 0.218m= 21.8cm

**Physics**

A spring is 16.2 cm long when it is lying on a table. One end is then attached to a hook and the other end is pulled by a force that increases to 28.0 N , causing the spring to stretch to a length of 19.0 cm . Part A What is the force constant of this spring? Part B-How much ...

**geography and history**

Your the best Molly I really needed the answers. Listen to Molly she is 100% correct!

**math**

hOW can I solve this by elimination? I know how to solve by substitution but not elimination 3x – 2y = 0 9x + 8y = 7

**math**

how would I solve this using ELIMINATION not substitution -2x+3y=1 -4x+y=-3

**Chemistry**

1. The value of ?H° for the reaction below is -6535 kJ. _________ kJ of heat are released in the combustion of 16.0 g C6H6 (l). 2C6H6 (l) + 15O2 (g) --> 12CO2 (g) + 6H20 (l) 3. Given the following reactions CaCO3 (s) --> CaO (s) + CO2 (g) ?H = 178.1 kJ C (s,graphite...

**Economics**

The pricing of pharmaceutical products can be controversial. A recent example is EpiPen produced by Mylan which is used to treat anaphylaxis. The retail price of an EpiPen is $300, while industry sources estimate that it costs around $30 to produce each unit (i.e. one dose). ...

**Science**

What is the density of a book whose mass is 1,800 g and whose volume is 300 cm3? *My Answer*You want to identify the numbers first, density = mass ÷ volume. Which would give you, 1800g ÷ 300 cm³ = 6 g/cm³. *Cant Figure Out *What is the mass of a ball ...

**math**

20

**Math**

which symbol is used to make -6 ? |-8| a true statement? >* < = which symbol is used to make -5 ? -8 a true statement? > <* =

**Chemistry**

Classify the substances as atomic elements, molecular elements, molecular compounds, or ionic compounds. CO2, HCl, Al2S3, Cd, F2,Ag,O2,NaCl

**English Writing**

Thank you very much that helps me out a lot! I appreciate it!

**English Writing**

Thank you very much that helps me out a lot! I appreciate it!

**English Writing**

Writeacher- from the webpage, my understanding is thesis statements don't always have to have a three point sentence with it? I could say people really like the song Every Rose has its thorn because the literal meaning behind the words in the song mean much more than what ...

**English Writing**

should my these consists of like people really like the song because of the meaning used in the song, the instruments used, and ..... not sure what to write!

**English Writing**

Can someone help me write thesis statement for my paper on how the song’s use of figurative language contributes to its appeal to its listeners? The song is "Every Rose Has Its Thorn". I know there is a lot of metaphor used in the song. but cannot come up with a...

**Bio**

Just needed some clarity for exactly why. Any help would be helpful! Would yeast ever go through all the stages of respiration as humans? Why? & also Would humans in general ever go through fermentation as yeast cells do?

**Biology!!**

1. what's a huge difference between the chemical equations for Respiration and Alcoholic fermentation &... What determines whether a facultative organism will go through respiration or fermentation *For the first part of the Question, (I looked it up but I wasn't sure ...

**Economic**

Ok

**Economic**

I was pretty sure the answer was b but I got it wrong

**Economic**

Am not sure

**Economic**

This is my second time taking the test but I choose b and I got it wrong

**Economic**

I choose b but I got it wrong

**Economic**

Am I right?

**Economic**

A?

**Economic **

Which of the following is not a benefit of foreign trade? a. it allows each country to produce the goods for which they have the lowest opportunity cost. b. nations become dependent on each other c. specialization creates better products d. it is mutually beneficial because ...

**Economic**

Thanks

**Economic**

Is it A?

**Economic **

Why does globalization sometimes cause job loss in developed nations? a. Globalization prevents companies from hiring more workers. b. The movement of jobs to other countries can cause unemployment. c. Working conditions in LDCs are often worse than in developed countries. d. ...

**Social Studies**

How did immigration affect immigrants and other Americans around 1900?

**maths**

I am sewing a skirt and i need a total of 390cm of different coloured ribbon. The white ribbon needs to be 40cm longer than the red ribbon while the blue ribbon needs to be 3 times as long as the red ribbon. the purple ribbon is half as long as the white ribbon. How long is ...

**math**

log(u^2÷v) ^3

**maths**

a car travels due south for 3km the due east for 8km. What is the true bearing of the car from the starting point?

**math**

i have four digits i am more than 2500 i am less than 3000 my hundred digits id 6 my tens digit is one less than my hundreds digit my unit digit is 0 what number am i?

**Finance**

1333.33

**Physics**

A car moving at 60 km/h skids 13 m with locked brakes. How far will the car skid with locked brakes at 180 km/h?

**Math 1**

95%

**Math**

68%

**Science/Biology/Health and Social Care**

What would happen if the body didn't have any energy? I have looked at Anabolism and Catabolism but I am overall, stuck answering this fully.

**Science**

nvm I got my answer :)

**Science**

Why is photosynthesis an example of a chemical reaction, and why is it classified as endothermic? Help please

**Math**

A ten-foot-long board is cut into three pieces. The second piece is half as long as the first. The third piece is 4 feet longer than the second. How long is the first piece? Answer: 2 3/4 feet If f(x)=2x2+1/2x-4, what is f(-1/2)? Answer: -15/4 **I am studying for a test and am...

**Math**

A boy is mowing a rectangular lawn 40ft long and 30ft wide. He has cut all of it except for a rectangle that is 20ft long and 15ft wide. What fractional part of the lawn remains uncut? I need helping figuring out how to solve this. My answer sheet says its 1/4 but I don't ...

**math**

The symbols that stand for amounts are called

**Math**

22 people. Thank you, this help will help me so much for future questions

**Math**

Have trouble with math mixtures problem!! AT a family reunion, the average age of all those present was 45 years. If the two oldest people, aged 86 and 84 years, had not been present, the average age would have been 41 years. How many peoeple were at the reunion.

**Math**

100 yellow, 105 pink, and 410 red. Thank you so much this really help

**Math**

I am having trouble with this math Mixture problem. shirley has a quantity of yellow tulip bulbs worth .10 cents each, pink tulip bulbs worth .20 cents each and red tulip bulbs worth .25 cents each. In her total collection of bulbs, there are five more pink bulbs than yellow ...

**Math HELP!**

Point 1 (x1,y1)= (3,2) Point 2 (x2,y2)= (5,6) Slope: m=rise/run ; m=y2-y1/xs-x1 ; m= 6-2/5-3 = 2 m=2 Point slope form: (y-y1)=m(x-x1) I used point 1 so, y-2=2(x-3) Answer: y=2x-4 and the answer would be the same if I used point 2 (5,6) MY QUESTION IS: Using the points given ...

**physics**

A car starts from rest and accelerates for 8.7 s with an acceleration of 4.4 m/s 2 . How far does it travel? Answer in units of m.

**math**

S varies directly to the square of t. Given that S = 100, when t = 4, calculate the value of: a) k, the constant of proportionality b) S when t = 8 c) t when S = 1

**math**

wx + zy = c Solve for y. I don't understand this. If you know what Carnegie is, then you would know I don't really understand. So please help me. help me with the steps

**Maths**

The question is find the common factors of 12x, 36 When we solve it ; 12x =2×3×2×(×) 36=2×3×2×3 Common factors 2 , 2 and 3 then why fo we multiply the these numbers *in my book the answer is 2×2×3 =6 ( the question says ...

**Math**

A farmer has two blends of grain, one 50% barley and the other 20% barley. How many pounds of each each blend should be used to create a 45 pound mix that is 30% barley ?

**chemistry**

Molten Al2O3 is reduced by electrolysis at low potentials and high currents. If 1.5 x 10^4 amperes of current is passed through molten Al2O3 for 8.0 hours, what mass of Al is produced? Assume 100% current efficiency? Mdep = ([1.5 x 10^ x 28800s ]/ 96500) x (26.98/6e) = 20130g ...

**Math**

leila, Henry, and Miguel have a total of 87 in their wallets. Henry has 2 times what Miguel has. Leila has 5 less than Miguel. How much does each have?

**PsychologicaStatistics**

Suggest one psychological research question that could be answered by each of the following types of statistical tests: z test t test for independent samples, and t test for dependent samples

**math**

seven less than a number is 14 more than 2 times that number. what is that number

**Chemistry**

The half life of radon 222 is 3.82 days. If the initial mass of a sample of radon 222 is 198.72 grams, how much will remain after 19.25 days?

**English**

I'm not sure how to start my introduction paragraph in this 5 page essay im *discussing the effects of Loneliness and Rejection & also include psychological research and references to the novel, Frankenstein by Mary Shelley. I have info on Frankenstein but I'm not sure...

**CHEMISTRY**

As a technician in a large pharmaceutical research firm, you need to produce 450. mL of 1.00 M a phosphate buffer solution of pH = 7.20. The pKa of H2PO4− is 7.21. You have 2.00 L of 1.00 M KH2PO4 solution and 1.50 L of 1.00 M K2HPO4 solution, as well as a carboy of pure...

**chemistry**

Which of the following is an ortho directing group? a) CN b) CO2Me c) OMe d) NO2 I have drawn most of them out, CN has no delocalised electrons to contribute e- density hence EWG. For NO2 inductive effect is strong and hence is a EWG and meta directing. OME EDG -> Ortho im ...

**math**

Karl has an annual salary of $22,000 and pays $250 each month for car insurance. a) Find Karl’s annual cost for car insurance b) Karl’s payments on car insurance is what percentage of his annual income?State your answer to the nearest whole number.

**SOC120**

10. Florynce Kennedy would agree with which statement? (Points : 1) A) Making abortion illegal is the result of continual undermining of women’s rights. B) If men could get pregnant, abortion would be illegal. C) Women have had historical power to make decisions about ...

**chemistry**

The equilibrium constant for the reaction Cu3(PO4)2(s) 3 Cu2+(aq) + 2 PO43–(aq) is K = 1.40 x 10–37. Suppose that a beaker is filled to 1 L with a solution containing [Cu2+] = [PO43–] = 10.0 nM, and ...

**math**

Write this in scientific notation. (1.4*10^1)(8*10^4) a)9.4*10^4***** b)9.4*10^5 c)1.12*10^5 d)1.12*10^6 Please cheek my answer i am not sure if I am right or wrong.

**chemistry**

Suppose that 9.6 mL of 1.5 M KOH(aq) is transferred to a 250 mL volumetric flask and diluted to the mark. It was found that 31.5 mL of this diluted solution solution was needed to reach the stoichiometric point in a titration of 9.6 mL of a phosphoric acid solution according ...

**chemistry**

it was 0.1906 i figured it out

**chemistry**

QUESTION 4 Data Set 3: 47.65 mL of a standard 0.1000 mol L–1 HCl solution is used to titrate a 0.3827 g sample containing NaOH and other impurities. None of the impurities reacted with the HCl. What is the mass of NaOH in the sample? a. 0.1737 g b. 0.2103 g c. 0.1906 g d...

**science**

Chromium (III) iodate has a Ksp at 25°C of 5.0 x 10–6. 125 mL of a solution contains 0.0050 mol L–1 Cr (III) ion. Possible answers: a. 8.4 x 10–2 mol L–1 b. 2.2 x 10–3 mol L–1 c. 6.3 x 10–2 mol L–1 d. 2.1 x 10–2 mol L–1 ...

**chemistry**

QUESTION 11 Information Set 1: Chromium (III) iodate has a Ksp at 25°C of 5.0 x 10–6. 125 mL of a solution contains 0.0050 mol L–1 Cr (III) ion. What is the molar solubility of chromium (III) iodate at 25°C? a. 8.4 x 10–2 mol L–1 b. 2.2 x 10–3 ...

**Chemistry**

Chromium (III) iodate has a Ksp at 25°C of 5.0 x 10–6. 125 mL of a solution contains 0.0050 mol L–1 Cr (III) ion. What is the molar solubility of chromium (III) iodate at 25°C? a. 8.4 x 10–2 mol L–1 b. 2.2 x 10–3 mol L–1 c. 6.3 x 10–...

**Math Help Please? (check my work?)**

Thanks for the answers 100%

**chemistry**

Chromium (III) iodate has a Ksp at 25°C of 5.0 x 10–6. 125 mL of a solution contains 0.0050 mol L–1 Cr (III) ion. What is the molar solubility of chromium (III) iodate at 25°C? a. 8.4 x 10–2 mol L–1 b. 2.2 x 10–3 mol L–1 c. 6.3 x 10–2...

**chemistry**

A buffer is prepared consisting of 0.75 mol of sodium dihydrogenphosphate, NaH2PO4, and 0.60 mol of sodium hydrogenphosphate, Na2HPO4, dissolved in 600.0 mL of water. The Ka for the dihydrogenphosphate ion is 6.2 x 10–8 at 25°C. Which of the following is another ...

**Exexponential Growth Modeling**

Researchers find that there are 60 Raccoons on an island. When they return a year later, they find that there are 84. What is the annual population growth rate for the raccoons?

**linear modeling**

The fair market rental rate for Columbus was $730 in 2013 and $551 in 2003. Find the average rate of change for rent in Columbus during this period.

**English rammar, Please correct my sentenced gramma**

April 20,2016 Genecito Jimenez Lot 32 Blk 96 Bautista st. Zone 10 Dasmarinas City Cavite. tel: 046-4725645 Dear Sir, Mrs. Maria Teresa P. Eleon is permanently staying in my apartment with her family and she is a good person in our community. Please kindly allow her to open a ...

**Math, word problem**

A gardener needs to enclose three adjacent rectangular gardens, one for tomatoes, one for squash, and one for pumpkin. If 400 feet of fencing is available, what is the largest total area that can be enclosed?

**math**

which three-dimensional figure has all triangular faces? A. triangular prism B. triangular pyramid***i pick B.*** C. rectangular pyramid D. cone

**Social Studies**

I got 3 last questions to ask. 1. Nation state a and nation state b share a border. the two nation-states are arguing over immigration policies regarding the border. what are two ways that the nation-sates could resolve their dispute? 2. How might citizens engage in civic life...

**Social Studies**

Ah, it'd be D then, right?

**Social Studies**

The federal system and the unitary system most differ in that, A-): The unitary system has many different levels of government, but the federal system does not. B-): The Federal system allows citizens to vote on leaders, but the unitary system does not. **** C-): The unitary ...

**Social Studies**

Thank you!

**Social Studies**

Which of the functions would an international organization not perform? A-) Encourage greater trade among nation-states. B-) Help establish treaties between nation-states. C-) Set binding laws for nation states. ***** D-) Support multinational health and education services.

**Algebra**

Tɨċҡɛts tօ a ʍɨɖɖʟɛ sċɦօօʟ sօċċɛʀ ɢaʍɛ ċօsts $4 ʄօʀ ċɦɨʟɖʀɛռ aռɖ $5 ʄ...

**Calculus**

Given that the antiderivative of f(x) = e4x is F(x) = 1/4e^4x+C, evaluate the integral from 0 to 2 of e^4x, dx. e^8 1/4(1-e^8) 1/4(e^8-1) 1/4e^8 (MY ANNSWER)

**Calculus**

Determine the interval on which f(x) = ln(x) is integrable. (0, ‡) [0, ‡) (−‡, 0) U (0, ‡)(MY ANSWER) All reals

**english**

nevermind i got it

**english**

yes i really don't get it

**english**

II. By the end of Romeo and Juliet, Paris and Romeo, both of whom loved Juliet, are dead. The two characters, however, are very different. Write an essay comparing and contrasting the two men. The introduction of your essay should include an attention-getter and thesis ...

**biochem'**

A flask contains 300 ml of 0.4M NaCl. ¿How many moles of NaCl are in 15ml?

**Science.**

Glad you were able to figure it out!!

**Math**

Your computer supply store sells two types of laser printers. The first type, A, has a cost of $86 and you make a $45 profit on each one. The second type, B, has a cost of $130 and you make a $35 profit on each one. You expect to sell at least 100 laser printers this month and...

**English**

You are very welcome!! So glad I could help! :) Have a happy day!

**English**

The answer is A- point of view.

**Math**

A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true. Show your work.Sn: 1^2 + 4^2 + 7^2 + . . . + (3n - 2)^2 = Not exactly sure how to do this! Could someone help?