# Lori

Newest questions and responses by Lori-
## math grade 5

Name each number in two different ways. 90,000,000 40,000

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

A patient receives 3.2 L of glucose solution intravenously (IV). If 100. mL of the solution contains 5.0 g of glucose (carbohydrate), how many kilocalories did the patient obtain from the glucose solution? *If anyone could help me with this, please show

*asked on September 3, 2018* -
## Science

If I want to do an experiment to find which route to class is faster (route 1 or route 2), what would be my control group and what would be my treatment group in the experiment?

*asked on January 29, 2018* -
## math

I have 440 feet of fence. After fencing in a square region, I have 136 feet of fence left

*asked on May 20, 2017* -
## Physics

The Little Prince is a fictional character who lives on a very small planet as shown in the figure below. Suppose that the planet has a mass of 1.95 1013 kg and a radius of 1.06 103 m. (a) How long would it take for an object to fall from rest a vertical

*asked on May 18, 2017* -
## math

need to write an equation only for: four less than half a number

*asked on March 13, 2017* -
## math

What is the function rule with input of 18,6,10,22,4,14 and output of 13,7,9,_,_. The last 2 outputs are blank as we need to figure out the rule and then fill in the blanks.

*asked on January 23, 2017* -
## Science

why can't a model of the solar system be proportionate in distance b/w the planets and size of the planets? I think that a scale model that is proportionate could include both

*asked on January 19, 2017* -
## tribal government

if the tribal government don't recognize judicial board does separation of powers still work

*asked on December 10, 2016* -
## political

when there is no judicial board is there seperation of powers for political

*asked on December 10, 2016* -
## probability

If a soccer team won 60% of the games in which its players scored 5 or more goals, what is the probability of choosing a game in in which the team scored 0-4 goals and won the game? The season so far is they have won 3 games scoring 0-4 goals, won 3 games

*asked on December 8, 2016* -
## Economics

Suppose the market demand and supply are given by Qs = -50 + 3P and Qd = 300 - 4P. What is the equilibrium price? ? is the answer 50

*asked on May 22, 2016* -
## Pre algebra

A coin is tossed and a number cube is rolled. What is the probability that the coin shows heads and the number cube shows 6?

*asked on May 20, 2016* -
## Chemistry

In a laboratory, the following reaction is performed by combining 358 g of H2O and a sufficient amount of CaC2. The percent yield for this reaction is 94.5%. Calculate the actual yield of acetylene (C2H2) in grams from this reaction. CaC2 + 2H2O C2H2 +

*asked on May 1, 2016* -
## Math

How many 1/2 sq ft tiles to cover a desk that is 5 1/2 ft long and 3 1/2 ft wide?

*asked on April 12, 2016* -
## Math w/business apps

How much should be invested at 6% compounded monthly so that the investment will be worth $20,000 in six years?

*asked on April 8, 2016* -
## Chemistry

If the percent (mass/mass) for a solute is 6% and the mass of the solution is 300 g., what is the mass of solute in solution?

*asked on March 14, 2016* -
## Chemistry

What is the mass of Na2SO4 is needed to make 1.5 L of 3.0 M solution? Na=23 g.: s = 32 g: O=16g.)

*asked on March 14, 2016* -
## chemistry

If the solubility of gas in water is 5.0g/L when the pressure of the gas about the water is 2.0 atm, what is the pressure of the gas above the water when the solubility of the gas is 1.0 g/L?

*asked on March 14, 2016* -
## English

Can you please check if my answers are correct? 1.)The pupil had not(brang, brought) the homework. Answer: The pupil had not brought the homework. 2.) Has the choir ever(sung,sang) that tune? Answer: Has the choir ever sung that tune? 3.) The seamstress

*asked on March 12, 2016* -
## Introduction to Computer Applications

I am doing and assignment that requires a short story or narrative poem of my choice to summarize and such. any suggestions or recommendations on short stories?

*asked on February 12, 2016* -
## Math

Sara bought 2 boards of wood one board is 18 inches the other is 30 inches she wants to cut the wood into longest equal parts with no wood left over does Sara have enough wood for 10 equal size peices

*asked on February 3, 2016* -
## English

Cross out prepositional phrases. Underline the subject once and the verb/verb phrase twice. Identify adv. 1.) The discussion between Lori and her mother was regarding their weekend plans. Subject: discussion Verb: was regarding Phrase: between Lori and her

*asked on February 1, 2016* -
## Algebra

A football field has a width of times the sum of x and meters and a length of the difference between 2x and 5meters.write an expression to represent the area and perimeter of the field.

*asked on January 26, 2016* -
## Chemistry

how many L of O2 are needed to react completely with 63.0 L of H2S and STP?

*asked on January 20, 2016* -
## math

there was 3/4 of a pizza left over from a family gathering. The next day, Tina ate 1/2 of what was left. How much of the whole pizza did Tina eat?

*asked on December 9, 2015* -
## Chemistry

The equilibrium constant for Br2 + Br Br3 at 25 degrees is 18. Calculate the equilibrium constant Br3 Br2 + Br

*asked on November 26, 2015* -
## biology

Describe in a short answer the history of the discovery of DNA

*asked on November 16, 2015* -
## Finance/math

Reimbursement per screen 66.05 Equip cost/mo 1450.00 technologist cost per Mammography $15.60 tech aid/per $3.10 Variable cost per mamo $15.00 Equip. maintanance/mo. per machine $916.66 1) what is the monthly patient volume needed per month to cover fixed

*asked on November 3, 2015* -
## Algebra

I need help with the following question: (2 + p)(r+ 9) = (r + 9)(2 + p) Is this communtative property? Thank you very much for all your help.

*asked on August 19, 2015* -
## algebra

6 slices of pizza and 4 drinks cost $12.60 while 3 slices of pizza and 4 drinks cost $8.10. What is the cost of each?

*asked on May 25, 2015* -
## algebra

3 shirts and 2 hats cost $52. 2 shirts and 1 hat cost $32. Find the cost of each.

*asked on May 25, 2015* -
## written communication

If you blank to visit your grandmother, you should go now; visiting hours will be ending soon.

*asked on May 13, 2015* -
## Math

A grade six class is having a fundraiser. The class boys have three bags of apples. Each bag has 24 apples. The total cost of the three bags of apples is $12.24. The class sells the apples for 0.75 each. How much will the class gain per apple?

*asked on May 7, 2015* -
## Math

A wheelchair ramp to a public building forms a 15 degree angle with ground and reaches a height of 2.3 metres above the ground. A) fill in these values on the diagram to the right. B) Label the length of the ramp, X . Then find its length ( to one decimal

*asked on April 11, 2015* -
## Math

A room measures 3 m by 5 m. A scale drawing is to be made, using a scale of 1 cm=0.5. Find the dimensions of the scale drawing and provide sketch of this room drawn to scale.

*asked on April 11, 2015* -
## Math

A rectangle has dimensions 4 ft by 6 ft. Show that if the length and width are doubled, the area is 4 times as large.

*asked on April 11, 2015* -
## Math

Draw and label a diagram of each figure described below and calculate its volume. A) a sphere with a radius of 2 m. B) a cone with a diameter of 8 ft and height of 10 feet.

*asked on April 11, 2015* -
## Math

Hi! Can someone help me with this? Thanks! Directions: Solve this equation by doing it twice; one time using the substitution method and one time using the graphing method. x – 2y = 0 3x – y^2 = 0

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

Hi! Can someone help me with this? Thanks! Directions: Solve this equation by doing it twice; one time using the substitution method and one time using the graphing method. x + 2y = 1 5x – 4y = -23

*asked on March 1, 2015* -
## Math

Find a way to estimate the time to flip a coin 10,000 times; 100,000 times.

*asked on January 23, 2015* -
## Math

Hi! Can someone help me with these? I'm suppose to verify each idenity. Thanks! 1.) 1/tanθ +tanθ=sec^2θ/tanθ 2.) secθ-1/1-cosθ=secθ

*asked on January 19, 2015* -
## Math- Geometry

Given: Angle ABC is a right triangle with hypotenus AB D,E and F are midpts of the sides of the triangle Proof: a. CDEF is a rectangle b. EC is half of AB

*asked on December 11, 2014* -
## Chemistry

Balance the following equation in basic conditions CoCl2 (s) +Na2O2 (ag) ----> Co(OH)3 (ag)+Cl- (ag) + Na+ (ag)

*asked on November 21, 2014* -
## Chemistry

in a particular redox reaction, MnO2 is oxidized to MnO4– and fe3+ is reduced to fe2+. Complete and balance the equation for this reaction in acidic solution. Phases are optional.

*asked on November 21, 2014* -
## Chemistry

How do you balance, step by step C2H5OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O?

*asked on November 11, 2014* -
## Chemistry

step by step, show how to balance C2H5OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O

*asked on November 11, 2014* -
## Math Help

The New York Times study of homes reported average house size in 2001 to be 2,428 square feet, compared with an average of 2,150 square feet in 1987. Suppose a study of homes over the years recorded the year from 1987 to the present, as well as the size of

*asked on November 4, 2014* -
## Math Help

I really need help on this. I tried doing it on my own, but, I got stuck. Thanks! (a) List any approximate x-intercepts values. (b) Set y = 0 and solve the resulting equation; y=x^3-4x^2-25x+100.

*asked on October 10, 2014* -
## finance

1.Bill and Warren are thinking about issuing 11 percent coupon bonds that will mature in 15 years. Market interest rates are 13 percent. What could they sell each of the bonds for?

*asked on October 7, 2014* -
## Pre-Calc

Describe the difference between transformations and nonrigid transformations.

*asked on September 26, 2014* -
## Pre-Calc Help!

I really need help with this question. Thanks! Find the zeros of the function algebraically. Be sure to show all work. f(x)=x^2-8x+15 --------------- 10x

*asked on September 19, 2014* -
## Pre-Calc

Find the zeros of the function algebraically. Show all work. f(x)=x^2-8x+15 ---------------- 10x

*asked on September 18, 2014* -
## science

Mary is driving on a straight road. Suddenly a deer jumps out in front of her. Mary turns her car to the left to avoid the deer. Which best describes what happens to mary's head position if she is wearing her seatbelt? A) mary's head moves to the left b

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

if you dissolve 25.5 g of KBr in enough water to make 1.75 L of solution, what is the molarity of the solution

*asked on May 13, 2014* -
## Biology

Describe how a monomer is the basic unit of all macromolecules.

*asked on April 28, 2014* -
## financial management

A capital project has an initial investment of $100,000 and cash flows in years 1-6 of $25,000, $10,000, $50,000, $10,000, $10,000, and $60,000, respectively. Given a 15 percent cost of capital, •(a) compute the net present value. . •(b) compute the

*asked on April 14, 2014* -
## financial management

2. If you have an opportunity cost of 10%, how much should you be willing to invest now to have $8,000 accumulated in 10 years?

*asked on April 12, 2014* -
## analytical chemistry

Suppose a 4.272 g soil sample undergoes an extraction with 50 ml of extracting solvent to remove the lead. This 50 ml was then diluted to 250 ml and tested by atomic absorption technique. The concentration of lead in this diluted extract was found to be

*asked on March 5, 2014* -
## Algebra 2 Help!

1.) Simplify the expression. [sqrt3 + 2i][sqrt3 - 2i] 2.) Solve using the square root property. (y - 4)2 = -18 3.) Rewrite the the function in vertex form. You may use completing the square or an alternate method. f(x) = 5x2 - 10x + 3 4.) Use the

*asked on February 28, 2014* -
## math

If you divide 3 oranges amongst 4 friends how much does each person get?

*asked on February 12, 2014* -
## Analytical chemistry

How many grams of solid CuSO4. 5H2O are needed to prepare a 500 ml of a 1000 ppm solution of Cu?

*asked on February 2, 2014* -
## Fundamentals of Finance

I've posted 2 different questions on the above mentioned and no one has helped with the questions, or if it was than how to I go about finding them. HELP! I'm so lost here!

*asked on January 15, 2014* -
## Fundamentals of finance

"Genatron wants to estimate what will happen to its income before interest and taxes if its net sales change from the 2012 level of $1,500,000. Refer to Genatron’s 2012 income statement below, where the income before interest and taxes is $247,000 (EBT

*asked on January 12, 2014* -
## Fundamentals of finance

"Estimate the weights (wi) for assets in the three portfolios given the following information about the portfolio holdings: " Price Number of securities Market value Portfolio weights Percentages to one decimal place a. Stock A $25 200 500 0.22522523

*asked on January 12, 2014* -
## Statistic

Consider a football team for whom the numbers on the active players’ jerseys are 29, 41, 50, 58, 79,…, 10 (listed in alphabetical order of the players’ names). Does it make sense to calculate the mean of those numbers? Why or why not? 2. The Fair

*asked on January 11, 2014* -
## analytical chemistry

Regarding ICP analysis 4. For each of the following electrical discharge sources list the major strengths and limitations: a. dc arcs, b. ac arcs, c. ac sparks.

*asked on December 27, 2013* -
## Math Help!

Determine whether the relation is a function. {(4, 9), (-4, 9), (2, 3), (10, -5)}

*asked on November 27, 2013* -
## math

[(-15)(-7)divided by (2-17)=

*asked on November 18, 2013* -
## math

This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).

*asked on November 16, 2013* -
## Math

Fill in the blank so that the numbers are evenly spaced. 101, _____, _____,1001

*asked on November 12, 2013* -
## BCIT

A series of standard solutions of benzene in toluene solvent is to be prepared for an internal standard procedure with ethylbenzene serving as the internal standard. Tell how you would prepare the solutions, including the milliliters of benzene

*asked on November 10, 2013* -
## Chemistry

A 0.110-L sample of an unknown HNO3 solution required 52.1 mL of 0.150 M Ba(OH)2 for complete neutralization. What was the concentration of the HNO3 solution?

*asked on November 9, 2013* -
## chemistry

For the following chemical reaction write the net ionic equation, including the phases. 2HBr (aq) +Ba(OH)2(aq) --> 2H2O(l) +BaBr2 (aq)

*asked on November 9, 2013* -
## physics

A light spring having a force constant of 130N/m is used to pull a 7.50kg sled on a horizontal frictionless ice rink. The sled has an acceleration of 2.50m/s^2? Part A: By how much does the spring stretch if it pulls on the sled horizontally? X=0.144m Part

*asked on September 26, 2013* -
## Chemistry

When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced. CaCO3 +2HCl yields CaCl2 +H2O +CO2 How many grams of calcium chloride will be produced when 29.0 g of calcium carbonate are combined with 13.0 g

*asked on September 22, 2013* -
## math

A professor wants to supplement her pension with investment interest. If she invests $26,000 at 7% interest, how much more would she have to invest at 9% to achieve a goal of $4,160 per year in supplemental income?

*asked on September 6, 2013* -
## spanish II

Has anyone taken Spanish 2 in summer school from apex? What was it like?

*asked on June 2, 2013* -
## math

Find the mininum product of two numbers whose sum is 55

*asked on May 19, 2013* -
## Math

You and six of your friends will go on a roadtrip. A seven passenger minivan is rented for the weekend. How many different ways can you and your friends sit in this vehicle?

*asked on May 6, 2013* -
## Calculus

lim x->0 (sinx)^x

*asked on May 2, 2013* -
## economics

19-1 Bicycle Insurance and Information Asymmetry If bicycle owners do not know whether they are high- or low-risk consumers, is there an adverse selection problem? 19-2 IPOs and Adverse Selection Should owners of a private company contemplating an IPO (a

*asked on May 2, 2013* -
## economics

19-1 Bicycle Insurance and Information Asymmetry If bicycle owners do not know whether they are high- or low-risk consumers, is there an adverse selection problem? 19-2 IPOs and Adverse Selection Should owners of a private company contemplating an IPO (a

*asked on May 2, 2013* -
## math

writing algebraic expressions: 1. there were 3 times more sugar cookies baked than chocolate chip cookies 2. the kids ate 10 fewer cookies than the number of pies they made to sell 3. kino & sandra made 12 more pounds of cookie dough than tommy

*asked on April 11, 2013* -
## math

mr.periwinkle owns a ranch.he wants to add an area in the shape of an equilateral triangle to one of his rectangular fields.if the length of the rectangular field is 3x feet and its area is (9x^2-6x)square feet,write an equation for the amount of fencing

*asked on April 1, 2013* -
## calculus optimization problem

A farmer has 460 feet of fencing with which to enclose a rectangular grazing pen next to a barn. The farmer will use the barn as one side of the pen, and will use the fencing for the other three sides. find the dimension of the pen with the maximum area?

*asked on March 30, 2013* -
## calculus

find the interval(s) where the following functions are increasing and decreasing. f(x)= x/4 + 4/x

*asked on March 29, 2013* -
## calculus

suppose the quantity demanded per week of a certain dress is related to the unit price p by the demand equation p=sqrt800-x. write the function that describes the revenue function? To maximize revenue how many dresses should be made and sold each week?

*asked on March 29, 2013* -
## statistics

Suppose that the heights of female adults in the US are normally distributed with a mean (µ) of 65.4 inches and a standard deviation (σ) of 2.8 inches. Let X denote the height of a randomly chosen adult female. Find the probability that X is between 66

*asked on March 15, 2013* -
## Computers

Select the first step in the Informative Processing cycle. storage output input processing

*asked on March 11, 2013* -
## Business English

Which of the following statements is essential about how the standard pattern for informative and posiive messgaes should be applied? Use all five of the elements of the basic organizational pattern present each element in a separate paragraph of its own

*asked on March 11, 2013* -
## math

when rolling a die, do you think everyone will have the same results

*asked on March 2, 2013* -
## Algebra

T o convert from X degrees centigrade to y degrees fahrenheit the function is f(x) 9/5x +32 find the inverse function f of negative 1. what does the inverse function represent? graph Help me!

*asked on February 27, 2013* -
## science

Why do manufacturing industries have more problems controlling pollution then other kinds of businesses have?

*asked on February 26, 2013* -
## College Physics PLEASE HELP

A cylindrically shaped piece of collagen is being stretched by a force that increases from 0 to 3.0 x 10^-2 N. The length and radius of the collagen are 2.5 and 0.091 cm. Young's Modulus is 3.1 x 10^6 N/m^2. a.) If the stretching obeys Hooke's Law, what is

*asked on February 23, 2013* -
## College Physics PLEASE HELP

A spring stretches 0.150 m when a 0.30 kg mass is hung from it. The spring is then stretched an additional 0.100 m from this equilibrium point and released. Determine a). the spring constant, k, b). the maximum velocity of the mass, c. ) the maximum

*asked on February 23, 2013* -
## Physics

A femur is a bone in the leg whose minimum cross sectional area is about 4.0 x 10^-4 m^2. A compressional force in excess of 6.8 x 10^4 N will fracture this bone. A.) Find the maximum stress that this bone can withstand and B.) What is the strain that

*asked on February 23, 2013* -
## Physics

A cylindrically shaped piece of collagen is being stretched by a force that increases from 0 to 3.0 x 10^-2 N. The length and radius of the collagen are 2.5 and 0.091 cm. Young's Modulus is 3.1 x 10^6 N/m^2. a.) If the stretching obeys Hooke's Law, what is

*asked on February 23, 2013* -
## Physics

A spring stretches 0.150 m when a 0.30 kg mass is hung from it. The spring is then stretched an additional 0.100 m from this equilibrium point and released. Determine a). the spring constant, k, b). the maximum velocity of the mass, c. ) the maximum

*asked on February 23, 2013* -
## algebra

electricity costs 7.57 a month plus 8.77 per kilo watt hour for the first 400 kWhr and 6.574 per kWhr for all useage over 400 in a month. what is the cost for 300 kWhr? 2638 What is the cost of 700? 7.57+8.77 times 400 and 6.574 times 300? 5487.77 I think.

*asked on February 23, 2013*