# Michelle

Newest questions and responses by Michelle-
## math

A ghost on a 135 feet cliff perpendicular to the ground looks down at an angle of 16 degrees and sees a werewolf. How far away is the ghost from the werewolf approximately? How far away is the wolf from the base of the cliff? Sketch the triangle that

*asked on September 23, 2018* -
## math

The ratio of Sylvia's age to Bob's age is 3 to 7. The ratio of Sylvia's age to Joe's is 4 to 9. The ratio of Bob's age to Joe's is: A. 28 to 27 B. 7 to 9 C. 27 to 18 D. 10 to 13

*asked on September 15, 2018* -
## Math

Arley’s Bakery makes fat-free cookies that cost $1.90 each. Arley expects 20% of the cookies to fall apart and be discarded. Arley wants a 50% markup on cost and produces 200 cookies. What should Arley price each cookie? (Round your answer to the nearest

*asked on September 10, 2018* -
## Math

Let the sets S = {(n, m) ∈ N × N: n + m = 10} and π1 (S) = {n: there exists m ∈ N such that (n, m) ∈ S}. (Note that π1 (S) ⊆ N.) (a) Show that 8 ∈ π1 (S) and give an example of an element x such that x ∈ N ∖ π1 (S). (b) Show that π1 (S)

*asked on September 5, 2018* -
## Math

The Fibonacci sequence, (fn) n∈N, is defined recursively as follows: f0 = f1 = 1, fn = fn-2 + fn-1 (n ≥ 2) Demonstrate for all n ∈ N: If n ≥ 1, then fn-1 ⋅fn + 1 = f ^ 2n - (- 1) ^ n .

*asked on September 5, 2018* -
## Geometry

Given the vertices of ∆ABC are A (2,-5), B (-4,6) and C (3,1), find the vertices following each of the transformations FROM THE ORIGINAL vertices: a. Rx = 3 b. T c. r(90◦, o)

*asked on August 25, 2018* -
## english

One of the most tragic themes in Night is Eliezer's discovery of the way that atrocities and cruel treatment can make decent people into brutes. Argue whether or not this happens to Elie himself. Does he remain a good person, or do his experiences corrupt

*asked on August 23, 2018* -
## Math

The diameter of a circle is equal to the side of a square. The ratio of the area of the circle to the area of the square is approximately A. pi/2 B. 2/pi C. 2/1 D. 11/14

*asked on July 31, 2018* -
## math

how many integers are their own multiplicative inverses? a. 0 b. 1 c. 2 d. 3 is it 2 or 3? because it could be 1, -1, and 0

*asked on July 24, 2018* -
## Chemistry

If the solubility of Ag2CO3 is 1.3x10^-4 mol/L, what is its Ksp? (the answer is said to be 8.8x10^-12) Ag2CO3(s) -----> 2 Ag+ (ag) + CO3 2- Ksp= [Ag+]^2 [CO3^2-] = [1.3x10^-4]^2[1.3x10^-4] =2.197x10^-12 thats what I did, but I found that if you first

*asked on July 19, 2018* -
## math

4 to the power of 4/5 A. 48/10 B. 24/10 C. 21/5 D. 4.4 I got B but I'm not sure, any help would be appreciated :-)

*asked on July 18, 2018* -
## Math

Six teaspoons of extract are mixed with 240 ml of oral suspension what is the final concentration of the suspension?

*asked on July 8, 2018* -
## Chemistry

269 mL of a 0.2089 M sodium carbonate (Na2CO3) solution is prepared and labelled solution A. Calculate the mass (in grams) of sodium carbonate (molar mass = 105.99 g mol-1) required to prepare Solution.

*asked on April 27, 2018* -
## he

what are the philosophy of home economics?

*asked on April 19, 2018* -
## physics

An AC voltage of the form Δv = (65.0 V)sin(340t) is applied to a series RLC circuit. If R = 46.0Ω, C = 27.0 μF, and L = 0.300 H, find the following. (a) impedance of the circuit Ω (b) rms current in the circuit A (c) average power delivered to the

*asked on March 23, 2018* -
## science

a 400 kg block of iron is heated from 295 k to 325 k. how much heat is absorbed by the iron? ( the specific heat is 450 j. /kg. k)

*asked on March 19, 2018* -
## science

sally and lisa have identical compact cars sally drives on the freeway with a great speed than lisa. which car has more kinetic energy

*asked on March 19, 2018* -
## Physics

two long, parallel lines each carry 100-A currents are 20 cm apart. 1) calculate the magnetic field at the point C that is 5 cm to the left from the left wire. 2) calculate the magnetic field at the point C that is 5 cm to the right from the left wire. 3)

*asked on March 19, 2018* -
## physics - magnetism

A positive and a negative particles enter magnetic field at the same angle and with the same velocity. How different would be the path of each particle?

*asked on March 17, 2018* -
## PHYSICS

I'm having some trouble with a problem on my physics pre-exam, if there is any formula please let me know so i can do a bit of research on it. any help is greatly appreciated in advance. The inner membrane of a cell membrane is negative relative to the

*asked on February 18, 2018* -
## Algebra 2

Given the exponential function A(x) = P(1 + r)x, what value for r will make the function a decay function? r = −2.1 r = 2.1 r = 0 r = 0.1

*asked on February 15, 2018* -
## Chemistry

You have a 35.5 g of a saturated solution of potassium nitrate at 80oC which you cool to 40oC, what mass of potassium nitrate will precipitate out of solution? @80 degrees C solubility is 160g solute/100g H2O @40 degrees C solubility is 60g solute/100g H2O

*asked on February 11, 2018* -
## Personal Fiance

You think that in 8 years it will cost $247,000 to provide your child a 4-year college education. Will you have enough if you take $77,000 today and invest it for the next 8 years at 8 percent? Round the answer to the nearest cent. Round FV-factor and

*asked on January 20, 2018* -
## Math Circumference to Area???

Help! It say that the circumference is equal to π over 2 and i have to find the area HOW DO YOU DO THAT???? C=π/2

*asked on January 18, 2018* -
## Math

Help! It say that the circumference is equal to π over 2 and i have to find the area HOW DO YOU DO THAT???? C=π/2

*asked on January 18, 2018* -
## Physics

I am curious how the earth work as an omnipresent conductive surface in an electrical distribution system?

*asked on December 19, 2017* -
## Science

Why is Earth is the omnipresent conductive surface?

*asked on December 19, 2017* -
## Physics

It saves human life from the danger of electrical shock which can cause death, by blowing a fuse. How can “blowing a fuse” can rescue someone's life? Please answer. Thank you.

*asked on December 19, 2017* -
## Math

Determine the points at which the function is discontinuous and state the domain using interval notation f(u)=(4-u^2)/(7u+7π-u^2-uπ) Please help.

*asked on December 2, 2017* -
## Math

Lindsey is 5 years less than half her father's age. The sum of their ages is 79. How old is Lindsey?

*asked on November 15, 2017* -
## math

oil consumption is increasing at a rate of 2.2% per year. in how many years will the oil consumption be twice the amount it is today?

*asked on November 5, 2017* -
## Math

if michael opened an account paying 1% interest for 20 years. will his money double in time? how many years will it take to double?

*asked on November 5, 2017* -
## Math

a family of 100 ants invades your home. if its population increases at a rate of 20% per week, in how many weeks will there be 200 ants? 400 ants? and 800 ants?

*asked on November 5, 2017* -
## math

urban encroachment is causing the area of a forest to decline at a rate of 7% per year. what is the half-life time of the forest?

*asked on November 5, 2017* -
## math

a daily newspaper had 12,125 subscribers when it began publication. five years later it has 10,100 subscribers. what is the average yearly rate of change in the number of subscribers for the five year period?

*asked on November 5, 2017* -
## physics

a golf ball is hit at an angle of 45 degrees with the horizontal. if the initial velocity of the ball is 52m/s , how far will it travel horizontally before striking the ground?

*asked on October 31, 2017* -
## Geometry

Find m

*asked on October 2, 2017* -
## Math

h(x) = 2-4x A. h(-5) my answer is -62 B. h(4) my answer is -34

*asked on September 29, 2017* -
## Physical Science

How will you prepare a laboratory procedure to verify the validity of the hypothesis? Give example.

*asked on August 22, 2017* -
## Maths age problems

Tom is 6 years older than James. In 5 years time their combined ages willbe36.how old are they now?

*asked on August 13, 2017* -
## Math-college

Here is a linear inequality to solve: 8x + 8 < 3 (x + 1)

*asked on August 8, 2017* -
## chemistry

what is electromagnetic radiation

*asked on July 20, 2017* -
## la

i dont understand compare the victorian period to modern day life like in christmas carol essay

*asked on May 16, 2017* -
## Physics

A 0.299 kg bead slides on a curved wire, start-ing from rest at point A as described below: A: a crest (hill) 6.15 m high b: a valley between A and C C: a crest (hill) 1.85 m high The acceleration of gravity is 9.8 m/s2 . 1) If the wire is frictionless,

*asked on May 4, 2017* -
## Language Arts

Please help! In an essay discuss the way in which Naomi Shihab Nye treats loneliness in "The Rider" What does loneliness mean to the speaker? How does bicycling help her leave her loneliness behind? Cite passages from the poem to support your points. My

*asked on April 27, 2017* -
## French

Write a paragraph in French of at least 10 sentences talking about a trip you hope to take in the future. What do you hope to do? Write in comp;ete sentences in French.

*asked on April 14, 2017* -
## Chemistry

If 2.5x10^-3 moles of O2 were produced in the reaction, how many grams of H2O2 had to react?

*asked on April 12, 2017* -
## College Math

Michael is a software salesman. Let y represent his total pay (in dollars). Let x represent the number of copies of History is Fun he sells. Suppose that x and y are related by the equation 1700+90x=y .

*asked on March 28, 2017* -
## Algebra

30 is the product of Chrissy's height and 2.

*asked on March 28, 2017* -
## Icd10

A patient presents with hypertrophic scarring to her chin from a burn received one year ago. Scar management has failed. What ICD-10-CM codes are reported? Select one: a. T20.03XA, L90.5 b. T20.03XA, T20.03XS, L91.0 c. L90.5, T20.23XA d. L91.0, T20.03XS D

*asked on March 22, 2017* -
## math

From a group of 65 students who failed Business Mathematics in 2010 we found the following reasons: 35 for not attending class (C); 30 for not doing homework (H) and 25 for not visiting tutors (T). Fourteen did not attend class and did not visit tutors; 15

*asked on March 11, 2017* -
## Technical writing

Identify the sentence that is punctuated correctly. Select one: a. Once inside, my mother's house seemed much larger than it appears on the outside. b. Once inside my mother's house seemed much larger, than it appears on the outside. c. Once inside, my

*asked on March 7, 2017* -
## Technical writing

Identify the sentence that is punctuated correctly. Select one: a. My parents moved to West Virginia when they retired because the price of living is cheaper there. b. My parents moved to West Virginia, when they retired, because the price of living is

*asked on March 7, 2017* -
## Technical writing

Identify the sentence that is punctuated correctly. Select one: a. In December 2013 I visited my aunt for Christmas in Allentown, Pennsylvania, for the first time in 20 years. b. In December 2013, I visited my aunt for Christmas in Allentown, Pennsylvania

*asked on March 7, 2017* -
## Technical writing

Always use a comma before somebody's name in a sentence. A.true B.false B

*asked on March 7, 2017* -
## Hcpcs

J codes do not include drug_____. Amount?

*asked on March 3, 2017* -
## Technical writing

Which is the correct comparative form of easy? Select one: a. easiest b. more easy c. easier d. easyer C

*asked on March 3, 2017* -
## Technical writing

Identify the subject and complete verb in each of the following sentences. A pen and a pad of paper are in the top drawer of my desk. Select one: a. paper/drawer; are b. pen; are c. pen/pad; are d. pen/paper; are D

*asked on March 2, 2017* -
## Technical writing

Identify each as fragment, run-on, comma splice, or sentence. Edgar Allen Poe invented the convention of the solution that is overlooked. Because it is so obvious. Select one: a. fragment b. run-on c. comma splice d. correct sentence A

*asked on March 2, 2017* -
## physical science

A uniform stripe of eureka (resistivity 5-0 × 〖10〗^(-7) Ωm) has a resistance of 0.80 Ω per metre and is 0.25 cm wide. What is its thickness? (show work)

*asked on February 17, 2017* -
## physical science

A block of carbon, 1.0 cm by 2.0 cm by 5.0 cm has a resistance of 0.80 Ω between its two smaller faces. What is the resistivity of carbon? (show work)

*asked on February 17, 2017* -
## physical science

. The maximum allowable resistance for an underwater cable is one hundredth of an ohm per metre. If the resistivity of cooper is 1.54 × 〖10〗^(-8) Ω m, find the least diameter of a copper cable that could be used (show work)

*asked on February 17, 2017* -
## physical science

What length of German silver wire, diameter 0.050 cm, is needed to make a 28 Ωresistor, if the resistivity of German silver is 2.2 × 〖10〗^(-7) Ω m (show work)

*asked on February 17, 2017* -
## physical science

The resistance of the ohm is very approximately that of a column of mercury 1.06 m long and of uniform cross-section of one hundred of a cm^2. Find the resistivity of mercury.(show work)

*asked on February 17, 2017* -
## physical science

Taking the resistivity of platinoid as 3.3 × 〖10〗^(-7) Ω m, find the resistance of 7.0 of platinoid wire of average diameter 0.14 cm.

*asked on February 17, 2017* -
## physical science

The heating elements of an electric toaster is typically made of nichrome wire (an alloy of nickel and chromium). As current passes through the wires, the wires heat up, thus toasting the toast. Estimate the overall resistance of a heating element which is

*asked on February 17, 2017* -
## pyhsical science

A wire of uniform cross-section has a resistance of R Ω. What would be the resistance of a similar wire, made of the same material, but twice as long and of twice the diameter?

*asked on February 17, 2017* -
## Algebra

can you help me graph the function y=-5(3^x)please? f(x)=-5(3^x) f(x)=-5*3 f(x)=-5(9) =-15 =-45 Is this the correct way to work this problem out and how to I graph?

*asked on February 17, 2017* -
## Technical writing

The teacher should have been more patient with her students. Select one: a. students; should have b. teacher: should have c. teacher; have been d. teacher; should have been D.

*asked on February 16, 2017* -
## Technical writing

In order to have a complete sentence, you need a ________. Select one: a. subject, verb, and a complete thought b. subject and verb c. subject, verb, and a prepositional phrase d. subject, verb, and a dependent clause

*asked on February 16, 2017* -
## Technical writing

Two independent clauses joined together with no punctuation create a ________. Select one: a. complex sentence b. compound sentence c. run-on d. comma splice

*asked on February 16, 2017* -
## Chemistry

Given that the battery produces a current of 2.5A that passes through molten zinc chloride for 3 minutes what charge would be dissipated through the electrolyte

*asked on February 14, 2017* -
## math

find the maximum and/or minimum values of the function f(x) for the indicated value of x f(x)=x^2 -4x+3 25

*asked on February 12, 2017* -
## Math 115

Calculate the slope and write an equation for the linear function represented by each of the given table. A W 5 30 7 40 W=_?___ I PUT W=5x+5 and W=5+5x BUT IT SAID IT WAS WRONG.

*asked on February 10, 2017* -
## Math Velocity

Jeff is standing on a bridge 5M above the river, He picks up a small rock and tosses it into the air, the rock reaches a height of 12M in one second and hits the water in about 2.3 seconds Determine when the rock reaches a height equal to the bridge but on

*asked on February 8, 2017* -
## Probability

The signers of the declaration of Independence came from the 13 colonies as shown: Massachusetts: 5 New Hampshire: 3 Virginia: 7 Maryland: 4 New Jersey: 5 Pennsylvania: 9 Rhode Island: 2 New York: 4 Georgia: 3 North Carolina: 3 South Carolina: 4

*asked on January 10, 2017* -
## Pre Calculus

A flare is launched straight up with a velocity of 200 feet per second. The function h(t)= 200t−16t^2 models the height h(t)of the flare are at time t. How many seconds will it take for the flare to hit the ground?

*asked on December 6, 2016* -
## Math

A book of golf balls contains yellow golf balls and white golf balls. You collect the representative sample shown (3 yellow, 2 white). If the bucket contains 50 golf balls about how many golf balls are white ?

*asked on November 29, 2016* -
## science

What are the similarities and differences between mitosis and meiosis?

*asked on November 22, 2016* -
## Grade 11 Physics

Harry, who has a mass of 54 kg, has just gotten a flybar pogo stick and is standing on top of a small wall. He pushes off the wall with a velocity of 1.7 m/s, gets on the stick and lands. The stick has a spring constant of 3.5 x 104 N/m and he compresses

*asked on November 17, 2016* -
## trigonometry

A ship sails 15.0 mi on a course S40°10’W and then 21.0 mi on a course N28°20’W. Find the distance and direction of the last position from the first.

*asked on November 13, 2016* -
## Financial Accounting

On March 31 a post closing trial balance was completed On April 4, the business purchased a new truck on account. The residual value is $2400, and the estimated useful life is 5 years. How do I enter this information into a general journal? Do I even need

*asked on October 26, 2016* -
## Science

suppose a skydiver (mass = 75 kg) is falling toward the earth. when the skydiver is 100 m above the earth he is moving at 60 m/s. at this point calculate the skydiver's

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

A model car travels horizontally after being released. The car travels a distaance d metres in a time of t seconds. d is directly proportional to t. The car travels 20 metres in a time of 2 seconds. A.Calculate the distance the car travels in 3 seconds.

*asked on October 22, 2016* -
## system development

how to write a pseudocode for a system that allows user to create an account with features such as username, password, email, first name, surname, postal address

*asked on October 2, 2016* -
## physic

The brakes on a car permit it to decelerate at the rate of 0.80 m/s2. How much distance is required to stop this car when it is traveling at 60.0 km/hr?

*asked on September 25, 2016* -
## Physics

An airplane, traveling 142.5 km/hr at the moment it touches the runway, runs off the end of the runway still traveling at 36.7 km/hr. If the plane’s rate of deceleration was -1.6 m/s2, how long and how far did the plane travel along the runway?

*asked on September 25, 2016* -
## Physics

A deer runs into the road 1.24 km in front of a car. The driver, traveling at 70.5 km/hr, sees the deer and slams on the brakes which decelerates the car at a rate of 3.2 x 10-1 m/s2. Will the driver hit the deer?

*asked on September 25, 2016* -
## math

mike reads thrice as fast as judy.the ratio of the number of words judy can read per minute to the number of words paul can read per minute is 5:2 if paul can read 140 words per minute,how many words per minute can mike read

*asked on September 13, 2016* -
## math

John saved 8/5 of what Mary saved. Idf Mar saved P 390 lessthan what John saved, how much did both of them saved?

*asked on September 13, 2016* -
## math

Martin had red toy cars and blue cars in a box. the ratio of the blue toy cars to the red toy cars is 5:2. When Martin put 15 more blue toy cars in the box, the ratio of the blue toy cars to the red toy cars became 4:1. How many red toy cars and blue toy

*asked on September 13, 2016* -
## Math

The scale drawing of a soccer field mis 1 inch= 10 yards. The drawing of a soccer field is 12 inches by 7.5 inches. Find the dimensions of the actual soccer field in square feet.

*asked on August 13, 2016* -
## algebra

michelle inherited 5/8 of his father's estate. He sold 2/5 of his share. What part of the entire estate did he sell?

*asked on August 3, 2016* -
## Math

how to solve this po? 4(4x)^2 + 2(4x) + 5 I hope you can answer this for me. and thank you very much. :)

*asked on July 30, 2016* -
## Spanish

?Crees que en el futureo___viajar a otros planetas? !Claro que si!

*asked on July 18, 2016* -
## Reserach Statistics in CRJU

A data set has n=10 pairs of X and Y values. This data has SSx=10, SSy= 20 and SP=10. Compute the Pearson correlation and explain r=sp/√ssx ssy = 10/√10*20= 10/√200 Simplify 200 under radical= 200 as 10^2⋅2. √(〖10〗^2 )×2= 10/10√2 or

*asked on July 1, 2016* -
## Child

Which one of the following activities is not directly connected with providing a safe and healthy environment?

*asked on June 16, 2016* -
## Algebra

nicole is a jewellery designer. she handcrafts all the jewellery she sells online. with every successful sale, she would make a profit of $30; however, if she makes a mistake during the process, she will lose $10. Nicole is starting work on her next batch

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

If a missile is launched from a station 300 metres above sea level with an initial velocity of 500 m/s what is the height of the missile after 4 seconds

*asked on June 13, 2016* -
## Math

A cross-section of a sphere, which is 6 units from the center of the sphere, has a circumference of 8π units. Find the surface area of the sphere.

*asked on May 26, 2016*