Wednesday

June 29, 2016
Total # Posts: 98,044

**Math**

For questions 15 and 16, multiply. Write the result in scientific notation. 15. (1.8 • 10^1)(7 • 10^5) 1.26 • 10^7 8.8 • 10^6 8.8 • 10^5 1.26 • 10^6 16. (2.2 ∙ 10^–3)(4 ∙ 10^–2) 2.2 ∙ 10^6 2.2 ∙ 10^–5 8.8 &#...
*April 15, 2016*

**Maths**

I noticed that you made a correction from your previous post, but It still would not work. It should be: cot² A/(cosec A + 1)²= (1-sin A)/(1+sin A) notice the important brackets. LS = cot² A/(cosec A + 1)² = (cos^2 A/sin^2 A)/(1/sina + 1)^2 = (cos^2 A/sin^2...
*April 15, 2016*

**Biology**

Can the same probes be used for both western blots and northern blots?
*April 15, 2016*

**Math grade 7**

in week 1 boris works 30 hours and earn r dollars per hour in week 2 boris gets a raise of 2.75 per hour he works 32 hours at this new rate during he two weeks he earns a total of 723.50 what was his original rate per hour
*April 15, 2016*

**Statistics **

Can you create a anova chart on calories of 4 different brands of 7 different favor of theses 4 brands
*April 14, 2016*

**life orientation**

SOUTH AFRICAN HUMAN RIGHTS ASSOCIATION
*April 14, 2016*

**life orientation**

xenophobia
*April 14, 2016*

**life orientation**

choose one law or legislation that will protect the individual against human rights violations
*April 14, 2016*

**Chemistry**

Step 1) How do you get from NO2 to HNO3? What are your reactants? Write a reaction and balance your equation. 4NO2+2H2O+O2 --> 4HNO3 Step 2) Look at the stoichiometric ratio of the reaction. 100 g of HNO3 x (1 mol of HNO3/63.01 g) x (4mol NO2/4molHNO3)x (46.00 g NO2 /mol ...
*April 14, 2016*

**Calculus**

f(3) = 2(9) - 6(3) = 0 f(3+h) = 2(3+h)^2 - 6(3+h) = 2(9 + 6h + h^2 - 18 - 6h = 2h^2 + 6h slope = lim (f(3+h) - f(3) )/h , as h--->0 = lim(2h^2 + 6h - 0)/h = lim h(2h + 6)/h = lim 2h + 6 , as h ---> 0 = 6
*April 14, 2016*

**Algebra**

What were the headlines after a 3 foot 10 inch fortuneteller escaped from jail? Its an inequality equation like 3(2x + 5)=39 and 11(4-6y) + 5(13y+ 1)=9. Please Help Me with this!
*April 14, 2016*

**chemistry**

Hang on, the nitrogens don't match. Also Iodine does not exist as I, it is diatomic (I2) try this... 6 KI + 8 HNO3 --> 6 KNO3 + 2 NO +3 I2 + 4 H2O
*April 14, 2016*

**chemistry**

there should not be an equal sign in a chemical equation, it should be an arrow going in the forward direction. otherwise that is correct.
*April 14, 2016*

**Geometry**

You didn't say if the surface area included the base. If it does: πr^2 + πrs = 168π divide by π r^2 + 22r - 168 = 0 completing the square r^2 + 22r + 121 = 168 + 121 = 289 (r+11)^2 = √289 r+11 = 17 r = 6 If you did not include the base, πrs...
*April 14, 2016*

**math**

Ricky's Pizza Parlor has three different sizes of pizza: a large (15 in. round), a medium (13 in round), and a small (10 in. round). A single-topping large pizza sells for $18. A single-topic medium pizza sells for $15 and a single-topping small pizza sells for $12. Which ...
*April 14, 2016*

**Precalculs**

Consider the ellipse 4x^2+49y^2=36 I can figure the vertices is (3,0)(-3,0) I cannot figure out the foci Thanks
*April 14, 2016*

**Polynomials**

Suppose you earned 6t + 2 dollars on Monday and 9t – 6 dollars on Tuesday. What were your total earnings? Simplify your answer. (1 point) 15t – 4 15t + 8 –3t – 4 –3t + 8
*April 14, 2016*

**Polynomials**

For questions 5 and 6, add or subtract. 5. (m^2 – m + 3) + (m – 1) m^2– m – 2 m^2 + 2 m^2 – 2 m^2 + m + 2 6. (4x^2 – 2x – 1) – (–3x^3 + 2) -3x^3 + 4x^2 – 2x + 1 –3x^3 + 4x^2 – 2x – 3 3x^3 + 4x^2 – 2x + 1 3x^...
*April 14, 2016*

**Chemistry**

A metal whose threshold frequency is 1.10×1015 s−1 emits an electron with a velocity of 6.53×105 m/s when radiation of 1.37×1015 s−1 strikes the metal. What is the mass of the electron?
*April 14, 2016*

**algebra**

17. In the last basketball game, Kevin scored 2 less than a third of his team's points. Part A: Let n represent the number of points Kevin's team scored. Write an expression for the number of points Kevin scored. Part B: Kevin scored 14 points. How many points did the...
*April 14, 2016*

**math**

what dose this mean when you divide a decimal number by a whole number your estimate is 3.4 identify 3 possible pairs of numbers you might have been dividing ?
*April 14, 2016*

**Pre-Calc**

Assume that x, y, z and b are positive numbers. Use the properties of logarithms to write the expression logb(4) sqrt((x^7 y^2)/(z^4)) in terms of the logarithms x, y, and z.
*April 14, 2016*

**life orientation**

make six suggestion on how combat the violation of human right
*April 14, 2016*

**life orientation**

human rights violation
*April 14, 2016*

**life orientation **

write a paragraph in which you put your conclusion argument around your choosen topic which is human rights discrimination
*April 14, 2016*

**Science**

Yes that is correct
*April 14, 2016*

**L.A.**

Thank you Miss Sue can you check the rest of my quiz
*April 14, 2016*

**L.A.**

@Ms. Sue @Reed
*April 14, 2016*

**L.A.**

Which sentence contains a participial phrase? A.She wanted to spend time writing. B.Her job is giving the attic dwellers their food. C.Quickly snatching up the coat, she ran to her room.***** D.To get along well requires cooperation. I think the answer is C
*April 14, 2016*

**math**

The answer is 2x^2+3y^2+8x+24y+62
*April 14, 2016*

**Math**

Mary has 2/3 cup of chocolate chips. A cookie recipe calls for 1/2 cup of chocolate chips per batch. How many batches can bury make using all of her chocolate chips? Show your work and
*April 14, 2016*

**life orientation**

Ways that the human right violation influence groups
*April 14, 2016*

**life orientation **

critically discuss six ways that the human rights violations influence individual, groups and the broader south African community
*April 14, 2016*

**TAX**

Is the 2014 NC state income tax refund includible in their 2015 income? Why or why not??
*April 14, 2016*

**life orientation **

Identify human rights violation or discrimination?
*April 14, 2016*

**life orientation**

evaluate the physical, social and economic consequences of this crime to the offender
*April 14, 2016*

**Science**

Thanks candy everyone else candy is correct
*April 14, 2016*

**algeabra**

what is x+7 divided by x-4
*April 14, 2016*

**Social Studies**

The answers to this assignment are 1. B difficult terrain 2.C They have used loans to purchase food and clothing 3. A start a fruit tree plantation
*April 14, 2016*

**Math**

Eric's friend Dawn said that she could make a larger number of different designs with 15 tiles with Eric's 13 tiles. Do you agree with Dawn? Explain.
*April 13, 2016*

**clothing and textiles**

List 10 careers in clothing and textiles and tell their function
*April 13, 2016*

**clothing and textiles**

List 10 careers in clothing and textiles and tell their function
*April 13, 2016*

**stats**

Given that z is a standard normal random variable, find z for each situation (to 2 decimals). 1.The area between -z and z is 0.2128
*April 13, 2016*

**Geometry**

5498** Sorry.
*April 13, 2016*

**Geometry**

5458 I mean?
*April 13, 2016*

**Geometry**

Suzanne looked across the sky one afternoon and saw a rainbow. She estimated that she was seeing a rainbow that had a radius of about 1500 feet and that she could see about 210 degrees of the arc. Estimate the length of th is visible rainbow above the horizon to the nearest ...
*April 13, 2016*

**Geometry**

Oops didn't mean to ask this again
*April 13, 2016*

**Geometry**

If a rotating water sprinkler is set so spray water out at a radius of 40 feet around a circular revolution of 120 degrees, what is the area of the lawn that the water from the sprinkler would then cover? Round to the nearest tenth 533.3ft?
*April 13, 2016*

**Geometry**

If a rotating water sprinkler is a set tto spray water out at a radius of 40 feet around a circular revolution of 120 degrees what is the area of the lawn that the water from the sprinkler would then cover
*April 13, 2016*

**Biology**

Blockage of the common bile duct would be expected to affect lipid digestion. protein digestion. carbohydrate digestion. nucleotide digestion. cellulose digestion. lipid is the only common sense one?
*April 13, 2016*

**Math**

it is correct
*April 13, 2016*

**Biology**

Which of the following is NOT a function of the stomach? A. store food B.kill bacteria C. digestion of most foods D. move chyme into the duodenum Tricky help?
*April 13, 2016*

**physics**

An engine absorbs 2000J of heat from a hot reservoir and expels 750J to a cold reservoir during each operating cycle. What is the power output of the engine if each cycle lasts for 0.5 seconds?
*April 13, 2016*

**science (correct please)**

Genius is 100 percent
*April 13, 2016*

**Math**

the ratio of the number of adults to children at a concert is 5:6. The ratio of the number of boys to the number of girls is 2:5. There are 36 more girls than boys at the concert. How many adults are there at the concert?
*April 13, 2016*

**physics**

How much energy is needed to heat and melt 3.0 kg of copper initially at 83°C
*April 13, 2016*

**lifeorientation**

DescRibe the three human rights violations you selected and give at least two examples of such violations you found on your research.
*April 13, 2016*

**lifeorientation**

Six suggestion how to combat the violation of human rights
*April 13, 2016*

**lifeorientation**

Indetify your human rights violation and explain in an introductory paragraph why you choose the speci fic human rights violation?
*April 13, 2016*

**Life orientation **

Six suggestion on how to combat the violation of human rights
*April 13, 2016*

**Life orientation**

Six suggestion on how to combat the violation of human?
*April 13, 2016*

**Life orientation**

eeh wht sbjct us dis ?sale EBA nna I didn't cn acrs such dfclt Q
*April 13, 2016*

**Life orientation**

Six ways that the human rights violation influences individual,groups and the broader south african community?
*April 13, 2016*

**english**

traditional healers should be allowed to perfom and prescribe medicine in hospitals and clinics
*April 13, 2016*

**physics **

A car traveling at a constant speed of 33.4 m/s passes a trooper hidden behind a billboard. One second later the trooper starts the car with a constant acceleration of 3.28 m/s2 How long after the trooper starts the chase does he overtake the speeding car
*April 13, 2016*

**Science**

Is jumping through a hoop an inherited trait for a dolphin?
*April 13, 2016*

**life orientation**

2
*April 13, 2016*

**life orientation**

2
*April 13, 2016*

**life orientation**

Six ways that the human rights violation influences individual,groups and the broader south African community
*April 13, 2016*

**life orientation**

Six ways that the human rights violations influences individuals,groups and the broader south african community
*April 13, 2016*

**life orientation**

Six ways that the human rights violation influences individual,groups and the broader south African community
*April 13, 2016*

**H.S history**

I would say the Louisiana Purchase (From the French), and the Alaska Purchase from the Russians. I maybe wrong though. Manifest Destiny was pretty much the expansion of land from coast to coast.
*April 13, 2016*

**Chemistry**

p.;/
*April 13, 2016*

**algebra**

this is why I dislike you Ms. Sue, you will answer a comment on a question, but you don't answer the question, how stupid could you be?
*April 13, 2016*

**math**

the spinner shown to the right has 8 equal sized sections labeled 1 thru 8 place the probability of each outcome described below on the number line identify each outcome as likely unlikely or neither likely nor unlikely 1. arrow lands on 8 2. arrow lands on number greater than...
*April 13, 2016*

**science**

Are you stupid? You are very stupid. Either that, or you gave zero imput to your work.
*April 13, 2016*

**Calc Optimization**

A piece of wire 9 m long is cut into two pieces. one piece is bent into the shape of a circle of radius r and the other is bent into a square of side s. how should the wire be cut so that the total area enclosed is: I have found the minimum r=.6301115 and s=1.26022. I need ...
*April 13, 2016*

**Calculus**

f(x) = 3cos(x)−cos^3(x) for 0 < x < 2π I need help finding where it increases and decreases and where it concaves up and down. The inflection points I have found are pi/2 and 3pi/2.
*April 13, 2016*

**Math**

Write an equation for the questions: a) The sum of twice a number and five is the same as the difference between five times the number and sixteen.
*April 13, 2016*

**Math**

The sum of 4 consecutive odd numbers is 296. Write an equation and solve it to find the second highest number.
*April 13, 2016*

**Calculus **

A ladder 13 ft long rests against a vertical wall. If the bottom of the ladder slides away from the wall at a rate of 1 ft. per second,how fast is the angle between the ladder and the ground changing when the bottom of the ladder is 5ft from the wall?
*April 13, 2016*

**Math **

In 1998, Terre Haute, Indiana had a population of 72,000 people. In 2000, the population had dropped to 70,379. City officials expect the population to level off eventually at 60,000. 1. What kind of function would best model the population over time ? 2. Write an equation ...
*April 12, 2016*

**Math**

You had 2/3 gallon of milk. Your family used 1/2 gallon. How much milk is left?
*April 12, 2016*

**Math **

In 1998, Terre Haute, Indiana had a population of 72,000 people. In 2000, the population had dropped to 70,379. City officials expect the population to level off eventually at 60,000. 1. What kind of function would best model the population over time ? 2. Write an equation ...
*April 12, 2016*

**Algebra**

Seth took a math quiz last week. There were 70 problems on the quiz and Seth answered 90% of them correctly. How many problems did Seth get correct?
*April 12, 2016*

**Math **

How do I do Why does a poor man drink coffee? I can't get the right answers.
*April 12, 2016*

**Math**

An artist is painting a large mural comprised of different sizes squares. She wants to pain one magenta square that is as large as possible, but she only has one can of magenta paint. If the can of paint can cover 220 square feet, what is the side of the largest square that ...
*April 12, 2016*

**Physics**

h= h₁ - h₂= gt²/2- 100=9.8•5²/2 -100=122.5 – 100 = 22.5m
*April 12, 2016*

**Math**

A farmer needs to build a fence to enclose a square plot of land with an area of 200 square yards. To the nearest tenth of a yard, how much fencing does the farmer need?
*April 12, 2016*

**finance**

Find the future value of an annuity when payment is $4000.00 annually, interest is 10.5% compounded annually and he term is 5 years. Answer This Question
*April 12, 2016*

**finance**

Find the future value of an annuity when payment is $4000.00 annually, interest is 0.5% compounded annually and he term is 5 years.
*April 12, 2016*

**History**

I still don' see the answer of the question. I have looked everywhere in the link you gave him M. Sue.
*April 12, 2016*

**physics**

y=Acos(2πt/T) KE= (mA²ω²/2)sin²(2πt/T) PE=(mA²ω²/2)cos²(2πt/T) KE=2PE => (mA²ω²/2)sin²(2πt/T) = 2 (mA²ω²/2)cos²(2πt/T) tan²(2πt/T)=2 tan (2πt/T)=√2...
*April 12, 2016*

**PLS HELP MEH ~OREO_CHAN**

jn
*April 12, 2016*

**Maths **

Solve the following equations for 0 < x < 2pi A) sin^2x=2sinxcosx B) 3tanx=cosx Please help Thankyou
*April 12, 2016*

**Maths**

State the period in radians for each of the following functions A) y=cosx B) y=sin2x C) y=tan3x D) y=cos(x/2) Please help Thankyou
*April 12, 2016*

**life orientation**

leave
*April 12, 2016*

**life orientation the impact of corruption and frau**

Answer
*April 12, 2016*