Wednesday

June 29, 2016
Total # Posts: 1,040

**math**

Okay thank you! If i work the other ones out would you mind checking them for me?
*September 18, 2015*

**math**

Can someone help me with these questions?? I really can't figure it out. Please help me I really need it... I have to write an equation to represent these real-life situations in which the variable is on the left side of the equation with an operation and a number. Then ...
*September 18, 2015*

**math**

Alright! thank you so much! this really helps!
*September 18, 2015*

**math **

could someone check my work please? I have to solve for 'x' Questions ~ 1. 3x – 19 = -2 Add ‘19’ to each side of the equation ~ -19+19+3x= -2+19 Combine like terms~ -19+19=0 0+3x= -2+19 3x= -2+19 Combine like terms~ -2+19=17 3x=17 Divide each side by&#...
*September 18, 2015*

**math **

could someone check my work please? I have to solve for 'x' Questions ~ 1. 3x – 19 = -2 Add ‘19’ to each side of the equation ~ -19+19+3x= -2+19 Combine like terms~ -19+19=0 0+3x= -2+19 3x= -2+19 Combine like terms~ -2+19=17 3x=17 Divide each side by&#...
*September 17, 2015*

**math**

2. 4x - 12x = 62 + 4(11) Combine like terms ~ 4x+-12x=-8x -8x= 62+4(11) Multiply ~ 4*11 -8x=62+44 Combine like terms ~ 62+44=106 -8x=106 Divide each side by ‘-8’ X=-13.25 X= -13.25 3. x/8 + 7 = - 10 ?? I can't figure this out 4. 4(5x – 9) = -2(3x + 7) Add...
*September 17, 2015*

**math**

3x – 19 = -2 Add ‘19’ to each side of the equation ~ -19+19+3x= -2+19 Combine like terms~ -19+19=0 0+3x= -2+19 3x= -2+19 Combine like terms~ -2+19=17 3x=17 Divide each side by‘3’~ x=5.666666667 X = 5.666666667
*September 17, 2015*

**math**

Could someone help me solves these questions? And can you show me how you did it? I can't figure out how to do these ones... I would really appreciate any help. Questions~~ ~ 3x – 19 = -2 ~ 4x - 12x = 62 + 4(11) ~ x/8 + 7 = - 10 ~ 4(5x – 9) = -2(3x + 7) ~ ½...
*September 17, 2015*

**World History **

1. Which of the following lists of events is in chronological order. A. The Magna Carta, the ratification of the U.S Constitution , the American revolutionary war, romans create the 12 tables.*** B. Romans create the 12 tables, the American revolutionary war, Magna Carta, the ...
*September 17, 2015*

**Math**

Thank you! I really appreciate all your help!
*September 16, 2015*

**Math**

I can't figure out my last 3 problems please someone help me... I would really appreciate it if you could explain how to do it Questions- In each of the following situations, write the phrase as a mathematical expression. Combine like terms, if possible. 8. Bobby is 5 &...
*September 16, 2015*

**math**

Thank you soo much! This really helps!
*September 16, 2015*

**math**

can someone check my work please? 1. Seven times a number, added to the sum of the number and eight. 7*x+8 2. A number multiplied by -7 less 11 X*(-7)-11 3. A number multiplied by 9, added to -8 X*9+(-8) 4. 8.7 less than a number 8.7-x 5. The sum of a number and 12 decreased ...
*September 16, 2015*

**History **

LANDSAT images have changed cartography because A. The images allow scientists to track earths environment*** B. The images allow scientists to view entire mountain ranges C. The images allow scientists to view oceans D. None of the above
*September 14, 2015*

**math**

Can someone help me answer this question? It's combining like terms, my teacher said that the first term is right but the rest is wrong. Question~~ 2x^2y–5xy–7xy–8x^2y+9xy^2 –xy^2 My answer ~~ 2x^2+-8x^2 (2-8)x^2 -6x^2 y+y+y+y (1+1+1+1)y 4y -5x+-7x+9x+-...
*September 14, 2015*

**math**

Ok thanks so much!!
*September 10, 2015*

**math**

Can someone help me answer this question? I need to Combine the like terms. My teacher said I got a portion incorrect. Question~~ – ½ a + ¾ b – (a – 8b) My answer~~ -1/2a+1a 1/2a 3/4b+8b (3/4+8)b 8 3/4b The answer is 1/2a+8 3/4
*September 10, 2015*

**math**

oh okay! Thank you sooo much!! I really appreciate your help!
*September 10, 2015*

**math**

Please help me Combine the Like Terms, I really need help. My teacher said to show at least one more step. Evaluate the following when a = 4 and b = -1. Question~~ 4a – 5b + 2a – b2 My answer~~ 4*(4)-5*(-1)+2*(4)-(-1)^2 = 28
*September 10, 2015*

**math**

Thank you so much for your help!!
*September 4, 2015*

**math**

let a = 2, b = -5, c = 7, and d = -4 Question ~ Evaluate b – a(cd + b) This was my answer ~~ Evaluate b – a(cd + b) (cd+b)=-33 (7)(-4)+(-5) (7)(-4)=-28 (-28)+(-5)=-33 (-5)-(2)((-33)) (2)((-33))=-6 (-5)-(-6)=1 Can someone help/show me how to answer this question? and ...
*September 4, 2015*

**English **

1. What fact best explains why it is significant that Angelou's narrative is set in 1940? A. In 1940 the united states was not yet involved in world war 2 B. In 1940 segregation of blacks and whites was still the norm *** C. In 1940 most high school students did not go on ...
*September 4, 2015*

**History**

Combining ideas to make something new is known as? A. Evaluation B. Synthesis C. Interpreting *** D. Analyzing
*September 4, 2015*

**History**

Is it C
*September 4, 2015*

**History**

Which set of words indicates that the author is demonstrating the cause and effect of events? A. So; because; therefore; as a result B. Above; behind; next to; below *** C. Help; problem; obstruction; difficulty D. Principal; central; fundamental; instrumental
*September 4, 2015*

**English**

Thank you
*September 4, 2015*

**English**

Similarly on the other hand and however are the signals that the author of a source is using which of the following structures. A. Sequencing B. Comparison and contrast *** C. Cause and effect D. Problem and solution
*September 4, 2015*

**Algebra**

20 years ago, dan is 16 more than twice the age of ken. the sum of their ages is 70. how old are they?
*September 3, 2015*

**math**

Thank you so much! Distributive property is what I thought it would be but I wasn't sure because the "a" wasn't in the parenthesis. I really appreciate your help!
*September 3, 2015*

**math**

So what I have to do is say which property justifies each step, this is what I put and my teacher said I got it wrong... could someone please help me? question~ 3. (6a + 2a) +8b = (6 + 2)a + 8b Answer~ Associative property of addition
*September 3, 2015*

**Algebra**

1. Which is an example of an algebraic expression? A. 4(3 +8) B. 18^2 C. 3 - a D. 21 . 4 *** 2. Which is an algebraic expression for 5 more than z? A. 5z B. z + 5 C. 5z + 5 *** D. 5 - z 3. Which word phrase can be used to represent the algebraic expression 4(21 + n)? A. 4 plus...
*September 3, 2015*

**5th grade**

87-14=70
*September 2, 2015*

**Algebra**

Which resource provides instructions and practice related to the content in the online textbook. A. TI - Nspire *** B. Sample work C. Power Algebra D. Teachlet tutorial
*September 2, 2015*

**Algebra 1**

1.B 2.A
*September 1, 2015*

**Algebra 1**

1.Which of the following situations best describes a student engaged in active learning. A. A student uses only one of the resources provided by the teacher*** B. A student skips parts of lessons that he or she finds difficult C. A student records questions to ask the teacher ...
*September 1, 2015*

**Math**

Maria has an 8-sided die that is numbered from 1 to 8. She rolls the die 96 times. About how many times can she expect to roll an 8?
*June 12, 2015*

**physics**

A 3 kg book is lifted 5 meters above the floor for 250 seconds. What is the work done?
*June 11, 2015*

**Spanish Check**

Thank you so much for checking those for me. Also, I would've added the accent marks but I wasn't sure if they would show up on the website. But now that I know they do, I will remember that for the future. Could you also check these ones? They follow the same ...
*May 19, 2015*

**Spanish Check**

Hi! Can someone check these for me? Thanks! Directions: Label each sentence with the correct tense they are in. They translate it into full Spanish. 1.) I will study. (Future) (Translation: Estudiare) 2.) Mom made tacos. (Present) (Translation: Mama hizo tacos) 3.) I’m ...
*May 19, 2015*

**Chemistry**

Test Tube # Gram of KNO3 + ml of H2O Crystallization temp. (oC) 1 6.00g/10ml 50 oC 2 9.00g/10ml 54 oC 3 12.00g/10ml 65 oC 4 15.00g/10ml 72 oC that is the data i have, and i put it into a graph
*May 18, 2015*

**Chemistry**

what mass of precipitate will form if a saturated solution of potassium nitrate is dropped from a temperature of 70 degrees celsius to a temperature of 45 degrees celsius?
*May 18, 2015*

**Math**

If Nathan saves 35% on a $22.50 dress shirt how much did he save?
*May 13, 2015*

**Math**

Do the data in the table represent a linear function? if so, write a rule for the function X= -2,-1,0,1,2 Y= -7, 1,8,17,25 A. yes; y= 8x + 9 B. yes ; y = 8x +8 C. yes ; y = 1/8x+8 D. no*** plz help me
*May 11, 2015*

**Math**

Do the data in the table represent a linear function? if so, write a rule for the function X= -2,-1,0,1,2 Y= -7, 1,8,17,25 A. yes; y= 8x + 9 B. yes ; y = 8x +8 C. yes ; y = 1/8x+8 D. no***
*May 11, 2015*

**Math**

So d?
*May 11, 2015*

**Math**

Is it B,C, or D plz help me
*May 11, 2015*

**Math**

Then what is it I am so confused
*May 11, 2015*

**Math**

I don't know
*May 11, 2015*

**Math**

5*3^n A.15,30,45,60*** B.5,15,45,135 C.0,15,45,135 D.15,45,135,405 I need help plz answer my question
*May 11, 2015*

**Math**

I meant D
*May 11, 2015*

**Math**

My answer would be A
*May 11, 2015*

**Math**

use the function rule f(x)=x * |-1|^x. find the output f(2). A.4 B.3 C.-2 D.2
*May 11, 2015*

**Math**

5*3^n A.15,30,45,60*** B.5,15,45,135 C.0,15,45,135 D.15,45,135,405
*May 11, 2015*

**history **

What was a boomtown? A. Towns that grew up quickly near mining sites B. Towns being demolished*** C. Loud cities D. Towns with nothing but a railway station
*May 8, 2015*

**Math**

No problem
*April 24, 2015*

**Math**

yes you are correct
*April 24, 2015*

**Health**

Thank you I got them all right
*April 24, 2015*

**Health **

True or false: Universal precautions attempt to prevent infectious diseases from being spread from the victim to the good Samaritan and vice versa. A. True*** B. False The first step in an emergency is A. Check*** B. Call C. Care D. Do Something It is important to have ...
*April 24, 2015*

**science**

Ok thanks anyway :)
*April 23, 2015*

**science**

There is just 2 questions . 1. Are BEVs or hydrogen fuel cell vehicles a more promising transportation technology for the future? and 2. Should car companies be required to produce electric cars?
*April 23, 2015*

**science**

No:/ i really need help
*April 23, 2015*

**science**

Are BEVs or hydrogen fuel cell vehicles a more promising transportation technology for the future? (This is question #3 from p. 608.) Should car companies be required to produce electric cars?
*April 23, 2015*

**Math**

identify the sequence as arithmetic, geometric, or neither. Explain your answer. 1.6, 0.8, 0.4, 0.2. plz help me I'm really confused.
*April 23, 2015*

**English**

From which statement in The Governess could you conclude that mistress is self important? A. I didn't bother making a note of it because I always do it*** B. Maybe you heard forty when I said thirty C. I excelled in mathematics. He gets that from his mother. D. The saucer ...
*April 23, 2015*

**Science**

So B
*April 23, 2015*

**Science **

the force of gravity on jupiter is much stronger than the force of gravity on earth. which of the following explains why this is true. A. Jupiter's orbit is farther away from the Sun and Earths orbit B. Jupiter has more mass than Earth C. Jupiter's orbit is closer to ...
*April 23, 2015*

**Math**

A toy manufacturer produces action figures and packages them into small boxes. The distribution center then puts them in larger boxes to ship them to stores. 1.) Decide which box can ship the most action figures. 2.) How many action figures fit in the box? 3.) How can they be ...
*April 17, 2015*

**Health**

__________ supervision means you keep your children in your view when they are in or near water? A. Active B. Quiet C. Loud D. Adult***
*April 17, 2015*

**English**

So B
*April 16, 2015*

**English**

In which sentence is the meaning of the word blackmail best expressed. A. They hope that her envy would not cause blackmail B. They were afraid that blackmail would lead to more demands for money C. They reached for the phone, eager to hear the blackmail news.*** D, Alone and ...
*April 16, 2015*

**English**

I think the answer is B
*April 10, 2015*

**English**

So the answer is B
*April 10, 2015*

**English**

what external motivation strengthens Anne and Peter's relationship in the diary of anne frank, act 2. A. the time they spent together at school*** B. being forced by the Nazis to hide in the attic C. the teasing both endured from classmates D. their shared fear of the future
*April 10, 2015*

**Social Studies**

About how many African Americans served in the Union army? A. 2,000 B. 10,000 C. 200,000 D. 1 million***
*April 10, 2015*

**Math**

B or C
*March 31, 2015*

**Math **

2. Given the data 12,39,21,18,24,17,12,25 a what is the outlier in the data? b what is the mean with the outlier? c what is the mean without the outlier A. 12;21;18.4 *** B. 12; 18.4; 21 C. 39; 21; 18.4 D. 39; 18.4; 21
*March 31, 2015*

**Math**

Thank you
*March 31, 2015*

**Math**

1. What are the mean, median, mode, and range of the data set given the altitude of lakes in feet: -11, -28, -17, -25, -28, -39, -6, and -46? A. Mean = -25, Median = - 26.5, Mode = -28, Range = 40*** B. mean = -25; median = -40; mode = -26.5; range = 28 C. mean = -26.5; median...
*March 31, 2015*

**physics**

A 8.0 kg shell leaves a 2.0 x 103 kg cannon, at a speed of 4.0 x 102 m/s. What is the recoil speed of the cannon?
*March 29, 2015*

**Math Help!!!**

Why is it Geometric though
*March 27, 2015*

**Health **

True or false: The endocrine system only regulates long term changes in the body? A. True *** B. False Which endocrine gland (s) are responsible for the changes associated with puberty? A. Thymus gland B. Reproductive glands *** C. Thyroid gland D. Pancreas If your body is ...
*February 27, 2015*

**math**

So, there is 5 siblings total. If you add up all there ages and divide by 5, you get 6. What can you divide by 5 to get 6? When you get "that number", you can age the siblings however you want to get "that number" as your total. The, keep finding the mean ...
*February 25, 2015*

**Chemistry**

What volume of oxygen gas can be collected at 0.565 atm pressure and 48.0◦C when 42.9 g of KClO3 decompose by heating, according to the following equation? 2 KClO3(s) ∆−→MnO2 2KCl(s) + 3O2(g)
*February 25, 2015*

**chemistry**

I need the answer so I can check my work.
*February 25, 2015*

**chemistry**

How much H2 gas at STP can be produced by the reaction 2 Na(s) + 2 H2O(ℓ)heat−→ H2(g) + 2 NaOH(aq) of 3.90 g of Na and excess water? Answer in units of L.
*February 25, 2015*

**Algebra**

20/4=5 16/4=4 12/4=3 8/4=2 4/4=1 So we know it is none of these. Now we are just using even numbers not equal to these. So, 18, 14, 10, 6, 2!!
*February 25, 2015*

**Chemistry**

What is a molecular dipole moment? A. A separation of charge characterizing a nonpolar covalent bond B. A separation of charge forming a positive and a negative end of a molecule C. The arrangement of charges around an atom in a nonpolar molecule D. A net cancellation of ...
*February 20, 2015*

**Chemistry **

A 11.6 g sample of an unknown metal was heated to 100.0 oC and then added to 25.0 g of water at 23.0 degrees Celsius in an insulated calorimeter. At thermal equilibrium, the temperature of the water in the calorimeter was 24.8 degrees Celsius. What is the heat absorbed or lost...
*February 19, 2015*

**math**

How do prove without using a formula , that the sum of the series 3²+3³+3to the power of 6+...to 20 terms is given by S20 =9/8(9to the power of 20 -1)
*February 19, 2015*

**Science**

ok. thank you so much
*February 10, 2015*

**Science **

Select the three words that belong together. To do this, pick oneword from each three sets below. Set 1. Estuary, lake, nertic zone Set 2. Hight salt, intermediate salt, no salt Set 3. Trout, coral, oyster (Choices) 1. Neritic zone, intermediate salt, oyster 2. Lake, no salt, ...
*February 10, 2015*

**social studies**

Why did the Jews feel entitled to claim Israel as their nation following World War 2 A) They had no place else to go B) They believed that God had promised them this land C) They had military strength to hold the land D) The United Nations had given them this land
*February 3, 2015*

**social studies**

someone help please
*February 3, 2015*

**social studies **

if you wanted to catch a rain shower while visiting Israel, Where would you most likely visit 1)Southern Israel 2) east of Jordan river 3) The dead sea 4) The Mediterranean sea
*February 3, 2015*

**Math Work**

Can someone please help me with this? Thanks! :) Directions: Use the Product-to-Sun formulas to write the product as a sun or difference. 4cos pi/3 sin 5pi/6
*February 3, 2015*

**Math**

I am confused on this one 2. plz help me
*February 2, 2015*

**georgia state history**

council of georgia
*January 31, 2015*

**Trigonometry**

(Triangle ABC is scalene) AC is a straight shore line and B is a boat out at sea. Angle A is 60 degrees and Angle C is 45 degrees. Find the shortest distance from the boat to the shore if A and C are 5km apart...I honestly have no idea where to start with this. I drew it out, ...
*January 28, 2015*

**Math**

Find the exact value: cos(pi/16)cos(3pi/16)-sin(pi/16)sin(3pi/16)
*January 28, 2015*

**math**

The answer was B, but thanks anyway. :)
*January 28, 2015*