Posts by abby

Total # Posts: 1,209

Chemistry
Suppose the density of 100.0 mL of some liquid was found to be .78 g/mL . What would be the specific gravity of 25.0 mL of the liquid?

math
Could someone please show me how to do these problems? or just show me how to do 1 or 2? I would really appreciate any help you could give... There are examples in my lesson but I don't understand them, here are the examples~~ EXAMPLE~ Solve 3(x – 2) + 4 > 2(2x &#...

Physics
LOL thought you was slick!!! i don't get it either. Sapling is so annoying

math
Could someone please show me how to do these problems? I would really appreciate any help you could give... There are examples in my lesson but I don't understand them, here are the examples~~ EXAMPLE~ Solve 3(x – 2) + 4 > 2(2x – 3). First I'll multiply ...

math
Can someone show me how to answer this question? Please? I would really appreciate any help you can give baseball statistics~~ “According to an Associated Press study, the average MLB salary will break the $4 million mark for the first time in 2015, continuing a trend ...

math
Can someone show me how to do these problems, please? I really need help... I just have to answer the questions and show how it was solved 1. Carlos spends at least 45 minutes each day on the Internet. Which inequality could be used to describe the amount of time, x, that ...

Physics Projectile Motion
An archer shoots an arrow at a 72.0 m distant target, the bull's-eye of which is at same height as the release height of the arrow. (a) At what angle must the arrow be released to hit the bull's-eye if its initial speed is 36.0 m/s? (Although neglected here, the ...

Physics Projectile Motion
A ball is kicked with an initial velocity of 21 m/s in the horizontal direction and 16 m/s in the vertical direction. (Assume the ball is kicked from the ground.) (a) At what speed does the ball hit the ground? (b) For how long does the ball remain in the air? (c) What maximum...

math
Can someone show me how to answer this question? Please? I would really appreciate any help you can give baseball statistics~~ “According to an Associated Press study, the average MLB salary will break the $4 million mark for the first time in 2015, continuing a trend ...

math
Can someone show me how to answer this question? Please? I would really appreciate any help you can give baseball statistics~~ “According to an Associated Press study, the average MLB salary will break the $4 million mark for the first time in 2015, continuing a trend ...

math
So all I have to do for #9 is say "multiply each side by t ---> d = rt"? I apologize if I'm taking too much of your time but I really appreciate your help

math
can someone show me how to figure these literal equation out? I did them before but my teacher said they were incorrect. Questions~~ Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d ( I didn’t know how to ...

math
#9~ could you show me what you mean? please? #10~ I subtracted 10 from 3

math
can someone help me figure these literal equation out? I did them before but my teacher said they were incorrect. Questions~~ Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d ( I didn’t know how to answer ...

Algebra
4x - 3/5 = 2/5 A. 1/5 B. 5/5*** C. 1/2 D. 1/4

math
can someone show me how to do these problems? Please? I really don't know how to answer them. I would really appreciate it... Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d 10. 3x - y = 10 for y

math
can someone show me how to do these problems? Please? I really don't know how to answer them. I would really appreciate it... Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d 10. 3x - y = 10 for y

History
can someone help me, please?? I answered it once but my teacher said I needed to revise it. Here is the Question~~ 4) Starting in New England and working your way south, describe how each region saw settlers coming for different reasons. Give at least two specific examples for...

Chemistry
Separation of a mixture Lab - SiO2, NaCl, NH4Cl So step #7 was: Carefully pour off (decant) the liquid into the second evaporation dish, Adding deionized water in small amounts to the first dish and to stir it, and pour the liquid again into the second dish. Repeating it. The ...

math
Ok! thank you so much! I really do appreciate your help!

math
Can someone check my math homework? I have to set up an equation... my math teacher said that I didn't show how I set up the equation. can someone show me how to do that please? My work is under the question. 7. Anne is seven years younger than her brother, Brandon. Anne ...

Health
the is an instrument used to preform a type of body fat evaluation? A. Tape measure B. Skinfold caliper*** C. Hydrostatic caliper

Health
Girth measurements are reliable method of measuring body composition? A. True B. False*** There are many different methods of measuring body fat however the results may vary and it is often hard to determine their accuracy? A. True B. False***

Algebra
x/4 = 12/6 A. x= 6 B. x= 12 C. x= 8*** D. x= 48

math
Can someone check my math homework? I have to set up an equation... my math teacher said that I didn't show how I set up the equation. can someone show me how to do that please? My work is under the question. 7. Anne is seven years younger than her brother, Brandon. Anne ...

History
ok I will, thank you very much

History
Can someone help me answer these questions? Please help me... I really can't figure out these ones. 1) The Puritans came to America seeking religious freedom England. They established colonies around the church. Give one example of how they sought to establish colonies ...

Algebra
Is(0,3) a solution to the equation y=x+3 A. Yes B. No*** Is (1,4) a solution to the equation y= -2x A. Yes*** B. No Look at the following points (4,0) (3,1) (6,3) (2,-4) Which are the solutions to y= x-4? Choose all the correct answers A.(6,3) B.(4,0)*** C.(3,-1) D.(2,-4)***

math
okay thank you very much!!

math
Could someone please check my work? I would really appreciate any help! here are the instructions ~~ 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 solve the equation ...

math
Okay thank you! If i work the other ones out would you mind checking them for me?

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 ...

math
Alright! thank you so much! this really helps!

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&#...

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&#...

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...

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

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...

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 ...

Math
Thank you! I really appreciate all your help!

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 &...

math
Thank you soo much! This really helps!

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 ...

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

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+-...

Ed Tech
think

math
Ok thanks so much!!

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

math
oh okay! Thank you sooo much!! I really appreciate your help!

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

math
Thank you so much for your help!!

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 ...

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 ...

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

History
Is it C

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

English
Thank you

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

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?

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!

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

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...

5th grade
87-14=70

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

Algebra 1
1.B 2.A

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 ...

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?

physics
A 3 kg book is lifted 5 meters above the floor for 250 seconds. What is the work done?

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 ...

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 ...

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

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?

Math
If Nathan saves 35% on a $22.50 dress shirt how much did he save?

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

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***

Math
So d?

Math
Is it B,C, or D plz help me

Math
Then what is it I am so confused

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

Math
I meant D

Math
My answer would be A

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

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

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

Math
How many cubes with edge lengths of 1/4 foot could fit in the cabinet?

Math
No problem

Math
yes you are correct

Health
Thank you I got them all right

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 ...

science
Ok thanks anyway :)

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?

science
No:/ i really need help

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?

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.

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 ...

Science
So B

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 ...

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 ...

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***

English
So B

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