math
if 40 percent of my grade is at a 97 percent average and 40 percent of my grade is at a 92 percent average and my final test is worth 20 percent of the grade then what do i have to score on my final test to have a grade of 91.5 percent or better?

How do you find out what your grade is on a paper? For example if there is 70 questions and you miss 10 how do you find out what your grade is? Do you subtract 70 and 10 and when you get your answer you divide it by 100?

a student scores 76,82,83 on the first three test, she has a 92 homework averge. if the final exam is 50% of grade and homework is 10% and the test average (nit including the final) is 40% then what grade should she get on the final exam to get a 87.5 in the class?

math
-25 plus 4 to the 2nd power times 3 minus 5 to the 3rd power

I didn't see an answer from yesterday, so resending. Also, is there a website to explain how to solve word problems - like key phrases to look for (ex: 'in all' - add; 'what's left' - subtraction)? Here's question from yesterday: sorry,but I don't understand word problems - ...

sorry,but I don't understand word problems - like what formula/expression to use. Here's the 1st problem: Rob practiced 3/5 of his music in 25minutes. About how long does it take to practice all of his music? I know that Rob has 2/5 left of music to practice. So, do I multiply...

math
student got 25 questions correct did not pass,2nd attempt got 36 correct what was percent increase show how solved

Math 8R - HW Qs. Check
Write the product of (1.7 x 10 to the 9th power) x (1.4 x 10 to the 2nd power) in scientific notation My Answer - 2.38 x 10 to the 11th power am i correct and please reply this post

Computer Science (Programming Logic And Design)
Create a program that outputs a letter grade for a student based on the following table:  From To Grade  90 100 A  80 89 B  70 79 C  0 69 F  I don't understand how to do this. Would you mind helping me get the answer to this Program?

Computer Science (Programming Logic And Design)
Create a program that outputs a letter grade for a student based on the following table:  From To Grade  90 100 A  80 89 B  70 79 C  0 69 F  I don't understand how to do this. Would you mind helping me get the answer to this Program?

Programming (CSI 150 Programming Logic and Design)
Create a program that outputs a letter grade for a student based on the following table:  From To Grade  90 100 A  80 89 B  70 79 C  0 69 F  I don't understand how to do this. Would you mind helping me get the answer to this Program?

Programming (CSI Programming Logic and Design)
Create a program that outputs a letter grade for a student based on the following table: From To Grade 90 100 A 80 89 B 70 79 C 0 69 F I don't understand how to do this. Would you mind helping me get the answer to this Program?

math
If sinx=3/5,cosy=-12/13,where x and y both lie in 2nd quad.Find the value os sin(x+y).

Math Statistics
Kesha's mean grade for the first two terms was 74. What grade must she get in the third term to get an exact passing average of 75?

Math Statistics
Kesha's mean grade for the first two terms was 74. What grade must she get in the third term to get an exact passing average of 75?

Maths
Find three no. Such that,the 2nd is twice the 1st,the 3rd is three times the first and their sum is 180. Ans is 30,60,90

math
the manager of a starbucks store plans to mix A grade coffee that cost 9.50 per pound with grade B coffee that cost 7.00 per pound to create a 20 pound blend that will sell for 8.50 a pound. how many pounds of each grade coffee are required?

Frank saved 50% by purchasing his airline ticket early. His wife paid full price. If their total was \$294 how much was Franks's ticket only? Can someone please explain this to me in 5th grade terms.

SS8R - (2nd question) help!
business rockefeller control???????? i only thing I know is that he formed a Standard Oil Company.... does that count is there any other business he control (looked up on wiki, not there...)

Social Studies 8R (2nd question)
Why do some call him a Capatain of Industry? Now for this question I know why, is because since he a industrialist, he controlled many railroads. He was on of the richest man in america. right????

Social Studies 8 - help!!!!! (2nd question)
What organizations or buildings named after cornelius vanderbilt? So far I only got Vanderbily University is there anything else????? I google it and that's all it gave me please help me!!!!!

Health 8 (2nd question)
Describe the effects of alcohol Answer - There were 283 deaths recorded as alcohol-related and could cause blackouts, memory loss and anxiety. Am I correct and is my answer is good????

a random sample of the grade of 78 students is taken. what is the probability that the average grade will be between 80.3% and 82.3%?

algebra
how do I evaluate 2x to the 4th power + 2 x to the 3rd power + x to the 2nd power when x + 7

Math
Jessie’s average grade in Algebra for the first two terms is 73.5. What grade must he get in the third term to have an average of 75?

math
The principal is choosing between 2 field tripS. The firt costs 600 dollars. The 2nd costs \$240 plus \$40 per students. For wat # of students is the 1trip less expensive?

science
Is venus the 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th or 9th smallest planet?

algebra 2
i'm trying to solve this system of equations with 3 variables 5a-b+3c=5 2a+7b-2c=5 4a-5b-7c=-65 i tried to make the first equation like a=something so i could substitute it in to the 2nd equation, however i get decimals so it doesnt work how do i do this problem?

statistics
You are given the following data. Number of Absences Final Grade 0 95 1 91 2 82 3 69 4 67 5 58 - Find the correlation coefficient for the data. - Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.

There are 25 students in Mrs. Roberts 3rd grade class. There are 9 more boys than girls in the class. How many boys and girls are in Mrs. Robert's class? How can I explain this to my 8yr old in 3rd grade? I've got myself so confused in the process of trying to figure it out ...

math
there are 15 boys and 18 girls in fifth grade. Find the ratio of boys to girls in fifth grade.(how do I get the answer) can someone show me how to work the problem

math,social studies and heaalth
I am in middle school and I want to know what my grade point average is. Do you know any websites where I can calculate my grade point average. Thanks.

physics
A car coasts (engine off) up a 30 degree grade. If the speed of the car is 25m/s at the bottom of the grade, what is the distance traveled by the car before it comes to rest?

Database
Following report shows a grade report that is mailed to students at the end of each semester. Prepare an E-R diagram reflecting the data contained in the Grade Report. Assume that each course is taught by one instructor. MILLENIUM COLLEGE GRADE REPORT FALL SEMESTER 199X NAME: ...

Database
Following report shows a grade report that is mailed to students at the end of each semester. Prepare an E-R diagram reflecting the data contained in the Grade Report. Assume that each course is taught by one instructor. MILLENIUM COLLEGE GRADE REPORT FALL SEMESTER 199X NAME: ...

I did my calculations wrong and now Im going to get a bad, bad, bad grade on my lab report I need to know what how to find the highth and width and radius of several things are help me plz!!!!

algebra 1
place parenthesis so answer = 14. 2x2+3 to 2nd power-4+3x5.

Soc studies
What are the differences between the 1st and 2nd continental congress and their outcome?

hey i need to new what it the answer for this question 35 fewer than 168 and this is 7 th grade math so plz tell me thanx

physics
If a radioactive isotope has a half-life of 1 year, how much of the original sample will be left at the end of the 2nd year?

geography
which country is the biggest (mongolia,china,southkorea,north korea,japan? p.s. i am 8 yaers old and going to 4th grade so use 4th grade words so thank you but no thanks to the geeks. sincerely, cesia xoxo

math
Ms. Sue are you able to break 3/4ft.= how many inches for a 2nd. grader.

programming
write a flowchart program which shows persentes of 4 student 1st 2nd 3rd 4th meximum nd minimum?

calculus
Use the 2nd derivative test to find the extremer of f on the interval [0,2PI] f(x)=2cosx+sin 2x

National Junior Honor Society
Since I'm in the NJHS. Is there any community service hours ideas because the advisor will give us community service hours sheet. Just to let you know I'm going to the 8th grade. My goal is to complete 300 community service hours. Is there any sites that have list of ideas. So...

I CANNOT BELIEVE THIS IS A THIRD GRADE WORKSHEET! THIS IS SOO INAPPROPRIATE. THEY HAVE NEVER DONE LONG DIVISION OR REMAINDERS & THERE IS ONE WEEK OF SCHOOL LEFT & THIS IS WHAT THE TEACHER HANDS OUT.....86 DIVIDED BY 9, 17 DIVIDED BY 3, 73 DIVIDED BY 8 ! HOW MANY FLUID OUNCES ...

math
mike has an average of 89 on the five tests he has taken so far this semester. what grade must mike earn on the next test to raise his average grade exactly to 90?

math
Identify -7x^3+6x^2+6x+9 1st, 2nd, 3rd, and 4th terms. Thanks

calculus
1. A hill with a 35 degree grade (incline with horizontal) is cut down for a roadbed to a 10 degree grade. If the distance from the base to the top of the original hill is 800 ft., How many vertical ft will be removed from the hill rounded to the nearest ft

math
(8x to the 3rd power) (4x to the 2nd power) simplifi

science fair
I need a science fir project!! I looked on a thousand of websites online but they give no interesting idea. I am in 6th grade and i need something at a 6 grade level that is easy a science fair project that is do in 1 week. i am in 6 grade and i don't need experiments from ...

physics
When an electron jumps from the 4th orbit to the 2nd orbit which series line does it get?

chemistry
How is it possible for a chemical rxn to be highly spontaneous and have a negative entropy value? Isn't this inconsistent with the 2nd law of thermodynamics?

how many credits does a 6th grader in oklahoma need to pass into 7th grade?

Calculus I
Find the derivative ** (sq root) y = (square root) x + (2nd sq root) x + (3rd sq root) x ** All the x's is under three sq roots y' = 1/2(sq rt) x + 1/(sq rt) x + 3/2(sq rt) x Is this right?

math
The 2nd, 3rd and 4th term of an ap are x-2,5,x+2 respectively ,calculate the value of x

Geometry
two perpendicular lines with the equations y=1/3x+9 and y=mx-3 contain the consecutive sides of a rectangle. What is the value of mx in the 2nd linear question.

n [1.70E-2] = ln(0.144) - (k s-1)(3609 s) Solve for k. I have a TI30 calculator. Am I suppose to press just the ln button or do I have to press 2nd and then ln??

Math
ln [1.70E-2] = ln(0.144) - (k s-1)(3609 s) Solve for k. I have a TI30 calculator. Am I suppose to press just the ln button or do I have to press 2nd and then ln??

My friend is in the 7th grade and broke his wrist so he cannot type. Wat is the square root of pi.He said he knows pi=3.14 but he doesn't know how to work it out. He said thanks.

statistics
12. A statistics student received a grade of 85 on a statistics midterm. If the corresponding z score equaled +1.50, and the standard deviation equaled 7, what was the average grade on this exam? a. 95.5 b. 74.5 c. 78.0 d. Cannot determine without knowing how many took the ...

algebra
How do i solve 8y to the 2nd plus 30y plus 13

College Chemistry
previous answer to problem before this one(relevant in 2nd half of this question): 294.472689amu what would be the mass of 1.36 moles of these atoms? Enter your answer here: ____ g

physics
rank higest to lowest air drag? 1)a 5lb lead block teraveling at 95% terminal speed. 2a 5lb styrofoam block at terminal speed? 3)a10lb styrofoam block traveling faster than terminal speed? 4)a 10lb styrofoam block at terminal speed? put in orderfrom least air drag,2nd least ...

Math
What equation do I use to find out what I need to get on my exam to pass my class. I have a 65.9% and the exam is 20% of my grade....if you need any additional information let me know..... also a passing grade is 59.5

math
What is P(-4) given that P(x) = 2x to the fourth power - 3x to the third power + 5x to the 2nd power - 1?

math
What is P(-4) given that P(x) = 2x to the fourth power - 3x to the third power + 5x to the 2nd power - 1?

math
What is P(-4) given that P(x) = 2x to the fourth power - 3x to the third power + 5x to the 2nd power - 1?

math
What is P(-4) given that P(x) = 2x to the fourth power - 3x to the third power + 5x to the 2nd power - 1

I was reading my school district program of studies and I found this section in for high school coures. - English 9H - Integrated Algebra A - Earth Science - Global History and Geography I or H - French Beg. 1 - Orchestra (a days)/ Health (b days) - Studio Art I - African ...

math
If I have a 66% in algebra Android we took a exam that's worth 20% of our grade Android I got a 54% on the multiple choice what would my average grade be?

Gov
Who is sometimes viewed as 2nd powerful federal official after the president?

Math
Trying to understand an inverse trig function. Evaluate Cos^-1 (sqr3/2) So I know it's 30 degrees, but wouldn't it also be 150 degrees because the Arc-cos is defined in the 2nd quadrant?

Me and my friend are making our own 8th grade binder, you know like writing down planns for our 8th grade year. Here are the sections: - To-Do-List - Doodles (if you are bored) - Projects that are do (school plans) - Graduation Plans (speech, to-do-list, etc.) - Dates for ...

Medical billing
2nd question, pt present for PO check of head wound Pariental area healed well. RTO prn ( pf hx/px/sf/mdm) what is the code...

maths
Solve the following 2nd order differential equation explicitly by expanding up to order x5, y''(x) = (1 + x^2)*y(x) pls show working y =f(x)

maths
Solve the following 2nd order differential equation explicitly by expanding up to order x5, y''(x) = (1 + x^2)*y(x) pls show working y =f(x)

Economics
Im trying to figure out my grade what would i need to get a c average in the class;39%,of my grade is is based on 3 assignments(i got so far 62%,80%,haven't done the last assignment yet), 3 exams each worth 20%( i got a 2%,40%, haven't taken the last one) and 1% for just given...

mercy land
the 2nd, 3rd, and 4th term of an arithemetic progression are x-2, 5 and x+2 respectively, calculate the value of x and hence find the 20th term..

statistics
A researcher is investigating whether, on average, 3rd grade males have significantly different creativity scores than 3rd grade females. She samples students from a large school district where she works. What is the independent variable?

Logic
Gene will teach 7th grade of Gene will teach 8th grade. If Gene teaches 7th grade, he will be assigned to the Sunset Road School. Gene will carpool with Chris if he is assigned to the Sunset Road School. If Gene teaches *th grade he will have his daughter Briana in his class. ...

SCIENCE
What is the name of the 2nd biggest planet in our solar system?

PLZ HELP....STATS
You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.

Stats
You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.

Math
You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.

geometry
ONE SIDE IS 57 AND 2ND SIDE 15.FIND PARALLEL DISTANCE

math
the chess club has 55 members 22 of them are in 6th grade what percent of the club is not in 6th grade

math
how to solve (4.8 x 10 to the 2nd power) divided by 2.4 x 10 to the 10 th power)

Algebra 2 (Linear Programming)
The Carbon coal company has 2 mines, a surface mine ad a deep mine. it costs \$200 per day to operate the surface mine and \$250 to operate the deep mine. Each mine produces a medium grade and a medium-hard grade coal, but in different proportions. This surface mine produces 12 ...

Algebra II
prove the following using trigonometric identities: cos 0 (sin 0 + cos 2nd power / sin 0) = cot 2. Keep getting stuck. thanks

calculus
Piecewise f(x) = { (x^2, x<=2) (mx + b, x>2) I am not sure what the graph would look like for the 2nd function. Any tips on drawing functions like this would be of great help.

Algebra
A roof rises 2.3 feet vertically, and 7.4 feet horizontally. What is the grade of the roof? I do not understand how to even find what the grade would be..can anyone help?

sociology HS 2nd year
What are some of the rules that the caste system imposes?Give me the ans in point ways.

if all my grades are above an 80 how will a 38 affectn my grade.

programming
2-5 Grade Determination is says " Write a program that will input three test scores. the program should determine and display their average. the program should then display the appropriate letter grade based on there average. the letter grade should be determined using a 10 ...

Math
Hey umm what do you learn in the 5th grade math??? This is for my brother cause he is going to the 5th grade.

Algebra
In a class of 110 students, 22 received the grade of A. what fraction of the students did not receive the grade A?

algebra
Solve the quadratic equation 2x to the 2nd power -3x-2=0using the quadratic formula. Read the information in the assignment list to learn more about how to type math symbols in MS Word, such as the square root.

math
a student is selected at is the probability the the randomly selected stundent is neither a 10th grade nor an 11th grade express your answer in fraction in simplest form

Algebra
a 260 m wire is cut into 3 pieces. The second is 4 times longer than the 1st. The third is 2 times longer than the 2nd how long is each piece=

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