# Posts by katie

Total # Posts: 2,183

Math 116a
would it be 79.30 66.09+20%

Math 116a
Amy bought a pair of running shoes she paid \$66.09 during a 20% off sale, what is the regular price of the shoes? Would I take 66.09 divide by 20%?

Math
-5/6x=-7/8 what is x? would it be 1/4? I don't know how to do this?

Math 116a
oh yes -9+7=-2 duh thanks

Math 116a
Collect Like Terms 15p+7q-4p-9q I get the answe 11p+2q/ I hope I am doing theis correctly.

Math 116A
Cool thankyou I amn trying to figure this stuff out

Math 116A
Simplify 8[56-(-86-32)]= Would thid be 1392 is that what is ment by simplify?

Math 116 a
I got 48/15 divide 48 by 15 and I got 3.2 how does 302 turn into 16/5?

Math 116 a
How do you get that?

Math 116 a
ok thank you

Math 116 a
multiply -8/3*(-6/5)= would it be 48/15? I can remember how to multiply fractions help

Math 116a
Translate to an algebraic expression The product of 45% and some number the translation is? Would it be .45/x?

Math 116a
OH my gosh I remember now sorry now I remember.

Math 116a
What is that? PEMDAS?

Math 116a
Ok thank you I try to put an answer to to see if I am right is that ok?

Math 116a
Evaluate a+b/9= A=51 and B=3 Would I substitute a and B to be 54 so is the answer 6?

pre calc
A math teacher uses four algebra books, two geometry books, and three pre-calculus books for reference. In how many ways can the teacher arrange the books on the shelf if books coiver the same subject matter are kept together?

Fractions
I got it x>93/72?

Math the end
The answers are -5 and -3 I need to know hoe to write the solution {x x> } help

Math the end
Can domeone help me with this? solve 7x + 4 ¡Ý - 31 or 9x + 4 ¡Ý - 21 I need to know how to write the solution {x x> } This is my last day of this class

math
A Freight train passed through a town. Behind the engine was the coal car. The cattle car was between the milk car and the lumber car. The open boxcar was in front of the flat car but directly behind the milk car. Of course, a caboose was at the end. In what order were the ...

Math
Thank You

Math 116a
Solve and Graph 2x+9¡Ý5 and 2x-13¡Ý-9 The solution is {x|x¡Ý } Help

Math 116a
Solve 9/10(3+8x)+3¡Ý15 The solution is {x|x }

Algebra 116 A
solve and graph 2x+9 greater or equal to 5 and 2x-13 greater or equal to -9 the solution is {x x greater or equal to ?} What is the ? help

Algebra 116 A
I thought I needed Brackets or such

Algebra 116 A
I need to write an interval notion for 9<x<14 = how do I write this?

Chemistry
What is the frequency of radiation that has a wavelength of 12um about the size of a bacterium

Math
Yes

Thanks Steve

Math
Solve 3(3-8x)+5<2(9+6x) Use set builder notion to describe the solution? I got x=9/31 is this correct???

Math
What is the classify system of Y=-3 and X=2

Math
What is the classify system of Y=-3 and X=2

math
.0051813

Algebra 116 A
What kind of interval notion do you get for this 9<x<14?

Math help!!
Solve 3(3-8x)+5<2(9+6x) Use set builder notion to describe the solution? I got x=9/31 is this correct???

Math 116
Solve 3(3-8x)+5<2(9+6x) Use set builder notion to describe the solution? I got x=9/31 is this correct???

Math 116a
Graph and write the interval notion? 9<x<14

Math 116 A
Do I use the [ ] or the () on the number line?

Math 116 A
7X+4>-13 or 9x+4>-23 The solution of the compound inequality is ? I am totally lost!!!!!!!!

Math a
7X+4>-13 or 9x+4>-23 The solution of the compound inequality is ? I am

Math 116 A
Solve 3(3-8x)+5<2(9+6x) Use set builder notion to describe the solution?

Math 116a
7X+4>-13 or 9x+4>-23 The solution of the compound inequality is ? I am totally lost!!!!!!!!

Math 116 a
9<x<14 write an interval notion?

Math 116A
Solve 3(3-8x)+5<2(9+6x) Use set builder notion to describe the solution? Help!!!!!

Math 116
How would the order be (2,-3)?

Math 116
If I graph these is there only one line? Is the system consistant or inconsistant? Is it dependent or Independent?

Math 116
How do you graph X=2 and y=-3 what is the order pair if any?

Math 116
OOps sorry 8x-5y=35 -8x+5y=-35 are these consistant?

Math 116
would the graph of 8x+5y=35 be consistant or non consistant? I think consistant

Math 116
what is an interval notation and how do you find it? or write it?

Math
whay would you need to add that just add the 38+ 45?

Math
Subtract 5 from 88?

Math 116
How would you write an interval notation for 9<x<14? would it be {x x9<x<14}?

Math
The aunt lives farther out add them together

Math 116
How would you write an interval notation for 9<x<14? would it be {x x9<x<14}?

Math 116
I believe the car is worth more or equal to 7500? X=7500.00

Math 116
miguels insurance company will replace his car if repair cost exceed 80% of the cars value the car recentlly sustaned \$6000 in damage but it was not repalced what was the car's value?. Was it more the \$7500 or is it 7500

physics
a car starts from rest and accelerates for 7.8s with an acceleration of 2.3 m/s squared. how far does it travel

anatomy
What contains blood vessels that nourish the growth zone of the hair? -hair shaft -arrector pili muscle -hair root -hair bulb in follicle -cortex -hair papilla

Statistics
20. A study involves measuring the number of days absent from work for 216 employees of a large company during the preceding year. As part of the results, the researcher reports, “The number of days absent during the preceding year (M = 9.21; SD = 7.34) was . . . .” ...

ochem
Predict a reasonable melting point of a mixture prepared by combining 25mg of biphenyl (mp=70-71C) with 75mg of acetyl salicylic acid (mp=138-140C). Answer should have temps in it.

Physics-can anyone check my work?
A particle starts from the origin with velocity 2i m/s at t = 0 and moves in the xy plane with a varying acceleration given by 2 (sq root t) where is in meters per second squared and t is in seconds. (a) Determine the velocity of the particle as a function of time. So I ...

Physics
A particle starts from the origin with velocity 2i m/s at t = 0 and moves in the xy plane with a varying acceleration given by 2 (sq root t) where is in meters per second squared and t is in seconds. (a) Determine the velocity of the particle as a function of time. So I ...

math
So there are 6 different grade levels with 3 classes in each. So 6*3 = 18 classes total. If there are approximately 27 children in each class, than 27*18 = ? your answer.

Calculus II
Find the volume of the solid obtained by revolving the graph of y= 6x sqrt (9-x^2) over [0,9] about the y-axis.

math math
How do you write the solution to represent the point if intersection?

algebra 11
How do you write the solution to represent the point if intersection?

Math
When using the elimination method does it matter which variable you choose to eliminate? How do you write the solution to represent the point if intersection? I guess it doesnt matter

sociology
It needs to be formal.

sociology
I am writing an essay about my unique,distinctive and universal characteristics. I started my into and i was wondering if someone good proof read for an errors. Thank you

physics
A person walking with a speed of 1.44 m/sec releases a ball from a height of h = 1.28 m above the ground. Use the point on the ground, directly below where the ball is initially released at the origin of your coordinate system. (a) What is the ball's position at 0.25 ...

Siddhartha
Why was the ferryman, Vasudeva so important in the book Siddhartha?

physics
when the shuttle bus come to a sudden stop to avoid hitting a dog, it decelerates uniformly at 4.6 m/s^2 as is slows from 8.2 m/s to 0 m/s. How long does it take for the acceleration for the bus. Answer in units of s

Physics
A car moving with a constant acceleration covers the distance between two points 80 m apart in 8.0 s. Its velocity as it passes the second point is 14 m/s.How far behind the first point was the car at rest?

Physics
Police find skid marks 66 m long on the highway showing where the car made an emergency stop. Assuming that the acceleration was -10 m/s2 (about the maximum for dry pavement), how fast was the car going?

Physics
When would instantaneous speed be the same as average speed? would it be when the speed is constant? when the position changes linearly with time or would it be in the limit when the time interval goes to zero? I thought it would be when the speed is constant, but i'm not ...

Physics
When would instantaneous speed be the same as average speed? would it be when the speed is constant? when the position changes linearly with time or would it be in the limit when the time interval goes to zero? I thought it would be when the speed is constant, but i'm not ...

statistics
One year, professional sports players salaries averaged 1.6 million with a standard deviation of .7 million. Suppose a sample of 100 major league players was taken. Find the approximate probability that the average salary of the 100 players exceeded 1.1 million.

PreCal
x^2+y^2-4x-12y+31=0

Math Algebra
f(x)=x^3+4 f=1, f=-1 Are the answer to this 5 and 3 I must not understand

math
f(x)=x^3+4 f=1, f=-1 would the answer be 5 and 4? help Thought I knew this

math
Function M described by M(x)= 3x+16 can be used to predict the circumference of the waist of a male in x inches who is obese . Predict the circumference of a male’s waist whose inches are 49 would this be 3(49)+16=163 I hope I did this right

math
You deposit \$2200 in an account that pays 3% annual interest. After 15 years, you withdraw the money, what is the balance if the interest is compounded quarterly? so I figure you would get 2650.00 help please

math
So is the function, f(x)= 2x²- 3x + 4 linear or nonlinear? Find f(-3) and f(3) for this function. I have the answer f(x)= 2(3)²- 3(3) + 4 =29 and f(x)= 2x²- 3x + 4 =49 I hapo this is correct and this is non linear?

math
What are three points that you can plot to graph the function f(x)=2x²- 5? I don't understand this

Math Graphs
If you were going to graph this function what would be the coordinates of the points that you would plot? Is this a linear or nonlinear function? Explain. f(x)= 2x+5 inputs (5) and (8) f(8)= 2(8)+5=16+5=21 f(5)= 2(5)+5=10+5=15 Would the points be (5,15) and (8,21)?

math
If you were going to graph this function what would be the coordinates of the points that you would plot? Is this a linear or nonlinear function? Explain. f(x)= 2x+5 inputs (5) and (8) f(8)= 2(8)+5=16+5=21 f(5)= 2(5)+5=10+5=15 Would the points be (5,15) and (8,21)?

Math
Thank you I think I forgot to sqaure and cube the first time.

Math
Then when I use five it iwould be the same way 25+10^3=46656

Math
y=(x^2+10)^3 using 4 and 5 would the answer be 4 and 7?

math
A fisherman had to be at an appointment at 10:30. He went fishing at 7:00 and was 20 miles from the boat dock. If the fisherman's boat goes 80 miles per hour,what time will he reach the dock if he left at 9:30 from his current position?

math
f(x)= 2x+5 inputs (5) and (8) So would the answer be 15 and 21

Math
An example of a nonlinear function would be f(x) = 2x² + 3. What do you think makes it a nonlinear function? Is this because when itis graphed it would curve instead of make a straight line?

Math
do I have the right answers? f(x) = (5 - x)² Find f(2) and f(-2) I end up with 24 on both equations