How to sketch graph of
9,906 results, page 85

mathalgebra HELP!!!!
a scientist theorized that you can estimate the temperature by counting how often crickets chirp. the scientist gathers the data in the table shown. A)how many cricket chirps would you expect to indicate a temperature of 85 degrees? include a graph and an equation as part of ... 
Math
WKOD13% WCLM24% WANR22% WWCN41% this is a circle graph of 400 people were asked to identify th TV channel they watch the evening News. 1.how many people preferred WCLM? 2.how many more people preferred WWCN then WANR 3.ratio express the # people who preferred WANR to WCLM ... 
science
the moon's gravity is about onesixth the gravity on earth. mar's gravity is about one half the gravity on earth. make a bar graph that shows your weight (95 lbs) in newtons on earth, moon, and on mars. A newton is equal to about one quarter of a pound. 
Physics
The graph shows the temperature versus time relationship for 2kg of particular substance. The substance is in the solid state at a temperature of 20 degrees Celsius b) If 200 joules of heat is added during the time interval B(20 degrees Celsius) to C(80 degrees Celsius), what ... 
math;)
Which table best represents the graph of the equation theta=45 degrees? a. theta 45 degrees, 45 degrees, 45 degrees, 45 degrees r 1 , 2 , 3 , 4 b. theta 45 degrees, 90 degrees, 135 degrees, 180 degrees r 1 , 2 , 3 , 4 c. theta 45 degrees, 45 degrees, 45 degrees, 45 ... 
Inequality
please check my answers. thanxs! Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation. x^2  6x + 5 > 0 I got (ininity,1) u (5, infinity) x^2  3x  18 < 0 I got (infinity,3) u (6, infinity) x^2... 
Math
data regarding the value of a particular color copier is represented in the graph find the rate of chance of the value with respect in time in dollars per year. the rate of change of the value with respect to time is dollars per year 
Statistics
Can someone please help with this problem to advise how to set up and in the book Essential of Statistics for the Behavioral Sciences. A researcher is investigating the effectiveness of a new studyskills training program for elementary school children. A sample of n=25 third... 
math
a small plane flying into the wind takes 3 hrs 20 min to complete a flight of 960 km. Flying with the wind the same plane takes 2 h 30 min to make the trip.what is the speed of the plane? what is the speed of the wind? can u plz finish the whole question?? with the speed,time... 
SCIENCE
I have a supermarket science project that is due in a couple of days. I have to compare quality and quantity of at least two similar products. I have to use these procedures for a formal lab report. TITLE~ PROBLEM STATEMENT~ HYPOTHESIS~ MATERIALS~ MV~ RV~ PROCEDURE~(must be ... 
Algebra
Find the vertex, the line of symmetry, the maximum or minimum of the quadratic function, and graph the function. f(x)=x^24x3 What is the vertex? (Type an ordered pair) What is the equation of the line of symmetry? x= What is the maximum/minimum of f(x)? Is the value, f(2)= ... 
algebra
A national home improvement store's revenue y (in millions of dollars) during the years from 1996 to 2007 is given by the equation y=15x+55 where x is the number of years after 1996. a)Use the equation above or a graph of the equation to complete the ordered pair (6, ) b) ... 
Calculus
(a) By graphing the function f(x) = (cos 2x − cos x)/x2 and zooming in toward the point where the graph crosses the yaxis, estimate the value of lim x → 0 f(x). (b) Check your answer in part (a) by evaluating f(x) for values of x that approach 0. (Round your ... 
Calculus
(a) By graphing the function f(x) = (cos 2x − cos x)/x2 and zooming in toward the point where the graph crosses the yaxis, estimate the value of lim x → 0 f(x). (b) Check your answer in part (a) by evaluating f(x) for values of x that approach 0. (Round your ... 
Intermediate Algebra
Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater than 1, three values... 
SCIENCE PHYSICS
A Skydiver(falling vertically)starts from rest at time t=0.His acceleration is nonuniform until be reaches a steady speed of 50m/s at t=10s.He open his parachute at t=20s and decelerates until t=25s.From t=25s he falls at a steady speed of 5m/s.Draw the speedtime graph for ... 
environmental science
Please check this: Scientists use statistics to a. graph data b. analyze data c. communicate ideas to each other d. all of the above B ( in my book it says: scientists rely on and use statistics to summarize, characterize, analyze, and compare data. statistics is usually a ... 
US History
I don't understand this. I have a graph in my American history and it is labeled on the side "1995 Dollars in Billions" In 1965, it has $264 and in between 1965 and 1970, it is at $352 and then in 1970, it goes back down to about $264 again. Then the question is: What event ... 
Math Algebra 1
suppose you ca work a total of no more than 20 hours per week at your 2 jobs. babysitting $5 per hour, and your cashier job pays $6 per hour. you need to earn at least $90 per week to cover your expences. question : write a system of inequalities that showas the various ... 
math
A company that manufactures a specialty line of high performance racing boats has determined that its profit margin can be represented by the equation, PM(x)=x^3+7x^210x, where x is in thousands of dollars. a) graph without technology. b) determine the production numbers ... 
Algebra
What are the intercepts of the equation? Graph the equation. 3x + 4y = 12 A. xintercept: (4, 0) yintercept: (0, –3) B. xintercept: (–3, 0) yintercept: (0, 4) C. xintercept: (4, 0) yintercept: (0, –3) D. xintercept: (–3, 0) yintercept: (0, 4) I think its c 
Algebra
suppose you are at the gas station filing your tank with gas. the function C(g) represents the cost C of filling up the gas tank with g gallons give the equation: C(g)=3.03(g) A)what does the number 3.03 represent? B)find C(2) C)find C (9) D) for the average motorist, name one... 
psy315
a psychologist at a mental hospital was asked to determine whether there was any clear difference in the length of stay of patients with different categories of diagnosis. looking at the last 4 patients in each of the 3 major categories , the results in terms of weeks and stay... 
physics
Vector A has the magnitude of 12 m and is angled 60 degrees counterclockwise from the positive direction of the x axis of an xy plane. Also vector b = 12i + 8j on that same corrdinate system. We now rotate the system counterclockwise about the orgin by 20 degrees to form a new... 
Intermediate algebra
Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater ththan 1, three ... 
elect and magn
a postive charge of q is located at x=0 and y=a, and a negative charge q is located at the point x=0 and y=+a. A.) derive an expression for the potential V at points on the yaxis as a function of the coordinate y. take V to be zero at an infinite distance from the charges. ... 
Algebra
Suppose you buy flour and cornmeal in bulk to make flour tortillas and corn tortillas flour costs 1.50lb cornmeal costs 2.50lb you want to spend less than 9.50 on flour and cornmeal and you need at least 4lb altogether a) write a system of inequalities that describes this ... 
Math
I have done two parts but no idea how to the third one. The height, h, in meters, of a firecracker fired into the air can be modeled using the function h(t)=5(x4)^2+85, where t is the time, in seconds, after the firecracker is fired. c) Use the graph to estimate i) how long ... 
algebra I
for my homework I have to graph 4 equations: 1. y=1/4x^2+3x3 2. y=x^2+7x2 3. y<x^2+7x+6 4. y<*1/3x^2+4x+5/2 [<* means greater than OR equal to. I just don't know how to put the line under it] we are allowed to do them on a calculator. but since I don't have the ... 
tan x = 1/2
Can someone tell me what the radian value is for this number and how they got it? Thanks On a graph plot the point A(2,1) Let C(2,0) be the point on the xaxis x is the angle AOB and tan x = 1/2 Since angle x is not one of the special angles, you will have to use a calculator ... 
differetial calculusrelated rates
LINEAR VS ANGULAR SPEED A wheel of a radius 30 centimeters revolves at a rate of 10 revolutions per second.A dot is painted at a point P on the rim of the wheel. a)find dx/dt as a function of ϴ. b)use a graphing utility to graph a function in part (a) c)when is the ... 
Math
1. There are 14 blue marbles, 8 red marbles, and 12 green marbles in a jar. What is the ratio of the total number of marbles to the number of red marbles? (1 point) 24:8 34:8 8:34 8:24 2. Which of the following ratios is equivalent to fifteen over twenty ? (1 point) 200 to 150... 
Math
1. There are 14 blue marbles, 8 red marbles, and 12 green marbles in a jar. What is the ratio of the total number of marbles to the number of red marbles? (1 point) 24:8 34:8 8:34 8:24 2. Which of the following ratios is equivalent to fifteen over twenty ? (1 point) 200 to 150... 
social studies
Which of the following is a likely cause of the shape of the population graph of Mexico? (1) Mexico has adopted China's "one familyone child" program. (2) About 60 percent of Mexico's industrial workers live in or near Mexico City. (3) Much of the land in northern Mexico is ... 
Com/220
Hello I am stuck on trying to figure out my assignment on Incorporating Statistics, Graphs, and Illustrations. My topic I chose was on Education and I am not having any luck finding any pictures, graph's or anything on this topic that I can use. Is there anyway you can give me... 
algebra
I need help in identifying a graph. I tried textbook and plugging no. with no luck All numbers on right side of (y) line. Bottom of parabola is on x=4 and y=4, going up f(x) dot is on x=3, y=3 (left line going up); right line going up is x=5, y= 3; going up again dots on x ... 
Repost Calculus; someone please help
Please help out. Thank you. A right triangle has one leg on the xaxis. The vertex at the right end of that leg is at the point (3,0). The other vertex touches the graph os y=e^x. the entire triangle is to lie in the first quadrant. Find the maximum area of this triangle.... 
other Quadratic equations
The problem is 7x^3x+1=x^3+3x^2+x. Find all real answers. I came upwith two answers 3x^2=1 and 2x=1/2. The first answer just does not look right. I must be forgeting something! You can check them by putting in x=1/4 (the second answer), and then x=+ sqrt(1/3) These are three... 
calculus
I have posted this question earlier and had the answer given to me this way. But my teacher needs to know what type of factorization I used and I have tried to figure it out but have NO clue!! This is the question. Solve the following inequality. write your answer in interval ... 
physics
I did a lab experiment where we verify Newtons second law experimentally. A glider moves along a frictionless air track and is attached to a hanging mass. We vary the hanging masses and calculate the force since we have the mass and acceleration. We have some questions to ... 
Physical Science
DISTANCETIME for RUNNERS Time(s) 1 2 3 4 Sally's Distance(m) 2 4 6 8 Alonzo's Distance(m) 1 2 2 4 Make a distancetime graph that shows the motion of both runners. What is the average speed of each runner? Which runner stops briefly? Over what time interval do they both have ... 
help please!
f(x)=x+1/x Find all critical numbers. Find where the function is increasing and decreasing. Find critical points and identify each as a relative maximum, relative minimum, or neither. Find second order critical numbers and tell where the graph is concave up and where it is ... 
Calculus
Find the values of x that give relative extrema for the function f(x)=3x^55x^3 A. Relative maximum: x= 1; Relative minimum: x=sqrt(5/3) B. Relative maximum: x=1; Relative minimum: x=1 C. Relative maxima: x=+or 1; Relative minimum: x=0 D. Relative maximum: x=0; Relative ... 
math
Find the equation of the tangent line to the graph of f(x) = 2x − 6/x + 1 at the point at which x = 0. (Let x be the independent variable and y be the dependent variable.) I got this question wrong. I thought the answer would be y=4x6 I followed the following steps: 1... 
Physics
Consider three force vectors ~ F1, ~ F2, and ~ F3 with magnitude 43 N and direction 53; mag nitude 94 N and direction 162; and magni tude 59 N and direction 288, respectively. All direction angles are measured from the posi tive x axis: counterclockwise for > 0 and... 
Precalculus
Calculate the solution set. x^2+y^2+8x=15 9x^2+25y^2=225 My work: I did elimination...multiplied 25 to the top equation and got..... 16x^2200x600...I then used quadratic formula ... And got 7.5 and 5..... Is 7.5 an EXTRANEOUS SOLUTION because when I plugged 7.5 in for... 
6th grade comedy
"Abbott: Oh, I'll tell you their names, but you know it seems to me they give these ball players nowadays very peculiar names. Costello: You mean funny names? Abbott: Strange names, pet names...like Dizzy Dean... Costello: His brother Daffy. Abbott: Daffy Dean... Costello: ... 
Advanced Math
1. The distance s(t) between an object and its starting point is given by the anti derivitive of the velocity function v(t). find the distance between the object and its starting point after 15 sec if v(t)=0.2t^2+2t+10 meters/seconds. MY ANSWER: 600 meters. 2.Find the slope of... 
Math
I am tring to finish my 10th grade. I got hurt last Jan. 2007. And was force to quit public school. In short of every. I started online schooling and I have to write an essay for a final grade in Math compare three college to each other and make a graph telling which school ... 
algebra
Match the inequality to its graph. A. less than or equal to 1 B. less than 3 C. less than 1 D. less than or equal to 3 7. 4y + 3 *less than or equal to* y+6 8. 2y > 2 9. y over 3 < 1 10. 3y *less than or equal to* 2y + 
Math(Please help!)
Describe the vertical asymptote and hole for the graph of (x^2+x6)/(x^29). a. asymptote: x=2; hole: x=3 b. asymptote: x=3; hole: x=2 c. asymptote: x=3; hole: x=3 d. asymptote: x=3; hole: x=3 I know that it has to either be b or d because the asymptote is x=3. Can someone ... 
Math
For homework we're supposed to give all the properties of different functions. I was able to do all of it except for this one greatest integer function  f(x) = 1/2 [x1] These functions always mess me up! Could someone tell me the following properties of this function. ... 
Math 8th Grade
1. which equation is equivalent to y  6 = 12(x+4)? 2. which point is located on the line represented by the equation y + 4 = 5(x  3)? 3. which equation represents the line that passes through the points (6 3) and (4 9)? 4.The population of a city increases by 4000 ... 
Math \ algebra
The table shows the amount of money made by a summer blockbuster in each of the first four weeks of its theater release. Which graph could represent the data shown in the table? A table showing the week and the money made; week 1, $19,600,000, week 2, $7,800,000, week 3, $3,... 
Rational Inequities
Can you please check my answers? Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation. x2/x+1 <0 my answer: (infinity,1) u (2, infinity) x+8/x3 > or equal to 0 my answer: (3,8] 2/x2<1 my ... 
Msth
olve each inequality. 1. m – 7 < 6 (1 point) m < –1 m > 1 m < 13 m < –13 2. y + 5 ≥ 7 (1 point) y ≤ 2 y ≤ 12 y ≥ 2 y ≥ 12 3. p + 12 > 9 (1 point) p > 21 p > 3 p > –21 p > –3 4. Translate the following ... 
MCC
3. (Consumption and Saving) Supposed that consumption equals $500 billion when disposable income is $0 and that each increase of $100 billion in disposable income causes consumption to increase by $70 billion. Draw the graph of the consumption function using this information. ... 
Math
A survey about the student government program at a school finds the following results. 190 students like the program 135 students think the program is unnecessary 220 students plan on running for student government next year. If a circle graph were made from this data, what ... 
Math
A survey about the Student Government program at a school finds the following results: 190 students like the program 135 students think the program is unnecessary 220 students plan on running for student government next year. If a circle graph were made from this data, what ... 
math
Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater than 1, three values... 
math
a particle M oscillators (that is, moves back and forth) in a straight line along the horizontal axis. the position of M is given by: s(t) = 4 + 2 sin(2t) (1) Find the velocity (v) and acceleration (a) functions. (2) Find the initial position, initial velocity and initial ... 
Physics Lab
I'm doing a lab on centripetal force but I'm not sure how to make the graphs. If you search for "centripetal force lab" on Google and click "I'm Feeling Lucky" it will take you to the exact lab I'm doing. I'm supposed to graph Fc vs. Vt, Fc vs. Vt^2, and Fc vs. e^Vt, but I don... 
Math check
IQ scores in a certain population are normally distributed with a mean of 96 and a standard deviation of 12. (Give your answers correct to four decimal places.) (a) Find the probability that a randomly selected person will have an IQ score between 83 and 99. 8396/12=75 the ... 
Algebra II
Please check answers: Use the equation of the exponential function whose graph passes through the points (0,2) and (2,50) to find the value of y when x= 2. My answer: 2/25 Solve 64^x<32^x+2 Answer: x<10 Write the equation log(243)81=4/5 Answer: 243^4/5 = 81 Evaluate ... 
algebra 2
The capacity of the gas tank in a car is 16.5 gallons. The car uses 10.5 gallons to travel 178.5 miles. After driving 85 more miles, only 1 gallon of gasoline remains in the tank. Which linear equation and graph model the amount of gas g left in the tank after driving m miles? 
Calculus AB
Could someone please help me with these tangent line problems? 1) Find the equation of the line tangent to the given curve at the indicated point: 3y^3 + 2x^2 = 5 at a point in the first quadrant where y=1. 2) Show that there is no point on the graph of x^2  3xy + y^2 = 1 ... 
geometry
A wire 10 meters ong is to be cut into two pieces. One piece wil be shaped as a square, and the other piece will be shaped as a circle. (piece one is 4x, piece two is 104x) a)Express the total area A enclosed by the pieces of wire as a function of the length x of the side of ... 
physics (graphs)
Hi, i'm doing a graph for density of an element as a function of atomic number. i'm trying to calculate the slope and it's asking me to include units. if density as a unit: g/cm^3, how would i write the units of the slope? which is basically density over atomic number. would ... 
math
Graph y = ½ x^2 – x +3 for 0≤x≤6 (b) Calculate the mid ordinates for 5 strips between x = 1 and x 6, and hence use the midordinate rule to approximate the area under the curve between x = 1, x = 6 and the x axis. (c) assuming that the area determined by ... 
math
Graph y = ½ x^2 – x +3 for 0≤x≤6 (b) Calculate the mid ordinates for 5 strips between x = 1 and x 6, and hence use the midordinate rule to approximate the area under the curve between x = 1, x = 6 and the x axis. (c) assuming that the area determined by ... 
Math
Graph y = ½ x^2 – x +3 for 0≤x≤6 Calculate the mid ordinates for 5 strips between x = 1 and x 6, and hence use the midordinate rule to approximate the area under the curve between x = 1, x = 6 and the x axis. assuming that the area determined by integration ... 
Physics
3. An astronaut lands on an alien planet. He places a pendulum (L = 0.200 m) on the surface and sets it in simple harmonic motion, as shown in this graph. Answer the following questions: a. What is the period and frequency of the pendulum’s motion? b. How many seconds out of... 
math
Still looking at how to solve these... Both are cubic polynomials? 43x^3 + 13x^2 + 18x  456 = 0 DO I divide first by x1? 2x(3x+2)^2=312 Honestly: I would graph the equations and find the roots first. I don't see them off hand. graph y=43x^3 + 13x^2 + 18x  456 and y=2x(3x+2... 
math
how to graph y=3/4x. what angle does y=9/7x+2 make with the x axis? simplify 2/squarerootof5. simplify square root of 10 times 6. simplify squareroot48 You should not expect somebody just to do your homework for you. for y=(3/4)x isn't the yintercept zero? so the origin is ... 
algebra 2!
A swimmer is racing to the other side of the pool. The pool is 75 feet long. The swimmer travels 2.5 feet per second. Create a table, equation, and graph to represent the swimmer's distance to the other side of the pool with relation to time. When will the swimmer reach the ... 
Science
Plz help me plot on graph and also the solution. Q. When velocity is 20 m/s time is 0 and velocity 20 m/s time is 5 sec, velocity 10 m/sec time 7 sec, velocity 20 m/sec time 10 sec and velocity 0 time 15 sec. Calculate total distance showing each step and avg velocity. Thank you. 
algebra 2
Consider the exam data below. Algebra score: 20 35 13 29 40 23 Calculus score: 41 69 34 72 86 58 Use your calculator to find the regression line for this data, and graph it on your scatterplot. b. Interpret the slope and intercepts of this line in the context of the problem. c... 
Algebra 2
Jack is selling wristbands and headbands to earn money for camp. He earns $2 for each wristband and $3 for each headband. He wants to earn at least $50. He needs to sell at least 5 wristbands. Which system of inequalities is shown in the graph of the solution below? • 2x + ... 
physics
A water molecule consists of an oxygen atom with two hydrogen atoms bound to it. The bonds are .100nm in length and the angle between the two bonds is 106 degrees. Use the xy axis shown and determine the location of the center of gracity of molecule. Consider the mass of an ... 
MATH/ALGEBRA PLEASE
I am having a real issue with this one problem the problem is : y=1/3x3 I am supposed to graph the problem and then find the y intercept. First I substituted x with 12. Y=1/3(12)3 s divided by 12 is 4, now I subtract 3from 4 and get 1 therefore, my first set reads(12,1) I do... 
Calc
lim as x > infinity of (x^216)/(x4) is 8 By graphing, find an interval for near zero such that the difference between your conjectured limit and the value of the function is less than 0.01. In other words, find a window of height 0.02 such that the graph exits the sides... 
Algebra
Please Help!!!! thanks :) 1. Suppose U= {1,2,3,4,5,6,7,8,9,10} is the universal set, and P= {2,4,6,8,10}. What is P'? a: {1,2,3,4,5,6,7,8,9,10} b: {3,5,7,9} c: {1,3,5,7,9}*** d: {2,4,8} 2. If D is the set of natural numbers that are whole numbers less than 3, choose the ... 
Math Analysis
4. Find f(x) + g(x) when f(x) = x^(1/2) and g(x) = 6x^(1/2). ===> I got the square root of 7x. Is this right? 16. Find f(x)/g(x) when f(x) = (2x)^(1/2) and g(x) = 2*(sqrt2)*x^(1/3). ===> I got (sqrt2x) / (3*cubertx), but I definitely don't think this is right....if it ... 
algebra, logarithms
Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater than 1, three values... 
Algebra 1
suppose you can work a total of no more than 20 hours per week at your two jobs. Babysitting pays $5 per hour, and your cashier job pays $6 per hour. youneed to earn at least $90per week to cover your expenses. Write a system of inequalities that show s the various numbers of ... 
mat 116
two large storage tanks, T and W contain water. T starts losing at the same time additional water starts flowing into W. The graph below shows the amount of water in each tank over a period of hours. Assume the rates of water loss ad water gain continues as shown. At what ... 
Calculus
Someone already asked this question but did not understand the answer given at all. Writing to Learn: In a certain video game a cursor bounces back and forth horizontally across the screen at a constant rate. Its distance d from the center of the screen varies with time t and ... 
math
what would you consider to be the most appropriate form for displaying the data. For each set, develop and appropriately label a graph. Then write a short paragraph justifying your selection. Stress Units of Various Life Experiences Experience Stress Units Death of spouse 100 ... 
math
Select what you consider to be the most appropriate form for displaying the data. For each set, develop and appropriately label a graph. Then write a short paragraph jusifying your selection. STRESS UNITS of VARIOUS LIFE EXPERIENCES EXPERIENCE: STRESS UNITS: Death of spouse ... 
Physics
We have an infinite, nonconducting sheet of negligible thickness carrying a uniform surface charge density +σ=7.00e6 C/m2 and, next to it, an infinite parallel slab of thickness D=17 cm with uniform volume charge density ρ=−4.94e5 C/m3 (see sketch). Note ... 
Math
Greg rode his bicycle at a constant speed of 20 miles per hour. Plot points on the graph to represents the distances Greg rode after 1, 2, 3, and 4 hours (1 hour= 20 miles, 2 hours= 40 miles, 3 hours= 60 miles, 4 hours= 80 hours) Then write an equation to represent the ... 
physics
A cyclist is cycling at a uniform velocity of 8m/s for 8 seconds. He then stops paddling and the cycle comes to rest in next ten seconds. Draw the velocitytime graph and calculate: (i) the average retardation.(ii) the distance covered with uniform velocity.(iii) the distance ... 
algebra
please show work Find the average rate of change for the given function on the given interval. 3. f(x)=x24x; 2 ≤x≤ 4 4. f(x)=2x1; [0, 3] Find a PointSlope equation for a line containing the given point and having the given slope. 9. (7, 2), m = 3 10. (6, 2), m = 3 ... 
algebra
on a graph starting at 0 and sloping up to 480 on total # of words typed and 16 time in mins. Hannahs typing ability Kerry can type the same # of words in half the time. a)what rate does Hannah type? b)what rate does Kerry type? c)How many words can Kerry type in 8 mins? 
Algebra
Create a system of equations that includes one linear equation and one quadratic equation. Part 1. Show all work to solving your system of equations algebraically. Part 2. Graph your system of equations, and show the solution graphically to verify your solution. 
chem
A graph of experimental data is a straight line when ln[H2] is plotted versus time. Which rate law fits the data? A. Rate = k(ln[H2]) B. Rate = k/[H2] C. Rate = k[H2] D. Rate = k[H2]2 I think A as it fits the constant for a straight line. what do you think? 
physics
An 0.90 kg object is attached to one end of a spring, and the system is set into simple harmonic motion. The displacement x of the object as a function of time is shown in the drawing. With the aid of these data, determine the following values. I got a,b,d,e right. for C, I ... 
earth
3. Show how the length of day changes with latitude by plotting the following points. Use the table below as a graph and place an X in the box where you want to plot a data point. For example, if you find that a day is 10 hours long at 30° N latitude, represent this data with... 
I need help with these please ALGEBRA
1. Consider the leading term of the polynomial function. What is the end behavior of the graph? Describe the end behavior and provide the leading term. 3x5 + 9x4 + 5x3 + 3 2. Evaluate : sqrt7x(sqrtx7sqrt7) show your work. 3. Solve the equation. Check for extraneous solutions... 
Physics
A launcher fires a projectile with a velocity of 6.31m/s. Determine the horizontal distance of the projectile (in the air) at 5 degrees. Recalculate this distance at 10, 15, 20.... (5 degree increments) up to 90 degrees (at which point the horizontal distance will be zero). ...