charles

This page lists questions and answers that were posted by visitors named charles.

Questions

The following questions were asked by visitors named charles.

what are the advantages and disadnavtages of using a globe to show earth surface
18 years ago
I need an object to represent the beginning of one flew over the cuckoo's nest for a proj. Any ideas?
16 years ago
what should you not do if you want to help get rid of graffiti
16 years ago
what spooky creature that have seven letters in it
16 years ago
1. CheckPoint: Identifying Fallacies • Resource: Ch. 6 End-of-Chapter Exercises and the Answers, Suggestions, and Tips for Triangle Exercises section of Critical Thinking • Complete Exercise 6-6 on pp. 194-196 of Critical Thinking. You are not required to...
15 years ago
2 cos x - 1 =0
15 years ago
if you went 10000 meters in 25 min what is the average speed
15 years ago
an engine block of mass 275kg rest on a plane which is inclined at 13 degrees to the horizontal.if the plane can be tilted to a maximum angle of 21 degrees before the engine block slide due to its weight.calculate the minimum force parallel to the plane r...
15 years ago
a hammer was released from rest vi=0m/s taking 1.12 seconds to fall 1 meter. How do you solve that
15 years ago
in a circle,a 90 dagree sector has an area of 36 pie ft squared.what is the radius of the circle ???
14 years ago
if you have a bill of 1.346 pesos how can you equal each person in 5 family per head? example.family of Joseph-3 family of Ben -2 family of Greg -4?
14 years ago
given an exponential distribution with mean = 30 what is the probability that the arrival time is a) less than X = 0.1 B) greater than X = 0.1 c) between X=0.1 and X =0.2 d) less than X =0.01 or greater than X = 0.2
14 years ago
the time between unplanned shutdowns of a power plant has an exponential distribution with a mean of 20 days. Find the probability that the time between two unplanned shutdow is a) less than 14 days B) more than 21 days c) less than 7 days
14 years ago
4(x+3)=2(x-6) 4x+12=2x-12 2x+12=-12 2x=-24 x=-12 is this textbook example correct?
14 years ago
Is this problem correct Answer: 0.90^5 = 0.6562
14 years ago
How do you make this sign on he computer √
14 years ago
find the total surface area where a cone has a height of 16cm and the diameter of the base is 24
14 years ago
2,500(1.65)^12=
14 years ago
Someone help 2500(1.65)^12=
14 years ago
Write a paragraph explaining how to find the surface area of a cone with height 10 in. and base radius 8 in
14 years ago
-3/4-1/5
14 years ago
first term and larst term of a geometric progression is 42.if the forth term is greater than the second term by 168, find the first term.the forth term.
14 years ago
1. The statement 3x – 4 = 2x + 9 is called .
14 years ago
List three states that don't have ports on the atlantic ocean
13 years ago
Having trouble solving: w^2 +5w -40
13 years ago
Bairleys rectangular dog pen for his irish setter must have an area of 400 square feet. Also the length must be 50 feet longer than the width. Find the dimentions of the pen
13 years ago
You think that the best sampling strategy is stratified sampling. Youd like to list the characteristics of schools in this district, then randomly select 80 schools who roughly match the demographic characteristics of the entire population of schools in t...
13 years ago
if a neutral shere and a sphere with a charge of 14 C are brought together, then separated, what would be the charge on each sphere
13 years ago
Explain the working principle of a sliding door on a horizontal surface on the floor.
13 years ago
5x/9-11=-51
13 years ago
1.As the 1st quantity increases, the 2nd quantity also increases. 2.As the 1st quantity increases, the second quantity decreases.
12 years ago
what is the speed of a runner who can run 400 metre in 76 seconds
12 years ago
What is natural law?
12 years ago
How do I identify the initial value and the growth or decay for these problems? a) Q=25000 x (1/2)^t b) y=350 x 5* c) N=5000 x (9/10)^t
12 years ago
Calculate the mass in grams for a sample of water that absorbs 8200J when its temperature rises from 20.4∘C to 93.8∘C.
12 years ago
slope intercept form of x + 3y + -6
12 years ago
In the simple economics of a competitive market price increases under which condition?
12 years ago
determine the pressure of a 20 lb force is applied to an area of 10 inch squared
12 years ago
{distinct letters in the word food}
11 years ago
f (x) = (50-w) (75-w)?
11 years ago
Calculate the mass of oxygen (in mg) dissolved in a 5.00 L bucket of water exposed to a pressure of 1.13 atm of air. Assume the mole fraction of oxygen in air to be 0.21 and the Henry's law constant for oxygen in water at this temperature to be 1.3 x 10-3...
11 years ago
What is the mass of water obtained when mix 100.0 mL of 2.5 M. HNO3 with 100.0 mL of 2.55 M. KOH?
11 years ago
With brakes fully applied, a 1370 kg car deccelerates from a speed of 98.0 km/hr. What is the work done by the braking force in bringing the car to a stop?
11 years ago
In the combustion of hydrogen gas, hydrogen reacts with oxygen from the air to form water vapor. If you burn 54.8 g of hydrogen and produce 4.90 × 102 g of water, how much oxygen reacted?
11 years ago
Melina walked her dog 2 1/5 miles. Cathy walked her dog 1 3/4 times as far as Melania did. How many more miles did Cathy walk her dog?
10 years ago
Mark wants to paint a mural. He has 1 1/3 gallons of yellow paint, 1 1/4 green paint, and 7/8 gallon of blue paint. mark plans to use 3/4 gallon of each paint color. How many gallons of paint will he have left after painting the mural?
10 years ago
4/5 * 3/4 = =16/20 * 15/20 =240/20 =12 is this right?
10 years ago
5/7 * 9/10 = 50/70 * 63/70 =3150/70 =45
10 years ago
5/7 *9/10 =63/70 =9/10
10 years ago
3/8 + 2 1/2 =3/8 + 5/2 =8/10 =4/5
10 years ago
1 3/5 - 5/6 =8/5 - 6/5 =2/5 or is it =1/3/5 - 5/6 =48/30 - 25/30 =23/30 I don't know which one is right. Pleas e help!
10 years ago
1/3 / 7/9 =1/3 * 9/7 =9/21 is this right??
10 years ago
taryn and alastair both mow lawns. Each charges a flat fee to mow a lawn. The table shows the number of lawns in the past week, the time spent mowing lawns and the money earned. Taryn mowed 9 lawns. She spent 7.5 hrs mowing lawns. Taryn earned $112.50 Ala...
10 years ago
Gina's art teacher mixes 9 pints of yellow paint with 6 pints of blue paint. Did Gina use the same ratio of yellow paint to blue paint instructed by her teacher.
10 years ago
A 75-g piece of aluminum at 89 °C is dropped in 1.0 L of water at 1.3 101 °C, which is in an insulated beaker. Assuming that there is negligible heat loss to the surroundings, determine the equilibrium temperature of the system
10 years ago
Choose the correct sentence pattern for the sentence below. I hereby declare Tuesday Shakespeare Day.
10 years ago
what is the surface area of a cube with sides measuring 2 inches?
10 years ago
consider a vertical piston system. the piston has a 50g mass and a given radius of 3mm. what amount of pressure does the piston exert? ( use g==9.8 m/s^2 )
10 years ago
investigation to determine whether expired air contains carbondioxide
10 years ago
How would your experimental formula of magnesium chloride “MgClx” have been affected if your product was not dried completely before weighing it? Would “x” be too high or two low?
9 years ago
3 students; A, B and C, are in a swimming race. A and B have the same probability of winning and each is twice as likely to win as C. Find the probability that B or C wins the swimming race. 3) Given three boxes as follows: Box A contains 3 red, 2 white a...
9 years ago
Air is pumped into a spherical balloon at the rate of 20cm^3/s^-1.find the rate of change of radius of the balloon when the radius is 6cm
9 years ago
Find the derivative of d^2Y/dx^2 of y=e^2t and x=cost^2 and leave your answer in terms of x and y
9 years ago
a girl throws a ball vertically upward with a speed of 20 ft/sec from the roof of a building 60 ft high.(a)how long will it take the ball to reach the ground? (b)what will its speed be when it strikes the ground?
9 years ago
suppose you are offered two identical jobs: one paying a starting salary of $40,000 with yearly raises of $2,000 and one paying a starting salary of $36,000 with yearly raises of $25,000. Which job will pay more over a 10 year period? I=PRT = 40,000 x 0.0...
9 years ago
The vertical and horizontal component of the initial velocity of a projectile are 36m/s and 64m/s. Find the initial velocity and angle inclination
9 years ago
a sphere of radius r moving with velocity v through a fluid experiences a retarding force f given by F=6r^yv^zn^x where n is the viscosity of the liquid. use the method of dimensions to find the values of x,y,and z.
9 years ago
the surface tension Y, of liquid depends on the density,P, acceleration of gravity,g, and the height, h. use the method of dimension to derive the actual relationship between these quantities
9 years ago
A 0.109g sample of a pure gaseous compound occupies 112ml at 100degrees and 750torr: what is the molecular weight of the compound. ANS=(30.2g,mol). Please I need the solution
9 years ago
I need help making this question into a equation? A cable television company charges $15 plus $5 each for extra services and now write an equation to show how much a person would pay for television if they had x number of extra services?
9 years ago
In isosceles right triangle ABC, point D is on hypotenuse BC such that AD is an altitude of triangle ABC and DC = 5. What is the area of triangle ABC?
9 years ago
A jar contains 6 red, 7 white, and 7 blue marbles. If a marble chosen at random. Find the following probabilities? A)P(red) B)P(white) C)P(red or blue) D)P(red and white)
9 years ago
two strips of fabric measure 14 2/3 inches and 20 7/8 inches in length. to form one length, the strips are sew together using 3/8 inch from each strip to make the seam. what is the final length of the fabric after the two strips are sewn together.
8 years ago
Determine the Cartesian form of the equation r^2 cos theta -cos3theta
8 years ago
a gas occupies a volume of 50.0mL at degrees Celsius and 630mmHg.at what temperature in degrees Celsius would the pressure be 101.3kPa if the volume remains constant?
8 years ago
The mean of Alice's last 5 math test scores is 88. The first 4 of these 5 math test scores were 87, 75, 93, and 85. What score did Alice earn on her fifth math test?
8 years ago
The length by the width of Roxie's photo is 24 cm long and 14 cm wide. In order to make a photo that will fit into a wallet, the photo needs to be reduced to a length of 7 cm. Determine the width of the wallet size photo.
8 years ago
A man walks due west for 4km. He then changes direction and walks on a bearing of 179 until he is south-west of his starting point.How far is he then from his starting point?
8 years ago
A girl starts from point A and walks 285m to B on a bearing of 078.She then walks due south to a point C which is 307m from A. What is the bearing of A from C,and what is {BC}? please i need the answer urgent ooo it is an assignment pls help me fast
8 years ago
If a man weighs 600 N on the Earth, what would he weigh on Jupiter, where the free-fall acceleration is 25.9 m/s2?
6 years ago
Investment: collectable toys Current yield 5% per month Rick: Extreamly high Your inital value is 1000 dollars what is the doubling time, time to reach 1800, and value after 10 years?
6 years ago
7th percent intrest semianually give values for the follow amount of time -0.5 1 1.5 2 2.5 3
6 years ago
protein = 4 calories per gram carbohydrate = 4 calories per gram fat = 9 calories per gram A serving of chicken has 27 grams of protein and 3 grams of fat. How many calories are in a serving of chicken?
6 years ago
Nutritional Information: protein = 4 grams, carbohydrate = 4 grams, fat = 9 grams. If a banana has 27 grams of carbohydrates and a total of 121 calories. How many of its calories come from sources other than carbohydrates?
6 years ago
The given box plots show the number of text messages Paul and Sally received each day on their cell phones. Select the true statement. A. The interquartile range of Paul's data is less than the interquartile range of Sally's data. B. The median of Paul's...
6 years ago
solve 7x = 42 show your work help plz
6 years ago
the first, second and fifth term of a linear sequence is/are three consecutive termsof an exponential sequence, if the first term of linear sequence is 7.find its common difference.
5 years ago
solve :log (12x-10)=1+log2(4x+3)
5 years ago
write down the first four terms of the binomial expansion of (1-y)^8 in ascending power of y.By putting y=1/2x(1-x) in your expansion, find the value of p and q if [1-1/2x(1-x)]^8=1-4x+px^2+qx^3
5 years ago

Answers

The following answers were posted by visitors named charles.

A hydraulic lift office chair has it's seat attached to a piston with an area of 11.2cm squared. The chair is raised by exerting force on another piston, with an area of 4.12 cm squared. If a person sitting on the chair exerts a downward force of 219 N, w...
17 years ago
you almost in there already, think about the cos(theta) = 0, it means the theta=90 degree, so, you got it
16 years ago
i have a question in here, what is the friction coefficient between the books and the table if those books sit on the table.
16 years ago
help me with the big energy thing with mg
16 years ago
ctu
16 years ago
error
16 years ago
how do yu graph linear equations
16 years ago
44/14
15 years ago
what is the fraction and decimal of 42 6/7
15 years ago
social settings of the differents forms of social structure described by durkhiem, tonnies and lenski which comes closest to matching your social setting
15 years ago
Describe a time when your moral values influenced the way you responded to an issue. · What differences did you notice between your logical reasoning process and your moral reasoning process? What were the possible consequences or outcomes
15 years ago
qual é a resposta?
15 years ago
t2=50 degrees celisius
14 years ago
• Identify elements of group effectiveness that you may be able to influence.
14 years ago
please answer the questions I posted my homework is due by thursday 1/13/11
14 years ago
what numbers would you use estimate the sum of 47 and 21
14 years ago
$4,000 at 8% compunded annually for 50 years
14 years ago
2/4
13 years ago
how does the addition of a nonvolatile solute affect the vapor pressure of the solvent into which it is dissolved?
13 years ago
The atmospheric pressure P in pounds per square inch (psi) is given by P = 14.7 e−0.21 a where a is the altitude above sea level (in miles). If a city has an atmospheric pressure of 11.39 psi, what is its altitude? (Recall that 1 mi = 5,280 ft. Round your...
12 years ago
An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula: N = 6,500 + 200 ln a (a ¡Ý 1) How many units are sold after spending $1,000? (Round...
12 years ago
how many{distinct letters in the word food}
11 years ago
In the combustion of hydrogen gas, hydrogen reacts with oxygen from the air to form water vapor. If you burn 54.8 g of hydrogen and produce 4.90 × 10^2 g of water, how much oxygen reacted?
11 years ago
Hi Teshea. Thanks for your help. But one question though......you said "now multiply the whole no# by the denominator 2x24=48, then divide 48/35, it gives you a decimal 1.371428571n the answer is 1.371.But I thought that when you multiply the whole number...
10 years ago
Thanks, I always get confuse.
10 years ago
so..... 3/8 + 5/2 =3/8 + 20/8 =23/8 =2 7/8 is this right?
10 years ago
so....... 5/7 * 9/10 =45/70 =9/14 is this right???
10 years ago
so...... 5/7 * 9/10 =45/70 =9/14 Did I get it right?
10 years ago
yeah!!!!! I love you!!!! So happy. :-)
10 years ago
thanks! practice will make perfect. thanks for helping me.
10 years ago
or is this right? 1/3 * 9/7 =7/21 * 27/21 =189/21 =9
10 years ago
20-8+1=13
10 years ago
if you want to say he left the stage then your answer should be "He disappeared from stage"..... else both are correct with different meanings..
9 years ago
to watch
9 years ago
I don't know or get it can show me how yougot the answer?
9 years ago
the arithmetic mean between term in an arithmetic sequence is 39 f one of these term is 32 find the other term
9 years ago
ijhljh
9 years ago
416 cm hole say hole depth is x initially hes at 182+x/4 when hes done the distance between his head and ground level will be 3(182-x/4)assuming hes standing up so the depth of the hole is 182+3(182-x/4) 182+3(182-x/4)=x 182+546-(3x/4)=x 728-(3x/4)=x 2912...
9 years ago
36.9 m/s
8 years ago
Bartlett tenn
7 years ago
A: inputs: CF0 = -25000; CF1 = 13000; Nj = 3; CF2 = 18000; I = 12 Output: NPVA = 17663.13 B: Inputs: CF0 = -42663.13 (-25,000 + -17,663.13); CF1 = 15247; Nj = 4 Output: IRR = 16.0% = K.
7 years ago
adasd
6 years ago
This is compounded countinuously
6 years ago
I know right
6 years ago
list 5 ways modernization in influence traditional science and technology
6 years ago
thx girly pop
6 years ago
I dont understand
5 years ago
please solve for me
5 years ago
duh shes real
5 years ago
x =80
4 years ago
9.5m
4 years ago
i got 8 wrong but 10 is scalene acute
4 years ago
enlargment; clockwise 90 rotation.
4 years ago
Annaaa is 100% correct i got 5\5
4 years ago
Which of the following is one characteristic of all living things? 1.moving from place to place 2.sending cells to deliver messages in the body 3.using nerve cells to maintain temperature 4.maintaining homeostasis which one?
4 years ago
it's still ACDC
3 years ago
venus is still right in april!
3 years ago
What is the density of an object with a mass of 60 g and a volume of2 cm'?
3 years ago