Friday
August 1, 2014

Posts by MONA


Total # Posts: 112

science
Update ==> theta (t) = (1.20rad/s)t + (8.70rad/s^2)t^2

science
A uniform disk with radius 0.320m and mass 28.0kg rotates in a horizontal plane on a frictionless vertical axle that passes through the center of the disk. The angle through which the disk has turned varies with time according to è(t)= (1.20rad/s)t + (8.70rad/s^2)t^2 my...

physics
A body is projected vertically upwards with a speed of 40 m/s.Find the distance travelled by body in last second of upward journey?(g=9.8m/s2 neglect effect of air resistance)

Chemistry 104
The voltage generated by the zinc concentration cell described by, Zn(s)|Zn2 (aq, 0.100 M)||Zn2 (aq, ? M)|Zn(s) is 11.0 mV at 25 °C. Calculate the concentration of the Zn2 (aq) ion at the cathode.

Chemistry 104
I am doing something wrong I keep getting the wrong answer

Chemistry 104
A current of 3.40 A is passed through a Ni(NO3)2 solution for 1.80 hours. How much nickel is plated out of the solution?

Algebra
x -1 -1 -2 -2 y 0 -1 2 3Part A: Does the table represent a relation that is a function? Justify your answer by using the values shown in the table. (4 points) Part B: The function f(h) shown below represents the number of tennis matches Diana won each month when she practiced ...

statistics
A neuropsychologist is interested only in studying the most deviant portion of this population, that is, those individuals who fall within the top 10% and the bottom 10% of the distribution. She must determine the ages that mark these boundaries. What are these ages?

chemistry
Draw the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.Please help!!!!!

chemistry
Draw the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.Please help!!!!!

chemistry
Draw the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.Plaese help!!!!!

chemistry
Draw the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.

chemistry
If the thyroid test requires 3.2mCi in an "atomic cocktail," how many milliliters are used to prepare the iodine-131 solution?

chemistry
How would you prepare 2.25L of a 3.00M solution from a 15.0M stock solution?

chemistry
Each of the following is placed in a dialyzing bag and the bag is then immersed in distilled water. Which substances will be found outside the bag? Check all that apply. NaCl solution albumin solution starch solution

chemistry
Consider a mixture of , albumin solution, and starch solutions in a dialyzing bag. The dialyzing bag is then immersed in distilled water. Which of the following actions should be taken to remove the most salt from the mixture? Leave the dialyzing bag in the distilled water for...

chemistry
How did you get 52/3??

Geometry-8th gr
Thanks!

Geometry-8th gr
The Circumference of a circle is equal to the area of the circle. Find the radius. Thanks.

Geometry-8th gr
Thanks.

Geometry-8th gr
Find KN and LM. In triangle LKM, angle L is bisected. Line segment LK is 11, line segment KN is x-4, line segment NM is 5.4, and line segment LM is 2x + 1.3 (there is a drawing of this triangle) Thanks.

Geometry-8th gr
Thanks.

Geometry-8th gr
The perimeter of triangle ABC is 120. LIne segment BD bisects <B. Line segment AD= 15, and line segment DC= 21. FInd AB and BC. Thanks.

Geometry -8th gr
Okay, I get it now:)...thanks.

Geometry -8th gr
Given: triangle ABC ~ triangle PQR, m<A = 75 degrees, m<P = (5x + 7y) degrees, m<R = (3x + 4y) degrees, and m<B =( 2x + 9y) degrees. FInd m<R. Thanks

Geometry-8th gr
Can you please help me solve this question? Express the ratio x^2 + 4x -12/ x^2 - 4 in simplest form. Thanks.

Geometry-8th gr
Thanks!

Geometry-8th gr
Can you please help me with this question? 1.) Given: triangle ABC ~ triangle XYZ, m<A= 50 degrees, m<X= (2x +5y) degrees, m>Z=( 55 + y) degrees, and that m<B=(102-x) degrees. Find m<Z. Thanks.

Geometry-8th gr
Oh okay...thanks.

Geometry-8th gr
Thanks. So the geometric mean for 16 and 9 is 4/3?

Geometry-8th gr
The geometric mean x of two numbers is the positive value of x that satisfies the proportion a/x =x/b, where a and b are given. Find the geometric mean of 16 and 9.

Geometry-8th gr
Thanks.

Geometry-8th gr
IF 3a =2b and 4b=9c, find the ratio of a to c in simplest form and show steps.

Economics
Suppose the bottle water industry is competitive. If a bottle of water supplied by the typical firm has an ATC of 20 cents and the market price if 30 cents, is the bottle water industry in long run equilibrium?

math
Mary and Peter had a total of Rs 480.After Peter spent Rs 20, he had 3 times as much as Mary.How much did Mary have?

geometry
Lp=2x om=4x+30 and pm=50

Programming in Python
A customer in a store is purchasing five items. Design a program in python that asks for the price of each item, and then displays the subtotal of the sale, the amount of the sales tax , and the total. Assume the sales tax is 6 percent.

physics
what is sqrt(110^2+45^2) 118.849 at an angle of arctan45/110 E of N ^^^ what's that for?

physics
An RV travels 45 km east and stays the night at a KOA. The next day it travels for 3 hours to the north, traveling 110 km. What is the displacement over the two days for the RV? Please help, thank you!

physics
1. If m1= 3kg and m2= 2kg then find acceleration and tension action on the system. 2. A batsman deflects a ball by an angle 45 degree without changing its initial speed which is equal to 54km/hr.What is the impulse imparted to the bal.(mass of the ball is .15kg)

science (physics)
A chairlift carries skiers to the top of a ski hill. If the chairlift does 180 kJ of work in 15s, what is the power of the chairlift?

science
During the shot put competition at a track and field meet, a shot putter transfers 245J of energy to a 7200g steel ball he is throwing. What is the velocity of the ball?

science
Draw a free body diagram to show the relationship of forces on a 200 kg boulder resting on a 15degree incline. Include the magnitude of the force applied by an aadvark as it holds the boulder in place.

Math
Determine a relationship between the x- and y- values in the equation {(0,1), (1,0), (2, -1), (3, -2)}. Write an equation......y=?

physics
A roller coaster reaches the top of the steepest hill with a speed of 3.0 . It then descends the hill, which is at an average angle of 36 and is 50.0 long. Estimate its speed when it reaches the bottom. Assume friction coefficint Mk=0.18.

Math
If someone paid $95 for ten tickets to a concert. Adult tickets cost $15 each. Kids tickets cost $8 each. How many of each kind of tickets did they buy?

social studies
If you had to move to a Northern European country, how would you decide which country you would move to?

social studies
How is the physical geography of northern Europe connected to the economies of northern Europe?

confidentiallity in allied health
when should the computer bureau destroys or erases records,should the erasure be verified by the bureau to the physician?

Language Arts
Whats wrong with this sentences. Able to easily alter her appearance by changing her way of moving and her facial expressions, Tubman often hid in plain sight.

Algebra
solve the amount of money (in cents) of x quarters and (x+6) dimes the value of a quarter is 25 cents and a value of a dime is 10 cents

ALGEBRA- MATH
Avery paid $168 for a cell phone. What was the original price of the phone if he got it at a 30% discount?

math
one freezercan hold 100 frozen yougurt bars .how many frozen yougurt bars are in.10 freezers?60 freezers?3 freezers?100 frteezers?

disease
thank you guys,,

disease
thank you for your effort. i appreciate it but i am looking for a particular asnwer as it keep linking back to diabetes. Thank you

disease
what is the relation between high Blood glucose level (not Diabetes) and Urinary tract infection.

Math
The perimeter of a rectangle is 46m. If the width were doubled and the length were increased by 12m, the perimeter would be 82m. What are the length and width of the rectangle?

english macbeth
thanks but i've opened it already so if you have any other websites i would appreciate it

english macbeth
i really nedd to know what i'm suppose to write in macbeth's theme superstition? i know that it's about the witches and their prophecies and apparitions and about banquo's ghost but what should i emphasize on??

epidemiology
A new screening test for a disease is developed for use in the general population. The sensitivity and specificity of the new test are 60% and 70%, respectively. Four hundred (400) people are screened at a clinic during the first year the new test is implemented. (Assume the t...

epidemiology
A new screening test for a disease is developed for use in the general population. The sensitivity and specificity of the new test are 60% and 70%, respectively. Four hundred (400) people are screened at a clinic during the first year the new test is implemented. (Assume the t...

statistics
Suppose a random sample of 36 is selected from a population with a standard deviation of 12. If the sample mean is 98, the 99% confidence interval to estimate the population mean is

English
Please help me to jumble this word: UIDNVSEH and it should b a loving word.

Math
if x = 10 what is 3x² - x + 14 ?

math
Two of these statements are false. Identify them. 1.4x12>3x15 2.96/2<96/3 3.28+82>31+13 Answers: 1. 48>45 2. 48<32 3. 110>44 48<32 false What is the other one?

Math
1. 48>45 2. 48<32 3. 110>44 48<32 false what is the other one

Math
Two of these statements are false. Identify them. 1.4x12>3x15 2.96/2<96/3 3.28+82>31+13

algebra
you are correct

chemistry
How many grams of sodium chloride are needed to prepare 250 mL of a 2% solution?

math
Find the area of each circle and round to the nearest tenth. radius= 3 and two thirds

math
Find the distance around and the area of each figure. Round to the nearest tenth. quarter circle: 5 inches

math
Area of a trampoline is 201.1 square feet. The safety padding around the jumping surface is 1 foot wide. What is the area of the jumping surface?

Algebra 1
Two side triangle have the same lenght. The third side measures 5 m less than twice the common lenght. The perimeter of the triange is 23 m. What are the lenghts of the three sides?

statistics
A random sample of 10 miniature Tootsie Rolls was taken from a bag. Each piece was weighed on a very accurate scale. The results in grams were 3.087 3.131 3.241 3.241 3.270 3.353 3.400 3.411 3.437 3.477 Click here for the Excel Data File (a) Construct a 90% confidence interval...

Calculus
Oil spills out of a tanker at rate of 50ft3 per minute. The oil spreads in a 3 circle with thickness of 1 ft. Determine the rate at which the radius of the oil is increasing 48 when the radius reaches 200 ft.

Statistics
A party host gives a door prize to one guest chosen at random. There are 48 men and 42 women at the party. What is the probability that the prize goes to a woman? Round your answer to 3 decimal places. Answer

englis 3
my garden is full of water, because of yesterday"s rain.

number patterns
30*5=6 30*10=3

number patterns
mrs brander has 30 tomato plants .she wants to plant the same number of plants in each row of her garden.explain how she could decide the number of rows to plant

number patterns
12

number patterns
joshua is raising fruit flies for a science project.at the begining of the first day,he had 4 fruit flies,his fruit flies double in number each day.how many fruit flies does he have at the end of three days

math
Eight-twentieths of a ton is how many hundredths of a ton?

math
three-fourhs of a gallon is how many eighths of a gallon?

math
one thousand three hundred twenty feet are what part of a mile. Since there are 5,280 feet in a mile the answer will be 1/4 of a mile. how would you set this up in a fraction?

5th grade maths
Choose a reasonable metric unit to complete each sentence and how did you do it. 1. 1 mile is about 1.6---- 2. 1 yard is about 1------ Thanks

calculus 1
At noon, ship A is 20 nautical miles due west of ship B. Ship A is sailing west at 21 knots and ship B is sailing north at 18 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)

calculus 1
At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 18 knots and ship B is sailing north at 19 knots. How fast (in knots) is the distance between the ships changing at 3 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)

dynamics of catering
john is a caterer who encourages his staff to make suggestion on work procedures and frequently incorporates their thoughts into his management program. what kind of management style does john exhibit?

penn foster
what should you do if you find a bone or foreign matter in your food after you've already put it in you mouth?

2nd grade english
What is the hidden word in these letters. tiningtesre Thanks.

Grade 2 english
Hi What is the hidden word in the following letters- panirlea Thanks

Grade 2 english
What is the hidden word in the letters below:- aeeilnnstv Thanks

Grade2 eng
What is the hidden word in these alphabets? abbceeru Thanks

College Physics
a) 18.12

Grade 2 english
what is this word when descrambled? dasholoycr

Economics
Should a firm shut down its unprofitable operation. Firm uses 70,000 workers to produce 300,000 units of output per day. Daily wage is $100 p/worker dn price of firms output is $30. Other variable inputs is $500,000 p/day. Do not know the firms' fixed cost, but it is high ...

university-health economics
because the peaple living in city accicable to arrive the hhealth secter more than people live in country

Grade 2 english
What word is made up by using the alphabets -usrfcfy

science(chemistry)
Using condensed electron configurations and Lewis electron-dot symbols to depict the monatomic ions formed from each of the following reactants, predict the formula of the compound the ions produce. 1) K and P

english
what is the prefix for dismayed.

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