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Posts by Anna

Total # Posts: 2,672

statistics
Select three different five card combinations or five-card hands from your favorite card game that utilizes a standard 52-card deck containing four suits (clubs, hearts, diamonds, and spades), with each suit containing 13 cards with numbers 2-10 and face cards ace, king, queen...

probability math
you have a set of 10 cards numbered 1 to 10. You choose a card at random. event A is choosing a number less than 4. Event B is choosing an even number. Calculate the probability of A.

World History
Imagine you are a reporter conducting a unique interview. Moses, Jesus, and Muhammad are sitting around a table having lunch with you. You are asking them questions about their respective faiths to inform your readers about the world’s three major monotheistic religions. ...

chemistry
Calculate the molar solubility of BaSO4 in a solution in which [H3O+] is 0.50 M. Ksp(BaSO4) = 1.1×10-10, Ka(HSO4-)=1.02×10-2

french 1
A wide variety of activities are enjoyed by French young people but in their schools, there are generally not programs for competitive sports. True False

french
It is customary to greet someone on the street with "allô". False True

internet/math
this website video isnot working please help I have to finish my homework. it was working in school>

Math
There were d passengers in the train. 15% of all of them went in the first car, 20% went in the second car. How many passengers were in the rest of the train? D - 0.15d + (0.15d*0.2) + ? 0.15 + 0.03 = 0.18 I don't know what to do next?

doan
what is the simplified form of x-1/3x-3 ?

Probability
After an exam, a teacher starts checking student attempts. Based on the marks he gives, he also awards a letter grade from any of the 5 letter grades; A, B, C, D, and F. How many papers on average should he expect to check to see all 5 grades awarded? At the end, generalize, ...

6th grade AC math. Rates? I think
1 lap around a track = 1/5 of a mile. A horse horse ran a total of 3 laps in 1 minute and 30 seconds. What's the horses average speed in miles per Minute? I've tried so hard all I can come up with is 1/5 of a mile per each 1/2 minute (30 seconds) is that right pleas help

statistics
41% of the student body at Urban High are "cool". Mr. Uppity has devised a test for determining if a student is "cool" or not. What is the average number of students Mr. Uppity needs to test in order to find one who is "cool"? a. 3 b. 3.57 c. 2.43...

math
Translate one less than the quotient of a number and -5

math
One store sells milk for $3.00 per gallon. A second store sells milk for $0.80 per quart.If you need two gallons, which store should you buy from?

Math
Jody has a rectangular piece of fabric 7/8 yard long and 4/5 yard wide. A. What is the Área of the piece of fabric? B. Jody decides to share the piece of fabric equally with her friend. What is the área of the piece of fabric each person gets? PLEASE HELP MEEE!!

Pre-algebra
Hey I'm having a lot of trouble with this question. An open box is to be made from a 20 inch by 40 inch piece of cardboard by cutting out squares of equal size from the four corners and bending up the sides. A) What size should the squares be in order to obtain a box with ...

Biomechanics
A runner does 1.5 laps around a 400-­?m track in 77s. What is his average velocity? isn't the formulas for ave velocity is displacement/time. When I plug number is different from the Professor Answers. My professor answer is 2.6 m/s. Please help me to understand he ...

Physics
Which of the following properties can be used to measure temperature?

Algebra
When mushrooms are dried, they lose 80 percent of their mass. What weight of mushrooms must be picked to get 1 kg of dry mushrooms?

English
The textual evidence part pls.

English
Complete a Soapstone chart of the Crisis December 23, 1776 by Thomas paine with textual evidence.

Social studies
What are the answers to social studies week 15?

Math
Thanks

Math
The simple interest on a sum of money is 1/9 of the sum.The number of years is numerically equal to the rate percent per annum. The rate percent per annum is?

Chemistry
What mass of salt(NaCl)should you add to 1.20 L of water in an ice cream maker to make a solution that freezes at -10.4?C?

Chemistry
What mass of salt(NaCl)should you add to 1.20 L of water in an ice cream maker to make a solution that freezes at -10.4?C?

Math
In a distribution, Q.D= 15 and co-efficient of Q.D=0.3 75% of the observation are less than? a)67 b)65 c)78 d)75

9th grade physical science
the density of copper is 8.92g/cm^3. If you plotted the mass of copper in grams versus the volume in cubic centimeters, what would the slope of the line be?

math
what is the sum of two missing digits in this addition: -3x + 17 =(-x8)

Math
Thanks alot

Math
The ratio of the ages of husband and wife is 4:3. After 4 years the ratio will 9:7 . At the time of marriage the ratio was 5:3 , then how many years ago they got married?

Algebra Square Roots
For which value of x should the following expression be further simplified? \sqrt{ 39x} a x = 2 b x = 6 c x = 10 d x = 11

math
n apples are to be packed into m boxes so that each box contains the same number of apples. How many apples will be packed into each box in terms of m and n?

Math
Maria wants to make fruit punch for a birthday party. She needs to mix three parts ginger ale, two parts cranberry juice, and one part orange juice. Ginger ale costs $2.00 per gallon, cranberry juice costs $4.00 per gallon, and orange juice costs $5.00 per gallon. Maria only ...

Matha
At what rate of compound interest will a sum of money become 2.25of itself in 2 years?

Math
If 4 balls out of 6 reach the boundary in a cricket match then the average number of balls reaching the boundary in selected 10 overs of the match?

Grade 8 math
the hypotenuse of a right triangle is d. Find the sums of squares of the distances from the point of intersections of medians to the three vertices of the triangle. What? What does even mean? Why are they talking abou finding sums of squares if it's a triangle? I don't...

HELP ANYONE
Thank you for all the help..!

HELP ANYONE
Oh sorry :( Didn't mean any of that.. I needed help with the problem.. its nothing about calling police.. very sorry ma'am

HELP ANYONE
Badger Bus Line; c=75+1.25x For what trip lengths can the school use Badger Bus if they have at most $300 to spend on transportation?

Math
Translate this phrase into an algebraic expression. 49 decreased by twice Vanessa's savings Use the variable v to represent Vanessa's savings.

math, algebra
Members at a yoga school pay $7 per class plus a one-time $120 membership fee. Non-members pay $11 per class. How many classes would a member have to take to save money compared to taking classes as a non-member? I'm struggling with this problem a bit, and so are my ...

English
I agree. For me, writing is the best thing in the world. It's a great way to express yourself, but some people have trouble with it. You aren't alone, but nobody is going to do homework for you. Advice: Think about what the question is asking you, the title is: The ...

Math7
Can somebody answers please temp started at 12 degree

Math7
On December 30 2013 the temp started at 13 degree f .for next 5 hours the temp dropped 2 and1/2 degree per hours then the temp increased 4 degree what is the temp after these changes

Mathematics
Francine used her computer for 2 1/8 hours Tuesday evening and for 2 1/4 hours on Wednesday evening. Which is the best estimate of the time Francine used her computer on Tuesday and Wednesday evenings? A) about 1/4 hour B) about 3hours C) about 4 hours D) about 5 hours

Math
Think about the problem this way: J = Julia T = Tom J = 5 < T J + T = 126 126 - 5 = 121 Obviously, Tom would not be 121 years old. Think of a number that would equal 126 if added with 5, and would be greater than 5 (Like I said before, make sure your answer is reasonable!).

Social Studies MS. SUE
Ms. Sue, thank you so much!

Social Studies MS. SUE
The Middle Passage was the stage of the triangular trade in which millions of Africans were shipped to the New World as part of the Atlantic slave trade?

Social Studies MS. SUE
The Middle Passage was the brutal part of the trade. Explain why.

math
sam was exercising on his treadmill. He walked 3/8 of a mile and than ran 2/5 of a mile within 30 minutes. How many miles has sam done on his treadmill?

Physics
A 250kg rollercoaster cart loaded with people has an initial velocity of 3m/s. Find the velocity of the cart at part A (10m high), B (35m), and C (44m) Assume that friction is negligible.

Physics
A 52 kg woman is standing in a 26 kg cart that is moving a velocity of 1.2 m/s S. The woman staying rest then moves at a velocity of 1m/s (E) what is the final velocity of the cart? I just ugh, don't even know how to even start answering the question as this deals with ...

physics
A 2.0 g bullet is shot with an initial velocity of 200.0 m/s into a board (I = 12.0 kg m2). The board is held still by a frictionless pivot a third away from its bottom end, as shown below. Assume that you can treat the board as a uniform rod. 1. What is the initial angular ...

Math
Liam earns 5% commission on all computer he sells this week he earned $500in commission .how much money did he sells in computers

Check spanish answers
I just took the test! anonomys is right! 100% accurate! Thank you!

Math
a rectanglular form is 3.5 meters long,2 2/5 meters wide and 2.5 meters deep.Tory filled it full of cement,leaving 25 centimeters space at the top.How many cubic meters of cement did Tory use?

ttu
the sum of the digits of a three digit number is12. the tens digit is 2 lessthan the hundreds digit, and the units digit is 4 less than the sum of the two digits. What is the number?

Spanish
Please help me and check my answers! Llene el espacio en blanco con el MANDATO apropriado. 1. ¡No _____ tú esas tartas! (TOCAR) toca 2. ______ Ud. la lista de ingredientes para el flan, por favor. (ESCRIBIR) escriba 3. No me _______ Uds. Esas cosas. Son mentiras...

spanish
Hola! I was wondering if someone could check my work! Llene el espacio en blanco con el MANDATO apropriado. 1. ¡No _____ tú esas tartas! (TOCAR) toca 2. ______ Ud. la lista de ingredientes para el flan, por favor. (ESCRIBIR) escriba 3. No me _______ Uds. Esas ...

Spanish
Hola! I was wondering if someone could check my work! Llene el espacio en blanco con el MANDATO apropriado. 1. ¡No _____ tú esas tartas! (TOCAR) toca 2. ______ Ud. la lista de ingredientes para el flan, por favor. (ESCRIBIR) escriba 3. No me _______ Uds. Esas ...

Physics
The mass of a spacecraft is about 480 kg. An engine designed to increase the speed of the spacecraft while in outer space provides 0.09 N thrust at maximum power. By how much does the engine cause the craft's speed to change in 1 week of running at maximum power? Describe ...

Physics
An object of mass m1 is placed on an inclined plane (angle theta above the horizontal) is connected by a string going over a pulley to a hanging object of mass m2. Determine the acceleration of the system if there is no friction between object 1 and the surface of the inclined...

Physic
Point B is 5.0 KM east of Point A. A cyclist leaves A and goes 3.0 km in a direction of 30 degrees to the north of east A. in what direction mus the rider go from this point to reach point B? B. what distance must be covered? please explain

Math7 grade
Wallpaper was applied to one rectangular wall of the photographer s studio. .The dimension of the wall are shown below 42 ft by 25.5 feet .If the total cost of the wallpaper was &771.21, what was the cost of the wallpaper per square foot.

Math 7 grade
Thank you I thought 3 pics but I wasn't sure

Math 7 grade
What met ode you used

Math 7 grade
3 ft apart it think from each other

Math 7 grade
Can somebody answer this

Math 7 grade
The photographer wants to display her photograph in her studio A wall in her studio is 10 ft wide .She wants each picture to be 3 feet apart .If she displays photographs that are 4"wide by 6" high . How many photographs can she display side by side on her wall

Literature Study
Whole quick check; A D C D D C B B A B C A

Math PLEASE HELP!
A small company invested $29,000 by putting part of it into a savings account that earned 3.9% annual simple interest and the remainder in a risky stock fund that earned 12.4% annual simple interest. If the company earned $1,513.50 annually from the investments, how much was ...

Chemistry
How much heat is required to melt 110g of ice at-45°C?

Chemistry
4380/15=292 Answer: 292 drops/tile

Chemistry
Rain drops fall on a tile surface at a density of 4380 drops/ft^2. There are 15 tiles/ft^2. How many drops fall on each tile? Answer in units of drops/tiles.

ENGLISH
how to put emphasis on highlighted words ? 1 Are you going to wear " this dress " at the reception ? 2 "Ann" put up the Christmas decorations 3 why can "you" never be at work on time ? 4 "John" looks after the children when Shelia is at ...

Spanish
In Columbia, _______. A. Children are not required to go to school B. Children are required to go to school until they are about 9 C. Children are required to go to school until they are about 14** D. Children are required to go to school until they are about 18 My answer, **

Math
Write the expression to represent the given situation.Be sure to define your variable. Sam currently has $150 in a saving account and is saving $10 per week

French
Is this right? true love letters you read were from me véritables lettres d'amour que vous lisez étaient de moi

statistics
In general, increasing the sample size (for example, from n = 4 to n = 50) will ____ the risk of a Type I error. (Assume alpha is held constant at .05.) Select one: a. decrease b. increase c. have no influence on

Social Studies
Compare the tactics used by the French troops in the French and Indian War with those of the American patriots during the Revolution.

Math
d=44

PHYSICS
Two tugboats are towing as barge. Each exerts a force of 5.0 tons and the angle between two ropes is 30 degrees. Find the resultant force exerted the barge.

math
my real name is Lillianna my grandma just wrote it like that

math
how would you show his problem as a bar model A box of chalk and 2 staplers cost $10.3 boxes of chalk and 2 staplers cost $18.Find the total cost of 1 box of chalk

Math - vectors
Never mind! I got it

Math - vectors
For what value of t are these two vectors parallel? a) r = 4i + tj and s = 14i - 12j What I Know: vectors are parallel if one is a scalar multiple of the other. I need to find a way that r and s relate by finding what number you can multiply r by to equal s. What I Don't ...

Math
If a piece of equipment cost 21,000 new and the equipment was worth 75% of its new value after 4 years what is its salvage value after 10 years

Math
If a piece of equipment cost 21,000 new and the equipment was worth 75% of its new value after 4 years what is its salvage value after 10 years

Geometry
Point AC is parallel to Point DB at point O. DB and AC bisect each other. Triangle AOD IS CONGRUENT to triangle COB. PROVE.

math
" I am thinking of a number thrice my number minus 6 equals 66"

Math
Marian bought a 2 L bottle of fruit juice for 5.99 Isaac bought a 0.75 L bottle of the same juice for 2.95 Which was the better buy?Explain

French
Could someone who specializes in French help me to see if these are correctly written in the past tense. Thankyou!!! (: 1. J’ai passé mes vacances en Californie. I spent my vacation in California. 2 Nous sommes allé à la plage beaucoup. We went to the...

French
I need help with the correct translations in French (please check to make sure if I used past tense right or if it's not, suggest the appropriate change. 1. During the summer, I traveled to Baltimore, Maryland. - Pendant l'été , je suis allé &...

English
Which of the following sentences demonstrates a subject-verb-modifier pattern? A. Shelly served dinner after spending hours preparing a meal. B. Shelly, after spending hours preparing the meal, served dinner. C. After spending hours preparing the meal, Shelly served dinner. D...

Physics
I need to understand how to calculate the final 2 steps of this problem. Appreciate any help: For a circuit, consisting of a single battery and two light bulbs in parallel, what is the total resistance of the circuit if each light bulb has a resistance of 6.3 ohms? 1/Rt=1/R1+1...

Physics
Thanks. Pretty much what the photos in the book have, and what the professor said. Still don't understand. I appreciate your time.

Physics
The answer "use the right-hand rule" isn't working for my brain. I'd really like to understand how to answer the following: You can make an electromagnet by wrapping wire around a wire and connecting the ends to a battery. If the battery is connected so that ...

math
The angle of elevation to the top of a building is found to be 5 degrees from the ground at a distance of 4 miles from the base of the building. Find the height of the building to 4 decimal places.

Physics
Thanks, I'll keep checking with others for a formula. Appreciate your time.

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