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Posts by Crystal

Total # Posts: 842

Geometry
To the nearest tenth, find the perimeter of ?ABC with vertices A(2,4), B(-2,1) and C(2,1). Show your work.

Math- PLEASE HELP. I DONT UNDERSTAND THIS QUESTION
Thx u ??

Math- PLEASE HELP. I DONT UNDERSTAND THIS QUESTION
What is the formula for base, b, of a triangle if the area is A and the height is h?

science
A bus starts from rest and attains 40km/hr velocity after 10sec . Calculate the acceleration of bus in m/sec2

Science
Thank you!!

Science
Identify the following types of tissue as connective, muscle, nerve, or ephithelial: A. Tendon - Muscle B. Sciatic Nerve- Nerve C. Fat - ? D. Blood Vessel - Nerve E. Skin - Ephithelial F. Ligament - ? G. Bone - ? H. Muscle - Muscle ( I got them all except for Fat, Ligament, ...

science
Because I would go with Semimetals

science
Would you want the current to go through or stop?

Science
Identify the following types of tissue as connective, muscle, nerve, or ephithelial: A. Tendon - Muscle B. Sciatic Nerve- Nerve C. Fat - ? D. Blood Vessel - Nerve E. Skin - Ephithelial F. Ligament - ? G. Bone - ? H. Muscle - Muscle ( I got them all except for Fat, Ligament, ...

Math- PLEASE HELP!! I DONT GET THIS QUESTION!!
Thank you so much!!! <3

Math- PLEASE HELP!! I DONT GET THIS QUESTION!!
Molly bought two sweaters for $30 each and three pair of pants for $25 each. She had a 20% off coupon for her entire purchase. Model and write an expression for the amount of money Molly spent. State your answer in a complete sentence.

Spanish
How do you say and conjugate the word "make" in Spanish?

Plate tectonics
Explain how earthquake sizes are connected to the three types of plate boundaries

chemistry
Calculate the pH values and draw the titration curve for the titration of 500 mL of 0.010 M acetic acid (pKa 4.76) with 0.010 MKOH. Calculate the pH of the solution after 490 mL of the titrant have been added. Calculate the pH of the solution after 500 mL of the titrant have ...

math
Martha read 1/6 of her book on Saturday and 5/12 of her book on Sunday how many more pages do she have to read

Mathematics
Marsha has $60.00 . 2/3 of marsha's money is equal to 1/2 of Joanne's money .how much money does Joanne have ?

Math
1.25

Math
At the beginning of soccer practice a water cooler contained 5 gallons of water. At the end of practice the water cooler is only 1/4 full. How many gallons of water are in the cooler at the end of practice? Explain

Pharm Math
Sucralfate

math 1025
find the interest. round to the nearest cent $290 at 8.8% for 3 months

chemistry
2C2H6 + 7O2 --> 4CO2 + 6H20 given 7.5 X 10 to the 3rd of C2H6 how many grams of CO2 is emitted the 7.5 x 10 to the third is 7500 what do i do to figure out the rest

Chemistry
Phthalic acid, H2C8H404, is a diprotic acid used in the synthesis of phenolphthalein indicator. Ka1= 1.2x 10^-3, and Ka2 = 3.9 x 10^-6. a) Calculate the hydrongen-ion concentration of a .015 M solution. b) What is the concentration of the C8H4O4^2- ion in the solution?

Math
A recipe for 2 1/2 dozen cookies calls for 1 7/8 cups of flour. How many cups of flour are needed to make 1 1/3 dozen cookies?

7th grade math
A plumber has a very long piece of pipe that is used to run city water parallel to a major roadway. The pipe is cut into two sections. One section is 12 ft. shorter than the other. If 34 of the length of the shorter pipe is 120 ft., how long is the longer piece of pipe? Solve ...

Maths
Find the Amount when... P=1000 N=2 1/2 years R=10% Compounded half yearly

Algebra
The perimeter of a rectangle is 80 in. The length is 6 inches more than the width. What are the dimensions of the rectangle

Physics
NOPE NOOOOOOOOOOOOO

Physics
A student travels 300m towards North and then 400m towards East to reach his school. Calculate the distance of his school from his home.

Riddle
I have two bodies, joined as one; Watch this trick: Ill flip, stand still, and run. What am I?

Math
What means the samethings as 12ten and 17 ones

math
I still don't really understand though due to the /

math
Mdm Lee gave Nathan and Jasper some money on Friday.On Saturday,Nathan gave 1/3 of the amount he had to Jasper.On Sunday,Jasper gave 1/3 of the amount he had to Nathan.In the end,Nathan had $96 and Jasper had $120.How much did each of them have at first?

stat
** I already finish these questions Can you answer so I can compare my final answers w/ yours.** Suppose that a principal of a local high school tracks the number of minutes his students spend texting on a given school day. He finds that the distribution of minutes spent ...

algerbra
The function h = -t2 + 95 models the path of a ball thrown by a boy where h represents height, in feet, and t represents the time, in seconds, that the ball is in the air. Assuming the boy lives at sea level where h = 0 ft, which is a likely place the boy could have been ...

Social Studies
Answers are B C D You ll get 100 cause that's what i put and got a hundered

Algebra
a spinner used for a game is divided into sections: yellow, green, and orange. Janie spins the spinner 20 times. The spinner lands on green 8 times. What is the experimental probability that the spinner does not land on green?

Trig sum please help
Write the augmented matrix, and then solve the system, using Gauss Jordan elimination on the augmented matrix. x + 2y - z = 4 -2x + y - 4z = -6 4x - 3y + 2z = -10

Evaluate sum please help
Evaluate the sum ∑3 =0 (-1)k × 2k-1/2k-1 6

trigonometry
A plane flies due south from an airport for 92 miles, and then turns and goes S63°W for 50 miles. How far is the plane from the airport (to the nearest tenth of a mile)? What direction is the plane from the airport (to the nearest tenth of a degree)? (That is, find the ...

Math
A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true. Show your work. Sn:    2 + 5 + 8 + . . . + ( 3n - 1) = n(1 + 3n)/2

Art
evil

maths
this is a really good problem because it works out to be really easy once u really do it. so when u are doing this u have to know how to do this type of work period. so the advice that i have for u is that i dont kno lol hahahhaha sike ion like math ninja

algebra question
A hand-woven rectangular rug measures x ft long and 2 4 5ft wide. Write an expression to represent the perimeter of the rug.

Math
Interest is a concept familiar to most people: every credit card in existence has a term called annual percentage rate (APR), which is an interest rate. Suppose you charged $1,000 to a credit card that has a minimum payment each month equal to the interest owed. Can you figure...

finite
You select 9 cards randomly from a deck of 52 cards. What is the probability that all of the cards selected are face cards (i.e. jacks, queens, or kings)?

LA
Anna and Iggy you shut up. You should listen for once. Why are you defending this site? You 2 are such idiots, you will never succeed in life if you keep cheating of this site. This is not even a joke where do you get them from? If your education is your business why are you ...

Health Help Me!!
Thanks ur right @AWESOME PRUSSIA

Typo (Test Marked)
Okay i had a typo i for got to add stars..i had emojis next to it that didn't show up What number is 73% of 215? (1 point) 215 = 0.73n n = 0.73 × 215 * 0.73 = n × 215 215 = 73n 2. What percent of 94 is 23? (1 point) n/94 = 23/100 23/94 = n/100 * 94/n = 23/100 ...

Art
Im right is correct. I got 100% thank you so much!

Math
If a bag contains 12 apples, 4 bananas, and 8 oranges, what is the part to whole ratio of bananas?

6 th grade SS
Thanks sooo much for helping me ms sue and reed. I really appreciate it!. :)

6 th grade SS
oh ok. So no I don't think they will continue to have economic problems because if only the problem was in the nuclear program which is now getting eased then yes they will most likely improve because other countries and places will be willing to help them and stop ...

6 th grade SS
Do you think Iran will continue to have economic problems? I think yes. Because even though they have a lot of oil they still have many political problems. Like they don't treat their women right. No one can dis agree with the government with out getting hug or something. ...

6 th grade SS
Okay can you help me with one more question

6 th grade SS
Can you check my answer What do you think the political and economic future of Cyprus will be like? The future of Cyprus will be a future governed by a new and different governmental and political structure. Like focusing on the economy instead of the politicial problems on ...

math
Determine whether the sequence is a Fibonacci-type sequence. If it is, determine the next two terms of the sequence. -4, 5, 1, -3, -2

Physics
So this is the problem: A comet is in an elliptical orbit around our Sun. At its point of closest approach, it is moving at 6.3x10^4 m/s and is 4.2x10^10m away from the sun. When it is at the farthest distance, 7.5x10^12m away, how fast is it going? This is what I did K1+U1=K2...

Math
Is the answer 3.95

Math
Trina works after school and on weekends. She always works three days each week. This week she worked 2 3/4 hrs on Monday. 3 3/5 hrs on Friday and 5 1/2 hrs on Saturday. Next week she plans to work the same number of hrs as this week but will work the same number of hrs each ...

pre-cal
find the value of K such that (x+1) is a factor of x^3-kx^2+x+5

pre-cal
find the constant c such that the denominator will divide evenly into the numerator x^4+10x^2+c/x+i

pre-cal
Write a polynomial equation with integral coefficients that has 1/2 and 2i as solutions

PHYSICS
While following the directions on a treasure map, a pirate walks 25.2 m north, then turns and walks 4.4 m east. What is the magnitude of the single straight-line displacement that the pirate could have taken to reach the treasure? Answer in units of m.

math
hi im 33 years old and i have decided to go back and get my ged i don't understand order of operations (3+6).(5+4)divided by 3-7 i just started my ged classes lastnight can you help me ?

6th grade math
Please explain: Ursula wrote the sum of 5.815 + 6.021 as a sum of two mixed numbers. What sum did she write? Compare the sum of the mixed numbers to the sum of the decimals? Please explain.

Math
Thank so much!

Math
Hi(-: A newspaper editor wants to know whether people who buy the newspaper like the paper’s new format. He prints an alphabetical list of all the employee names and asks every fifth person on the list. Is the sample likely to be biased or unbiased? Explain your answer. I...

physics
A bicycle tire is 82 inches across and has a diameter of 26 inches.

6th grade math
2 line segments intersect to form an angle that has a measure of 50.7 degrees. What is the measure in degrees of an angle that is supplementary to this angle?

math
Michael ate 1/4 of a pizza and his brother ate 3/8 of the same pizza . How much of the pizza was left?

Math
4577

Math
24

HIS202
During the latter part of the 19th century, Republicans were particularly strong in the _____ states?

chemistry
Predict if a precipitate will form when 20.00 mL of the 50% saturated solution is mixed with 20.00 mL of 0.0100M of the following solutions.? the saturated solution is : BaCO3, it has the Ksp of 5.1 x 10^-9 the solubility is 7.1 x 10^-5 M. I don't know how to do this. I am...

math
Brown earns a dollar for every candy he sells. If he sells 30 candies, how much will he earn? Please show me the work.

US History
its d. Thanks i suppose.

US History
B then Since he defended it as something postive

US History
wait what?

US History
Thanks

US History
Which of the following 19th century developments most undermined the racial philosophy John C. Calhoun Outlined in the excerpt from his 1848 Senate speech? A The establishment of the Ku Klux Klan B The enforcement of the black codes C. The suspension of habeas corpus D The ...

math
8/1 X 3/5 = 24/5=5

math
HI SUP

math
100

art help
The answer was actually A

Physics
A runner moving at a speed of 7.7 m/s rounds a bend with a radius of 21 m. What is the centripetal acceleration of the runner? My teacher doesn't explain anything very well and I don't understand how to figure it out.

math
A biker traveling with a velocity of 80 feet per second leaves a 100 foot platform and is projected directly upward. The function modeling the projectile motion of the biker is s(t)=-16t^2+80t+100,where s(t) is the height and t is the number of seconds the biker is in the air...

2nd grade math
It is greater than 43 and less than 52. If you add the digits, the sum is 8. Write the number word

math/ unit rates
A fertilizer covers 5/8 square foot in 1/4 hour.

math/ unit rates
I try to do it but it doesn't look right.

math/ unit rates
A garden snail moves 1/6 foot in 1/3 hour

math/ unit rates
Kenny reads 5/8 page in 2/3 minute

unit rates
Thank you

unit rates
Yes

unit rates
Julio walks 3 1/2 miles in 1 1/4 hours

Algebra II Honors
There are some interesting special cases in which the graphs turn out to be parallel, perpendicular, or coincident with the coordinate planes or axes. Sketch a graph of each of the following equations by drawing their traces as in Problem 1. Then tell what the graph is ...

Accounting
Dr. Rees: Ruth, good to see you again. Why didn’t you call me when you were in Denver? We could have had dinner together. Dr. Turner: Actually, I never made it to Denver this year. My husband and kids went up to our Vail condo twice, but I got stuck in Fort Lauderdale. I ...

MATH HELP!!
Is it 641,310

math
4/(x+7)=1/4 x+7=16 x=9

Math
5 inches, 12 inches

Maths
Alison discovered that she had spent 2/5 of her money, leaving her with £21. What amount of money did she originally possesses?

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