# Posts by giselle

Total # Posts: 52

math
Giselle rectangular painting has perimeter of 36 inches the length of the painting is 8 inches what's the width

Chemistry
An electron of a hydrogen atom falling from n=3 in the excited state to back to ground state gives off about 12eV. what form the "light" will it give off?

Chemistry
Is anyone able to answer this one? I am really struggling.. Identify the predominant intermolecular forces in dimethyl ether (CH3OCH3) and ethanol (C2H5OH) and predict which will have the higher boiling point.

Mathematics
2400

Statistics
A simple random sample is conducted of 1486 young adults who were once college students seeking bachelor’s degrees at a specific university. The study found that 780 of these young adults actually earned bachelor’s degrees. Use a 0.05 significance level to test the ...

Statistics
A savings and loan association needs information concerning the checking account balances of its local customers. A random sample of 20 accounts was checked and yielded a mean balance of \$664.14 and a standard deviation of 235.29. Assume the data is normally distributed. Find ...

Statistics
A modification is made to a computer component to try to increase its mean time between failures, which was originally 520 hours. Tests on a simple random sample of 10 modified components resulted in the following times (in hours) between failures. Assume that the sample comes...

Math Check
1.) Find 1/2([5 -2 4 0]+[14 6 -18 9]) A. [19/2 2 -7 9/2] B. [-9/2 -4 -11 9/2] C. [ 19/2 2 -7 9] D. [19 4 -14 9] My answer: C. 2.) Is it possible to find AB when you are give A= [3 2 1] and B= [2 3 0]? (this 2, 3, 0 is suppose to line up like up and down.) A. [12] B. [6 6 0] C...

Math
Solve the following system of equations. Then, write the final answer in (x, y, z) form. -12x+y-x=-20 -2x-4y+2z=10 x+2y+2z=25

Chemistry Honors
A sample of 2.0 moles of dihydrogen gas is placed in a container with a volume of 10.4 L. What is the pressure of of the gas in torr if the gas is at 25 degrees Celsius.

Geometry
kklklkl

Math
Dont know anserw

math
There are 17 goats in the barn. 8 goats go outside. How many are still in the barn? Use ten frames show work

Math
175

physical science
C. Bombarded by high-speed electrons

HISTORY
nature I think

English

math
3*2-1

Math
Yes I think for the first one it is 19 out of 20 and you are correct for the second one cuz if the other cards have different numbers on them then there's a probability that you will pick dat instead of ten

science
Think about something creative and out of the box even if you nor creative what is something that you want to know in science try to figure it out make an experiment on how pop rocks pop I don't know wat grade you are in bye

Math
A man invests \$5500 dollars in three accounts that pay 5%, 8%, and 9% in annual interest respectively. He has two times as much money invested at 9% as he does at 8%. If the total interest earned for the year is \$449, how much is invested at 5%?

Math
A man invests \$5500 dollars in three accounts that pay 5%, 8%, and 9% in annual interest respectively. He has two times as much mondy invested at 9% as he does at 8%. If the total interest earned for the year is \$449, how much is invested at 5%?

Condensation the water evaporated cuz of de heat and then it condensed to make tiny water droplets

geometry
A rhombus has base angles of 60 and 120. The length of each side is 16. What is the area of the rhombus?

Psychology
Using the format of an experimental write-up*, describe (and illustrate) 2 of the following 3 important Behavioral/Learning experiments: 1) Seligman’s “Learned Helplessness” experiment 2) Skinner’s “Latent Learning” experiment 3) Bandura’s ...

physics
calculate the period and frequency of a 3.500 m long pendulum at the following locations: a) the north pole, where acceleration due to gravity is 9.832 m/s^2 b) chicago, where acceleration due to gravity is 9.803 m/s^2 c) jakarta, indonesia, where acceleration due to gravity ...

math
algebra;40-20=50-_?

Pre Calc
Solve the non-linear inequality: x^3-5x^2-14x<0

Pre Calc
thanks!

Pre Calc
Solve the non-linear inequality: x^3-5x^2-14x<0

English
what matters is on the inside not the outside

Statistics and Probability
Thank you Soo much!

Statistics and Probability
it has been estimated that about 30% of frozen chickens contain enough salmonella bacteria to cause illness if imprperly cooked. A consumer purchases 12 frozen chickens. What is the probability that the consumer will have more than 6 contaminated chickens? A) .882 B) .961 C) ....

science
if you had a bucket that contained a mixture of sand and seashells ,how might you use the physical properties of the seashells them from the sand ?

Algebra
A 23 inch rope is cut into 4 pieces.the first piece is 3 inches longer than the other three pieces of rope .what is the length of the longest piece of rope

math
(12)____(3) (4)(5)(11)(6) (9)(8)(2)(7) (1)____(10)

math
solve by factoring 6x - 5 = 6/x

Math

Consider the wide spectrum of business organizations, ranging from gigantic corporations to working at home. Describe at least three types of business organizations that you are familiar with or that you would like to know more about. How is each one advantageous to the ...

I AM A NUMBER BETWEEN 20 AND 30.WHEN YOU PUT ME INTO 6 EQUAL GROUPS,THERE IS AN EVEN NUMBER IN EACH GROUP AND 1 IS LEFT OVER.WHAT NUMBER AM I?

I AM A NUMBER BETWEEN 20 AND 30.WHEN YOU PUT ME INTO 6 EQUAL GROUPS,THERE IS AN EVEN NUMBER IN EACH GROUP AND 1 IS LEFT OVER.WHAT NUMBER AM I?

chemistry
-6.18 Celcius

math

math
solve. 6t + 7/ 4t - 1 = 3t +8/2t - 4

english
whose job is it to interpret the law in light constitutional safeguards

science
What part of the vertebrae provides an articulation point for the ribs?