# Posts by leeann

Total # Posts: 30

Math
in 2016, you purchased a new car for \$20,000. The value of the car depreciates at a rate of 18% per year. The value V of the car after t years is given by the function V(t)=20000(0.82)t. When will the car be worth three-quarters of its original value?

Math
25

Algebra
Write an expression for a cell phone company charges a flat fee of \$20 for unlimited texts and calls. Would the expression be: y=20 or 20/x

chemistry
the answer is mass Al2O3 = 101.96 g/mol x 0.04633 moles = 4.72 g

chemistry
wait sorry i got it thank you for being so patient with me

chemistry
OK were going to use 0.0521 because its smaller than 0.0463. so 0.0521/32?

chemistry
for 02 i got 0.078125 im not really under standing what you want me to do for step 2? didn't i ustconvert them into mols?

chemistry
i got 0.09259

chemistry
how do i convert into mols?

chemistry
@DrBob222

chemistry
could you help me

chemistry
can you calculate the mass(g) of AL2O3 that is produced when 2.5g of aluminum and 2.5g of oxygen react according to this equation : 4Al(s)+3O2(g)->2Al2O3(s) im not understanding how to do this

math
50

ECE
well i actually have pickedout my answers already.......i just wanted to know i got them rite before i take my exam. maybe you should have asked me what my intensions were before you went on and did that. i take my schooling very serious. next time don't be so quick to judge.

ECE
Which of the following is the most important reason for assessing young children? A. To prove the effectiveness of the program B. To comply with federal standards C. To evaluate children's development D. To qualify for federal funding

ECE
Teachers need to strengthen their powers of observation when assessing young children. Which one of the following statements about observing is correct? A. The more each of us knows about child development, the more different our observations of the same child will be. B. Two ...

ECE
3. In preschool, teachers who want to foster children's emotional development should focus on learning A. how to use discipline appropriately. B. how to help children develop appropriate emotional responses. C. what teachers should do when children act out. D. what causes ...

ECE
the child development checklist is an observation tool that? A.can only be used by one observer for the same child B.omits references to childrens emotions. C.includes space to record non-objective data. D.focuses on sequences of child development

ECE
thank you ms.sue

ECE
1.when a child hits another child because he is angry, the best way to handle the situation is to? A.send the hitter to a time-out chair B.intervine immediately and ask each child what happened C.tell the second child to hit the first child back D.make the hitter apologize to ...

Math
How do I factor (ab+3a-5b-15) by grouping?

thank you. really appreciate it

A 16kg sled starts up a 28 degree incline with a speed of 2.4 m/s . The coefficient of kinetic friction is = 0.27. part a)How far up the incline does the sled travel? part b)What condition must you put on the coefficient of static friction if the sled is not to get stuck at ...

math
a door was 6ft10in tall and 2ft 11in wid. estmate the area of one of the door

economics
Shortage would be the correct answer. the definition of scarcity is the dollars that become available for investors to use when others save. If you think about it, the store didn't have enough so it would be a shortage. Hope this helps

math urgent
2 rainstorms occurred in one week in a certain area in the first storm, 15ml of rain fell per hour, and in the second storm, 20ml of rain fell per hour. rain lasted for a total of 40 hours, resulting in a total rain of 675ml. how long was each storm. 1st storm = hours 2nd ...

5th grade social studies
What were the names of the colonies in New England, Middle Colonies and Southern Colonies

Geometry
YES

chemistry
what are some examples of covalent bonds and what are some examples of ionic bonds? Electrons are shared in covalent bonds. Electrons are exchanged in ionic bonds. Typical ionic compounds are NaCl, MgCl2, LiI, etc. Typical covalent compounds are CH4, methane; C2H6, ethane; ...

orientalism of muslim and arab american
Thats real funny!!! I am here 2 years later with the same assignment.. Yes! it is University of Pheonix.. I bet you have long graduated!