Friday
August 1, 2014

Posts by sabrina


Total # Posts: 424

Math
How do I work this problem? A license plate is to consist of 2 letters followed by 5 digits. Determine the number of different license plates possible if repetition of letters and numbers is not permitted. is this correct 26*26*10*10*10*10*10= 67,600,000

Physics
a student pushes on a desk with a force of 75 N causing it to begin sliding. if the desk weighs 400 N then calculate the coefficient of static friction between the desk and the floor

math
-4x-4y=12 16y=-16x-48 identify the solution of the system or equatuions

CULTURAL DIVERSITY
A story narrative is probably Asian if it is i put B. episodic, event-driven,and contain judgmental remarks can someone check my answer

CULTURAL DIVERSITY
young children's functional use of language within a work context is often observed in ? i put D. native american cultures

exceptionall children
transactional relationship exist in families because .my answer is b. children and adults influence each others behavior

ENG 122
When using the BEAM style of evaluation, which of the following is UNLIKELY to occur? (Points : 1) Writers will probably meet all research needs. Writers will need multiple examples of all four kinds of sources. Any single source will probably feature more than one of the BEAM...

The Power of Media
#1. Which of the following is an example of a print medium? a) a blog b) a newspaper c) a magazine’s website d) all of the above ******* #2. Which of the following is an example of a public service announcement, or PSA? a) a commercial advertising an unscented detergent b...

Grammar
I know right! Thanks Steve! :-)

Grammar
Oops Sorry, Here is the correct way: At the end of some passages there ______ trapdoors into the dungeons. a.) are ******* b.) is

Grammar
Choose the right form of the verb for the sentence below: At the end of the some passages ___________ trapdoors into the dungeons. a.) are ******* b) is

Math-----Thanks Damon
Thanks Damon for checking my answers! :-)

Math ~ Check Answers ~
Shut up!

To Like_A_Boss
Like_A_Boss I said check not do my Homework! OK! so mind your own business!!!!

Math ~ Check Answers ~
A system of linear equations is shown below. 5X = 3y - 2 y = X + 4 What is the x -coordinate of the solution? a.) 2 b.) 4 ***** c.) 5 d.) 1 Jean needs to graph the function below. y = 7x ^2 + 8x -6 How many times should the graph of this function intersect the x-axis? a.) 3 b....

SCIENCE HELP ASAP! :)
Tell ur mommy to check it

SCIENCE HELP ASAP! :)
Do your own "Homework"!

social studies
OK.

social studies
during the early 1800s, the United States tried to make peace with countries in order to grow and develop. Give an example of one of these peace efforts and briefly explain what it hoped to accomplish. Can I use or write about the Louisiana Purchase?

social studies
during the early 1800s, the United States tried to make peace with countries in order to grow and develop. Give an example of one of these peace efforts and briefly explain what it hoped to accomplish.

cyber-bullying
Thanks !

cyber-bullying
Charles sends Julia text messages every morning insulting her appearance and threatening to hurt her. He writes unflattering description of her on blog and on his own personal website a. identity theft b. cyberstalking c. online arguing d. cyberbullying **** What is the best r...

social studies
During The early 1800s, the US tried to make peace with other countries in order to grow and developed. Give 2 examples of these countries and what the US hoped to accomplish.

Science
43Lb has a half life of 42 minutes. If you start with 100 grams, how many grams will you have after 84 minutes?

trig
write a formula f*g*h when f(x)=x+1, g(x)=3x, h(x)=4-x

physics
A pelican flying along a horizontal path drops a fish from a height of 4.3 m. The fish travels 8.3 m horizontally before it hits the water below. What was the pelican’s initial speed? The acceleration of gravity is 9.81 m/s 2 . Answer in units of m/s

culturally diverse
CAN SOMEONE CHECK MY ANSWER

culturally diverse
D. native american cultures

General Physics 2
A dead battery is charged by connecting it to the live battery of another car with jumper cables. Assume that V = 9 V and R = 0.80 Ù. Determine the current in the starter. Determine the current in the dead battery.

Physics
Consider two straight conductors of length 0.9m, carrying current of 19.9A and 12A respectively. If they are placed 0.3m apart, what is the value 10^6 ×F, where F is the magnitude of the force (in N) between these two conductors. Express the answer with one decimal place.

Algebra 1
THE PRODUCT OF G AND 2 IS LESS THAN OR EQUAL TO 6

Chemistry
What is the compound formula for Cation: Na+ and Anion: CN-

chemistry
The radius of a aluminum atom is 143 pm. How many aluminum atoms would have to be laid side by side to span a distance of 4.90 mm?

chemistry
are these two statements true? (a/b)^x = a^x - b^x and (x^a + x^a+b) / (1+x^b) = x^a

Chemistry
When 25.302 is divided by 56.743, the answer should be reported to ____ significant digit(s). The result of the division, 25.302 / 56.743, reported to the correct number of significant digits is _______ When 56.743 is subtracted from 25.302, the result should be reported with ...

Algebra
Find the coordinates of the vertex and determine whether the graph opens up or down. y=-x^2+x-5

Statistics
A certain lottery is won by selecting the correct four numbers from 1,2....30. The probability of winning if the rules are changed so that in addition to selecting the correct four numbers you must now select them in the same order as they are drawn?

Physics
Show that 480 W of power is expended by a weightlifter when lifting a 60-kg barbell a vertical distance of 1.2 m in a time interval of 1.5 s.

Probability
If I have a bag filed with 6 marbles, 2 blue marbles, and 4 yellow marbles, and I had to pick one from the bag, what is my sample space?

Probability
If I have a bag filed with 6 marbles, 2 blue marbles, and 4 yellow marbles, and I had to pick one from the bag, what is my sample space?

Probability
If I have a bag filed with 6 marbles, 2 blue marbles, and 4 yellow marbles, and I had to pick one from the bag, what is my sample space?

Chemistry
Calculate the volume of 1.0 M copper(II) sulfate solution required to completely react with 1.0 g of Fe(s) according to this equation: 2 Fe(s) + 3 Cu^2+ (aq) --> 2 Fe^3+ (aq) + 3 Cu (s). the copper in the reactant has a charge of 2+ and the iron in the product has a charge ...

Anatomy and Physiology II
1. Which answer below includes all the phases of respirations? A. Breathing, pulmonary ventilation, gas transport, and cellular respiration B. Pulmonary ventilation, external respiration, internal respiration, and gas transport C. Inhalation, external respiration, gas transpo...

Anatomy and Physiology II
A 45 year-old female has thyroid disease. Because specific prosperities of the thyroid gland classify it as an endocrine organ, you conclude that this disease is an endocrine disease. Which answer below best describes the properties that classify the thyroid as an endocrine gl...

math
1.) $850 plus 8% on sales of $8,000 2.) $1,200 plus 4.5% on sales of $6,500 3.) You purchase 9 1/2 yards of fabric at $11.00 per yard. If there is a 7% salesb tax, what is the total cost of the fabric

Principles of Management
Riya, a manager, calls a meeting of her subordinates to tell them about the new benefits package.Riya is performing the _______role. A. Disseminator B. Monitor C. Spokeperson D. Negotiator My answer: A 2nd question: Namibia has a law that prohibits foreign companies from owers...

Math
2/12x-3/12=8/12 A. x=5/2 B. x=11/2 C. x=11/12 d. x=11/6 My answer: B

Anatomy and Physiology
Which answer below includes all the phases of respiration? A.Beathing,pulmonary ventilation,gas transport, and cellular respiration B.Pulmonary ventilation, ecternal respiration, internal respiration,and gas transport C.Inhalations, ecternal respiration, gas transport, and exh...

Peinciples of Management
a 31 year old female contracted HIV human immunodeficiency syndrome) Ordinarily harmless infections are deadly to her. Which answer below best explains how her antibody-response (b cell immunity) became weakened even though HIV primarily infects cells involved in T cell immuni...

Medical Terminology
Your boss expects you to stay late to cover the workload of a coworker who is out sick,but you are supposed to help your mother with some work on her house tonight. your are suffering from: 1. role overload 2. role conflict 3. role ambiguity 4. learned helplessness My answer: ...

chemistry
oh ok

chemistry
thanks anyways

chemistry
you cant prove a thing!!!!!

chemistry
i dont know what you are talking about.

chemistry
Which of the following is not an example of a science? geology astronomy astrology ecology

Science
Sarah heated two cubes of aluminum to 50 degrees celsius. Cube B has a volume of two cubic centimeters. If the cubes do not touch each other, which of these statements is true? A. Cube A has a higher temperature than cube B. B. Cube B has a higher temperature than cube A C. Cu...

health
Milk

psychology
how has the definition of social faciliation evolved over time

math
zoomer bix plans to but a microcomputer that costs $690, excluding sales tax. if the sales tax rate is 5 1/2% how much tax will zoomer have to pay

math
3 - 2 x _____ = 1 ? please explain how to answer

math
x+3+7=5(x-4) solve for x?

CHEMISTRY
Use the Nernst equation and data from Appendix D to calculate Ecell for each of the following cells. Enter your answer with 3 significant digits. Enter scientific notation as 1.23E4. (a) Mn(s) | Mn2+(0.11) M || Cr3+(0.24 M), Cr2+(0.11 M) | Pt(s) ____________ (b) Mg(s) | Mg2+(0...

CHEMISTRY
cell diagram:H2(g,1atm) Pt Enter part(a), (c) with 2 siginificant digits and part(b) with 3 siginificant digits. Enter scientific notation as 1.23E4. (a) What is Ecell if the unknown solution in the half-cell on the left has pH = 4.94? ____________ (b) What is Ecell if the unk...

CHEMISTRY
Suppose that you have 0.500 L of each of the following solutions, and an unlimited supply of water. (Note: C9H7NHBr is a salt containing the ions C9H7NH+ and Br− and C9H7N is quinoline, an organic base with pKb = 6.24 at 298 K. If you like, you may represent C9H7NH+ as H...

CHEMISTRY
Ethylamine, CH3CH2NH2, is an organic base with pKb = 3.367 at 298 K. In an experiment, a 40.0 mL sample of 0.105 mol L-1 CH3CH2NH2 (aq) is titrated with 0.150 mol L-1 HI(aq) solution at 298 K. (a) Write a balanced chemical equation for the neutralization reaction upon which th...

CHEMISTRY
The half-cell, Tl | Tl+(1 mol L-1), is connected to a Pt | H+ | H2(1 atm) half-cell in which the concentration of H+ is unknown. The measured cell voltage is 0.0841 V and the Pt | H2 | H+ half-cell is the cathode. Standard reduction potentials are given on the next page. (a) D...

social studies
Which of the following nineteenth-century inventors is associated with Menlo Park in New Jersey a.Gustavus F. Swift b.Cyrus W. Field c.Alexander Graham Bell d.Thomas Alva Edison

social studies
If you were a reform-minded person who, above all, loathed the social problems associated with alcohol, you would have been especially sympathetic to the

Physics
A speed skater moving across frictionless ice at 9.0 hits a 5.1 -wide patch of rough ice. She slows steadily, then continues on at 6.4 . What is her acceleration on the rough ice?

advanced algebra
ms. driva reck drove from her home to a service station at 48 km/h. she returned home by bike at 16 km/h. the entire trip took 4 hours. How far was the service station from ms. reck's home?

3rd grade Math
2468101214161820222426283032343638404244464850525456586062646668707274767880828486889092949698100

chemistry
Which of the following elements is synthetic? uranium iodine helium nobelium

chemistry
How many electrons are in the outermost principal energy level of an atom of nitrogen in the ground state?

MEDICAL RECORD
WHAT IS THE PROCESS FOR HANDLING CLINICAL DAT THAT A DOCTOR NEEDS TO SEE AND WHAT IS THE PROCESS FOR HANDLING ADMINISTRATIVE DATA THAT A DOCTOR DOES NOT NEED TO SEE

maths
Can someone help please? A circular opaque disk, 25 cm in diameter, is set up 30 cm from a circular source of light of diameter 40 cm. A screen is placed 30 cm beyond the opaque disk. Describe, giving dimensions, the nature of the shadow on the screen

maths
i have worked out the diameter of the umbra to be 25 cm, is this correct?....

maths
please help A circular opaque disk, 25 cm in diameter, is set up 30 cm from a circular source of light of diameter 40 cm. A screen is placed 30 cm beyond the opaque disk. Describe, giving dimensions, the nature of the shadow on the screen

math
a circular opaque disk, 25 cm in diameter, is set up 30 cm from a circular source of light of diameter 40 cm. Ascreen is placed 30 cm beyond the opaque disk. Describe, giving dimensions, the nature of the shadow on the screen. Ok, I have drawn a sketch and can say that the sha...

math
thanks for your help

math
Need help..... A child of height 1.2 metres stands 3 metres from the foot of a lamp post of height 2.8 metres, at the top of which there is a small source which can be considered as a point. What is the length of the shadow cast by the child upon the ground?

physics-please help
could i have a clue or a starting point please?

physics-please help
can someone help? i am really struggling

physics-please help
is it D/5.8= 1.2/2.8 D= (5.8x1.2)/2.8 D= 2.48m ??

physics-please help
A child of height 1.2 metres stands 3 metres from the foot of a lamp post of height 2.8 metres, at the top of which there is a small source which can be considered as a point. What is the length of the shadow cast by the child upon the ground?

following previous question
thank you

following previous question
would what the nature of the shadow on the floor be if the point of source of light is replaced by a luminous disc of diameter 5 cm, whose centre lies directly above the centre of the card?

OPTICS/PHYSICS-REALLY DO NOT UNDERSTAND THIS!
thank you what would the dimension of shadow be?

OPTICS/PHYSICS-REALLY DO NOT UNDERSTAND THIS!
thank you would what the nature of the shadow be if the point of source of light is replaced by a luminous disc of diameter 5 cm, whose centre lies directly above the centre of the card?

OPTICS/PHYSICS-REALLY DO NOT UNDERSTAND THIS!
WHAT DOES PI STAND FOR?

OPTICS/PHYSICS-REALLY DO NOT UNDERSTAND THIS!
THANK YOU!

OPTICS/PHYSICS-REALLY DO NOT UNDERSTAND THIS!
A POINT SOURCE OF LIGHT IS PLACED 50 CM ABOVE A CIRCULAR CARD OF DIAMETER 5CM, THE SOURCE BEING DIRECTLY ABOVE THE CENTRE OF THE CARD. WHAT IS THE AREA OF THE SHADOW ON THE FLOOR 70 CM BELOW THE CARD?

OPTICS
PLEASE HELP! A POINT SOURCE OF LIGHT IS PLACED 50 CM ABOVE A CIRCULAR CARD OF DIAMETER 5CM, THE SOURCE BEING DIRECTLY ABOVE THE CENTRE OF THE CARD. WHAT IS THE AREA OF THE SHADOW ON THE FLOOR 70 CM BELOW THE CARD?

maths/physics
PLEASE HELP! A POINT SOURCE OF LIGHT IS PLACED 50 CM ABOVE A CIRCULAR CARD OF DIAMETER 5CM, THE SOURCE BEING DIRECTLY ABOVE THE CENTRE OF THE CARD. WHAT IS THE AREA OF THE SHADOW ON THE FLOOR 70 CM BELOW THE CARD?

maths/physics
PLEASE HELP! A POINT SOURCE OF LIGHT IS PLACED 50 CM ABOVE A CIRCULAR CARD OF DIAMETER 5CM, THE SOURCE BEING DIRECTLY ABOVE THE CENTRE OF THE CARD. WHAT IS THE AREA OF THE SHADOW ON THE FLOOR 70 CM BELOW THE CARD?

science
980

chemistry please help me please!!!
When one student did this experiment, he started with 19.5 mL of 0.118 M monoprotic acid. The endpoint was reached when 17 mL of base was added. What was the concentration of the base?

Geometry
AC and AE are common external tangents of circle G and circle D. FE = 26, GF = 5, and AG =13. What is the measure of AC?

Language Arts
Thanks

Language Arts
Who is Anmol? and I don't know

Language Arts
Seemingly virtuous; showing religiuos devotion P _ O _ S

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