# Posts by TIA

Total # Posts: 414

math
Zach works at the local sports store.  He is paid 3% commission for every snowboard that he sells.  If he sells snowboards worth \$3850 during the month, what will he earn in commission for the month?

physical science
a wave traveling in water has a frequeny of 250 Hz and a wavelength of 6.0 m. what is the speed of the wave?

Social Studies
Is she correct? Conexus user btw

chemistry
Help me conclude my lab experiment on formula of a hydrate.with the aim of determine the number of molecules of water associated with a hydrated inorganic salt

Maths
Yes , but how do you get n(n+1)/2? How do you do the working to achieve it? because normally you 1/2 the second difference and square the numbers to get a new sequence and then subtract the new sequence from 3 , 6 , 10.

Maths
Number of red circle shapes used in the patteren : 3 , 6 , 10 The first difference is +3 and + 4 which leads the second difference to be +1 What do I do after this? especially if the 1st difference is 1?

Physics
Okay , but if a block and tackle was used to lift an object why does it use less energy than actually pushing that object up?

Physics
2300 Joules is used to lift a wheelbarrow through 4 meters up an inclined plane into a container. Why does the man use more joules (3500 J) to push the wheelbarrow?

spanish
Second one is A)Unas primas

math
if angle pqr=1 1/2 right angles find the reflex angle pqr

physics
During strenuous exercise, it is possible to exert forces to the joints easily ten times greater than the weight being supported. What is the maximum force of friction under such conditions? The frictional forces in joints are relatively small in all circumstances except when ...

science
An object is placed at a distance of 12 cm from a concave mirror of radius of curvature 16 cm .find the position of the mirror.

chemistry
Consider the reaction below. C3H8 + 5 O2  3 CO2 + 4 H2O How many litres of CO2 will be produced when 10.0 L of O2 are completely reacted with C3H8? Assume that the volumes of the reagents and products are measured at constant pressure and temperature.

chemistry
75.0 mL of a 1.50 M solution is diluted to a total volume of 278 mL. A 139-mL portion of that solution is diluted by adding 139 mL of water. What is the final concentration? Assume the volumes are additive.

chemistry
An aqueous solution of HCl that is 4.000% HCl by mass has a density of 1.0181 g mL−1. What is the pH of this solution?

Global Studies
democracy

Language arts
Proper phrasing is needed when reading aloud to

Language arts 8B

Data analysis
Question 1 Production Rates A manufacturing company wishes to find out whether the productivity of its workforce has increased now that they have a new machine. The factory examined the records for a random sample of 8 hours over the past month. The hourly production rates for...

data analysis- math
Question 1 Production Rates A manufacturing company wishes to find out whether the productivity of its workforce has increased now that they have a new machine. The factory examined the records for a random sample of 8 hours over the past month. The hourly production rates for...

Data analysis
Question 1 Production Rates A manufacturing company wishes to find out whether the productivity of its workforce has increased now that they have a new machine. The factory examined the records for a random sample of 8 hours over the past month. The hourly production rates for...

Art
which of the following best explains why a colorful tulip is not typically viewed as a work of art? A.Tulips cannot be displayed in a gallery. B. Tulips are not lasting objects. (I chose this one) C. Tulips do not have artistic patterns D. Tulips are not human-made.

Math
Thank you so much! I really appreciate it.

Language Arts
No he does not, because it seems that he is saying that even though there is darkness in your life, there will be happiness.

math
Check the first related question below.

Math
I got, 0.5877 and I know that's definitely not correct. What am I doing wrong?

math algebra
1730000

Science
You are correct.

math
is is 4m

math
A rectangular picture frame measures 49 cm by 98 cm. What is the perimeter or distance around the picture frame in meters? m

Math
17.4 is 25% of what number? A. 4.35 B. 52.2 C. 69.6 D. 34.8 my answer is A

math
LeBron scored a basket 72 times out of 150 shots. What percent of his shots did he score? A. 42% B. 50% C. 48% D. 63% My answer is 48% is this correct

math
3/10 is my answer. Is that correct?

math
13/21

math

math
thank you Ms.Sue

math
is that right

math
18/42=12/18

math
Which of the following statements is a true proportion? 18/42=12/18,18/42=9/24,18/42=21/48,or 18/42=118/142

math
thanks

math
What is the answer to this fractions 1/3 + 2/7

Calculus
Starting with an initial guess of x=2, use Newton’s method to approximate (Third root of 7). Stop the iterations when your approximations converge to four decimal places of accuracy. Compare with the approximation provided by your calculator I'm so stuck

Painting
Also the art that is used for this question is the first one in the right side

Painting
My real name is Tia but I'm transgender so my boy name is Justin

Painting
why did painter meissonier place napoleon at the front and center of this art work? The Walters Art museum Baltimore. A. To show his small size B. To show his central importance C. To show his entire figure D. To make wise use of space•• Correct this that is all I&#...

Language Arts
Number one is not correct, but number two is.

math
there is 1/4 cup of lemon juice in each pitcher of lemonade. How many whole cups of lemon juice are there in 12 pitchers of lemonade?

Art
I agree.

Science
You are correct.

math
Factor out the GCF: -(b+a)(c-1)

math
Principle amt(P) = \$40,000 Rate of interest(R)= 7% Time(T) = 2 years Simple Interest (I) = PRT/100 = 40,000*7*2/100 = \$5600 Amount(A) = P + I = \$40,000 + \$5600 = \$45,600

algebra
why are handcuffs like souvenirs?

Math
cos c = cos b * cos a so, he have cos c = √3/2 * 1/2 = √3/4 c = 64.34° = 1.123 radians so, since s=rθ, the arc length of c is 5000 * 1.123 = 5615 km

maths
Do you have any answer choices?

Program planning
It's my opinion, as you said, "what do YOU think". I stated what I think, overall, it's anyone's opinion.

Program planning
I would say either A or D. Overall, I would lean more towards D since the article talks about learning academic content. I apologize if this isn't much help. An article I just read says: "Developmentally appropriate practice, often shortened to DAP, is an approach to ...

English Speech
None of what Reed is saying would help in my opinion. A chart would not show me what their homes look like. Visual aid, by definition, is something that is a picture or video.

English Speech
Right away we can take away all the options that aren't visual aids. So we are left with, Object Photograph Video I don't know how many are allowed to select, but I would say all 3 are good examples.

History
"Harriet Tubman was an African-American abolitionist, humanitarian, and, during the American Civil War, a Union spy. Born into slavery, Tubman escaped and subsequently made some thirteen missions to rescue approximately seventy enslaved family and friends, using the ...

Tech
I agree.

Physics
A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 23.0° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 55.3 kg, and the coefficient of kinetic ...

maths

U.S. History (Ms.Sue)
Southern Democrats are members of the U.S. Democratic Party who reside in the American South and they walked out of the first democrat convention in 1860 because they wanted to secede and there was much opposition! I'm not Ms. Sue, but I hope I helped! :)

English language
Proper nouns have two distinctive features. It will name a specific item. It will begin with a capital letter no matter where it occurs in a sentence. A common noun names people, places, and thing. Every noun can further be classified as common or proper (see above for proper...

Sociology
Agreed. ^

Sociology
D, feeble and foolish.

Algebra
I forgot the first step! When I said combine I meant that you should combine anything in the parenthesis. Which should be 5! Don't know where 4 came from. Then you can continue on.

Algebra
(7+5)+4*13-2 I used the technique PEMDAS P= Parenthesis E= Exponents M= Multiplication D= Division A= Addition S= Subtraction. Combine 7+4 = (12) + 4 * 13 - 2 There's no exponents so we can skip that part. Next is Multiplication = 12 + (52) - 2 Now combine everything ...

History
I agree with Ms. Sue. :)

science
I'd say that the velocity at the beginning of the trip was around V1 = 40km / 1h → by reading the graph and at the end of the trip was V2 = (45 - 57)km / (3.5 - 2.2)h = -9.2 km/h → also estimating from the graph a = (V2 - V1) / t = (-9.2 - 40)km/h / 3.5h = -14 ...

Algebra 2
Let x be the length of the two equal sides. x/4 is length of the base of triangle. let height = h x^2-(x^2/64)=h^2 (using pythagoras theorem, half of base = x/8) (64x^2-x^2)/64 = h^2 h=(sqrt63*x)/8 Area = 1/2 * base* height Area = 1/2 * (x/4) * (sqrt 63 * x)/8 Area=(x^2 / 32...

math
Find f(5) when f(x)= x2+7 ______ x3+5x

Math
3 3/8 4 1/2 divided y 1/2

Math
Thank you so much! At first I had that answer, but then I was told that was not correct. Thank you for clearing it up.

Math
Please help! I am confused about this question and can not seem to get the answer. Thanks! 1) You choose a marble at random from a bag containing eight brown marbles, seven yellow marbles, and one purple marble. You replace the marble and then choose again. Find P(brown then ...

science
I would assume most of the members of the species would die but some would survive.

Math

Math
You are correct. :)

Math
Hi there! I am so confused about these questions if anyone could help that would be great. 1. Simplify. x+5/x^2+6x+5 A) 1/x+1; where x= -1*** B) 1/x+1; where x=-1,-5 C) 1/x-5; where x=5 D) x-5 2. Simplify. x^2+3x-4/x+4 A) 1/x-4; where x=4 B) x-4 C) x-1; where x=1 D) x-1; where...

calculus
dy/dx = k / (y^4) where k is a constant Separate the variables (y^4) dy = k dx Integrate both sides (y^5) / 5 = kx + c where c is also a constant

Math
Yes, I think the answer is C Sasha.

Math
Never mind, I think I got it! Is it C?

Social studies
1) The following, "People want to ensure that Puerto Ricans always identify with the Spanish language and culture." Provides support for which of the following statuses for the country of puerto rico? A) Separate Nation B) U.S. Commonwealth C) U.S. State D) Canadian ...

Math
Diane is putting money into a checking account. Let represent the total amount of money in the account (in dollars). Let represent the number of weeks Diane has been adding money. Suppose that x and y are related by the equation 30x+450=y . Answer the questions below. What is ...

Math
1) What is tan(a) for the triangle shown? BC has a length of 8. BA has a length of 17. AC has a length of 15. The right angle is on the BC sides lower left hand corner. A) 8/15 B) 15/8 C)17/8 D) 8/17 Whenever I try this I get weird answers. I am extremely confused and help ...

Math

Math
1) Solve the equation for p. Identify any extraneous solutions. √p=-1 A) -1 is a solution of the original equation. 1 is an extraneous solution. B) 1 is a solution of the original equation. C) 1 is a solution of the original equation. -1 is an extraneous solution. D) ...

maath algegra 5
force of gravity on Earth is 6 times greater than on the moon. As a result, objects weigh 6 times as much on Earth as they do on the moon. A scientific instrument weighs 34 pounds on the moon. How much does the instrument weigh on Earth

Math
Woohoo, I got it, and solved everything! Never mind this question.

Math
So, I know how to solve it. But how do I check my answer? If anyone could help with that it would mean a lot. Thanks!

Math
A) 2y=√5y+6. Show your work on how you solved it and checked to see if it was right. I know the answer is y=2, but I do not know how to get that. So, If anyone could help me that would be amazing. Thank you!

Math
Thank you so much! I really appreciate all your help.

Math
1) When will the dependent variable in the equation y=√x+4-3 equal or exceed to 4? A) x > or equal to -0.17 B) x > or equal to 45 C) x > or equal to 48 D) x > or equal to 53 2) The function t=√d/16 models the time (t) in seconds that an object has been ...

math help
I got - 18x^7+x^2-9/x^7. If that is not correct please comment the choices, if there is any. :)

US History
No clue? Excuse me? Who knew people were so rude on this site.

US History
It would be the first option "reduced influence of religion on the government". The ayatollahs are radical Shia Muslims. They were/are desperate to inflict Shia Islam at every level on their civilians.

math

English
Are there any choices?

Math
1)How many real number solutions does the equation have? -8x^2-8x-2=0 A) One Solution B) Two Solutions C) No solutions D) Infinitely many solutions If someone could help me with this that would be great since I am confused. Thank you!

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