# Posts by help

Total # Posts: 1,461

**physics**

answer is 57.45 the above equation is wrong

**physics**

A soccer ball was kicked off a cliff that was h = 8.4 m above the ground. The ball was kicked at a speed of 25 m s-1 and an angle of 20 to the horizon. What is magnitude of the horizontal displacement of the ball? Use g = 9.8 m s-2.

**Plz check**

1. Blood type in humans is controlled by ____ alleles with an additional Rh factor that determines _________ . one; color two; positive or negative charge three; shape of blood cells four; phenotype 2. If two people are heterozygous for cystic fibrosis, what are the chances ...

**Maths**

5 is an integer

**Maths**

they're not integer!!!!

**Biology**

i still don't understand itt i need helpp

**Social Studies**

I don't get it Could you give me a reference. PLs

**Social Studies**

17. How are the viewpoints of Turkey's urban and rural population likely to differ regarding the role of women in the society? Explain.

**physics**

nevermind. I got the answer.

**physics**

I got the work net value with kinetic energy formula, 300kJ, and 30% of the carnet efficiency, so I got Q_h which is 1000kJ. When to try to get the mass of gasoline burned using the info, heat of combustion of gasoline 47kHJ/g, which I got 21.28g, but it is wrong. Can anyone ...

**physics**

A car's internal combustion engine can be modeled as a heat engine operating between a combustion temperature of 1500?C and an air temperature of 20?C with 30% of the Carnot efficiency. The heat of combustion of gasoline is 47 kJ/g. Q) What mass of gasoline is burned to ...

**Chemistry**

Write a chemical equation for 48g of gasoeous hydrogen and 320g of gaseous oxygen yield

**Math**

Determine wheter the graphs of the given equations are parallel, perpendicular, or neither y=4x-2 -x+4y=0 neither

**Math**

Determine wheter the graphs of the given equations are parallel, perpendicular, or neither y=-2x+3 2x+y=7 Parallel

**Math**

Determine wheter the graphs of the given equations are parallel, perpendicular, or neither y=x+11 y=-x+2 Neither

**Algebra**

below are the functions of Y=|x| and y=|x| -9 how are the functions related

**Social studies please help**

DOES ANYONE HAVE ALL OF THE ANSWERS? IF SO LET ME KNOW! PLEASE

**Math**

It's B

**Math**

A player has 37 hits in 192 times at bat. Write the player's batting average as a decimal. Round to the nearest thousandth. A. 0.192 B. 0.193 C. 0.197**** My answer D. 0.293 Is it correct

**math ( plane)**

find the equation of the plane passes through the middle point of the join of the points (2,-3,1) and (4,5,-3) and is perpendicular to the line joning the points?

**Algegra**

Thanks Reiny!! I understand now ! haha

**Algegra**

I need help understanding this and possibly how to do it... For the equation Ax + By = C (where A, B, C are real numbers) what is the slope (in terms of the traditional y = mx+ b) and state any restrictions.

**Physics**

You row a boat perpendicular to the shore of a river that flows at 2.5 m/s. The velocity of your boat is 4.5 m/s relative to the water. (a) What is the velocity of your boat relative to the shore? (b) What is the component of your velocity parallel to the shore? (c) What is ...

**calculus**

A positive multiple of 11 is good if it does not contain any even digits in its decimal representation. (a) Find the number of good integers less than 1000. (b) Determine the largest such good integer. (c) Fix b ? 2 an even integer. Find the number of positive integers less ...

**spanish**

CHECK MY ANSWERS PLEASE 1.)b 2.)a 3.)d 4.)d 5.)c

**spanish**

1. What is the correct way to respond to the following question? “¿Haces mucho ejercicio?” (1 point) Sí, haces mucho ejercicio. Sí, hago mucho ejercicio. Sí, hacemos mucho ejercicio. Sí, hacen mucho ejercicio. 2. How would you say...

**math, science**

thank you sooo much i luv u

**math, science**

what are the difference and similarities between math and science

**history**

1) Which group made up the majority of white Southerners? Planters capitalists middle class small farmers 2. Which is the most likely cause of the spike in cotton production in Mississippi in the mid¬ 1800s shown on the chart? the growth in demand for cotton in the North ...

**math**

In covering a distance of 30km.'A' takes 2 hours more than 'B'. If 'A' doubles his speed,he would take 1 hour less than 'B' . find their rates of walking.

**maths need help word problem**

A number is made up of two digits whose sum is 9. If this number is now divided into the number made up of the same digits but in reverse order the result is six-fifths. Find the number? Step plz

**math**

The management of a company is negotiating with a union over salary increases for the company's employees for the next 5 years. One plan under consideration gives each worker a bonus of 1200 dollars per year. The company currently employs 1055 workers and pays them an ...

**Maths**

Given that 3^9 + 3^12 + 3^15 + 3^n is a perfect cube number. Calculate the value of n.

**Heath**

i got 100% anyways so thanks anyways

**Heath**

a d c c d a b

**Heath**

1. Which digestive organ is the last organ food passes through before reaching your stomach? (1 point) pharynx epiglottis esophagus mouth 2. Starches and sugars belong to which class of nutrients? (1 point) carbohydrates fats proteins enzymes 3. A method for assessing your ...

**math**

im going with b

**la**

And anthothr promblem i have is privacy dont tell people where i live that "teacher" can be a stranger my own safty.

**la**

opps sorry for caps

**la**

EXUSE ME UM ITS NOT YOU JOB TO TRACK ME DOWN MAN I DID NOT EVEN MEAN TO INSULT YOU I JUST DONT GET WHAT IM DOING I THOUGHT YOU WHERE SUPPOSE TO ALEAST EXPLAIN IT TO US AND THATS ALL I WANTED YOU TO DO INSTEAD YOU SAY I INSULTED YOU I JUST NEED HELP OK AND WHAT DOES GRIEVOUSLY ...

**la**

ANYONE HELP PLZ I DONT GET IT

**Math**

then what is it

**social studys**

in what way did the russian tsars fail to follow the example of western european rulers

**english**

WHAT IS IT?

**history**

i looked at the link and i didn't find anything

**history**

what did the zipper help invent? Give 2 or 3

**HELP WITH SCIENCE FAST**

1. Most likely, ____ were formed when lava from the moon's interior flooded bowllike regions on the moon's surface. (1 point) maria* highlands craters basins 2. &...

**World History**

4. How are Hindu beliefs related to the caste system in India? A Hindus reject the caste system, offering the hope of nirvana to all. B The caste system is the foundation of Hinduism. C Hinduism urges people to move out of their castes.*** D To Hindus, all existence is ranked...

**World History**

Please Check These And Let Me Know If They Are Right! 1. In what epic poem does the god Krishna teach a prince about duty? A. Bhagavad-Gita*** B Epic of Gilgamesh C Ramayana D Vedas Which religion considers the epic poem about Krishna one of the most important texts? A ...

**Statistic**

P=.0096<..01 is this correct

**Language arts**

ill pass the test anyways but can you at least something. help

**Language arts**

No i need this done soon because i dont hvae a the time seriously.

**Language arts**

CMon can u actually help me plz.

**Language arts**

1. Write an essay in which you analyze the importance of plot events and characters’ actions to the development of a story’s theme. Review and&...

**history**

thank you Miss Sue! 12. A 13. C

**history**

12. Read this excerpt from the U.S. Constitution. To declare War, grant Letter of Marque and Reprisal, and make Rules concerning Captures on Land and Water; To raise and support Armies, but no Appropriation of money to that Use shall be for a longer Term than two Years; -...

**Social Studies**

What motivated most Africans Americans soldiers to fight in the Revolutionary War with the Patriots?

**Social Studies**

How did the French respond when the colonies defeated the British at Saratoga in the Revolutionary War?

**Social Studies**

What was the mistake British General Charles Cornwallis made that ultimately caused his defeat?

**Math Check Answers**

ohh sorry the first was

**Math Check Answers**

1.) D 2.) B 3.) B None of you answers were correct.

**I need help, I'm stuck...what is the correct answe**

What exactly is your question?

**CALC**

Find center of mass of the lamina that occupies the region D and has the given density function ρ. D is the triangular region with vertices (0, 0), (2, 1), (0, 3); ρ(x, y) = 5(x + y) mass=30 Find center of mass

**Social Studies**

Thank You Ms. Sue

**Social Studies**

9. What effect did the capture of Fort Ticonderoga have on the fighting in Boston between the American colonials and the British?

**Ela**

Reread lines 679 - 706. What do the stage directions and dialogue reveal about Mr. Frank

**math trig**

how do you solve arcsin(3/5) without a calculator?

**Statistic**

Gooogness to fit L1. L2. L3 18. .20. 19.2 12. .10. 9.6 14. .15. 14.4 16. .15. 14.4 21. .20. 19.2 15. .20. 19.2 Tie ti 84 X2=1.95. P=X2cdf(195,E99,5)= .8567 is right But I keep get for p.8560 I'm not understanding where I'm going wrong Thank u

**Social studies connexus**

in what way did soviet rule fail to live up to communist theory

**maths**

file:///C:/Users/abuab/Downloads/1MA0_1H_que_20160526%20(1).pdf question 19 what is it called? and how do you work it out

**Calc III**

Find the volume of the given solid. Enclosed by the paraboloid z = 6x2 + 2y2 and the planes x = 0, y = 4, y = x, z = 0

**American Government**

What were the answers?

**Math!!**

1. Which two square roots are used to estimate square root 8? A. 2 and 3 B. 3 and 4 C. 4 and 9 D. 9 and 16 2. Which two square roots are used to estimate square root 42? A. 25 and 36 B. 36 and 49 C. 49 and 64 D. 25 and 64 My answers: 1. B 2. B. Am I right?

**Statistics**

P=8.12E-4<=.01 Why is 8.12 less than .01

**language arts**

i think its b

**language arts**

which is the best paraphrase of these lines from "January"? Fat Snowy Footsteps Track the floor, A)Thick, snowy footprints show where animals walked B)Thick, snowy outlines of feet mark the floor ****** C)Large snow boots lie on the floor of the house D)A fat, snowy ...

**Calc I (@Reiny)**

Im sorry i would help but im not even there in math yet im in 6 grade what grade are you in

**math**

i think that to

**Algebra**

Please check all of my answers and tell me if they are right. 1. What is the simplified form of the following expression? 7m^2 + 6.5n – 4n + 2.5m^2 – n (1 point) A. 9.5m^2 + 1.5n*** B. 4.5m^2 + 1.5n C. 1.5m^2 – 4.2n D. 9...

**CCA MATH**

.Solve the following equation: m – 8 = -14 a.m = -6 b.m = 7 c.m = 26 d.m = -4

**art**

DOES ANYONE HAVE IT!?!?!?!

**Physics**

An airplane touches down at a speed of 55.0 m/s on a runway that is 600 m long. The plane can decelerate at a uniform rate of 2.50 m/s^2. Will the plane be able to stop before the end of the runway?

**Algebra**

Which number is equivalent to 0.45(with line over 45) A. 1/45** B. 5/11 C. 4/5 D. 1/4 Is my answer correct?

**AP physics**

According to the equation a=bc what type of relationship (direct or inverse) exerts between the quantities A and C? Draw a qualitive graph to describe the relation between A and C. Assumeing B is constante.

**Math**

Suppose that an isosceles triangle has two sides of length a and one side of length c. 1) Find the area of the triangle in terms of a and c. Simplify as much as you can.

**Math**

In triangle ABC, a = 12, b = 10, and c = 9 . Find the measure of the largest angle in triangle ABC.

**math trig**

A Ferris wheel with a diameter of 37 meters rotates at a rate of 4 minutes per revolution. Riders board the Ferris wheel 4 meters above the ground at the bottom of the wheel. A couple boards the Ferris wheel and the ride starts. Write a formula for the height of the couple t ...

**Algebra**

Write an equation for a function at has a graph with the given characteristics. the shape of y=|x| is reflected across the y-axis. this graph is then vertically stretched by a factor of 1.5. Finally, the graph is shifted 4 units downward.

**math**

[(8^2- 4) - 6]/6= Please teach me show steps

**Government**

1: how does someone become a member of the supreme court?(1 point) > by popular election and senate approval*** >by judicial appointment and presidential approval >by presidential appointment and senate approval >by senatorial appointment and judicial approval 2: ...

**Ashley**

An athlete performing a long jump leaves the ground at a 27.1 ∘ angle and lands 7.73 m away. 1). What was the takeoff speed? Express your answer using three significant figures and include the appropriate units. 2).If this speed were increased by just 3.0%, how much ...

**Math**

Help me guys pls

**Math**

Suppose that you have three different length of linking cubes as shows below assume that you have as many of these length as you need but you may not take them apart. Can you make each length below using only one clout if it is possible, show more than one way.

**math**

Two planes left the same airport traveling in opposite directions. The first plane left the airport at 2 P.M. traveling at an average rate of 500 mph. The second plane left the airport at 4 P.M. traveling at an average rate of 550 mph. When will the planes be 3100 miles apart?

**9th Grade Biology**

Help

**biology**

What did you get?

**SS**

i just want some help with starting the essay not a ton of websites i have to sort through

**Pre-Cal**

Suppose that cosx= -3/5 and x is in the third quadrant, and that siny= 2/9 and y is in the second quadrant. Find the exact values 1). tan(y/2) 2). cos(x+y) 3). tan(x+y)

**math**

Determine the volume of a candle mould with a diameter of 7cm and height of 13 cm. Round your answer to the nearest 100 cubic centimeters.

**Language Arts**

Alright thanks.