# Posts by K

Total # Posts: 960

Math Trig
A plane's flight path called for it to fly from J to W. W is 200kms due North and 500kms due west of J. Draw a coordinate picture. What bearing will the pilot fly and what distance will he or she go in air kilometers?

math
A planes flight path called for it to fly from J to W. W is 200km due North and 500km West of J. What bearing will the pilot fly and what distance will be traveled in air kilometers. I know to draw and image but that is it.

Math Trig
A plane's flight path called for it to fly from J to W. W is 200kms due North and 500kms due west of J. Draw a coordinate picture. What bearing will the pilot fly and what distance will he or she go in air kilometers?

Math
Pouring concrete into backyard. The patio slab will be 7m long, 2m wide and 10cm deep. How many cubic meters of concrete will you need to fill the patio?

Chemistry
Thanks!

Chemistry
Is my Henderson equation right? 10.15=9.95+log(x/(.059-x))

Chemistry
What volume, in liters, of 1.04 M KOH solution should be added to a 0.116 L solution containing 10.08 g of glutamic acid hydrochloride (Glu, FW = 183.59 g/mol; pKa1 = 2.23, pKa2 = 4.42, pKa3 = 9.95) to get to pH 10.15?

physics
Explain how it is possible for a motorcycle (mass = 250 kg) to have the same momentum as a locomotive engine (mass = 2,500 kg) i though momentum was directly proportional to mass so the more mass the more the momentum? how is it possible then?

physics
A ball (mass 12 kg) moving at 15 m/s in the +x-direction collides with a ball (mass 36 kg) moving at 5.0 m/s in the +y direction. After colliding, the 12-kg ball moves at 6.0 m/s at an angle of 30°above the +x direction. Afterward, what is the speed and direction of the 36...

chemistry
256

Language Arts
1.c 2.a. 3.d 4.b 100% pass

math plz help quick
austin great grammar!

Language Arts
all of them are but number 3

English
fuc.k ms sue

M
A woman spend half of her money on book and give 1 rupee to a man,than she sped half of rest money and give 2 rupee to a man,than spend half rest money give3 rupee to a man.at last 1 rupee left.what amound he have at first

no one gives a fuk about cheating just give the answer dam

23`
eoijwef

English 3
What is the message/theme in "Eulogy" by Brian Turner?

College Accounting
The Thompson Company uses activity-based costing to determine product cost. Three activities and their rates have been calculated as shown below. Setting up equipment = \$500 per setup Moving goods = \$20 per move Machining = \$4 per machine hour Thompson provided the following ...

biology
How does the plant regulate what is able to enter into the stem of the plant? Does it have something to do with the casparian strip?

Calculus
1. integral (x^3 * sqrt(x^2-4)) dx I'm confused on how to start this problem, if I am doing trig substitution.

chemistry
calculate the grams of 1.8% (m/m) NaCl solution that contains 8.00 g of NaCl I tried 1.8 times 8.00g divided by 58.44g times 100 my answer is 24.6g rounded to 2 SF is 25g this truned out to be wrong I'm stumped!

English
Jhon and amy ----- things.(to swap)

physics
1) What average power is required for a runner with a mass of 85 kg to reach a speed of 8 m/s from a stationary start during a time of 2 s? 2) A 1000 kg car travels east at 30 m/s and collides with a 3400 kg truck travelling south at 20 m/s. After the collision the two ...

algebra
🖕🏽

math
For more than 4000 years the Great Pyramid of Giza stood as the tallest structure in the world. After it was completed, the pyramid stood an amazing 481 feet high. Y 9 th. grade math Semester Project: The Great Pyramid of Giza

LA
lol your so annoying beinging mean is not bullying if he dosnt all the time then yea

Chem
How many moles of NH3 must be added to 1.00 L of solution to dissolve 1.39 g of CuCO3? For CuCO3, Ksp = 2.3 × 10-10. Ignore hydrolysis of CO32-, but consider the formation of the complex ion Cu(NH3)42+.

problem and statistics
Positive

math
anne spent half of her money on CDs. After se spen half of what was left on stickers

math
5 square + 7 square =74.5+7=12. So these are the 2 parts.

College Alegebra
a 23 foot ladder is placed against a vertical wall of a building with the bottom of the ladder standing on level ground 18 feet from the base. how high up the wall does the ladder reach?

english
i think mr.bacon needs a medal for helping use get a 100 2 times

math
After 5 years, marcels account earned \$ 600 in interest. If the interest rate is 0.03, how much did marcel initially invest?

math
you must choose the correct answer and then choose the correct solution to get the rigth result never go left you wanna go the rigth way cayse that is the rigth way to go. so always pick the correct solution so the result is positive. Hope this helped if you need more help ...

chemistry
Solid lead(II) iodide was prepared by reacting 65.0 mL of a solution containing 0.218 M lead(II) ions with 80.0 mL of a solution containing 0.265 M iodide ions. If the actual yield of the reaction was 3.26 g, which choice is closest to the %yield of the reaction?

chemistry
In the determination of the molar mass of a volatile liguid a 250ml flask was found to contain 0.250g of the vapor measured at 273c and 760 mmhg pressure. The molar mass is nearest the value

chemistry
A sample of co2 occupies 6.00l at 25c and 700. MmHg. What is the volume of the gas at stp

chemistry
When 40.2g of kc103 is heated what quantity of kc1 is produced

math
I though you Will give me the answer.

chem 200
669 cal of heat is added to 5.00 g ice at –20.0 °C. What is the final temperature of the water?

Chemistry
If 9560 J of energy were absorbed by 500. g of ice at 0.0 °C, what would be the final temperature? Can someone walk me through setting this up?

chemistry
Draw one of the Lewis structure of the N2O5. In each case one oxygen bridges the nitrogens (N-O-N single bond) and 2 other oxygens are bonded to each N. How many equivalent resonance structures are there that satisfy the octet rule and where O makes at most 2 bonds?

Physics
You are driving down a highway at a speed of 20.0m/s when you spot a deer. You quickly slam on your brakes, trying to stop your car in front of the deer. Assume the braking force can be modeled as kinetic friction with a friction coefficient of 0.80. If the deer was 75.0m away...

3370.56?

math
David has a hose that is 27 ft long. He wants to cut it into two pieces so that the longer piece is 3 ft more than 2 times the length of the shorter piece.

science
EVERYONE! -A is a correct! 5/5 THANK YOU

Math
Which algebretic equation correct represents this sentence? 25 is three times a number decreased by 8. A. 25 = 3w - 8 ? B. 3 = 25w - 8 ? C. 3 = 25w + 8 ? D. 25 =3(w + 8) ? a little confused lol.. help? Thanks Everyone So Much

Language Arts
Thanks again to everyone who helped me :)

Language Arts
Okay thank you. So... For "I love to visit Pine Acers, our cabin in the mountains" Circled "cabin" Underlined "Pine Acres" ????

Language Arts
Okay so in English I'm doing "Appositives" I understand the question and I'm just confused a little. Circle the appositives. Then, underline the noun each appositive explains. 1. Sheila, my cousin works in that department store. I circled "Sheila" I...

Science
26.8

im from connexus

Science! Help
If the first child of a couple was without dimples, a recessive trait, what is the chance that the second child will be born without dimples? A) 100% B) 25% C) 50% D) Cannot be determined from the phenotype of the child

Science! Help
LISTEN TO IHateSchoolButGetStrightAs HES RIGHT THANK YOU!

U.S History Honors
Identify the causes of Progressivism and compare it to Populism

128,955 . Round each number to the place of the underllined digit. 8 is the underlined digit

chemistry 101
A patient receives 2700mL of an IV solution containing 4g g of glucose per 100 mL .How much energy, in kilojoules, does the patient obtain from glucose, a carbohydrate? please help I keep getting the wrong answer

chem
A patient receives 2700mL of an IV solution containing 4g g of glucose per 100 mL .How much energy, in kilojoules, does the patient obtain from glucose, a carbohydrate?How much energy, in kilocalories, does the patient obtain from glucose?

Chemistry
Just to clarify- if I would have to mix 100 mL of 36 M solution with 600 mL of distilled water to make a 6 M solution (700 total mL) is that correct, or do I have that mixed up? Sorry for the trouble :(

Chemistry
Question: how do you dilute something with a huge concentration to the same thing with a smaller concentration? For example: How do you dilute a 36 M solution of NaOH to a 6 M solution of NaOH?

chemistry
Suppose you have two 100-mL graduated cylinders. In each cylinder there is 40.0mL of water. You also have two cubes: one is lead(11.3g/ml), and the other is aluminum(2.70g/ml) Each cube measures 2.0cm on each side. After you carefully lower each cube into the water of the ...

chem
but doesn't the lead and aluminum have anything to do with the calculation

chem
Suppose you have two 100-mL graduated cylinders. In each cylinder there is 40.0mL of water. You also have two cubes: one is lead, and the other is aluminum. Each cube measures 2.0cm on each side. After you carefully lower each cube into the water of its own cylinder, what will...

engineering maths
Show that the following curves are intersect eachother orthoganally.r-(1+coso) r-(1-coso)

World Geography
A. was the correct answer.

World Geography
19.With respect to human rights issues in Southeast Asia, which statement is most accurate? A.Both Cambodia and Vietnam carried out ethnic eradication programs against hill people. B.Chinese merchants living in Cambodia and elsewhere have carried out vendettas against hill ...

chemistry
A block of copper of unknown mass has an initial temperature of 66.7 ∘ C . The copper is immersed in a beaker containing 95.5g of water at 20.6 ∘ C . When the two substances reach thermal equilibrium, the final temperature is 26.0 ∘ C .What is the mass of the...

math
At Dora's donut shop, dora makes 15 different varieties of donuts. Seven of these varieties are filled with jelly or cream. Officer sweetooth was sent to dora's shop to choose a dozen donuts, all different, with six filled and six unfilled. How many different ...

history
i do not know what it is someone please help

Language Arts /The Giver
I just took the quiz I got a 100

Language Arts /The Giver

math
Indicate whether the following statement is true or false. If a figure can be translated, then it will tessellate. I say false am I right?

physics
an electron in the second energy level absorbs a photon of energy 6 ev what's the speed of the ejected electron? I have tried to manipulate and use the kinetic energy equation, c= lamba x f, and many other ways, but I don't know why can't get the answer, which is v...

math
Use integers from-3 to 3 to graph the equation. y=1/3|x|-2. Please help me how it would be on a graph

math
I forgot to put use the integers -3 to 3 to graph the equation.

math
What would a graph look like with the equation y=-2(x)2+3.the two next to the x means to the second power. Please help me

math
Your description helped me understand thank you. It is D

math
Is it A

math
The vertices of ABC are A(2,-5), B(-3,5), and C(3,-3).the triangle is reflected over the x-axis.use arrow notations to describe the original triangle and its reelection. A) A(2,-5),B(-3,5),C(3,-3)->(2,-5),(-3,5),(3,-3) B) A(2,-5),B(-3,5),C(3,-3)->(-2,5),(3,-5),(-3,3) C) ...

math
Can't you just tell me if its a,b,c, or d? I'm stressed out please

math
The point C(3,-1) is translated to the left 4 units and up 1 unit.write a rule to describe the translation.what are the coordinates of the image point? A) (x,y)->(x+4,y+1);(7,-2) B) (x,y)->(x-4,y-1);(-1,0) C) (x,y)->(x+4,y-1);(7,0) D) (x,y)->(x-4,y+1);(-1,0) Is it d

math
what is the correct description for the translation of A to A? A(10,3)->A(1,6) a) right 9; up 3 b) left 9; down 3 c) right 9; down 3 d) left 9; up 3 Is it C

math
y=1/3|x|-2 use integer values of x from-3 to 3 to graph the equation. Please help me graph this

math
y= -2x+3.the x has a 2 above it

math
I'm only in seventh grade and I don't understand any of this.what does a parabola look like

math
y=2x^+3 use integer values of x from -3 to 3 to graph the equation. Someone please tell me how to graph this

Alg
order your answers from smallest to largest x, then from smallest to largest y. If there is no solution, enter NO Solution 2x^2+3y^2=48 x^2-y^2=4 (x,y)= ( , ) (, ) (x,y)= ( , ) (, ) (x,y)= ( , ) (, ) (x,y)= ( , ) (, )

statistics
Data were collected on 100 students regarding their class and major. The data are summarized in the following contingency table. What is the probability of randomly selecting a sophomore or an undeclared student?

Alg
A car with good tread can stop in less distance than a car with poor tread. A model for the stopping distance d, in feet, of a car with good tread on dry cement is d = 0.04v2 + 0.5v, where v is the speed of the car in miles per hour. If the driver must be able to stop within ...

graphing
(0,-2)is the vertex- what is the domain and range??? State the domain and range of the function. (Enter your answers using interval notation.)

Criminal law
1. The primary purpose of psychological profiling is to provide: A.the identity of an offender involved in a violent crime such as murder or sex crime. B. absolute information about an offender’s emotional and personality character traits and to immediately direct ...

Social Studies
what

I don't like cheating

Math
Reiny, 16 times 3 is 48. You are wrong.

Intermediate algebra
Can you show the work of how to work this word problem ? A local electronics store will sell 7 ax adapters and 2 rechargeable flashlights for \$86 or 3 ac adapters and 4 rechargeable flashlights for \$84. What is the price of a single ax adapter and a single rechargeable ...

Chem; States of Matter
Thanks! My book suggests that: Steam = [[(175)(4.18)(100)] /1000] + 175(1mol/18.015)(-40.7/1mol) Where -40.7 is the Hvap ... I think. So I'm still super lost with that one weird extra step! Everything else is the same!

Chem; States of Matter
To an insulated container with 100.0 g H2O (l) at 20.0 degrees C, 175 g steam at 100.0 degrees C and 1.65 kg of ice at 0.0 degrees C are added. a) What mass of ice remains unmelted after equilibrium is reached? b) what additional mass of steam should be introduced into the ...

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