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Posts by Connor

Total # Posts: 188

Math
Says to write a variable expression. An auto repair bill is $220 for parts and $45 for each hour of labor. If h is the number of hours of labor, express the amount of the repair bill in terms of the number of hours of labor. Please help I really don't understand this.

Geometry
Correct. I hope.

History
Yeah sorry Ms. Sue, I accidentally confirmed re-submission when refreshing the page.

History
Hello, just got a sheet that has a couple problems regarding European Medieval history. One of them is to fill out a pyramid hierarchy of the following classes: serfs, nobles, clergy, merchants, monarchs, artisans, and knights I've been looking over the internet and couldn...

History
Hello, just got a sheet that has a couple problems regarding European Medieval history. One of them is to fill out a pyramid hierarchy of the following classes: serfs, nobles, clergy, merchants, monarchs, artisans, and knights I've been looking over the internet and couldn...

AP Physics
The length of the cannon barrel is 1.7 m and the cannon is aimed at a 38?angle from the ground.The acceleration of gravity is 9.8 m/s^2. If Dread Pirate Roberts tells you he wants the ball to leave the cannon with speed V-not = 76 m/s, what mass cannon ball must you use? ...

Physics
You are a pirate working for Dread Pirate Roberts. You are in charge of a cannon that exerts a force 10000 N on a cannon ball while the ball is in the barrel of the cannon. The length of the cannon barrel is 1.7 m and the cannon is aimed at a 38?angle from the ground.The ...

Math 4th grade
i mean less than

Math 4th grade
The answer would be greater than because this is a two part question

Math
A standard football field is 100 yards long and 53 1/3 yards wide. A quarterback is standing on the 25 yard line, 25 yards from the left sideline, throws the ball to a receiver who is on the 35 yard line, 5 yards from the right sideline, as shown in the figure. (a) How long ...

Science
I am doing an extension to get into the AP Biology course offered by my school. This particular extension asked me to use vinegar and baking soda aswell as some basic scientific tools to find the concentration of acetic acid in vinegar. I wanted to know what a procedure for ...

Math
*Edited* (thanks Alex!) In a class, 4/5 of the girls have brown hair. Of the brown-haired girls, 3/4 of the have long hair. Of the girls with long brown hair, 1/3 of them have green eyes. Question: What fraction of the girls in the class have long brown hair?

math
oh haha! Good question. Part A: What fraction of the girls in the class have long brown hair?

math
In a class, 4/5 of the girls have brown hair. Of the brown-haired girls, 3/4 of the have long hair. Of the girls with long brown hair, 1/3 of them have green eyes.

Physics
The guy up there is half right. But you have to take into account the force of gravity as well since the work done by the spring is going to be the energy from the external force and the energy from the force of gravity. So, mg= kx k=mg/0.05 work done is 1/2kx^2 which gives ...

Math
Robert took a math test and got 36 out of 50 correct. What is the percentage of correct answers?

Tagwi
If a glass holds 2/3 cup of milk and a pitcher has 8 cups how many glasses can be filled from the milk in the jug

History!
And, does these characteristics still hold true today?

History!
In America! It's American Histor, so East and West of the United States

History!
During the late 1800s, what were the major characteristics of the East and the West?

Chemistry
3.90g sample of Al with an unknown initial temperature is dropped into 10 mg of water at 22.6 degrees Celsius. What will the change in temperature be of the Al if its final temperature is 28.6 degrees Celsius?

math
7=-2/v+4 solve for v

physics
a ball tossed up at a rate of 8.7 ms/ and catches the ball at the same place on the way down. How long was the ball in the air?

Geometry
What is the Midpoint of CD given the coordinates C(-4,8) and D(8,-4)?

English
Im thinking that it is the second choice.

English
Which sentence is punctuated wrong. Who borrowed Celeste biology books? Who borrowed Celeste's biology books? Who borrowed Celestes' biology books? Who borrowed Celestes's biology books?

Biology
Which organ systems help deliver oxygen to body cells? I think that its the enodcrine and lymphatic systems the other choices are A.respitory and excratory B.muscular and immune systems C.respiratory and circulatory systems

English
I don't Know what they are that's why I was hoping you could help me, Im puzzled on these hw questions

English
Is 18 C 19.A 21.D

English
A B B C

English
18. Identify the sentence that relies most strongly on emotional language. A. If this project isn't successful, you will receive a low grade. B. If this project does not succeed, it will be on your head. C. You will be held responsible if this project does not succeed. D. ...

English
@Ms. Sue

English
Logos

English
Which of the following is used when a political activist reminds others of the trials and tribulations facing the nation if change does not occur? A. ethos B. pathos C. logos

English
Identify the sentence in which the underlined pronoun is used incorrectly. A. There are only six days left in the school year. B. It will be fun to visit their house in the summer. C.Their just going to have to wait to see the movie. D. Greg refused to go there because of the ...

math
Box A: 2(8x3) + 2(8x6) + 2(3x6) 2(24) + 2(48) + 2(18) 48 + 96 + 36 = 180in2 Box B: 2(10x3) + 2(10x4) + 2(3x4) 2(30) + 2(40) + 2(12) 60 + 80 + 24 = 164in2 Box A: 180 x 0.03 = 5.40 Box B: 164 x 0.03 = 4.92 5.40 - 4.92 = $0.48 Answer: Box B - $0.48

calculus
A cattle rancher wants to enclose a rectangular area and then divide it into six pens with fencing parallel to one side of the rectangle (see the figure below). There are 540 feet of fencing available to complete the job. What is the largest possible total area of the six pens?

English-Please Help
Tysm answer

Math
Hi, thanks for help in advance. Using the Equation: f(w) = 10/w - 0.77ln(w) – 3.2 How do i use Newton-Raphson iterative to find the required value of w correct to 3 significant figures, starting from w0 = 3. Thanks

Math
Train A leaves Tigerville at 9 am traveling east at 85 mph. Train B leaves Liontown at 9:20am travelling west at 60 mph on the exact same tracks. Tigerville and liontown are 154 miles apart. At what time will the trains meet?

Algebra
Train A leaves station at 9am traveling east at 85 mph. Train B leaves station at 9:30 am traveling west. Both train are on the same track. At what time will they meet?

physics
There are two pit balls equally charged and each with a mass of 1.5g. While one ball is suspended by a thread, the other is brought close to it and state of equilibrium is reached. In that situation,the two balls are separated by 2.6cm and the thread attached to the suspended ...

Physical Science
Most what use fuel or electricity as a source of energy

Pre-Calc
At a swim meet, a parent is videotaping his son from a seat in the stands that is 20 meters past the starting line and 8 meters away from his son's lane. Let x represent the distance the son has swum. a. Write x as a function of (theta). b. At what angle does the parent ...

Science
What volume of 0.050M sodium hydroxide is needed to react with 25cm3 of 0.068M ethanoic acid?

Geography
How has mexico's culture been shaped by conflict among other people?

Math
thank you so much Frank!!

Math
A photocopy was made of Julie's watercolor painting. the photocopy resized the painting so that it measured 4 inches wide by 7 inches long. If the actual painting is 16 inches wide, what is the length?

Calculus
A marble is dropped from the top of the empire state building. a. Determine the position and velocity functions for the marble b. What is the average velocity for the first 3 seconds of flight? c. Whatisthespeedofthemarblewhent=0? t=3? t=6? d. How long does a person looking up...

Calculus
Joshua jumps from a platform diving board that is 32 feet above the water. The position of the diver can be modeled by s(t) = -16t2+16t+32, where s is his position and t is the seconds that have gone by since he jumped. When does the diver hit the water, and what was his ...

Statistics
12 cards are drawn with replacement from an ordinary deck of 52 cards. What is the probability that 4 queens of hearts, 4 aces of spades, and 4 kings of clubs are drawn?

Statistics
The question also asks for a Venn diagram to explain the answer.

Statistics
If P(A/B)=1 must A=B?

Differential Equations
Classify the following differential equations as linear or nonlinear: 3x' +5x=7t^2 4x^2+2x+5tx=0

College Algebra
60 feet by 40 feet

Math
54

math
James swims 3/4 miles 5 times a week. How far does he swim in one week.

Chemistry
Benzene has a heat of vaporization of 30.72kJ/mol and a normal boiling point of 80.1 ∘C. At what temperature does benzene boil when the external pressure is 480torr ?

Math
Thanks man!

Math
Find the number of elements in A1∪A2∪A3, supposing that there are 103 elements in A1, 992 elements in A2, 10011 elements in A3, in each of the following situations: (a) The sets are pairwise disjoint, that is, no pair has common elements, that is, the intersection ...

Chemistry
A 2.6 g of a substance that looks like gold needed 9.4 J of heat energy to raise its temperature from 20 to 38 ºC. Is the metal pure gold?

Physics
Hello bobpursley, can you get someone like yourself to help me with my physics problem which is posted right below this question

Math/Science
Then how would I find the toatl displacement from starting point?

Math/Science
An ocean liner is traveling at 5m/s. A passenger on deck walks towards the rear of the ship at a rate of 4m/s. After walking 30 meters, he turns right and walks at a rate of 4m/s to the rail, which is 12 meters from his turning point. What is his velocity relative to the water...

Chemistry
FeCl3(aq) + K2S(aq) Fe2S3(aq) + KCl(aq) Consider the unbalanced equation above. What is the maximum mass of Fe2S3 that can be produced when 54.5 mL of 0.480 M FeCl3 and 98.5 mL of 0.420 M K2S react?

Chemistry
C2H6(g) + O2(g) CO2(g) + H2O(g) (a) Consider the unbalanced equation above. What is the maximum mass of CO2 that can be produced when 21.0 g of C2H6 and 38.5 g O2 react? (b) If 24.7 g of carbon dioxide is actually produced by the reaction in part (a), what is the percent yield...

Chemistry
What is the maximum mass of the lower molar mass product that can be formed when 83.0 g of solid barium bromide and 20.5 g chlorine gas react?

Chemistry
Al(s) + HCl(aq) AlCl3(aq) + H2(g) Zn(s) + HCl(aq) ZnCl2(aq) + H2(g) Consider the unbalanced equations above. A 0.200 g sample of a mixture of aluminum and zinc metal is reacted with an excess of hydrochloric acid. Both metals react with hydrochloric acid. The sample produces ...

Physics
A fireworks rocket is moving at a speed of 48.4 m/s. The rocket suddenly breaks into two pieces of equal mass, which fly off with velocities v1 and v2, as shown in the drawing. What is the magnitude of (a) v1 and (b) v2? In the image the two pieces are going off in a right ...

Civics
What is the definition of a citizen and where did this concept begin? Please help :)

Physics
A young woman named Kathy Kool buys a sports car that can accelerate at the rate of 4.53 m/s2. She decides to test the car by dragging with another speedster, Stan Speedy. Both start from rest, but experienced Stan leaves the starting line 1.01 s before Kathy. If Stan moves ...

Algebra
Solve for M: 3P = 12C + 10MC

Algebra
y = ax, has asymptote ________ and y-intercept ________.

Chemistry
for the reaction 2NaOH + h2SO4 yieda 2H2O + Na2SO4 if .80 moles of NaOH are used, how many moles of H2SO4 must be used?

Chemistry
For a particular redox reaction NO2– is oxidized to NO3– and Cu2 is reduced to Cu . Complete and balance the equation for this reaction in basic solution. Phases are optional.

Chemsitry
For a particular redox reaction NO2– is oxidized to NO3– and Cu2 is reduced to Cu . Complete and balance the equation for this reaction in basic solution. Phases are optional.

science
What is the formula for friction force

turnford
prove the following 2 cosec 2θ cos2θ = cotθ - tanθ

turnford
prove the following 2 cosec 2θ cos2θ = cotθ - tanθ

Spanish Please help
Will somebody please help or translate these. Thank You 4. Which expression is used to talk about what you have just done? venir de hacer la tarea hacer un viaje acabar de 5. Vengo de la clase. ¿Qué acabo de hacer? Acabas de bailar. Acabas de bailas. Acabas de ...

Spanish help please.
Thnk you so much. Your sure these are right.

physics
a plane flys 350 km south along a straight path with an average velocity of 125 km/h to the south. the plane has a 30 minute layover and then travels 220 km south with an average velocity of 115 km/h to the south. what is the average velocity of the trip

Accounting
When calculating the times interest earned ratio, you you include "interest expense on debt extinguishment" in the interest expense? Thanks!

English
Create a Halloween story by filling in the blanks with adjectives. Remember adjectives are words that describe or tell about nouns. The words in () is my adjective answer I used. You Cannot use an adjective more than once The ____(full) moon was shining down on the _____,(old ...

Math Grade 5
I'm I pretty smart student and the answer is correct. Algebra: 55+x = 4 (7+x) 55+ x = 28 + 4x 27 = 3x x = 9 And if your grade 5 👇🏻👇🏻👇🏻 👇🏻👇🏻👇🏻 Make two columns Mr. Jacob Tony 9 ...

Physical Science
You submerge 100 grams of steel in 200 grams of water. If the steel has an initial temperature of 80°C and the water has an initial temperature of 10°C, what is the final temperature of the system? The specific heat capacity of the steel is 0.15 cal/g•°C

Math
What are the base-five numbers for the base-ten counting numbers 1 to 26?

arithmetic
How is eight hundred twenty-six thousandths written in decimal form?

Economcis
Is GDP calculated by the price of the good with the indirect tax or the price of the good before the indirect tax? For example, if an economy only produces a single $10 good and it is taxed 10%, is GDP $10 or 11$? Thanks!!!

Chemistry
How many milliliters of an aqueous solution of 0.219 M magnesium bromide is needed to obtain 10.1 grams of the salt ?

Chemistry Pretest
86.7%

Dynamics
The rotor is an amusement park ride where a person enters the Rotor when it is stationary and stands against the wall with their back against the wall. The rotor then begins to spin around a vertical axis. After reaching cruising speed, the floor drops away and the patron is ...

Chemistry
Mg +2HCL = MgCl2 +H2 what mass of hydrogen is obtained by adding excess hydrochloric acid to 6g of magnesium

math
Yes

10th grade honors chemistry
1.3 pounds of a material with a density of 3.7 g/mL would occupy what volume in liters?

math
lol thanks

math
the following all-red train and all-green train are equal in length. Do these trains give information about common factors, common multiples, or both?

basic calculus
use the first and second derivatives to find the x-coordinates of all local maxima and minima of f(x)=8e^2x-2x. indicate which of your answers are local minima and which are local maxima.

college algebra
1/2 log 25- 3 log x

Spelling
Can anyone tell me the meaning of the word bade? Example for this sentence:The next morning John got up early and bade Rover goodbye.

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