# Posts by Help!!

Total # Posts: 79

**social studies HELPPPP**

Hello Ms. Sue, maybe examples or website links with good descriptions of the question. Thanks!

**social studies HELPPPP**

Compare and contrast the rise and fall of Germany and japan during the period of world war Il . I NEED HELP !!!!!!!

**Language Arts **

6. Poets use imagery and words with different connotations and denotations. In a paragraph, define and provide an example of imagery, connotation, and denotation. Then, explain how poets use these elements to contribute to tone in a poem. Support your answer with evidence from...

**Social studies**

D probably because it looks less monetary

**Social Studies **

Using the image of the front page and the knowledge you attained from the lesson, identify the headlines that could be described as yellow journalism and explain how these headlines and their stories might have played a major role in U.S. involvement in the Spanish-American War.

**English **

In Great Expectation, How did Mrs. Havisham past relationship affect the way she lived? How did her past effect the way she raised Estella

**Social studies**

Yeah can anyone help, I have the same questions.....

**Math**

In mr tarkanian history class each student chooses two of the topics listed in the chart above for their papers. how many different pairs can juliana choose?

**Language arts 8B**

What are the correct answers.

**Science (energy)**

The right answers are 1. B,D 2. D 3. B 4. B. Guarantee you I got a 100% for 8th graders

**math**

Your fav store is having a sale. Would you prefer to get a $10 off or a 10% off coupon? EXPLAIN PLEASE.

**language arts**

"this question asks about your independent reading selection. compare and contrast your independent reading selection with one or two other selections you have read this unit. support your response with at least two pieces of evidence from your independent reading ...

**English**

thank you so much!!

**Geometry**

Can someone please help me!!???????????

**Geometry**

Prove that a line that divides two sides of a triangle proportionally is parallel to the third side. Be sure to create a name the appropriate geometric figures. Paul walks 25 feet away from his house and places a mirror on the ground. He backs 5 feet away from the mirror so ...

**Chem.**

Sorry if I confused you. I miss-wrote my question. My question was: How can I determine the concentration of HCl remaining in the flask. I calculated the # of moles of HCl neutralized by the tablet which was around 0.014 M. I don't understand the steps needed to calculate ...

**Chem.**

Sorry if I confused you. I miss-wrote my question. My question was: How can I determine the concentration of HCl remaining in the flask. I calculated the # of moles of HCl neutralized by the tablet which was around 0.014 M. I don't understand the steps needed to calculate ...

**Chem.**

How can I determine the concentration of HCl remaining in the flask after back titration? Thank you!! I have been given weight of antacid, concentration and volume of HCl and concentration of NaOH. I've done 3 trials and found the average volume of NaOH.

**Calculus (math)**

A tank in the shape of an inverted right circular cone has height 7 meters and radius 4 meters. It is filled with 5 meters of hot chocolate. Find the work required to empty the tank by pumping the hot chocolate over the top of the tank. The density of hot chocolate is δ=...

**Maths**

An observer at the top of a lighthouse 55m Hugh sights a ship at a sea angle of depression of 18°. If the foot of the lighthouse is at sea level how far is the ship from the foot of the light house

**P.E check my answers**

1.Select the community activity that is a healthy choice to promote fitness for all ages A.annual 5K fun run for charity<--- B.annual state fair C.monthly movie in the park D.monthly laser light show at the planetarium 2.Mollie is well respected by her teammates even though...

**PHYSICS**

A velocity selector consists of electric and magnetic fields described by the expressions vector E = E k hat bold and vector B = B j hat bold, with B = 0.0140 T. Find the value of E such that a 670 -eV electron moving along the negative x axis is undeflected.

**physics**

We release an oil drop of radius r in air. The density of the oil is 640 kg/m3. C1 and C2 for 1 atmosphere air at 20∘ C are 3.90 × 10−4 (kg/m)/sec and 0.73 kg/m3, respectively. How small should the oil drop be so that the drag force is dominated by the linear...

**PHYSICS**

An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm. (a) If a 16.0 V potential difference is applied to these plates, calculate the electric field between the plates. kV/m (b) What is the surface charge ...

**physics**

An elevator is stopped at the ground floor. It starts moving upwards at constant acceleration a>0 for 5 seconds. It then keeps a constant speed for 35 seconds. Finally, it slows down with an acceleration of the same magnitude (but opposite direction) −a , until it ...

**physics**

An elevator is stopped at the ground floor. It starts moving upwards at constant acceleration a>0 for 5 seconds. It then keeps a constant speed for 35 seconds. Finally, it slows down with an acceleration of the same magnitude (but opposite direction) −a , until it ...

**8th grade math URGENT**

1 1/4 miles in 2 min and 4 seconds, or 1 3/16 miles in 1 min and 55 sec. Which is greater? $1.60 for 5 min or $19.50 for 1 hour. Which is greater? Look for a pattern in the expressions shown below. Use the pattern to write an expression for the sum of the whole numbers from 1 ...

**MATH**

the measures of the interior angles of a triangle are x,y and 2x respectively. if the triangle is isosceles, what is one possible measure of an angle of this triangle, in degrees?

**MATH**

how is it 200, 300 when it says it is 100 less than twice the preceding number... isnt it 200-100=100x2==200 again? im confused

**MATH**

the first number of a sequence is 200. every number of the sequence after the first is 100 less than twice the preceding number. what is the 5th number of the sequence

**physics**

One day I decide I want to see how high I can throw a rock. I throw a rock straight up in the air and it has a speed of 30 m/s when it leaves my hand. I then realize this was foolish, as I need to get out of the way before the rock comes back down and hits me on the head. How ...

**physics**

Two point charges +q=1 μC and −q=−1 μC with mass m=1 g are fixed at the positions ±r⃗ 0 with |r0|=1 m. The charges are released from rest at t=0. Find the time τ in seconds at which they collide. Hint: Can you do it without integrating ...

**MATHS**

Find the largest possible integer n such that there exists a non-constant quadratic polynomial f(x) with integer coefficients satisfying f(1)∣f(2),f(2)∣f(3),…f(n−1)∣f(n). Details and assumptions For (possibly negative or zero) integers m and k the ...

**MATHS**

How many positive integers n are there such that 10^n≤n^10?

**MATHS**

Find the number of real solutions of the system of equations. x^2−y^2=z y^2−z^2=x z^2−x^2=y

**MATHS**

A simple graph G has 200000 edges and for any 3 vertices v,w,x, at least one of the edges vw,wx,xv is not present in G. What is the least number of vertices that G can have? Details and assumptions A simple graph does not have multiple edges between vertices, or self loops.

**MATHS**

THANKS:D

**MATHS**

ABC is a triangle with a right angle at A. M and N are points on BC such that AM is the altitude, and AN is the angle bisector of ∠BAC. If CN/NB=21, what is CM/MB?

**MATHS**

For a set of numbers T, we say that T has distinct subset sums if all distinct subsets of T have distinct sums. How many subsets of {1,2,3,4,5,6,7,8} have distinct subset sums? Details and assumptions The empty set (the set of no elements) has a sum of 0 by convention.

**MATHS**

A national math contest consisted of 11 multiple choice questions, each having 11 possible choices, of which only 1 of the choices is correct. Suppose that 111 students actually wrote the exam, and no two students have more than one answer in common. The highest possible ...

**Maths**

Suppose a and b are positive integers satisfying 1≤a≤31, 1≤b≤31 such that the polynomial P(x)=x3−ax2+a2b3x+9a2b2 has roots r, s, and t. Given that there exists a positive integer k such that (r+s)(s+t)(r+t)=k2, compute the maximum possible value ...

**Maths**

The number 1000 can be written in several ways as a sum of one or more consecutive positive integers, for instance, 1000=1000 (one summand) or 1000=198+199+200+201+202 (five summands). Find the largest possible number of summands in a representation of 1000 as a sum of ...

**Physics help**

0.733

**algebra!!!! please help me!!!!**

i still dun get it :(

**math**

find the absolute minimum and maximum values of f(x)= x^(2/3) (3+x) on the interval [-2,1] i did a mistake on the other one sorry.

**math**

find the absolute minimum and maximum values of f(x)= x^(2/3) (3+x) on the interval [-2,1] i did a mistake on the other one sorry.

**calculus**

find the absolute minimum and maximum values of f(x)=x^(1/3) (3+x) on the interval [-2,1]

**Math**

What has a product of 320 and a sum of -36?

**Chemistry**

What volume does 0.25 moles of oxygen gas occupy ar STP?

**Chemistry**

What is the molar volume of the gas ammonia (NH³) at STP?

**Chemistry**

If you have 1 mole of baking soda (NaHCO³), then about how many atoms of oxygen do you have?

**Chemistry**

For the theoretically perfect reaction 2H² +O²---2H²O if you react 300 molecules pf hydrogen and 200 molecules of oxygen, how many oxygen molecules will you have that do not engage in the reaction? Answer 50, 100, 150, or 200?

**calculus**

What happened between -4 x log[1 + 3/(14 x)] = and -4 x [3/(14 x) + O(1/x^2)] = How did you get rid of the log? Thx in advance

**calculus**

take the limit as x goes to infinity: (14x/(14x+3))^(4x)

**Thermal Physics, Kinetic Theory of Gases**

Oxygen (O2) has a molar mass of 32 g/mol. (e) Suppose an oxygen molecule traveling at this speed bounces back and forth between opposite sides of a cubical vessel 0.10 m on a side. Find the average force it exerts on one of the walls of the container. (Assume that the molecule...

**art history**

Imagine that you are a prehistoric artist and write a 350 to 500 word story explaining why you are an artist and what the purpose of your art is. Be clear about what time period and location you are from. You may do research about prehistoric art, but be sure to include a ...

**Chemistry**

Never mind. i got it

**Chemistry**

wait but i keep negative values for the moles of HCl because I have a large volume of NaOH unlike the other problems...

**Chemistry**

Thank you so much!!!

**Chemistry**

What is the pH of the solution created by combining 12.30 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? mL NaOH:12.30 pH w/ HCl _________ pH w/ HC2H3O2 _________ What are the pH values if you take into account that the 8....

**Chemistry**

What is the pH of the solution created by combining 12.30 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? mL NaOH:12.30 pH w/ HCl _________ pH w/ HC2H3O2 _________ What are the pH values if you take into account that the 8....

**Chemistry**

well you don't have to be rude!

**Chemistry**

The recommended dosage of iodine-131 is 4.20 \mu{\rm Ci/kg} of body weight. How many microcuries of iodine-131 are needed for a 84.0 {\rm kg} patient with hyperthyroidism?

**Chemistry**

Strontium-85, used for bone scans, has a half-life of 64 {\rm d}.How long will it take for the radiation level of strontium-85 to drop to \frac{1}{8} of its original level?

**Chemistry**

The antacid Amphogel contains aluminum hydroxide Al(OH}3 How many milliliters of 2.00(M}HCl are required to react with 80.0 mL of 1.48 (M} Al(OH)3(s)? Al(OH)3(s)+ 3HCl(aq)to AlCl3(aq) + 3H2O(aq)

**Calculus**

Find the derivative of f. you may simplify before differentiating f(x)= x2-7x+12/x4-8x3+13x2+30x-72

**data**

In how many ways can 12 prizes be divided between 2 people? (combination question)

**math**

is that correct?

**Math**

On th decibel scale, the loudness of a sound, in decibels, is given by D=10log(I/I0), where I is the intensity of a sound barely audible to the human ear. If the intensity of a sound is 10^11I0, what is the loudness in decibels? (please note the I0 is supossed to be I lower 0.

**history**

Who was a democratic liberal during Reconstruction of the South?

**U,S History**

oh thankyou!

**language**

it's not there :(

**chemistry**

Calculate the equilibrium constant for the weak acid, CH3CH2CO2H, if the aqueous solution of CH3CH2CO2H that has an initial concentration of 1.97E-2 M has a [H+] of 5.00E-4. CH3CH2CO2H <=> CH3CH2CO2 + H i know that to figure out the equilibrium constant it is kc = ...

**chemistry**

How do i figure out the electron configuration of Fe(C2O4)3^3- ?

**chemistry**

oh sorry, all of them are in gaseous states

**chemistry**

Calculate the value of the equilibrium constant (Kc) for the reaction shown, if SbCl5 was found to be 5.57% decomposed at 521K when its initial concentration was 7.60M. SbCl5 <==> SbCl3 + Cl2

**Math**

Multiply or divide (a+5)[a(squred)-2]

**Math**

What percent of 120 is 36?

**CHEM!!**

In an experiment 5.57 +/- 0.02 grams of water chemically decomposes into the products hydrogen gas and oxygen gas. The measured mass of oxygen gas produced in the reaction is 4.9320 +/- 0.0001 grams. The hydrogen gas occupies a volume of 6902 mL. Report the density of the ...

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