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Rachel

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Jillian must average at least 90 on two quiz scores before she can move to the next skill level. Jillian got a 92 on her first
1. 1 answer
2. 665 views
a+s=19708a+5s=12220 Please help me solve the system of equation and show your work thanks
1. 1 answer
2. 471 views
At 1:00 p.m. a car, traveling at a constantvelocity of 86 km/h toward the west, is 22 km to the west of our school. How far from
1. 1 answer
2. 2,298 views
How much HCL would be needed to neutralize 250mL of 6 M NaOH (HCL = 1.5 M)?
1. 1 answer
2. 396 views
A water balloon was dropped from a high window and struck its target 3.9 seconds later. If the balloon left the person's hand at
1. 1 answer
2. 1,352 views
King Kong carries Fay Wray up the 321 m tall Empire State Building. At the top of the skyscraper, Fay Wray’s shoe is knocked
1. 1 answer
2. 1,512 views
You are hiking out in California and come across an abandoned mine shaft. Wondering how deep the mine shaft is you toss a rock
1. 1 answer
2. 604 views
Assume that you randomly select 8 cards from a deck of 52.What is the probability that all of the cards selected are hearts?
1. 1 answer
2. 921 views
Two sides of a rhombus form a 120º angle. The length of each side is 6 in. Explain how to find the area of the rhombus, and
1. 3 answers
2. 3,477 views
Two sides of a rhombus form a 120º angle. The length of each side is 6 in. Explain how to find the area of the rhombus, and
1. 1 answer
2. 824 views
The lengths of three sides of a triangle are given. Describe each triangle as acute. right. or obtuse. 5, 6,10.
1. 1 answer
2. 437 views
The lengths of three sides of a triangle are given. Describe each triangle as acute. right. or obtuse. square root 5, 3, square
1. 1 answer
2. 527 views
Why do metals tend to be malleable?
1. 0 answers
2. 320 views
The initial velocity of a 2.56 kg block sliding down a frictionless inclined plane is found to be 1.13 m/s. Then 1.08 s later,
1. 1 answer
2. 1,005 views
Two blocks of mass m = 14.9 kg each are fastened to the ceiling of an elevator,The elevator accelerates upward at a = 1.62 m/s2.
1. 0 answers
2. 600 views
A 3.24 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force F=11.8N at an angle
1. 1 answer
2. 1,228 views
A 3.24 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force F=11.8N at an angle
1. 1 answer
2. 1,019 views
A professor drives off with his car (mass 840 kg), but forgot to take his coffee mug (mass 0.37 kg) off the roof. The
1. 1 answer
2. 594 views
A professor drives off with his car (mass 840 kg), but forgot to take his coffee mug (mass 0.37 kg) off the roof. The
1. 1 answer
2. 3,148 views
An object glides on a horizontal tabletop with a coefficient of kinetic friction of 0.65. If it comes to rest after 0.9 seconds,
1. 1 answer
2. 669 views
An object glides on a horizontal tabletop with a coefficient of kinetic friction of 0.55. If its initial velocity is 4.1 m/s,
1. 1 answer
2. 1,540 views
Factor the given expression.a) 6y^2 − 53y − 9 b) Set the expression equal to zero and solve for y. y= (smaller value) y=
1. 1 answer
2. 447 views
can the cubed root of 15x^2, over 3 be simplified any more. (original problem: cubed root of 5/3x) the directions were to
1. 1 answer
2. 602 views
Find the greatest common factor of 12x^2+18x-36
1. 1 answer
2. 835 views
At 1:00 p.m. a car, traveling at a constant velocity of 98 km/h toward the west, is 19 km to the west of our school.How far from
1. 1 answer
2. 555 views
Determine the volumes of 1 M acetic acid and 1 M NaOH required to make a 200mL 0.1 M buffer with a pH of 5.5. (Assume the pKa of
1. 2 answers
2. 534 views
Including a 9% sales tax, an inn charges $127.53 per night. Find the inns nightly cost before tax is added
1. 1 answer
2. 3,587 views
Club A offers a starter fee for $17 plus a monthly fee of $11. Club B offers a starter fee of $23 and a monthly fee of $14. How
1. 1 answer
2. 594 views
evaluate sin (11pi/6) to the nearest thousandth.
1. 1 answer
2. 475 views
A 500 g glass beaker is in thermal equilibrium with 100 ml of 20 Degrees celsius water in it. If a 5 g sample of copper is
1. 2 answers
2. 624 views
How would you make an irreversible isothermal expansion/compression cycle of a gas closer to a reversible one?1. Increase the
1. 2 answers
2. 1,132 views
What mass of barium sulphate can be produced when 100.0 mL of a 0.100 M solution of barium chloride is mixed with 100.0 mL of a
1. 2 answers
2. 1,639 views
Line AB (0,0) is perpendicular to line BN (3,4) in the diagram at the right. Angle B is a 90 degree angle.What are the
1. 1 answer
2. 401 views
Aqueous silver nitrate reacts with aqeous potassium iodide in a double-replacement reaction to produce a precipitate of silver
1. 5 answers
2. 3,124 views
Some quasars (quasi-stellar radio source) have the largest red shifts ever observed. If this phenomenon is due to cosmic
1. 1 answer
2. 655 views
C2H6 --> 2CH3at a temperature where the half-life is 21 minutes. If the initial concentration is 8.0 mM, what would the
1. 1 answer
2. 883 views
how many moles of lead (II) sulfate will be produced when 500 grams of magnesium sulfate is allowedto react with lead (II)
1. 1 answer
2. 607 views
why was amendment 17 significant and how were the state governments represented before this amendment?
1. 1 answer
2. 445 views
In an organic chemistry lab, why is the organic layer usually the upper layer in the separatory funnel while the aqueous layer
1. 1 answer
2. 788 views
Consider the following reaction:6A + 2B 5C + 4D Determine the following rates at a time when the rate of consumption of B is
1. 3 answers
2. 493 views
Suppose that Jane borrows 7800 dollars from a bank on April 24 at an annual rate of 7 percent simple interest. How much does she
1. 1 answer
2. 512 views
In the experiment shown below, you add some salt to water.A = All of the solid dissolves (no solid at the bottom). B = You add
1. 1 answer
2. 1,085 views
Im having serious issues with verifying Trig. identities. Please help! Here is an example:(tanX-secX)^2= 1-sinX/1+sinX
1. 1 answer
2. 706 views
The coordination compound has five stereoisomers (geometric plus optical isomers). Select all that apply...A:NH4[Pt(NH3)Cl3] B:
1. 0 answers
2. 672 views
You isolate an acidic compound in an experiment by first separating it from the organic layer. Then you have a solution
1. 2 answers
2. 633 views
During an experiment involving separation, you forget to label your beakers and you are unsure of which beaker contains the
1. 2 answers
2. 868 views
I need to find f24. I know F23=28657 and f25=75025. I have figured out that F24 is 46368 using F(n)=F(n-1)+F(n-2).My problme is
1. 4 answers
2. 2,669 views
I posted the question several days ago and Mathmate helped to guide me along. I am just unsure if I do not understand what he is
1. 1 answer
2. 633 views
I understand how to use a calculator to write the decimal point using the golden ratio which is 1.618034 and the conjugate is
1. 1 answer
2. 1,064 views
For any prime number p except 2 and 5, either Fp-1 or fp+1 is divisible by p. If I showed that this is true for p=7, the answer
1. 1 answer
2. 633 views
A .1360 g sample of a mixture of magnesium and calcium carbonates when treated with HCL evolves 32.25 cm cubed of carbon dioxed
1. 1 answer
2. 1,006 views
What is the pH of a solution prpared by mixing 50.0 ml of .200 M HCLO4 with 10.0 ml of .100 M KOH
1. 0 answers
2. 464 views
A rope attached to an engine pulls a 240 Newton crate up an 14.7 degree ramp at a constant speed. The coefficient of kinetic
1. 1 answer
2. 1,290 views
What is the defining characteristic of the troposphere?(Straight forward answers please & thank you)
1. 2 answers
2. 1,060 views
A thunderstorm tends to be more severe and have a longer duration if the axis of the storm is: tilted, perpendicular to the
1. 0 answers
2. 919 views
How is a mid-latitude cyclone formed:thunderstorms on the west side of an occluded front, frontal systems in association with
1. 0 answers
2. 1,220 views
which 2 would create a low pressure at the surface? warm temp., cold temp., air moving through a terrain constriction, or air
1. 0 answers
2. 489 views
How is a mid-latitude cyclone formed
1. 1 answer
2. 629 views
When will a thunderstorm tend to be more severe and have a longer duration in reference to the axis of a storm.
1. 0 answers
2. 1,063 views
Winds blow whenever there are: cold temperatures, pressure inequalities in the atmosphere, or the earth rotates on its axis
1. 1 answer
2. 457 views
When a hurricane approches a costal area the damage from the storm surge is greater if it occurs: low tide, high tide, tide
1. 0 answers
2. 509 views
why do fall winds always warm as they descend the lee side of a mountain
1. 2 answers
2. 419 views
I have 2 questions.1.) Is there a powder that just contains insoluble fiber. I know that Benifiber and many other products
1. 0 answers
2. 1,369 views
Find dy/dx by implicit differentiation.cot(y) = 4x − 6y
1. 1 answer
2. 930 views
Which of the following statements are false regarding using a solid drying agent? (select all that apply)a) Water can be present
1. 1 answer
2. 778 views
Which of the following statements are true regarding suction filtration? (select all that apply)a) Product should always be
1. 3 answers
2. 1,815 views
A certain car is capable of accelerating at a uniform rate of .94m/s^2. What is the magnitude of the car's displacement as it
1. 0 answers
2. 534 views
Answer the following two questions about the equivalence point for the titration of 27.8 mL of 0.235 M hypobromous acid (pKa =
1. 1 answer
2. 962 views
Answer the following two questions about the equivalence point for the titration of 27.8 mL of 0.235 M hypobromous acid (pKa =
1. 1 answer
2. 591 views
A buffer that is 0.271 M in acid, HA, and 0.150 M in the potassium salt of its conjugate base, KA, has a pH of 2.85. What is the
1. 1 answer
2. 1,110 views
A buffer that is 0.271 M in acid, HA, and 0.150 M in the potassium salt of its conjugate base, KA, has a pH of 2.85. What is the
1. 1 answer
2. 470 views
y< x/2 -6How do I make this into a table and then into ordered pairs?
1. 0 answers
2. 384 views
The output is 6 less than one-half of the input
1. 1 answer
2. 433 views
What is Delta H rxn for the following chemical reaction?H2O(l) + CCl4(l)-> COCl2(g) + 2HCl(g)
1. 2 answers
2. 5,215 views
What is it called when b=d and r=0?A. iteroarity B. semelparity C. zero population growth D. cohort E. a survivorship curve I
1. 2 answers
2. 578 views
What tools are in a "writing toolbox"?
1. 3 answers
2. 777 views
Need help identifying 15 medical terms that would be unfamiliar to non-medical persons. Also providing singular and plural forms
1. 1 answer
2. 1,227 views
VERY URGENT! PLEASE HELP SOLVE!tan(x)+1=sqrt(3)+sqrt(3)cot(x)as well as sin(2x)= 2 cos^(x) 4cos2(x) = 8sin(x)cos(X)
1. 1 answer
2. 719 views
I am having troubles finding all 10 mistakes and need some help.Inpatient Progress Report Attending Physician: Moreover, Cindy
1. 14 answers
2. 1,289 views
True or false, the healthiest position to sleep on for the baby while you're pregnant is on your back
1. 1 answer
2. 552 views
How many teeth does a child have and how many teeth do adults have?
1. 1 answer
2. 497 views
1. The last stage of a giant star is ____2. The path of a satellite is called ____ 3. The size of the Sun is the result of the
1. 1 answer
2. 486 views
Two students are on a balcony 20.5 m above the street. One student throws a ball (ball 1) vertically downward at 11.1 m/s; at
1. 1 answer
2. 584 views
Calculate the standard cell voltage, Eo, for the following reactions. Include the sign of the voltage in your answers.(a)
1. 4 answers
2. 755 views
2 Ag+(aq) + Fe(s) --> 2 Ag(s) + Fe2+(aq)Which electrode is the anode, and which is the cathode. and In which directions do the
1. 1 answer
2. 1,699 views
Mary and Celia open a boutique, they hire independent contractors. When they are not selling Mary and Celia want the I.C's to do
1. 0 answers
2. 531 views
Evaluate the integral. HINT [See Example 2 and 4.] (Remember to use ln |u| where appropriate.)(1/v7 + 5/v) dv
1. 3 answers
2. 443 views
Find f(x) if f(1) = −1 and the tangent line at (x, f(x)) has slope7ex + 6.F(x)=
1. 1 answer
2. 1,137 views
Use fundamental theorem of calculus:Int(pi/2_pi) of e^(sin(q))*cos(q)dq
1. 1 answer
2. 645 views
In the following reaction, how many grams of ammonia (NH3) will produce 300 grams of N2? 4NH3 + 6NO d 5N2 + 6H2O
1. 1 answer
2. 627 views
This is not in order. Please put the story about "The wishing well in order"1. Today is a particularly busy day at the well. 2.
1. 2 answers
2. 603 views
What do you think is the moral of the story Tao of Forgiveness?Thank you :)
1. 2 answers
2. 518 views
determine one value of c that allows the trinomial cy^2 + 36y - 18 to be factored over the integers
1. 1 answer
2. 454 views
how to you solve: the radius of circle Z is 13.5 units long. Find the length of each arc for the given angle measure. if the
1. 1 answer
2. 740 views
Hey, we covered limits at the beginning of the year, but I cannot remember how to do them at all.>>>what is the limit, as x
1. 1 answer
2. 927 views
Jerry will receive the following payments: 946 in year 3, 929 in year 5 and 958 in year 9. What is the purchasing power of the
1. 0 answers
2. 550 views
Tom plans to gamble each year for the next 20 years, starting at at the end of year 1. If he loses 4.47 dollars in odd years
1. 0 answers
2. 508 views
Consider a project with a positive rate of return. Suppose the discount factor solutions to the equation which determines the
1. 0 answers
2. 486 views
Hydrogen and carbon dioxide react at a high temperature to give water and carbon monoxide.H2(g) + CO2(g) --> H2O(g) + CO(g) (b)
1. 0 answers
2. 736 views
An equilibrium mixture of the following reaction was found to have [COF2] = 0.255 M and [CF4] = 0.118 M at 1000°C. What is the
1. 1 answer
2. 1,769 views

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