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Melanie

Questions (184)

I'm at 11s^2 - 6000s - 27500. Could someone show me the steps of using the quadratic formula to find s?
1. 1 answer
2. 48 views
A circle has a radius of $15.$ Let $\overline{AB}$ be a chord of the circle, such that $AB = 40$. What is the distance between
1. 3 answers
2. 74 views
Let $x$ and $y$ be nonnegative real numbers. If $x^2 + 3y^2 = 18$, then find the maximum value of $x + y$.
1. 1 answer
2. 107 views
Let $x$ and $y$ be nonnegative real numbers. If $x + y = \frac{2}{5}$, then find the minimum value of $6x + \frac{3}{5} y.$
1. 1 answer
2. 67 views
In triangle $ABC$, point $D$ is on side $\overline{BC}$ such that line segment $\overline{BD}$ bisects $\angle ABC$. If $\angle
1. 1 answer
2. 97 views
Below is the graph of an ellipse. (Assume that tick marks are placed every $1$ unit along the axes.) Compute the coordinates of
1. 1 answer
2. 68 views
An ellipse intersects the $x$-axis at two points. One intersection point is the origin. If the foci of the ellipse are $(0,2)$
1. 1 answer
2. 68 views
A theme that runs through the poems in this unit is that a sense of pride is important to a sense of self-worth. What do you
1. 1 answer
2. 316 views
hears the question it is asking me Rachel says that when she ran 115 yards, she went farther then Beth, who only ran 327 feet.
1. 1 answer
2. 206 views
Stephanie swims laps every day. The number of laps she swims is directly proportional to the time in minutes. If the constant of
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2. 313 views
which has an effect to georgias climate?
1. 1 answer
2. 249 views
Two cars are travelling east along a straight highway at the same speed. At an intersection, the highway branches and splits
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2. 676 views
Select the boxes in the table to identify the majority religion practiced in each country.Buddhism Christianity Islam Cambodia
1. 11 answers
2. 2,897 views
What is the greatest possible probability in any experiment?A. 9 10 910 B. 1 C. 10 D. 100
1. 2 answers
2. 1,634 views
1.what is one characteristic on this student worka. creation of 3-D art b. creation of cubist art c. exact representation of
1. 9 answers
2. 3,173 views
What is one characteristic of this student's work? ( woman's head by Iris v.)1.creation of 3-D art 2.creation of cubist art
1. 13 answers
2. 9,164 views
can someone help me like ASAP1. 13x - 7 = 136 A. 11 B. 15******* C. 8 D. 9 Am I correct?
1. 11 answers
2. 695 views
Whole numbers from 1-10 that are factors of… 1260Whole numbers from 1-10 that are factors of... 73500 Whole numbers from 1-10
1. 1 answer
2. 713 views
Write the number in two other forms two hundred thirty four thousand one hundred sixty four
1. 3 answers
2. 2,442 views
What is the probability that simple random sample of 50 staff members provides a sample mean leave of 6.5 to 9.5 weeks?
1. 1 answer
2. 601 views
The commute times during rush hour traffic on a local interstate have a mean of 25 minutes and a standard deviation of 5
1. 3 answers
2. 737 views
The commute times during rush hour traffic on a local interstate have a mean of 25 minutes and a standard deviation of 5
1. 1 answer
2. 530 views
Is 20 times 5/6 greater or less than 20?
1. 2 answers
2. 361 views
Why do Oil & Water not mix? I'm so confused (This is just something I wanna know, no multiple choice) also,Ms. Sue, If you see
1. 4 answers
2. 590 views
A waitress Nikia makes three dollars per hour +8 dollars in tips she goes to earn no less than $26 today what is the algebra
1. 3 answers
2. 412 views
Determine the volume of a 0.1 M solution of HCl, necessary to titrate 20 mL of a 0.5 M solution of NH3. The value of Kb is 1.8 x
1. 1 answer
2. 486 views
Determine the variation of the buffer of the problem 1, if 200 mL of the buffer is added 10 mL of a 1.0 M solution of HCl.
1. 1 answer
2. 404 views
Calculate the pH of a buffer made of a 0.4 M of acetic acid and 0.5M of sodium acetate. The Ka for the acetic acid is 1.8 x
1. 1 answer
2. 559 views
What is 5/12 divided by 3/4
1. 1 answer
2. 386 views
Please check my answers1. In the play Crossroads: A Sad Vaudeville, the use of stage directions better helps the reader to
1. 4 answers
2. 4,515 views
A jar contains 5 red marbles, numbered 1 to 5, and 12 blue marbles numbered 1 to 12.a) A marble is chosen at random. If you're
1. 1 answer
2. 7,523 views
At normal temperature and pressure, air has a density of 0.001184 g/mL. What is the mass of air in a room that is 3.93 m by 2.28
1. 3 answers
2. 1,046 views
A solution is 40% acetic acid by mass. Thedensity of this solution is 1.049 g/mL. Calculate the mass of pure acetic acid in 460
1. 2 answers
2. 806 views
The standard disposable propane cylinders for use with camp stoves, lanterns, portable barbecues, etc, contain 355 g of propane.
1. 3 answers
2. 485 views
Which logging category does not appear in Event Viewer by default?A. Application B. System C. Volume D. Security
1. 1 answer
2. 1,182 views
There is a diagram of a running track. The track is made up of two straights and two semicircles. The radius of each semicircle
1. 6 answers
2. 4,203 views
How can i be accurate when assigning oxidation numbers?By this i refer to elements that have more than 1 oxidation # . For
1. 2 answers
2. 521 views
At the grocery store Mr and Mrs Bailey bought 24 apples and 18 pears. Write a ratio in simplest form to compare apples to pears
1. 2 answers
2. 537 views
Hey I just have 1 question.What event caused four additional Southern states to secede from the Union? The U.S. accepted West
1. 14 answers
2. 2,966 views
Josie and Charlotte push a 14-kg bag of playground sand for a sandbox on a frictionless, horizontal, wet polyvinyl surface with
1. 1 answer
2. 614 views
It takes 170 kJ of work to accelerate a car from 21.5 m/s to 27.0 m/s. What is the car's mass?
1. 1 answer
2. 517 views
Propane is used in BBQs and burns according to the following equation: C3H8 + 5O2 -> 3CO2 + 4H2O. If 2.2 moles of carbon dioxide
1. 1 answer
2. 945 views
What is the average linear speed of Mercury about the Sun? (The distance from the Sun to Mercury is 5.80 1010 meters. The
1. 1 answer
2. 628 views
1. Doug earns $10.50 per hour at a restaurant. On Friday, he's been 1 3/4 hours cleaning, 2 1/3 hours doing paperwork, and one
1. 7 answers
2. 1,015 views
On earth, two parts of a space probe weigh 14500 N and 6400 N. These parts are separated by a center-to-center distance of 19 m
1. 1 answer
2. 574 views
A car travels at a constant speed around a circular track whose radius is 2.8 km. The car goes once around the track in 430 s.
1. 1 answer
2. 688 views
A wheel is rotating at a rate of 2.5 revolutions every 3.6 s. Through what angle, in radians, does the wheel rotate in 1.0 s?
1. 3 answers
2. 619 views
The tournament starts with 64 teams playing 32 games and continue until there is only one team left.Come up with a formula for
1. 1 answer
2. 414 views
C3H6O + 4O2 --> 3CO2(g) + 3H2O(g) deltaH= -1790kJthe density of C3H6O is 0.79g/mL. HOw much heat is released by the combustion
1. 1 answer
2. 1,494 views
A sc tourists bureau survey showed that 75 % of those who seek information about the state actually come to visit . The office
1. 0 answers
2. 444 views
A shopper uses a department store gift card to pay for 3 sweaters priced at $27 each. What integer can be used to show the
1. 2 answers
2. 1,358 views
What is the concentration when each of the following is dissolved in 1.50 L of water:a) 3.00 moles of NaCl b) 10 g of KCl c) 110
1. 1 answer
2. 409 views
Determine the simple interestp=6742.75,6.05%, t=90 days
1. 1 answer
2. 527 views
1. How many moles of ammonia NH3 are produced when 0.45 moles of nitrogen N2 reacts?N2 + 3H2 yields 2NH3 2. How many mililiters
1. 1 answer
2. 4,223 views
I need help I'm trying to find a rap to help me with the present and irregular verbs
1. 1 answer
2. 461 views
Given that R is between S and T, find each missing measure.RS=6, TR=4.5, TS=?
1. 2 answers
2. 1,201 views
Ok the question was, what evidence in the declaration is there of religious faith? I put, "We hold these truths to be
1. 1 answer
2. 1,450 views
So for my homework question it asks what reference do you see to Native Americans in the Declaration of Independence? I put:"He
1. 3 answers
2. 581 views
Question about Puritans behavior in Massachusetts?I was given a picture that wont let me post on here. The top picture has a
1. 1 answer
2. 645 views
Myra uses an inverse variation function to model the data for the ordered pairs below.(2, 30), (3, 20), (4, 15), (5, 12), (6,
1. 3 answers
2. 3,865 views
Jordan uses a linear equation to model the data in a table. Which reasoning might Jordan have used in the decision to model the
1. 2 answers
2. 1,846 views
earth is 149 600 000 km from the sun. this distance is equal to 1 A.U (astronomical unit). Mars is seen form earth to make an
1. 1 answer
2. 1,383 views
A sound wave in a solid has a frequency of 15.0 kHz and a wavelength of 0.333 m. What would be the wave speed, and how much
1. 1 answer
2. 3,354 views
Write an equation of a line that is parallel to the line y-3=2(x+5) and goes through the point (5,7)
1. 2 answers
2. 742 views
Three minutes after take-off, and airplane is 5,000 feet in the air. If it ascends at a constant rate, what is the rate of
1. 1 answer
2. 593 views
In 3 minutes I can type 192 words. and in 5 minutes I can type 311 minutes. Find how many words I can type per minute. Help
1. 1 answer
2. 602 views
Solve each system using the method of your choice.1. 7x+2y=17 2. 6x-5y=-9 3. y=4x-8 4. y=2x+10 5. 3x-6y=30 6. y=-6x+34 7. 3x+y=5
1. 4 answers
2. 634 views
A buffer is made from 0.20 M sodium acetate and 0.20 acetic acid. Ka=1.8 x 10^-5. The ph is
1. 1 answer
2. 344 views
Consider the following reaction:I2(g) + Cl2(g) 2ICl(g) o Kp = 81.9 at 25 C. Calculate ∆Grxn for the reaction at 25 C under
1. 2 answers
2. 6,911 views
Calculate ∆Ssurr when a reaction having each of the following changes in enthalpy:a. ∆Hrxn0 = -287 kJ; 298 K. b. ∆Hrxn0 =
1. 1 answer
2. 433 views
only one of each of the following pairs of reactants undergoes a reaction. Complete and balance the equation for the reaction
1. 1 answer
2. 1,601 views
In an experiment with light, Rodney used 6 square polarized filters, 3 in. on a side. What was the total surface area of the
1. 1 answer
2. 671 views
Stephanie serves a volleyball from a height of0.78 m and gives it an initial velocity of +7.7 m/s straight up. How high will the
1. 1 answer
2. 3,411 views
The text, Introduction to Sociology, describes many individuals who have contributed to our current view of sociology,
1. 3 answers
2. 633 views
A solution of H2SO4 was electrolyzed using the inert platinum electrodes.A) Write the balanced half-reactions for the anode and
1. 0 answers
2. 677 views
An object is placed 11 cm in front of a convex mirror of focal length 4 cm. Using the lens equation, find where the image will
1. 1 answer
2. 601 views
A major department store chain is interested in estimating the average amount its credit card customers spent on their first
1. 3 answers
2. 5,450 views
When testing H0: σ12 = σ22 vs. Ha: σ12 ≠ σ22 two random samples of sizes 10 and 8, respectively, are used. The calculated
1. 0 answers
2. 560 views
When estimating a population mean μ, where the population standard deviation σ is known, we can:a. choose a larger z value,
1. 1 answer
2. 1,354 views
A fox fleeing from a hunter encounters a 0.665 m tall fence and attempts to jump it. The fox jumps with an initial velocity of
1. 1 answer
2. 615 views
An archer wishes to shoot an arrow at a target at eye level a distance of 45.0 m away. If the initial speed imparted to the
1. 1 answer
2. 1,839 views
A car traveling initially at +5.7 m/s acceler-ates uniformly at the rate of +0.79 m/s2 for a distance of 262 m. What is its
1. 0 answers
2. 590 views
With an average acceleration of −0.96 m/s2,how long will it take a cyclist to bring a bicycle with an initial speed of 14.8
1. 0 answers
2. 412 views
A window washer drops a brush from a scaf-fold on a tall office building. What is the speed of the falling brush after 2.7 s?
1. 0 answers
2. 730 views
A car travels along a straight stretch of road.It proceeds for 11.9 mi at 58 mi/h, then 29.4 mi at 44 mi/h, and finally 36.9 mi
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2. 865 views
A ball is thrown straight up and reaches amaximum height of 6.71 m. What was its initial speed? The accelera- tion of gravity is
1. 0 answers
2. 435 views
Judy, by chance, spots a potted plant fallingoutside the window at 2.88 m/s . Further down the same building, Judy’s boyfriend
1. 1 answer
2. 431 views
1) A physics book is moved once around theperimeter of a table of dimensions 1 m by 3 m. What is the distance traveled? 2) A
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2. 1,330 views
suppose that sin0=-5/13 and that 0 is a quadrant III angle. what is the exact value of cos0
1. 2 answers
2. 1,136 views
for function f(x)=(x)/x^2-4.1. State the vertical and horizontal asymtopes. 2. Graph this function.
1. 2 answers
2. 969 views
A drawer contains 4 red socks, 3 white socks, and 3 blue socks. without looking, you select a sock at random, replace it and
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2. 2,140 views
The question will first read in English followed by a reading in French.*************************************** If alpha + 2
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2. 575 views
Write 2 arguments in english, one in the form of modus ponens and one in form of modus tollens. Then write the arguments in
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2. 520 views
How much CuSO4.5H20 would you need to prepare 6 grams of copper ammine complex, [Cu(NH3)]SO4.H20?There is only 1 ammonia
1. 1 answer
2. 1,430 views
evaluate the function f(r)= sqrt25-r-6 at the given values of independent variables f(16), f(-x), f(25-2x) and simplify
1. 1 answer
2. 574 views
evaluate the function f(r)= sqrt25-r-6 at the given values of independent variables f(16), f(-x), f(25-2x) and simplify
1. 1 answer
2. 771 views
an electronic manufacturer wants to ship a stereo system. The system includes the following components:1 Receiver 20in. x 8in. 1
1. 0 answers
2. 441 views
If you burn 38.9 g of hydrogen and produce 348 g of water, how much oxygen is reacted?
1. 2 answers
2. 1,592 views
If you burn 38.9 g of hydrogen and produce 348 g of water, how much oxygen is reacted?
1. 0 answers
2. 560 views
How do you find the perimeter of a second polygon given just the scale factor of both polygons and the perimeter of the larger
1. 4 answers
2. 1,261 views

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