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susan
Questions and answers by
susan
, page 2
Questions (240)
dy/dx of the following:
x^2y^2=2/x^2 [ans:-1/x^4y -y/x]. i need the calculation work.
1 answer
301 views
a hard H20 contains 0.0085% Ca by mass(form Ca+ ions).How much H2O(g) contains 1.2g of Ca?
4 answers
2,162 views
how to find the slope of the curve 17x^2+12xy=100-8y^2 at the point where y=1.
-i already d/dx but i didn't know how to find the
2 answers
1,125 views
A solution prepared by dissolving 20.2 mL of CH3OH in 100mL of water @ 25 celcius. The final volume of the solution is 118 mL.
1 answer
535 views
lily left house at 11.43 am and travelled to town, a distance of 31km. She arrived there at 12.09pm. What was the average speed
1 answer
306 views
side of the cube increasing at rate of 6 cm/s. find the rate of increase of the volume when the length of a side is 9 cm.[ans
4 answers
1,558 views
use the given information to find the minimum sample size required to estimate an unknown population mean. Margin of error/;
3 answers
1,728 views
3. Simplify. 2y+y^2-xy-(xy-y+3y^2)
1 answer
269 views
4. Solve . 16-2(8w-7)=3w-18(2-w)
1 answer
283 views
The second angle of a triangle is 4 times as large as the first. The third angle is more than the sum of the other two angles.
2 answers
567 views
Write the slope-intercept equation for the line with slope -2/3 and y-intercept (0, 3) and graph the line. Please show all of
4 answers
906 views
in Williams Blake's poem the chimney sweeper the metaphor coffins of black represents?
a) innocence b)chimneys c)daffodils d)the
2 answers
589 views
A projectile of mass 0.840 kg is shot straight up with an initial speed of 22.9 m/s. (a) How high would it go if there were no
1 answer
472 views
if home plate is 60.5 feet from the pitcher's mound, find the distance from the pitcher's mound of a major league baseball field
4 answers
1,117 views
I asked my teacher for a hint and he said that the pitcher's mound is not the radius. Am I supposed to assume that a side of a
3 answers
1,200 views
simplify before multiply explain and show all steps
1 answer
328 views
4. one joule per second is equal to one---
5. Joules per second is an alternative unit use for expressing---- 6. A typical
2 answers
552 views
Which of the following is one of the steps for successful inclusion?
1) Use every inch of space in designated areas. 2)Organize
2 answers
540 views
Two satellites are in orbit around Mars with the same orbital radius. Satellite 2 has twice the mass of satellite 1. What is the
2 answers
563 views
if 50.0 mLs of HCl of unknown concentration is titrated to neutrality with 90.0 mL of .650 M NaOH. calculate the molarity of the
1 answer
437 views
if 50.0 mLs of HCl of unknown concentration is titrated to neutrality with 90.0 mL of .650 M NaOH. calculate the molarity of the
3 answers
444 views
a steel cylinder with nitrotgen hydrogen and ammonia gases is at 500C and 5.00 atm if patrtila pressure of nitrogen is 1850 mm
2 answers
1,149 views
human body is 255 square inches what is the total weight of the atmosphere on a human body expressesd in pounds
2 answers
601 views
A 10.0 g sample of carbon monoxide, a poisonous gas produced by the incomplete combustion of hyrdocarbons, occupies 15.0 l at a
2 answers
636 views
A 10.0 g sample of carbon monoxide, a poisonous gas produced by the incomplete combustion of hyrdocarbons, occupies 15.0 l at a
4 answers
974 views
Help me with this problem i do not get it?
A light wave can travel the earth to the moon in 1.3 s. the distance to the moon is
3 answers
545 views
Compare European settlements in New England, the Middle Colonies, the Chesapeake, and the South in terms of goals, governments,
1 answer
407 views
A budget systems model is the foundation from which budgeting systems can be used to evaluate the success of an agency or
2 answers
584 views
what is your final velocity after 680 meters if you start out at 90km/hr and acceleration is 9 m/s
1 answer
310 views
A bank teller had $2750 in ten-dollar bills and five-dollar bills. He had twice as many ten-dollar bills as five-dollar bills.
4 answers
1,491 views
its me again i really need help right now, my homework is for tomorrow can somebody answer it pleaseeee
1 answer
388 views
John Sullivan earned 101250 selling real estate in 2010. If his average commision was 3750 per unit sold, how many pieces of
1 answer
431 views
There are 18 bikes in a bike rack. There are 4 more blue bikes than yellow bikes and 2 less yellow bikes than green bikes. How
7 answers
1,957 views
Write two original sentences for each of the following seven sentence patterns:
1.S-V-DO (includes S-V-DO-OC) 2.S-V 3.S-V-IO-DO
7 answers
2,008 views
solve 26-3*2
____________ 4^4 + 3^4
2 answers
889 views
97 students take history and 124 take english. there are 43 of these students who take both history and english. what is the
2 answers
626 views
A child 4 feet tall casts a shadow 6 feet long. A nearby tree casts a shadow 27 feet long. How tall is the tree?
3 answers
862 views
aaron is 13 years older than shelby. in nine years aaron will be twice as old as shelby. how old is shelby?
1 answer
321 views
Joyce has made 8 of her last 12 free throws. What is the probability that she will make her next two free throw shots?
2 answers
644 views
The young appearing patient went to the doctor's office.
1 answer
491 views
Tell whether each of the following is true for all sets
A, B If false, give a counterexample. A
1 answer
317 views
Tell whether each of the following is true for all sets
A, B If false, give a counterexample. a. A-B= A-0 (with slashed O) b. AUB
2 answers
557 views
The amount of money in cents in a jar containing some nickels and d dimes and some quarters if there are 4 times as many nickels
5 answers
8,601 views
The following sets of ordered pairs are functions. Give a
rule that could describe each function. A.{(5,3),(7,5),(11,9),(14,12)}
1 answer
470 views
Does the diagram define a function from A to B? Why or
why not? A B Al Mary Abe Hall Sue Bob Jesse hall Liz arrow from Al to Abe
1 answer
400 views
If a person made .89 each and every week
for 7 years. How much would he have made?
1 answer
316 views
Rewrite the following using mathematical symbols:
a. Q is equal to the set whose elements are a, b, and c. b. The set containing
1 answer
835 views
Tell whether each of the following is true for all sets
A, B, or C. If false, give a counterexample. c. A�¿(BUC) = (A�¿B) UC
1 answer
378 views
Determine all possible digits to fill in the blanks to make each of the following true.
a) 9 482__ b) 6 24__35 c) 4 63__
2 answers
603 views
14) Factor each of the following expressions
a) 9x2 – 3x b) 4x2 – 9
2 answers
1,062 views
The autonomic nervous system manages our ________.
A. Heart rate B. Blood pressure C. Body temperature D. All of the above
3 answers
458 views
Is the thalamus located lateral of the temporal cortex or rostral to the cerebellum? Please provide me a link.
1 answer
349 views
Does the axon or terminal button transmits information to neighboring neuron? I am confused between the two because they both
1 answer
436 views
Information that is chemically coded is transmitted from one neuron to another via
neurotransmitters, terminal buttons, dendrites
1 answer
379 views
simplify the expression.
48/2(9+3)
1 answer
292 views
which expression is the unit rate for 36m/4sec. A)2m/1sec. B)9m/1sec. C)10/1sec. D)36m/1sec
4 answers
294 views
Calculate the variance version of standard error for each sample in Exercise 10.18—for the liberals (2, 1, 3, 2) and then for
2 answers
766 views
Katrina is having new curtains made for a window in her room. she needs 1.56m of fabric. fabric is sold lengths of whole metres
5 answers
574 views
Name a number with decimal hundredths that rounds up to the nearest whole number but down to the nearest tenth
3 answers
848 views
A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill, as the drawing illustrates.
3 answers
1,056 views
A semi-trailer is coasting downhill along a mountain highway when its brakes fail. The driver pulls onto a runaway truck ramp
5 answers
4,357 views
developmentally appropriate practices are based upon knowledge of
3 answers
386 views
In recording the self-reported lengths of a particular body part in a sample of male undergraduates, the largest was claimed to
1 answer
443 views
Assume a $1,000 face value bond has a coupon rate of 8.5 percent, pays interest semi-annually, and has an eight-year life. If
3 answers
2,015 views
use only a compass and a straightedge to construct a segment congruent to CB and angle congruent to U ACB
2 answers
503 views
sonya spent 3/8ths of her money and had 15 dollars left what did she start with
1 answer
338 views
a picture frame 25 kg hung over a nail by a string attatched to two hookes in the upper bar . find tension using parallelogram
1 answer
380 views
a bicyclist rides off a flat roof at 13.4m/s, the roof is 3.6m above the ground, how far from the edge of the building does the
5 answers
asked by
susan
2,050 views
a bus that is traveling at 30.0km/h speeds up at a constant rate of 3.5m/s2. what velocity does it reach 6.8s later?
3 answers
943 views
When physical energy has resulted in a response in a sense organ, it is clear that:
A. perception has taken place. B. the
1 answer
795 views
Young adults in their early twenties spend:
A. ten percent of their total sleep in stage 1. B. 20 percent of their total sleep in
1 answer
461 views
Uncle Billy fell asleep in front of the television again. Five minutes later a noise from the kitchen awakened him. He sat up
4 answers
576 views
Kara heard the noise, but could not understand what was being said. Perhaps it was simply the humming of the machines that she
1 answer
464 views
find a point on the curve x^3 + y^3 =2xy other than the origin at which tangent line is horizontal
5 answers
1,435 views
1. A sample of n=20 has a mean of M = 40. If the standard deviation is s=5, would a score of X= 55 be considered an extreme
1 answer
322 views
1. Consider the following scenario: A random sample obtained from a population has a mean of µ=100 and a standard deviation of
1 answer
476 views
Provide an example from the text or the Internet that demonstrates a situation in which a company’s net profits appeared good
1 answer
396 views
want to bring a weight of 1 kg suspended at a height of 5 feet, slowly down so that it takes 1 min to reach down.how do i make
1 answer
322 views
Do you think that the HIPAA has been effective?
1 answer
369 views
Susan ate part of pizza.She ate more than 1/3 of the pizza. How much of pizza might Susan have eaten?
4 answers
1,000 views
the rate of the fall of an object can be determined by the formula h=1/2gt^2 where h is the height, g is the acceleration due to
4 answers
489 views
a bullet weighing 8.1g is found to have a kinetic energy of 1 kJ, find its velocity
1 answer
424 views
the blood alcohol concentration(BAC)in the uk is 0.08%. A well known formula for calculating BAC percentage is widmarks formula
B
1 answer
516 views
the blood alcohol concentration(BAC)in the uk is 0.08%. A well known formula for calculating BAC percentage is widmarks formula
B
4 answers
642 views
assuming the brain is shaped as a hemispere, find the circumference of the brain if the colume is 1.3KG
1 answer
387 views
assuming the brain is shaped as a hemispere, find the circumference of the brain if the volume is 1.3KG
1 answer
367 views
A plane P cuts a sphere O in a circle that has a diameter of 20. If the diameter of the sphere is 30 how far is the plane from
4 answers
2,816 views
there is a frog inside a well 40m deep.the frog jumps 3m high and falls back 2m . in how many jumps will it come out of the
2 answers
769 views
the melting point of mercury is -39 degree C .the freezing point of alcohol is -98 degree C .how much more is the melting point
4 answers
1,987 views
the temperature at 12 noon was 15 degree C above zero. if it decreases at the rate of 3 degree C per hour until midnight , at
6 answers
2,036 views
there is a frog inside a well 40 m deep. the frog jumps 3 m high and falls back 2m . in how many jumps will it come out of the
2 answers
562 views
at the beginning of the year,Daniel was 62 inches tall. Now he is 66 inches tall. Find the percent of change
1 answer
402 views
Calculate the pH of an aqueous solution
of 11.5 mg of KOH dissolved in 56 mL of solution.
1 answer
451 views
Rank following acids frommost to least acidic:
hydrocyanic acid (HCN) Ka = 6.2 × 10−10 hypoiodous acid (HOI) Ka = 2 × 10−11
4 answers
2,001 views
Urea (CO(NH2)2) can react with water to
form CONH2NH+ 3 and a hydroxide ion. Which statement is true for this reaction?
4 answers
2,638 views
Calculate the [H+] for a solution with [OH−] = −80 M.
1x10*-14/-80=-log(answer) How would I do this since I can not take the
1 answer
353 views
What is the pH of a water solution at 25◦C
in which the hydroxide ion concentration is 9.8 × 10−6 mol/L?
1 answer
402 views
If the pH of an aqueous solution is 5, what is
the OH− concentration?
4 answers
662 views
I counted a total of 40 white and yellow cars. I have 9 times as many white cars as yellow how man white cars do I have?
1 answer
460 views
alica finished the race 3.75 seconds before kaye. donna finished the race 5.09 seconds after carmen. carmen finished the race 10
1 answer
488 views
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