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Kay
Questions and answers by
Kay
, page 3
Questions (380)
Real Disposable (Billions) Consumption Expenditures (Billions) Savings (Billions)
Income $100 $150 ____________ 200 200
2 answers
541 views
So if mgh=1/2mv^2 and I'm solving for v is my answer going to be v= squareroot of 2* (gravity) 9.8m/s^2* (height) 3.67m?
1 answer
378 views
Find the derivative
y= a^3 + cos^3 X
1 answer
302 views
Maureen is a cocktail hostess in a very exclusive private club. The IRS is auditing her tax return. Maureen claims that her
2 answers
887 views
How do you solve and or what formula do u use to solve this question: A stock that pays a constant dividend of $2.5 forever
1 answer
361 views
how much heat would be required to warm the earth's oceans by 1 degree celcius if the volume of the earths oceans is
2 answers
643 views
Verify that the function f(x)=x^3-6x^2+8x+4 satisfies the three hypotheses of Rolle's Theorem on the given interval [0,4]. Then
2 answers
543 views
Why is a beehive used in the preparation of hydrogen
1 answer
270 views
Two thin and identical steel rods move with equal speeds v=1 m/s in opposite directions and collide longitudinally. The
1 answer
548 views
Suppose the Earth's orbit is divided in two by its minor axis as shown in the figure. How much longer in days does the Earth
1 answer
717 views
A helium ion is at rest in a laboratory when it is put in an electric field of E=2 N/C. An infrared light, of wavelength 2000
1 answer
428 views
A boy is spinning on a chair and holding a paper bag so that it is horizontal, and perpendicular to the axis of the rotation.
1 answer
380 views
Exact solutions for many-body problems are rarely encountered in physics. The following problem deals with a non-trivial motion
1 answer
391 views
How was New England and the southern colonies were alike? How we're they different?
2 answers
958 views
How many distinct real numbers x are true for f(x)=0. Explain.
F(x)=x^2+(1/(500x^2-1000))
1 answer
425 views
Assume that Pelon Inc. has issued a 10 year maturity bond with a yield of 8%. Its coupon rate is 5% and the coupons are paid
1 answer
454 views
Suppose Preun Inc. issues $200 million in 60 day maturity commercial paper at a price of 99.35 par. (commercial paper is like a
1 answer
370 views
Harrison Inc. has issued a zero/ coupon bond with par value of $1000. The bond pays no coupons until the end of the 6th year, at
1 answer
452 views
Optically pure 2-octyl sulfonate, a compound with a leaving group comparable to the tosylate and mesylate groups discussed in
3 answers
554 views
Miriam is four years older than Ricardo. 10 years ago she was 3 times as old as Ricardo was then.
A) How old are they now B)
3 answers
635 views
Solve the system by substitution.
x + 3y = -4 2x + 2y = -8
4 answers
457 views
Suppose that you are in a class of 31 students and it is assumed that approximately 10% of the population is left-handed. (Give
1 answer
714 views
net ionic equation for the following molecular equation. HNO3 is strong electrolyte and CH3COOH is weak electrolyte.
1 answer
765 views
net ionic equation for the following molecular equation. HNO3 is strong electrolyte and CH3COOH is weak electrolyte.
15 answers
3,441 views
what is the net ionic equation for the following molecular equation. HNO3 is strong electrolyte and CH3COOH is weak electrolyte.
1 answer
621 views
write the net ionic equation for the following molecular equation.
2Crl(aq)+3NaCO3(aq) ---> Cr2(CO3)3(s) + 6NaI(aq)
1 answer
413 views
Predict the prdeucts of the following acid/base and precipitation reactions and balance the equations.
Remeber to indicate (s),
2 answers
544 views
Write the net ionic equation for the following molecular equation. HBr is a strong electrolyte. HClO is a weak electrolyte.
KClO(
3 answers
2,874 views
When aqueous solutions of potassium carbonate and magnesium nitrate are combined, solid magnesium carbonate and a solution of
3 answers
4,680 views
Which evidence from the sea floor shows that tectonic plates move?
A) the sea floor is youngest near a mid ridge and farther
14 answers
4,070 views
what is the slope of any line parallel to the graph of 6x+5y=9
2 answers
652 views
What is one difference between the credentials of jerrilyn Jacobs and zlata filipovic?
Jerrilyn jacobs is younger Jerrilyn jacobs
3 answers
465 views
A Super-Duper ball bounces twice its height when it is dropped. Carl dropped a Super-Duper ball from the roof of a 12-foot
3 answers
332 views
nathan wants to go to a hockey game with friends. Tickets are $18, but students can get discounted tickets for $12. They want to
2 answers
822 views
Estimate then record the product
$53 times 4
7 answers
672 views
A penny on its side moving at speed v slides off the horizontal surface of a table a vertical distance y from the floor.
a) Show
3 answers
1,851 views
Show the equation that 100g of 100C steam will completely melt 800g of 0C ice.
1 answer
754 views
Sam pushes crates starting form rest across the floor of his classroom for 3 s with a net force as shown above. For each crate,
4 answers
4,445 views
A description of how client feedback can be applied following an intervention
1 answer
387 views
A spaceship in deep space has a velocity of 4000 km/s and an acceleration in the forward direction of 6 m/s2. What is the
5 answers
988 views
Sue deposited $3000 in a savings account earning 2% interest over 8 years, what was the total interest Sue earned?
3 answers
435 views
A 25.00 mL sample of HCl was titrated with 35.79 mL of 0.250 M KOH. The concentration of the HCl solution is:
4 answers
1,537 views
when titrating 50 mL of .10M H2SO45 with .10 M NaOH, how many mL of NaOH will you have added to reach first equivalence point?
3 answers
527 views
Taylor is purchasing a home for $235,000. She is putting 20% down. She has qualified for a 30 year mortgage at 4.5% APR.
1 answer
446 views
A ladder base is 3 m away from a house, and the fully extended ladder is 5 m long when it leans against the house. How high does
3 answers
654 views
A star is estimated to have a mass of 4.4x1026lbs. It has a diameter of 8.69x105 mi. Calculate the density in g/cm3.
1 answer
321 views
You have a 0.5 M HEPES pH 7, and a 0.5 M HEPES pH 8 solution. How much of each stock solution do you need to make 125mL of a 50
1 answer
396 views
Multi-Step The heights of the starting players for the Davis High School boy's basketball team are 78 1/2 in., 74 in., 71 5/8
4 answers
614 views
How many moles of iron(iii) chloride could be made with an unlimited supply of iron atoms but only 1.81 X 10e23 chlorine atoms?
2 answers
561 views
A rocket has put your spacecraft in a circular orbit around Earth at an altitude of 350 km. Calculate the force due to
2 answers
571 views
Solve.
1.) 7/33y = -56/3 2.) 8/11k = 29/44
3 answers
428 views
The degree measure of the vertex angle is (3x-8). The degree measure for each base angle is (6x-41). What is the value of vertex
5 answers
2,037 views
10x^2=2^x
Hi! How do I go about solving an equation like this? It's meant to be a calculator solution but I'd love to know how
4 answers
489 views
A square has an area of 49 square units. Find the sode length and perimeter of the square.
4 answers
1,925 views
- One cubic foot is approximately 7.5 gallons of water
- A typical garden hose releases approximately 11 gallons of water per
3 answers
574 views
Perimeter of pool is 84ft squared.
The removal charge for tile is $20 per linear foot. Each new 6-inch square tile costs $2. A
1 answer
406 views
State if each number is Rational,Irrational,or not a real number?
1.)square root of 9/16 2.) square root of -9 3.)square root of
4 answers
862 views
The coordinate of a boy running across a parking lot as a function of time is gives as :x�0†3=3t*2 7.2t 28 and
1 answer
402 views
My granddaughter has to do a project about a product she would create and test we've decided on the safetyof white paper napkins
1 answer
345 views
with what minimum speed must a ball be thrown straight up in order to reach a height of 34 meters above the launch position?
2 answers
1,321 views
A man feels anxious and a little sick to his stomach when he walked up to the front door of his old elementary school. School
1 answer
385 views
How do jobs today differ from the Jeffersonian era (agriculture, crafts, shipping)? Does it make a difference in the way
1 answer
400 views
What is the area of a pentagon with sides of equal length, measuring 5v+3?
1 answer
423 views
Create a piecewise function of the following scenario where D(t) is the total distance walked in miles as a function of time T
2 answers
511 views
A Gentoo penguin can swim at a rate of 17 mph. How many miles can a penguin swim in four hours? Use the expression RT, where R
1 answer
466 views
What is osmolarity of a 0.20M MgSO4 solution, which is 50% dissociated?
2 answers
522 views
3fg(,f^2+5f-4)=
1 answer
301 views
A sample of beer is 4.6% by Mass C2H5OH. The density of beer is 0.93 g/mL. What is the molar concentration of C2H5OH in this
4 answers
397 views
Every 1 1/2 on a wilderness map represents 1 mile. If the actual distance between two likes is 10 miles how far apart are the
2 answers
672 views
Which equation represents the situation?
The sum of three consecutive integers is 36. x+(x+3)+(x+3)=36 x+(x+1)+(x+2)=36
1 answer
461 views
Hemlocks are a common type of tree in the northern forests of the United States. In studying one forest, a forester noticed that
2 answers
537 views
Tony owns a personal training business. He makes a total of $500 for every 3 clients he acquires. If Tony is saving to purchase
3 answers
261 views
You are testing a car on the Nevada salt flats traveling 85 m/s. Your parachute deploys and you decelerate at 13 m/s^2. How long
1 answer
419 views
If one person can do a job in 60 minutes and another per can do it in 90 minutes, how long will it take them, working together,
1 answer
428 views
0.5 of peters money is 3.50 how much money has he altogether
1 answer
411 views
Jay can jump rope at a rate of 8 jumps for every 10 seconds . Find the rate
1 answer
433 views
You are buying 4 tickets for a football game on stub hub for tickets are $60 each you have to pay a handling fee of $5 per
4 answers
535 views
In what way was the government of ancient Athens different from that of the United States?
A. Athens was direct democracy in
9 answers
5,468 views
The formula I = PRT where I = Interest, P = principal, R = rate, and T = time is used to calculate the amount of simple interest
5 answers
7,740 views
One-third cup of vanilla ice cream provides about 145 kcal of energy. A typical adult uses about 195 kcal/hr of energy while
2 answers
807 views
An object is sliding along a flat surface with an initial speed of 30 m/s. What must the
coefficient of kinetic friction be
1 answer
502 views
an aeroplane has a mass of 15 tonnes. At cruising speed,air flows over the top of it's wing at 150 m/s and under the wing at
1 answer
509 views
There are 12 more girls than boys in the class. 35 % of the class are boys. How many pupils are there in the class?
1 answer
412 views
Which of the following accurately defines all possible values of p-q if 15≤p≤30 and 7≤q≤19?
The answer is
4 answers
2,883 views
If m percent of 50 is equal to 20 percent of n, then what is the value of m/n?
Thank you!
4 answers
1,377 views
All of the students who took chemistry at Groveton High School last year were juniors or seniors, as shown in the table below.
4 answers
1,012 views
Lindsey and Stephen work at a factory. Lindsey can complete one full job in three hours, and Stephen can complete the same job
4 answers
2,864 views
The function w is defined by w(x)=6+3x. If 4⋅ w(z)=96, what is the value of z?
So is w(x)=w(z)?
3 answers
762 views
The winner of the Kentucky Derby runs the 1.25-mile race in 2 minutes, 2.0 s.
What's the horse's average speed in m/s? A Message
2 answers
521 views
A car travels a straight road at 140 km/h for 30 min then at 90 km/h for 10 min. It then reverses and goes at 90 km/h for 20
4 answers
435 views
A stock car starts from rest at time t=0 with velocity (m/s) increasing for 4.0 s , according to the function Vx=1.4t2+1.1t.
a)
2 answers
703 views
You're approaching an intersection at 50 km/h (13.9 m/s ). You see the light turn yellow when you're 35 m from the intersection.
2 answers
529 views
After solving a difficult physics problem, an excited student throws his book straight up. It leaves his hand at 2.5 m/s from
3 answers
2,130 views
A helicopter rises vertically with a constant upward acceleration of 0.40 m/s2 . As it passes an altitude of 20 m, a wrench
2 answers
841 views
Nick borrowed $7150, to be repaired at an annual simple interest rate of 6.25%. How much interest will be due after 5 years? How
4 answers
1,062 views
Meghan and Sabrina compared the amount of interest they each earned on their savings accounts. Each had deposited $1000, but
3 answers
502 views
Identify six stages of the process of scientific inquiry (scientific method) and explain why the process is not a rigid sequence
3 answers
909 views
Question: A 62 kg astronaut floats outside a 3200 kg spacecraft. She's initially stationary with respect to the spacecraft. Then
2 answers
544 views
6 friends share 5 apples equally. How much apple does each friend have?
4 answers
2,567 views
Anger is a normal emotion that all humans feel at some time. It is important to express this emotion in a healthy way. Which of
4 answers
1,308 views
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