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Maddy

Questions (124)

In a poll,145,000 residents of a city were asked to choose their favorite from a list of pets. First decide whether more
1. 0 answers
2. 339 views
in what five ways does "free market" apply to classical liberal economics?
1. 0 answers
2. 225 views
in what three ways does "profit motive" apply to classical liberal economics?
1. 0 answers
2. 208 views
in what three ways does "rule of law" apply to classical liberal economics?
1. 1 answer
2. 259 views
If I have graphed the constant of proportionality, what will the x value be on the graph?
1. 1 answer
2. 247 views
Fe+3 + SCN- ==Fe(SCN)+2 if adding NaOH will form precipitates, but what is the precipitates' formula?
1. 1 answer
2. 439 views
A car travelling 70km/h east changed its velocity to 90km/h east in 4.5s. Determine the magnitude and direction of the average
1. 1 answer
2. 269 views
A car traveling 70km/h east changed its velocity to 90km/h east in 4.5s. Determine the magnitude and direction of the average
1. 0 answers
2. 202 views
Write the function for a cosine graph with an amplitude of five, period of pi over three, a phase shift of negative pie over 12
1. 1 answer
2. 474 views
Define dissociation. Use a diagram to explain why NaCl(s) will dissociate when placed in water.How do I draw the diagram?
1. 2 answers
2. 875 views
An atom has an atomic mass of 32.06 and an atomic number of 16.a. Determine the identity of the atom. b. Determine the number of
1. 2 answers
2. 723 views
Im not sure how to upload my question because it has a diagram and I can't upload pictures or URLs. Is there another way I could
1. 1 answer
2. 304 views
Solve the following system graphically. Verify the solution(s) using substitution.• y=2x^2+3x+1 • y=x+13
1. 1 answer
2. 360 views
As part of a fountain display, two jets of water travel from the surface of an upper pool and meet at the surface of a lower
1. 1 answer
2. 520 views
The x-value of a solution to the system y=-2x^2+8 and 3x-y=-3 isA. 6 B. 2.5 C. 1 D. –4.5
1. 1 answer
2. 337 views
If the range of y= 1/f(x) is {y|y</= or y>0,yER}, then the range of y= f(x)may be?
1. 1 answer
2. 245 views
|ax+b|=cx+dcan someone show me the steps to solving this?
1. 1 answer
2. 239 views
Create a rational expression with a variable m that has non-permissible values of 3 and –1.
1. 1 answer
2. 717 views
Has anyone on here completed the ADLC Math 20-1 course? if so would you mind giving me answers to the assignment portions of
1. 0 answers
2. 553 views
1. Simplify the rational expression (4y^2-4)/(6y^2+2y-4) Identify any non-permissible values2.Create a rational expression with
1. 1 answer
2. 1,312 views
what is the non-permissible value of (5p^2+4)/(p^2-5p+4)
1. 1 answer
2. 257 views
Jules is training for a marathon. She finds that for the first 5 km of her training run, she runsat a constant speed of x km/h.
1. 1 answer
2. 561 views
jonathan is selling cheese at the farmers market.One wheel of cheese has a diameter of 9 inches.What is the area of the wheel of
1. 1 answer
2. 364 views
5-4+7x+1= _x + _
1. 1 answer
2. 291 views
It takes 3.78 J of work to stretch a Hooke’s-lawspring 14.2 cm from its unstressed length. How much the extra work is required
1. 3 answers
2. 3,815 views
In an arcade game a 0.117 kg disk is shotacross a frictionless horizontal surface by compressing it against a spring and
1. 1 answer
2. 740 views
A writer decides to make an emotional appeal in an essay to persuade the audience of his or her opinion?A. a touching story B.
1. 2 answers
2. 446 views
At the mall, Leona bought a T-shirt and a book for a total of $28. The book cost $12. How much did the T-shirt cost?What is the
1. 1 answer
2. 472 views
Lesson 10: Linear Functions Unit TestAlgebra 1 A Unit 6: Linear Functions (Connections Academy) 1.a yes: y=1.2x 2.d no; y does
1. 5 answers
2. 3,778 views
Lesson 10: Linear Functions Unit TestAlgebra 1 A Unit 6: Linear Functions (Connections Academy) 1.a yes: y=1.2x 2.d no; y does
1. 1 answer
2. 1,031 views
An enzyme sample contains 24 mg protein per mL. Twenty µL of this sample in a standard incubation volume of 0.1 mL catalysed
1. 1 answer
2. 562 views
Triangle STR is congruent to triangle XYZ, TR= 14c - 13, and YZ = 10c - 1, Find c and TR
1. 1 answer
2. 1,117 views
The weight an object exerts on a scale varies directly with the mass of an object. If a bowling ball has a mass of 6 kg,the
1. 2 answers
2. 2,377 views
The sum of two numbers is 31. The first number is 5 less than the second. Find the numbers.what?
1. 2 answers
2. 885 views
If 25.0 cm3 of 0.50M sulfuric acid reacted with exactly 12.5 cm3 of sodium hydroxide, calculate the concentration of the alkali.
1. 1 answer
2. 658 views
If 15.0 cm3 of 2M hydrochloric acid reacted exactly with 40.0 cm3 of potassium hydroxide. Calculate the concentration of the
1. 1 answer
2. 566 views
What mass of precipitate is produced when 40.0 mL 0.100M lead nitrate reacts with 30.0 mL 0.100M aluminum sulfate? Assume the
1. 1 answer
2. 502 views
Assume that the reaction was limited by the surface area of the nails, making Fe the limiting reactant. Based on the decrease in
1. 2 answers
2. 680 views
find the intervals on which f is increasing and decreasingf(x)=(x-2)/(X^2-x+1)^2 I found the derivative a got a whole mess of
1. 4 answers
2. 792 views
Prepare 30mL of a stock KI soln by mixing 10.0mL of the 0.03M KI in 0.2M KNO3 with 20.0mL of the .2M KNO3Determine the
1. 1 answer
2. 677 views
A student prepares a soln that is initally 0.006M Pb2+ and 0.00450M I-. This soln is placed into a 1.00cm wide cuvet and
1. 1 answer
2. 612 views
If the concentration of KCN at the equivalence point is 0.1M and the Ka for HCN is 6.2*10^-10 find the pH at the equivalence
1. 1 answer
2. 1,030 views
How many 2's must be multiplied together for the product to be a number between 100 and 200?
1. 2 answers
2. 878 views
Can somebody help me understand batteries?I'll explain what I know, then, you can tell me if I'm right or wrong. I know that a
1. 0 answers
2. 607 views
How many grams of NaNO2 must be added to 1 liter of 1.00 M HNO2 solution in order to prepare a buffer solution with pH = 4.14?
1. 0 answers
2. 1,218 views
A 35 micro coulomb point charge is placed 32 cm from an identical 35 micro coulomb charge. How muchwork would be required to
1. 1 answer
2. 1,167 views
A large statue in a crate is being moved. The mass of the statue and the crate is 150 kg. As the statue slides down a ramp
1. 4 answers
2. 5,656 views
Sqrt of 9sin^2xIs the answer |3sinx|? Is the three included in the absolute value sign? My teacher is very picky and I need to
1. 1 answer
2. 584 views
Graph y=2csc(x-π)New period that I solve for 0<x-π<2π π<x<3π What is my quarter period? I got that it was 3π/4 but when I
1. 1 answer
2. 592 views
Factor:x^4(4) (2x+1)^3 (2x)+(2x+1)^4 (4x^3) Please help! I cannot figure out how to go about this problem
1. 1 answer
2. 526 views
Rationalize the denominator. The twos are outside of the square root signs.5/(sqrt14)-2 x (sqrt14)+2/(sqrt14)+2 The answer is
1. 1 answer
2. 594 views
Which of the following equations represents the line that is parallel to the line y=5x+2 and that passes through the point
1. 1 answer
2. 3,013 views
Two tuning forks are struck at the same time; one with a pitch of 410Hz one a frequency of 500Hz. How many pitches do you hear
1. 1 answer
2. 533 views
Read the passage and answer the question that follows:John Brown, supported by abolitionists and Republicans, tried to start a
1. 5 answers
2. 2,113 views
The volume of the nitrogen gas is 125ml atmospheric pressure is 763mm Hg Water temperature is 24 degrees Celcius. The water
1. 1 answer
2. 843 views
If a .750g sample of magnesium chloride is dissolved in water and then treated with a silver nitrate solution how many grams of
1. 2 answers
2. 3,030 views
Fin the value of Theta if sec theta=3I inverted the value of sec theta to get cos theta=1/3 I then said Theta=cos-1 (1/3) Is
1. 1 answer
2. 442 views
Find cotangent theta given that cosecant theta equals -3.5891420 and theta is in the third quadrant.I was using the trig
1. 1 answer
2. 625 views
32.0=5.5x10^2(1/T)+14.2Solve for T I am confused about what the first step would be to solving for T. Would I divide
1. 1 answer
2. 931 views
32.0=5.5x10^2(1/T)+14.2Solve for T I am confused about what the first step would be to solving for T. Would I divide
1. 1 answer
2. 840 views
Can you please help me solve r1/r2 = sqrt(M2/M1)for M1.My answer: M1=M2r2^2/r1^2 Is this correct?
1. 1 answer
2. 1,056 views
Can you please help me solve r1/r2 = sqrt(M2/M1)for M1.My answer: M1=M2r2^2/r1^2 Is this correct?
1. 2 answers
2. 815 views
Can you please help me solve r1/r2 = sqrt(M2/M1)for M1.My answer: M1=M2r2^2/r1^2 Is this correct?
1. 1 answer
2. 696 views
I need some help with determining the equation for this problem. "The block of mass m is released from rest on the frictionless
1. 2 answers
2. 607 views
Jason Printing has $85,000 to invest. They can invest in Wilder Revenue at 10% compounded semiannually or at Cheapskate
1. 1 answer
2. 1,022 views
Jason Printing has $85,000 to invest. They can invest in Wilder Revenue at 10% compounded semiannually or at Cheapskate
1. 1 answer
2. 684 views
stacey is standing 5 miles west of the control tower at an airport. A plane took off traveling directly north of the control
1. 1 answer
2. 708 views
A piece of wire 28 m long is cut into two pieces. One piece is bent into a square and the other is bent into a circle.(a) How
1. 2 answers
2. 4,772 views
Hi I have a maths problem I can't figure out please someone help.Zac had some 2c stamps and 5c stamps.he needed to put 30c on a
1. 1 answer
2. 1,235 views
Write the expression as the sine, cosine, tangent of an angle (in radians.)(tan(pi/5)-tan(pi/3))/(1+tan(pi/5)tan(pi/3))
1. 1 answer
2. 729 views
Solve. 10/3x + 4/3 = 7 + x/2xA) x = 1/3 B) x = 17/5x C) x = 1/5 D) x = 1/6 thinking it's A.. help?(:
1. 3 answers
2. 435 views
Solve. x+12/x+4 = x/x+8A) x=-4 B) x=8 C) x=6 D) x=-6 thinking that it's B.. help?(:
1. 1 answer
2. 415 views
Two resistors 3 Ù and 6 Ù are connected in parallel across a 6 V battery. What is the current flow through the 3 Ù resistor?
1. 2 answers
2. 548 views
What is 5x cubed over x squared multiplied by 3x to the fourth power over 6x?
1. 1 answer
2. 561 views
A pair of dice is rolled once. suppose you lose $9 if the dice sum to 9 and win $11 if the dice sum to 4 or 6. how much should
1. 1 answer
2. 5,043 views
1. The smell of cooking is delicious to the hungry camper.2. A good fire is difficult to build. looking for simple subject and
1. 3 answers
2. 736 views
Find the frequency of a wave whose period is 0.320s.
1. 2 answers
2. 1,043 views
I am having trouble answering this. please help!Q: Cereol is a newly discovered compound in corn flakes. A biologist suspects
1. 1 answer
2. 960 views
The diagonal of a square has length square root 2 X s, where s is the length of a side of the square. What is the length of the
1. 2 answers
2. 686 views
A 68.4g sample of Potassium Chloride was added to 200g of water at 20 degrees celsius. Is the solution saturated, unsaturated,
1. 2 answers
2. 782 views
A scientist wants to make a solution of tribasic sodium phosphate, , for a laboratory experiment. How many grams of will be
1. 3 answers
2. 1,679 views
How would I solve:X^(4/3)+X^(2/3)=28
1. 2 answers
2. 457 views
What volume of 0.406 M KOH is required to completely react with 18.50 mL of 0.287 M H2SO4?
1. 2 answers
2. 872 views
What is the concentration of HCl in a 250.0 mL sample of hydrochloric acid if 15.5 mL of 0.0100 M NaOH is needed to react with
1. 1 answer
2. 1,065 views
Calculate the volkume of 0.750 M KNO3 that contains 17.0 grams of KNO3?
1. 1 answer
2. 556 views
How many grams of sodium hydroxide are required to prepare 500 mL of 0.500 M NaOH?
1. 2 answers
2. 790 views
Compare the gravitational force on an 11 kg mass at the surface of the Earth (with radius 6.3 X 10^6 m and mass 6 X 10^24 kg)
1. 2 answers
2. 616 views
Compare the gravitational force on an 11 kg mass at the surface of the Earth (with radius 6.3 X 10^6 m and mass 6 X 10^24 kg)
1. 1 answer
2. 492 views
A roller-coaster car with a mass of 500 kg starts at rest from point A, which is 46 m above the ground. At point B, it is 23 m
1. 1 answer
2. 751 views
I'm trying to write a few sentences about what I believe friendship is. I really love Shakespeare's literature, and want to
1. 8 answers
2. 748 views
If a weak acid has a dissociation constant of 6.4 x 10^-6, what is the pH of a solution of this acid in a 0.10 molar
1. 6 answers
2. 738 views
If a weak acid has a dissociation constant of 6.4 x 10(-6), what is the pH of a solution of this acid in 0.10 molar
1. 1 answer
2. 570 views
If a 28 mLs of a 0.25 molar NaOH solution is used to titrate 14 mLs of a nitric acid to its phenolphthalein endpoint, what is
1. 1 answer
2. 694 views
Can 252/1663 be simplified?If it can be simplified, what is the new simplified fraction?
1. 2 answers
2. 772 views
Please help this question is from my unit on linear programing and I'm having trouble completing it.A company manufactures
1. 1 answer
2. 966 views
Please help this question is from my unit on linear programing and I'm having trouble completing it.A company manufactures
1. 0 answers
2. 908 views
There are 3 parades on Cable Tv in the morning, 2 in the afternoon and 4 at night. How Many different combinations of parades
1. 4 answers
2. 378 views
-5+r=2r+3what does r equal
1. 1 answer
2. 412 views
A daredevil leaves the end of a ramp with a speed of 32.0 m/s if his speed is 29.8 m/s when he reaches the peak of the path,
1. 1 answer
2. 494 views
A daredevil leaves the end of a ramp with a speed of 32.0 m/s if his speed is 29.8 m/s when he reaches the peak of the path,
1. 2 answers
2. 522 views

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