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Corey

Questions (97)

In a large population, 70% of the people have been vaccinated. If 4 people are randomly selected, what is the probability that
1. 0 answers
2. 102 views
Babies born weighting 2500 grams (about 5.5 pounds) or less are called low-birth-weight babies, and this condition sometimes
1. 1 answer
2. 668 views
If SAT math scores are bell-shaped with mean 400 and range from 0 to 800, estimate the standard deviation.
1. 0 answers
2. 201 views
If SAT math scores are bell-shaped with mean 400 and range from 0 to 800, estimate the standard deviation. Show any work
1. 0 answers
2. 290 views
Is it a healthy exercise game?
1. 0 answers
2. 274 views
As a van is turning left in an intersection, it crashes into an oncoming car. The van has a mass of 4000 kg and was traveling
1. 2 answers
2. 664 views
A recipe calls for 3/4 cup of flour to make 18 cookies. How much flour is required per cookie?
1. 1 answer
2. 659 views
If I spend one third of my money on ice cream an half on a book what fraction of my money would I have left
1. 1 answer
2. 559 views
A 2.0 kg box moves back and forth on a horizontal frictionless surface between two different springs with one 32 N/cm and the
1. 1 answer
2. 1,075 views
Find the volume of the solid formed by rotating the region inside the first quadrant enclosed byy = x^3 y = 16 x about the
1. 2 answers
2. 2,610 views
Breathing is cyclic and a full respiratory cycle from the beginning of inhalation to the end of exhalation takes about 5
1. 4 answers
2. 1,595 views
The volume of a pyramid varies jointly with the base area of the pyramid and its height. The volume of one pyramid is 24 cubic
1. 1 answer
2. 965 views
What is the morality of a solution made by dissolving 9.80 g of H2SO4 in a 200.0 g of H2O?
1. 5 answers
2. 540 views
How do i write a equation of 8x+x^2-2y=64-y^2 ?
1. 1 answer
2. 604 views
The approximate rate of change in the number of subscribers to wireless serviceis given by f’(t) = 1.498t + 1.626, where t
1. 1 answer
2. 583 views
I cannot figure out the missing value.7^ 8 6 13=84
1. 1 answer
2. 364 views
An Earth satellite moves in a circular orbit 765 km above the Earth's surface. The period of the motion is 99.9 min.(a) What is
1. 1 answer
2. 1,175 views
1. A square piece of cardboard measuring 60 inches on a side is made into a rectangular box by cutting identical squares from
1. 1 answer
2. 630 views
how to solve 3/(x^2-9)-x/(x^2-6x+9)+1/(x+3)
1. 1 answer
2. 412 views
In Canada, $1 and $2 bills have been replaced by coins. When Marissa returned home from to San Francisco from a trip to
1. 1 answer
2. 618 views
What is the coefficient of friction on a 221.9 gram block of wood with 150 grit sandpaper on the bottom being pulled by .392
1. 1 answer
2. 508 views
You are loading a refrigerator weighing 2250 N onto atruck, using a wheeled cart. The refrigerator is raised 1.00 m to the truck
1. 0 answers
2. 551 views
Which number is larger .545 or .54 repeating?
1. 1 answer
2. 432 views
Why is it better to NOT use a letter that stands for the " unit name" such as s and t that stand for students and teachers as a
1. 1 answer
2. 337 views
I need help writing pseudocode for this problem:Design a retirement planning calculator for skulling financial services •
1. 1 answer
2. 1,463 views
The volume of a cylinder is 980 in.4072-07-02-02-00_files/i0220001.jpg. The height of the cylinder is 20 in. What is the radius
1. 3 answers
2. 991 views
An object in simple harmonic motion has an amplitude of 0.202 m and an oscillation period of 0.620 s. Determine the maximum
1. 2 answers
2. 1,100 views
A 17-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 28 N. Starting from rest, the
1. 0 answers
2. 516 views
A sprinter explodes out of the starting block with an acceleration of + 2.43 m/s2, which she sustains for 1.10 s. Then, her
1. 1 answer
2. 611 views
A person who weighs 130 pounds can burn about 300 calories per hour skateboarding. Write a function that relates the calories
1. 7 answers
2. 1,032 views
A person who weighs 130 pounds can burn about 300 calories per hour skateboarding. Write a function that relates the calories
1. 0 answers
2. 531 views
If, I ahve a trapezoid with two anglesAngle 86 degrees and 41 degrees and angle A 133 degrees then,side b 10 Short base 6 How do
1. 17 answers
2. 710 views
I am so lost I have a problem. Two congruet figures.First trapezoid: 1 side b is 10 1 short base prarallel 6 Angle D 86 degrees
1. 1 answer
2. 1,354 views
Is it possible to have more than one vertical line of symmetry? Why???
1. 4 answers
2. 1,249 views
A student, crazed by the first physics Midterm, uses a pushing force of80 N angled at 70° to push a 5.0 kg book across the
1. 1 answer
2. 556 views
Joe's utility over consumption and leisure is given by c^(1/2)+@l^(1/2), where @ is a positive constant. Find and graph Joe's
1. 0 answers
2. 911 views
find least common denominator for these fractions 5/7 and 4/6
1. 1 answer
2. 493 views
Which of the following choices is correct?A. 0.43<4/5 B. 2/3<.07 C. 1/2<.09 D. 1/3>.35
1. 1 answer
2. 400 views
Find the area between the following curves y1= x2−4x+3 y2=−x2+2x+3
1. 1 answer
2. 364 views
a 4 kg block is being pulled by a string at a constant speed on a surface with coeficient of kinetic friction of .3. If the
1. 1 answer
2. 538 views
a 4 kg block is being pulled by a string at a constant speed on a surface with coeficient of kinetic friction of .3. If the
1. 1 answer
2. 434 views
a 4 kg block is being pulled by a string at a constant speed on a surface with coeficient of kinetic friction of .3. If the
1. 1 answer
2. 448 views
Where can the lines containing the altitudes of an obtuse triangle intersect?I. inside the triangle II. on the triangle III.
1. 6 answers
2. 2,337 views
Two blocks of masses m1 = 2.00 kg and m2 = 4.50 kg are each released from rest at a height of y = 5.80 m on a frictionless
1. 1 answer
2. 1,006 views
A 10.0 g object moving to the right at 19.0 cm/s makes an elastic head-on collision with a 15.0 g object moving in the opposite
1. 1 answer
2. 957 views
A golf ball of mass 0.05 kg is struck by a golf club of mass m kg with a speed of 50m/s will have an initial speed of
1. 1 answer
2. 1,309 views
You and a friend roll a pair of dice. The game is over either when you receive a sum of nine or when your friend receives a sum
1. 0 answers
2. 508 views
Compute your average velocity in the following two cases: (a) You walk 73.6 m at a speed of 1.79 m/s and then run 73.6 m at a
1. 0 answers
2. 627 views
in segment pt, l is the midpoint of pa and a is the midpoint of pn. if pn = 17 and la = 3.5, what is the length of nt?
1. 1 answer
2. 803 views
To move a crate across a rough floor, you pull on it at an angle of 21 degrees above the horizontal. How much force is needed if
1. 2 answers
2. 669 views
Ten years ago, Levin Inc. earned $0.50 per share. Its earnings this year were $2.20. What was the growth rate in Levin's
1. 1 answer
2. 1,272 views
C3H8+5O2--->3CO2+4H2O is this chemical equation correct and equal? If not why?
1. 1 answer
2. 674 views
Is this chemical equation correct and properly balanced, C3H4 + 5O2--> 3CO2 + 44H2O ?
1. 0 answers
2. 584 views
Suppose X is N(4,2) and Y is N(10,1). what kind of distribution is 2X+Y? What is its mean and standard deviation if X and Y are
1. 2 answers
2. 350 views
A box of books weighing 229 N is shoved across the floor by a force of 420 N exerted downward at an angle of 35° below the
1. 0 answers
2. 524 views
A box of books weighing 229 N is shoved across the floor by a force of 420 N exerted downward at an angle of 35° below the
1. 0 answers
2. 530 views
A 4.8 kg block is pushed along the ceiling with a constant applied force of 87 N that acts at an angle of 55.0° with the
1. 0 answers
2. 626 views
A 38.2 kg wagon is towed up a hill inclined at 19° with respect to the horizontal. The tow rope is parallel to the incline and
1. 1 answer
2. 636 views
A 38.2 kg wagon is towed up a hill inclined at 19° with respect to the horizontal. The tow rope is parallel to the incline and
1. 1 answer
2. 673 views
A 44 m diameter wheel accelerates uniformly about its center from 110 rpm to 320 rpm in 3.9 s.Determine the radial component of
1. 1 answer
2. 955 views
A 44 m diameter wheel accelerates uniformly about its center from 110 rpm to 320 rpm in 3.9 s.Determine the radial component of
1. 1 answer
2. 1,321 views
A grinding wheel 0.40 m in diameter rotates at 2200 rpm.What is the acceleration of a point on the edge of the grinding wheel?
1. 1 answer
2. 1,007 views
A 44 m diameter wheel accelerates uniformly about its center from 110 rpm to 320 rpm in 3.9 s.Determine the radial component of
1. 2 answers
2. 1,268 views
Did I use semi-colons properly in this sentence?Tesla's accomplishments include inventing alternating current, contributing to
1. 1 answer
2. 499 views
I submitted this yesterday and Ms. Sue thought I did well (except 7,11) but I still managed to get 4 wrong - and my mind is a
1. 3 answers
2. 2,166 views
I have been pouring over this all day and would appreciate if someone could look this over for me with some good news... am I
1. 1 answer
2. 1,221 views
Compare and Contrast the characters Natty Bumppo in The Prairie and John in Hospital Sketches.
1. 2 answers
2. 735 views
How do you download music from jiskha?
1. 1 answer
2. 926 views
What is the relationship between the volume of a prism and a pyramid with congruent base areas and heights?
1. 0 answers
2. 477 views
A 23 kg suitcase is being pulled by a handle that is at an angle of 22 degrees above the horizontal. If the normal force exerted
1. 1 answer
2. 639 views
A car weighing 1.1*10^4 N is parked on a 35 degree slope.Find the force tending to cause the car to roll down the hill. What is
1. 2 answers
2. 697 views
The roof on a house rises 1.50 m over a horizontal diestance of 3.50 m. A 72.9-kg roofer stands on the roof. Is the frictional
1. 2 answers
2. 699 views
a 3.7 kg dog stands on a 19 kg flatboat at distance D = 6.1 m from the shore. It walks 2.6 m along the boat toward shore and
1. 1 answer
2. 884 views
Ok I got a questionI'm confused by the compression ratio bit in this problem and don't know how to do it If 3.00 m^3 of a gas
1. 1 answer
2. 703 views
fully loaded, slow-moving freight elevator has a cab with a total mass of 1250 kg, which is required to travel upward 58 m in
1. 2 answers
2. 2,361 views
If a Saturn V rocket with an Apollo spacecraft attached has a combined mass of 2.6 105 kg and reached a speed of 11.2 km/s, how
1. 0 answers
2. 454 views
A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (3.0
1. 1 answer
2. 621 views
how many protons and nuetrons are contained in the nucleus of each of the following atoms? assuming each atom is uncharged, how
1. 2 answers
2. 3,680 views
How much can the average person remember?
1. 1 answer
2. 377 views
why did president johnson would find it necessary to encourage congress to cooperate with him?thank you
1. 1 answer
2. 345 views
101-102=1 move position of 1 digit to make statement correct
1. 1 answer
2. 403 views
I need to know how to factor the following expression:x^6 - y^6 The teacher said that the answer is (x+y)(x-y)(x^4+x^2y^2+y^4) I
1. 0 answers
2. 314 views
A 239-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 29.0°
1. 2 answers
2. 531 views
A person jumps from the roof of a house 3.0 m high. When he strikes the ground below, he bends his knees so that his torso
1. 5 answers
2. 1,152 views
A right circular cone has a fixed slant height, s= 12 inches. Determine the radius and the height of the cone with maximum
1. 3 answers
2. 2,169 views
In the sentenceManuel is the new goalie on the team. What is the compound noun
1. 4 answers
2. 607 views
This is my question from my paper.Describe the physical difference between a psuedocoelomate and a coelomate. Which one allowed
1. 0 answers
2. 405 views
This is my question from my paper.Describe the physical difference between a psuedocoelomate and a coelomate. Which one allowed
1. 1 answer
2. 365 views
Of the 6 kingdoms of life, which is (are) both single-celled and eukaryotic?
1. 2 answers
2. 583 views
I need to equal $1.00 and 30 gramsWith quarter .25=6 grams dime .10=2 grams nickel .05=5 grams
1. 2 answers
2. 609 views
Annie has quarters and dimes in her bank. There are 8 less than 4 times as many dimes as quarters. There is $6.35 in her bank.
1. 1 answer
2. 828 views
calculate the mass in kg of an object that weighs 1225 n on earth
1. 3 answers
2. 3,599 views
Hey I have the AP Chem test coming up and i was wondering where I could find the answer key to some of the AP Chemistry tests
1. 2 answers
2. 907 views
A balloon is filled with He to a pressure of 1.06 atm. The volume of the balloon at 25oC is 1.30 x 104 L. How many cylinders of
1. 1 answer
2. 614 views
This is part of a marathon problem, we have to identify the five compunds of H, N, and O described below. For each compound, I
1. 44 answers
2. 2,652 views
This is part of a marathon problem, we have to identify the five compunds of H, N, and O described below. For each compound, I
1. 0 answers
2. 517 views
What is (+3)-(-7)=
1. 2 answers
2. 307 views

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