Ask a New Question
Search
Questions and answers by
j
Questions (589)
A highway curve forms a section of a circle. A car goes around the curve. Its dashboard compass shows that the car is initially
0 answers
653 views
A car is at motion.It horns an hears the echo of the sound after 6 sec.find the speed of the car.
4 answers
470 views
on the number line below locate and label the points the represent the rational numbers listed in part (a).Describe the
1 answer
945 views
according to the triangle inequality, the length of the longest side of a triangle bust be less than the sum of the lengths of
3 answers
1,845 views
If it takes a lawn company 5 hours to cut 6 lawns, how many yards can be cut in 12.5 hours?
1 answer
389 views
. Which of the following factors helps a child develop a positive self-concept?
A. Material wealth B. The sex of the child C.
3 answers
688 views
Please check my answers!
1. The Nineteenth Amendment granted women the right to vote, but women had been fighting for years for
4 answers
1,114 views
A 6.90-g sample of solid NiSO4·6H2O was heated such that the water turned to steam and was driven off. Assuming ideal behavior,
0 answers
822 views
Solve in radians.
1) sin2X = 1/2 2) tan2 (X + pi/2) = 1 3) 5 - 3sec (X - pi/4) = -1
1 answer
520 views
What is greaterthan 40 and less than7 tens
1 answer
339 views
The standard deviation of a sample taken from population A is 17.6 for a sample of 25. The standard deviation of a sample taken
5 answers
2,485 views
50cm3 of hydrogen is collected over water at 17 degree celsius and 750 mm Hg pressure.Calculate the volume of
dry gas at
5 answers
1,789 views
Art helps children socially because:
A. they can make artistic products for others to see at art shows B. during are activities,
1 answer
806 views
Young children who learn easily, ask thought-provoking questions, and are very curious are often:
A. gifted or talented B.
1 answer
525 views
two charges of equal magnitude are 25.5 cm apart if the force between the charges is 155 N what is the magnitude of the charges
2 answers
898 views
Sam has 18 coins in his pocket that are either quarters or nickels. The total value of these coins is $3.90.
Let q represent the
6 answers
689 views
A community group bought 25 tickets to a play. Adult tickets cost $30 each and student tickets cost $20 each. In all, the group
1 answer
664 views
find the weight of a person with a mass of 68.0kg
1 answer
612 views
Sam wants to invest the same amount at the end of every 3 months so that he will have 4000 in 3 years. The account will pay 6%
0 answers
488 views
A young couple saves for a down payment on a house by depositing $100 each month into an annuity that pays a 4.8% annual rate.
1 answer
505 views
Produce a 99.9 % confidence interval for the population mean body temperature of a healthy male. Then do the same for the
0 answers
529 views
A stock has a beta of 2.0. A security analyst who specializes in studying this stock expects its return to be 24%. Suppose the
0 answers
593 views
to conduct a scientific experiment, students need to mix 90 millimeters of a 3% acid solution. They have a 1% solution and a 10%
0 answers
527 views
if a house is worth 85,000 what is is value in a year at 5%
1 answer
337 views
Benjamin and Bob are marathon runners on a run from landmarks P to Q. Benjamin runs half the way and walks the other half. Bob
1 answer
464 views
children who are individualistic and dare to be noncomformists may be exhibiting personality traits that indicate:
A. Convergent
6 answers
536 views
Old Navy executives want to target an older crowd in order to increase the firm?s market share so they survey men and women ages
4 answers
965 views
when cary is not chosen to collect forks in the cafeteria, he shouts 'I Hate you!" to his teacher, mrs. miller. which one of the
2 answers
552 views
language that is important to the story and exact dialogue that is important to the message or tone makes:
A. sharing the book
0 answers
600 views
an example of a child recognizing contextualized print would be
A. reading a library book correctly the first time.
1 answer
527 views
which is not a commonly used pattern for presenting information in a report
A. Compare/contrast B. Journalistic C. Cause/ effect
1 answer
497 views
which of the following statements is true with respect to the terms that the president and members of congress serve and the
1 answer
738 views
projections that the social security trust fund wil soon be depleted enhance _____ with respect to how older american view
3 answers
446 views
which of the following activities would most likely enhance the cohesiveness if a public interest group.
A. increasing the number
0 answers
569 views
how to express radians to degrees, minutes, and seconds?
how to express fractions to degrees, minutes, and seconds? through how
1 answer
741 views
You are interested in buying a new car and Bob let's you borrow one of the new cars on his lot for a week to test drive. You
0 answers
472 views
what are the responsibilities that a teacher has to volunteer parents when these parents are invited to participate in learning
1 answer
490 views
an emotional response created by the separation between teachers and parents is the fear that the teachers will replace the
2 answers
928 views
what can a teacher do to reinforce the primary relationship between the parent and child and communicate that the teacher does
2 answers
1,016 views
An anchor weighing 110 lb in water is attached to a chain weighing 2 lb/ft in water. Find the work done to haul the anchor and
0 answers
732 views
if someone walks 5km in 21 minutes and then 4 km in 39 minutes then whats his average speed
3 answers
404 views
What is the molality of a solution composed of 28.4 g of methanol CH3OH and 250 g of water
1 answer
401 views
suppose 3 students change their vote from math to science .describe how the frequency table would change
5 answers
1,322 views
2x-6/3=-2
2 answers
237 views
What are the angle relationships formed when a third line intersects two parallel lines?
3 answers
843 views
Solving Equations
3=r/16+4 What does r equal? Please show all work.
7 answers
461 views
Solving Equations
-7+b/15=-6 What does b equal? Please show all work.
3 answers
416 views
Three objects of same heat capacity with temperature T1=200 K, T2=400 K and T3=400 K exchange heat with each other. They are
1 answer
636 views
the - definition of glommy is dismal or depressing is it denotative
1 answer
501 views
A car with a mass of 1000kg is travelling at a constant velocity. The force from the engine is 200Newtons. Calculate the
1 answer
711 views
find the missing side of the triangle b=2.1 c=29
2 answers
346 views
there is a 20% chance that it will snow on tuesday and a 50% chance that it will snow on Wednesday. what is the probabilty that
1 answer
477 views
if the amount of radioactive iodine-123 in a sample decreases from .400g to .100g in 26.2 hours, what is the half-life of
1 answer
685 views
A plastic rod has been bent into a circle of radius R = 8.80 cm. It has a
charge Q1 = +4.60 pC uniformly distributed along
0 answers
848 views
a cube with 2 in sides is placed on a cube with 3 in sides. then a cube with 1 in sides is placed on the 2 in cube. what is the
3 answers
4,576 views
order numbers least to greatest3/2,-1.2,0.8,_1/3
1 answer
760 views
a sprinter runs the first 50 meters in 5 seconds. What will be the velocity at the end of the 5 seconds?
2 answers
697 views
in the later pharses of the civil war general running for president
1 answer
347 views
f(x)=165*x
what is the domain plz i need help
1 answer
784 views
speed=frequencyxwavelengthc=f please explain
0 answers
792 views
what number is 33% of 500?
1 answer
330 views
the reciprocal of the expression 2/x + 3/1
0 answers
814 views
the reciprocal of the expression 2/x + 3/1
2 answers
1,336 views
What physical feature in Africa is located in the northeast and separates it from Asia?
3 answers
732 views
A water trough is 4 m long and its cross-section is an isosceles trapezoid which is 210 cm wide at the bottom and 280 cm wide at
1 answer
662 views
You have been given the following information on a project:
It has a 3-year lifetime The initial investment in the project will
0 answers
819 views
4. Point E is located at (–2, 2) and point F is located at (4, –6). What is the distance between points E and F?
a. square
8 answers
1,141 views
the motion of a particle along a straight line is described by the function x=(2t-3)^2 where x is in metres and t is in seconds.
2 answers
3,424 views
A car starts from rest and travels for 6.3 s with
a uniform acceleration of 2.3 m/s2. The driver then applies the brakes, causing
1 answer
514 views
7. Where does the line r = (1, 2, -5) + t (2, -3, 1) meet the plane 2x + 5y - 3z = 6?
4 answers
358 views
6. Find out if the line r = (1, 3, 8) + t (-2, 5, 7) is parallel to the plane 3x + 4y - 2z = 1
1 answer
306 views
5. Determine an equation for the plane that is exactly between the points A(-1, 2, 4) and B(3, 1, -4).
1 answer
831 views
4. Write a vector equation of the line through the point (5, -2, 3) and parallel to the vector v=[4, -3, 1]
2 answers
505 views
8. Find the vector equation of the line in which the 2 planes 2x - 5y + 3z = 12 and 3x + 4y - 3z = 6 meet.
3 answers
528 views
7. Where does the line r = (1, 2, -5) + t (2, -3, 1) meet the plane 2x + 5y - 3z = 6?
2 answers
618 views
6. Find out if the line r = (1, 3, 8) + t (-2, 5, 7) is parallel to the plane 3x + 4y - 2z = 1
1 answer
335 views
5. Determine an equation for the plane that is exactly between the points A(-1, 2, 4) and B(3, 1, -4).
0 answers
390 views
4. Write a vector equation of the line through the point (5, -2, 3) and parallel to the vector v=[4, -3, 1]
0 answers
363 views
6. Find out if the line r = (1, 3, 8) + t (-2, 5, 7) is parallel to the plane 3x + 4y - 2z = 1
1 answer
394 views
5. Determine an equation for the plane that is exactly between the points A(-1, 2, 4) and B(3, 1, -4).
1 answer
343 views
4. Write a vector equation of the line through the point (5, -2, 3) and parallel to the vector v=[4, -3, 1]
4 answers
585 views
3. Determine that the vectors u=[t, 4, 2t+1] and v=[t+2, 1-t, -1] are perpendicular, find the possible values of the contant, t.
2 answers
370 views
2. Give that the vectors u=[2, t, -4] and v=[1, -3, t-4] are perpendicular, find the value of the constant, t.
2 answers
354 views
1. Find a unit vector which is perpendicular to both of the vectors m=[4, 2, -3] and n=[2, -3, 1]
2 answers
487 views
3. Determine that the vectors u=[t, 4, 2t+1] and v=[t+2, 1-t, -1] are perpendicular, find the possible values of the contant, t.
4 answers
390 views
2. Give that the vectors u=[2, t, -4] and v=[1, -3, t-4] are perpendicular, find the value of the constant, t.
4 answers
427 views
1. Find a unit vector which is perpendicular to both of the vectors m=[4, 2, -3] and n=[2, -3, 1]
4 answers
481 views
Write a vector equation AND parametric equations of the line through the points A(6,-1,5) and B(-2,-3,6)
direction vector =
1 answer
957 views
determine the each resultant
a) 10 km/h north followed by 8 km/h west b) 25 N at 10 degrees to the horizontal and 30 N
1 answer
449 views
three forces each of magnitude 50 N, act in eastward, westward, and northwest directions, Find the resultant force.
0 answers
462 views
determine the angle between the planes 2x + 2y + 7z = 8 and 3x - 4y + 4z = 5
1 answer
907 views
explain why a scalar equation of the line exists in 2-D space, but not in 3-D space.
0 answers
444 views
determine an equation for each plane
a) contains the point A(6,2,3), B(5,1,-3), and C(5,7,-2) b) parallel to 2x + 6y + 4z = 1 and
2 answers
484 views
A catapult launches a rocket at an angle of 56.9° above the horizontal with an initial speed of 100 m/s. The rocket engine
1 answer
1,180 views
Participants in a psychology experiment were able to memorize an average of M words in t minutes, where M = −0.001t3 + 0.1t2.
1 answer
650 views
nicks class has 30 students. 2/5 of his class sings in the school chorus. how many students sing in the chorus?
1 answer
514 views
Suppose your bank account will be worth $4,200.00 in one year. The interest rate (discount rate) that the bank pays is 5%. What
0 answers
964 views
Suppose your bank account will be worth $4,200.00 in one year. The interest rate (discount rate) that the bank pays is 5%. What
1 answer
567 views
how to make a 4x4 magic sqaure which
equals 18
1 answer
336 views
A tiger leaps horizontally from a 15.0 m high rock with a speed of 7.10 m/s. How far (in meters) from the base of the rock will
0 answers
454 views
Pages
1
2
3
4
5
6