Ask a New Question

Questions and answers by

Brian

Questions (476)

At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at the rate of 10 cubic feet per minute. The
1. 1 answer
2. 5,650 views
A spherical balloon is inflated with gas at the rate of 20 cubic feet per minute. How fast is the radius of the balloon
1. 1 answer
2. 2,318 views
The length of a rectangular board is 10 cm longer than its width. The width of the board is 26 cm. the board is cut into 9 equal
1. 2 answers
2. 713 views
If C⃗ = -5 i^ - 3 j^ - 4 k^, what is C⃗ × j^?If = -5 - 3 - 4 , what is × ?
1. 0 answers
2. 391 views
A rectangular prism is measured 84 cm(l) x 42cm (w) x 56cm h. What is the largest size cube that fits the dimensions of the
1. 1 answer
2. 483 views
simplify 10×10^4+2.8×10^6
1. 1 answer
2. 394 views
How do I answer: A normal distribution has a standard deviation equal to 39. What is the mean of this normal distribution if the
1. 1 answer
2. 929 views
I need some help on this math problem.3c^2 - 5c - 7.8 = -2.2
1. 1 answer
2. 377 views
On a 20 question math test, your teacher gives you five points for every correct answer and takes away one point for each
1. 2 answers
2. 729 views
On a 20 question math test, your teacher gives you five points for every correct answer and takes away one point for each
1. 1 answer
2. 762 views
Explain why knowing a combination of four pairs of equal sides or equal angles guarantees one of the congruence relationships.
1. 0 answers
2. 543 views
Explain why knowing a combination of four pairs of equal sides or equal angles guarantees one of the congruence relationships.
1. 1 answer
2. 715 views
Prove that an exterior angle of a triangle is equal to the sum of the non adjacent interior angles of that triangle. Use the
1. 2 answers
2. 2,705 views
A 2-digit number is twice the difference of its digits. What is the number?
1. 2 answers
2. 449 views
A 2-digit number is twice the difference of its digits. What is the number?
1. 1 answer
2. 384 views
Six apples cost as much as four pears. Each pear costs $4 more than each Apple. What is the cost of one pear?
1. 3 answers
2. 570 views
Evaluate as limit approaches 0. (Without using l'hopital's rule.( Sqrt(4+sin(x))-2 ) / (3x)
1. 1 answer
2. 664 views
Calculate the total amount of heat that must be added to convert 15.7g of ice at its melting point to steam at 100.0°C
1. 1 answer
2. 912 views
A transformer with 1890 turns in its primary coil has to decrease the voltage from 4620 V to 220 V for home use. How many turns
1. 1 answer
2. 561 views
A 20.0-Ù resistor and a 45.0-Ù resistor in parallel are connected to a 120-V dc source.(a) What is (are) the current(s)
1. 1 answer
2. 663 views
Nine Haikus During a DroughtIn the dusty lane A frog waits for a puddle To fall from the sky Which form best describes this
1. 5 answers
2. 1,437 views
A golfer on a level fairway hits a ball at an angle of 38° to the horizontal that travels 85 yd before striking the ground. He
1. 0 answers
2. 1,365 views
Given that ΔH (fusion) of water is 6025 J/mol, Cp,m(ice) = 37.7 J K–1 mol–1, and Cp,m(water,liquid) = 75.3 J K–1 mol–1,
1. 1 answer
2. 1,825 views
Jane buys a coat that is $18 off the orinigal price. This is a 30% discount. What is the original price of the coat?Please
1. 7 answers
2. 559 views
Missing base1/9= [. ] with exponent 2 please explain how I can get the answer thanks
1. 2 answers
2. 979 views
Missing exponent of1/169=(1/13) please explain how I can find the missing exponent
1. 3 answers
2. 3,303 views
BackgroundYour favorite cousin has moved to your town and is looking for a job. Her previous experiences are working as a
1. 1 answer
2. 786 views
How many ml of water must be added to 40.0 ml of 2.50 m koh to prepare a solution that is 0.212 m?
1. 3 answers
2. 1,274 views
What's the process if the input numbers are 1,2,3,4,5 and the output numbers are 2,5,10,17,26
1. 2 answers
2. 539 views
On a ruler that measures both metric and English units, we see that 1m=39.37 in. This implies that 2m = 78.74 in. Use this
1. 1 answer
2. 1,156 views
simplify:5-(-3)^2 -6
1. 0 answers
2. 293 views
Two charged particles have equal mass and carry charges of 2 nC and 3 nC respectively. They enter a magnetic field of strength 2
1. 0 answers
2. 687 views
the Apollo 10 spacecraft traveled at 11 km/s just prior o its re-entry, setting a speed record for humans. Suppose advanced
1. 1 answer
2. 454 views
there are 600 fruits in a supermarket. If .64 are oranges and the rest are apples how many more oranges than apples are there
1. 1 answer
2. 550 views
1000ml x 15 gtt x 1 hr = 31 gtt8hr ml 60 min How do you do this???
1. 1 answer
2. 409 views
Dragonwings by Laurence yepWhat conflict is left unresolved at the end?
1. 9 answers
2. 1,996 views
Both the authors of Zoos: Joys or Jails and the author of Why do we need Zoos :a. think animals should live in their natural
1. 7 answers
2. 774 views
A 110lb woman is started on a nitroglycerin IV drip. The order is to administer the Nitro at mcg/min. The pharmacy sends a 250
1. 1 answer
2. 479 views
How many mls of 45% dextrose and 15% dextrose do you need to make 780 mls of 35% dextrose
1. 1 answer
2. 475 views
How many mls of 55% Dextrsoe and water do you nee to make 980 mls of 27.5 Dextrose? No clue on what to do.
1. 1 answer
2. 417 views
Well, I'm having trouble on some of my homework questions and looking to get help as soon as possible on one of them about
1. 3 answers
2. 578 views
Consider a situation where immediately after birth, twins are separated. One continues to live on earth, while the other is
1. 0 answers
2. 809 views
Which of the following is correct for the two coherent light waves to produce zero light?The light waves should travel in
1. 2 answers
2. 756 views
It’s the end of the semester, and sisters Sarah and Chelsea are eager to head home for the summer. It’s a long drive, and
1. 1 answer
2. 577 views
It’s the end of the semester, and sisters Sarah and Chelsea are eager to head home for the summer. It’s a long drive, and
1. 1 answer
2. 576 views
A 1.42 kg ball is connected by means of two massless strings, each of length L = 1.29 m, to a vertical, rotating rod. The
1. 1 answer
2. 994 views
6Li(s) + N2(g) 2Li3N(s)a) What mass of lithium is required to produce 0.575 g of Li3N in the balanced reaction? b) What mass of
1. 2 answers
2. 1,481 views
For the first of two basketball games the price of each reserved seat was $1.50,the price of each unreserved seat was 5 cents,
1. 0 answers
2. 511 views
What is the name of the substance with formula Cu(H2O)6SO4?
1. 1 answer
2. 396 views
Write two hydrolysis reactions for Cu^2+ reacting with water in each step to form CuOH^+ and Cu(OH)2. The hydrolysis constants
1. 1 answer
2. 602 views
An object falls a distance h from rest. If it travels 0.45h in the last 1.00 s, find the time and the height of its fall.
1. 2 answers
2. 1,116 views
A stone is dropped into a river from a bridge 43.8 m above the water. Another stone is thrown vertically down 1.65 s after the
1. 2 answers
2. 709 views
The figure gives the acceleration a versus time t for a particle moving along an x axis. The a-axis scale is set by as = 15.0
1. 0 answers
2. 1,159 views
Carbon tetrachloride contains one carbon and four chlorine atoms. For this compound 11.818 g of chlorine combine with 1.000 g of
1. 1 answer
2. 1,562 views
7. An early objection to the idea that the earth is spinning on its axis was that the earth would turn so fast at the equator
1. 1 answer
2. 1,723 views
Daryl reaned 426 points out of 500 points in English class. Which represent approximately represents Darl's points?
1. 1 answer
2. 500 views
Find an equation of the tangent to the curve at the given point.y=4(sinx)^2 point: pi/6,1) So I took the derivative of the
1. 1 answer
2. 768 views
if f(t)=sqrt(4t+1) find f''(2)I got the first derivative to be: 1/2(4t-1)^-1/2 * 4t^3 and i'm trying to figure out if i need the
1. 1 answer
2. 3,906 views
Find the derivative ofy=(x^2 + x^3)^4 What I got: 4(x^2+x^3)^3 * (2x+3x^2) The correct answer: 4x^7(x+1)(3x+2) How did they get
1. 1 answer
2. 424 views
The standard potential for the following galvanic cell is 1.72V :Be(s)|Be2+(aq)||Pb2+(aq)|Pb(s) The standard reduction potential
1. 1 answer
2. 2,506 views
A simple random sample of students is selected, and the students are asked how much time they spentpreparing for a test. The
1. 2 answers
2. 1,513 views
Suppose that h is a function with h'(x) = xe^x. Find all intervals where the function h is concave up.Now, I understand that
1. 1 answer
2. 931 views
An open box with square base is to be constructed. The material for the base costs $10 per square foot. The material for the
1. 3 answers
2. 814 views
A ball rebounds the ground to a height of 72 cm, and each time it rebounds to two thirds of the height. Estimate the total
1. 1 answer
2. 682 views
create the logic for a program that calculates and displays the amount of money you would have if you invested $5000 at 2
1. 1 answer
2. 3,859 views
Tina is trying to choose finger food for her party. She is choosing between 5 types of nuts, 5 types of crackers, and 4 types of
1. 2 answers
2. 533 views
Which pronoun fits.Another boy and him/he won blue ribbons for their work.
1. 1 answer
2. 437 views
a) If the volume of a flask is 165 mL and the mass of the vapor in the flask is 0.2136 grams, what is the density of vapor in
1. 2 answers
2. 3,618 views
Determine the empirical formula for the following compounds with these compositions (by mass):a) Cr 47.7% F 52.3% b) Na 42.1% P
1. 2 answers
2. 2,823 views
consider the polynomial (x-a)(x-b)and the real number lineIdentify the points on the line where the polynomial is zero. In each
1. 3 answers
2. 1,012 views
a large aircraft accelerates sown the runway for a distance of 3000m before leaving the ground. It then climbs at a steady 3
1. 1 answer
2. 476 views
297x^2 - 167x - 100Can someone help me find the roots of this
1. 1 answer
2. 347 views
Use the given sorted values below which are the numbers of points scored in the Super Bowl for a recent period of 24 years.36 37
1. 2 answers
2. 899 views
One model of Earth's population growth is, where t is measured in years since 1990, and P is measured in billions of people.
1. 2 answers
2. 3,873 views
A rectangular Persian carpet has a perimeter of 212 inches. The length of the carpet is 24 inches more than the width. What are
1. 3 answers
2. 3,121 views
At a carnival, Linda bought packs of tickets each. She has used of the tickets so far. How many tickets does she have left?
1. 3 answers
2. 569 views
The part of an electrochemical cell that carries electrons to a reacting ion is a(n)(1) cathode (2) anode (3) electrode (4)
1. 2 answers
2. 511 views
Vietnam was not originally what France primarily wanted. Explain the value of Vietnam at the time.The time period is around the
1. 1 answer
2. 445 views
Compare the physical and chemical properties of acids and bases.
1. 1 answer
2. 573 views
Explain how homelessness is a health-related social issue.
1. 1 answer
2. 659 views
Explain how a person bailing out a row boat with a leak could represent a state of physical equilibrium.
1. 1 answer
2. 1,997 views
How are are the viruses, bacteria, fungi, and protists similar?are the all living things or only visisble to through a
1. 13 answers
2. 886 views
Which of the following statements about the natural resources of the United States is most accurate?A. The many agricultural
1. 3 answers
2. 1,858 views
A baton twirler tosses a baton into the air with an initial angular velocity of 2 rev/s (revolutions per second). The baton
1. 1 answer
2. 892 views
A cable that weighs 1.5 lb/ft is used to lift 700 lb of coal up a mineshaft that is 400 ft deep. Find the work done.
1. 2 answers
2. 1,855 views
What is chromatin?
1. 2 answers
2. 413 views
(1) 2 Ni(s) + O2 (g) --> 2NiO(s) delta H= -479.4 kJ(2) Ni(s) + Cl2(g) --> NiCl2(s) delta H= -305.3 kJ Using equations 1 and 2
1. 0 answers
2. 752 views
Solve for a and b. 2a-ai-5b=0, a-2b-bi=0. Where i is complex number.
1. 1 answer
2. 329 views
Solve x^2+1=0.
1. 1 answer
2. 322 views
Solve x^2+1=0.
1. 1 answer
2. 280 views
A bullet was fired horizontally from the top of a 1.5x10^2 m tall tower at 2.8x10^2 m/s. Determine its speed on impact with the
1. 3 answers
2. 1,251 views
The manager of a money market fund has invested $4.2 million in certificates of deposit that pay interest at the rate of
1. 2 answers
2. 1,008 views
Juan invested $24,000 in a mutual fund 5 years ago. Today his investment is worth $34,616. Find the effective annual rate of
1. 1 answer
2. 1,740 views
Two charges +q and −q are separated by a distance d=50 cm. The electric field lines for this system form the the well-known
1. 4 answers
2. 659 views
Six people are playing Secret Santa for Christmas. They will each give one gift to someone, and each receive one gift from
1. 0 answers
2. 985 views
Find an equation for the line that contains the points (2, -3) and (6, 9).
1. 1 answer
2. 632 views
�ç1 0 x^2dx=1/3. Use this and the properties of integrals to evaluate�ç1 0 10−2x^2dx
1. 1 answer
2. 501 views
A piece of wire 40 m long is cut into two pieces. One piece is bentinto a square and the other is bent into an equilateral
1. 3 answers
2. 1,740 views
For a solution of 3.3 M H2CO3 (Ka = 4.4 × 10-7), calculate:(a) [H+] ____?______M (b) pH _____??______ (c) percent ionization
1. 1 answer
2. 549 views
What is 1 5 of 20
1. 1 answer
2. 270 views

Pages

1
2
3
4
5

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025