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Leah

Questions (319)

The pressure, P (in lbs/ft2), in a pipe varies over time. Three times an hour, the pressure oscillates from a low of 88 to a
1. 5 answers
2. 3,901 views
Where does a g-protein bind to a receptor cell and what is it's function?
1. 0 answers
2. 458 views
An ostrich farmer wants to enclose a rectangular area and then divide it into 4 pens with fencing parallel to one side of the
1. 1 answer
2. 8,538 views
Find the critical numbers of the functionf(x) = x^{1/4}-x^{-3/4}.
1. 1 answer
2. 554 views
Find the critical numbers for f=5+10x-x^{2} in the interval [-3,3].Also find the minimum and maximum.
1. 0 answers
2. 479 views
I need help with these. I'm so confused! Thanks!1.) An F-14 Tomcat fighter jet goes from rest to a speed of 75m/s in 2.5 s. What
1. 1 answer
2. 1,179 views
32x+36y+16=036x+32y+16=0 Find x and y
1. 1 answer
2. 573 views
A projectile is shot upward from the earth with an initial velocity of 320 ft/sec.(a) What is the velocity after 5 secs.?
1. 1 answer
2. 1,198 views
For this problem, a person standing on the edge of a cliff throws a rock directly upward. it is observed that 2 secs later the
1. 1 answer
2. 4,229 views
If a ball is thrown vertically upward from the roof of 48 foot building with a velocity of 80 ft/sec, its height after t seconds
1. 1 answer
2. 774 views
Assume that f is a continuous function from the real numbers to the real numbers such that for all numbers x,y, and a it is true
1. 1 answer
2. 751 views
A street light is at the top of a 17 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 8 ft/sec along a
1. 0 answers
2. 462 views
A spherical balloon is to be deflated so that its radius decreases at a constant rate of 12 cm/min. At what rate must air be
1. 1 answer
2. 6,170 views
Water is leaking out of an inverted conical tank at a rate of 0.0109 {\rm m}^3{\rm /min}. At the same time water is being pumped
1. 2 answers
2. 595 views
I'm really confused about how to do these two problems. Please help me.What is the amount of heat (kJ) required if 64.0 kg of
1. 1 answer
2. 495 views
Many stories about the first Valentine's Day exist.. What is the simple subject?
1. 2 answers
2. 591 views
Valentines Day has an interesting history? What is the simple subject?
1. 2 answers
2. 917 views
Finance charge was 5.58 on a monthly balance of 318.76. What is the rate?
1. 1 answer
2. 494 views
a 40kg girl and a 30kg boy face each other on friction free roller skates. the boy pushes the girl,
1. 2 answers
2. 1,433 views
A hockey game is preparing for a group photo. The team has 1 goalie, 4 defense, and 7 forwards. The photographer wants two rows
1. 2 answers
2. 2,413 views
A conveyor belt sushi restaurant lets you choose what you want to eat from variously-coloured plates that go by. You pay based
1. 1 answer
2. 1,450 views
A paper bag contains a mixture of three types of treats: 12 granola bars, 10 fruit bars, and 8 cheese strips. Suppose that you
1. 1 answer
2. 1,623 views
In Lotto 649, find the probability that:a) You have all six correct numbers. b) You have three correct numbers.
1. 0 answers
2. 501 views
A bag contains 5 red, 3 green, and 6 marbles. If a child grabs three marbles, find P(at least 2 blue marbles).
1. 1 answer
2. 707 views
Five cards are dealt from a shuffled deck of 52. Find the probability that:a) The hand has 3 spades and 2 hearts. b) The hand
1. 6 answers
2. 689 views
One hundred tickets are sold for a raffle. Three prizes are awarded.What is the probability that Andy wins first prize, Brianna
1. 2 answers
2. 770 views
Explain the path of deoxygenated blood from the right atrium to the lungs
1. 1 answer
2. 653 views
The pressure in an automobile tire is 1.85 atm at 27.0°C. What will be the pressure if the temperature increases to 38.0°C?
1. 1 answer
2. 695 views
A company replaces their cars every 6 years. A car is worth $13520 after 2 years. The company uses a depreciation rate of 35% a
1. 1 answer
2. 1,145 views
Mark wants to buy a car in 15 months, when he graduates. He estimates the car he wants will cost $12 500. Mark has just invested
1. 0 answers
2. 830 views
48 weeks ago, Gabriella invested at 3.9% interest, compounded weekly. Today, her investment is worth $225.50. How much interest
1. 2 answers
2. 1,223 views
Jie is investing $15000 and is choosing between two options.With Option A, the investment is compounded semi-annually and will
1. 2 answers
2. 804 views
Forty eight weeks ago, Gabriella invested money at 3.9% interest, compounded weekly. Today, her investment is worth $225.50. How
1. 1 answer
2. 678 views
Bathsheba is saving up for the down payment on a farm. She invests $30000 at 5.2% interest, compounded quarterly, for 4 years.
1. 2 answers
2. 512 views
Kelly is planning to renovate her house. She intends to spend $200000. She invests $150000 in an account at 5.3% interest,
1. 3 answers
2. 731 views
Determine the term of a $46000 investment with an interest rate of 3.9%, compounded monthly, if the future value is $100000.
1. 1 answer
2. 754 views
An appliance is on sale at 30% discount. If the sale price is $42.00, what was the original price of the appliance?
1. 3 answers
2. 394 views
What would the equation look like when the line is parallel to x-y+1=0 and has a Y-intercept of 3/4
1. 1 answer
2. 359 views
What would the equation look like when the line is parallel to x=3y-2 and has a Y-intercept of -3/2
1. 1 answer
2. 410 views
What would the equation look like when the line is parallel to 2x-3y=1 and has a Y-intercept of 0
1. 1 answer
2. 321 views
What would the equation look like when the line is parallel to y= -x+1/2 and has a Y-intercept of -2
1. 1 answer
2. 355 views
What would the equation look like when the line is parallel to y= 3/4x-3 and has a Y-intercept of 3
1. 1 answer
2. 363 views
What would the equation look like when the line is parallel to y=-2x+3 and has a Y-intercept of -1
1. 1 answer
2. 319 views
What would the equation look like when the line is perpendicular to 2x-3=4y and has Y- intercept of -5/4
1. 1 answer
2. 328 views
What would the equation look like when the line is perpendicular to 2x-3y+1=0 and has Y- intercept of 2/3
1. 1 answer
2. 367 views
What would the equation look like when the line is perpendicular to x+2y=10 and has a y-intercept of -10
1. 1 answer
2. 357 views
What is the equation look like when the line is perpendicular to y= 4-3x and has y intercept of 3/4?
1. 1 answer
2. 373 views
What would the equation look like if the line is perpendicular to y=x+2 and has a y-intercept of 0?
1. 1 answer
2. 370 views
Show all steps and Find the maximum revenue for the revenue function R(x)= 360x - 0.05x^2
1. 3 answers
2. 794 views
Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!!6.The
1. 0 answers
2. 667 views
Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!!1. Jova
1. 0 answers
2. 768 views
Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!!6.The
1. 1 answer
2. 745 views
Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!!1. Jova
1. 1 answer
2. 957 views
Which Anology would go best with this one? Pond:lake::A. man:child B. water:sream C. lake:sea D. dusk:night
1. 2 answers
2. 413 views
Which analogy would best go with this one? branch:tree::A. flower:garden B. teo:three C. tentacle:octopus D. near:far
1. 1 answer
2. 566 views
Sally and Marta had the same number of postcards. After Sally sold 18 of her postcards, Marta had 4 times as many postcards as
1. 5 answers
2. 1,604 views
How would you solve this word problem in one variable inequality form?One cell phone company offers a plan that costs $29.99 and
1. 2 answers
2. 3,646 views
A recent cash budget showed estimated cash receipts of $159,000, estimated cash disbursements of $155,000, and a desired ending
1. 1 answer
2. 575 views
How much is $20,000 compounded annually at 6% for 35 years? Thank you.Please show solution
1. 1 answer
2. 585 views
Using Hooke's Law (F=kx) determine:A) A weight of 5 pounds stretches a certain spring from its natural length of 10.2 inches to
1. 1 answer
2. 734 views
There were two independent groups who took a school course by different modes. The first sample of students took the course in
1. 0 answers
2. 446 views
Suppose the block is released from rest with the spring compressed 5.50 cm. The mass of the block is 1.60 kg and the force
1. 0 answers
2. 851 views
Calculate d/dt when a=t^2, b=2 and sqrt(x+1)dx.My answer turns out to be incorrect despite my checking it several times. I got
1. 2 answers
2. 389 views
Which sentence below has a missing antecedent?A Many people are planning to attend the race, so we should get to the park early.
1. 3 answers
2. 942 views
Stuart needed to purchase cleaning supplies for his company. He purchased 15 rolls of paper towels for $0.65 each, 15 bottles of
1. 1 answer
2. 417 views
If the Kb of a weak base is 1.5 × 10^-6, what is the pH of a 0.25 M solution of this base?I found that I need to use the
1. 2 answers
2. 1,242 views
Please help with this question that has been bothering me! I take bio college class and we have graduate/student assistant for
1. 4 answers
2. 631 views
Hi,I really need help in understanding how to solve trig equations. How do you solve this equation? Solve the equation on the
1. 1 answer
2. 666 views
You are standing on top of a building that is 75-m high and you throw a 4-kg stone horizontally at a speed of 6.6-m/s. How far
1. 0 answers
2. 518 views
Need help on a lab results write-up. The lab is the synthesis and analysis of a transition metal complex. General reaction was
1. 0 answers
2. 410 views
what are the products when water,ferric chloride and ammonium thiocyanate are combined?
1. 1 answer
2. 460 views
Identify the term that best describes the words/phrases in parentheses.1. The teacher asked her pupils to (stay) put during the
1. 3 answers
2. 6,621 views
John is using a pulley to lift the sail on his sailboat. The sail weighs 150 N, and he must lift it 4.0 m.a. How much work must
1. 1 answer
2. 2,491 views
A river does 6,500 J of work on a water wheel every second. The wheel's efficiency is 12%.a. How much work in joules can the
1. 0 answers
2. 705 views
When you do 100 J of work on the handle of a bicycle pump, the pump does 40 J of work pushing the air into the tire. What is the
1. 4 answers
2. 1,395 views
Please help me on this question. Thanks!One pole measured 1.35m and the smaller pole measured 0.83m. They needed to be tied
1. 5 answers
2. 531 views
Evaluate the ways in which the legacy of slavery has prevented the United States from building a more just society, supporting
1. 1 answer
2. 963 views
This is just a question that I was curious about,why do mountain belts run parallel to coastlines? Thanks
1. 0 answers
2. 373 views
At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 5.4 m/s. A player cannot touch the
1. 1 answer
2. 1,489 views
Hi I am not good with math. Please tell me how to differentiate mixed numbers, order of operation,subtraction, divide and
1. 0 answers
2. 602 views
Which of the following most distinguishes an epic from a mock epic?A. its subject matter B. its style C. its vocabulary D. its
1. 2 answers
2. 749 views
a current is passed through 500 mL of a solution of CaI2. the following electrode reactions occur:anode: 2I- ---> I2 + 2e-
1. 2 answers
2. 1,761 views
How would I evaluate these trig functions without using a calculator? U:sin(-13π/6) cot 11π/6 cot(-14π/4) sec 23π/6 Thanks
1. 1 answer
2. 588 views
What are some political, economical, and social effects on the Cold War?
1. 2 answers
2. 529 views
Explain how a barometer (mercury barometer) works using the kentic molecular theory
1. 0 answers
2. 488 views
It requires 37.0 mL of a sodium hydroxide soltution to neutralize 0.75 grams of phosphoric acid. Using a balanced equation,
1. 1 answer
2. 524 views
The height of an equilateral triangular prism increases by one unit. The new lateral area is more than the original by how much?
1. 1 answer
2. 516 views
A baseball is hit at ground level. The ball is observed to reach its maximum height above ground level 3.0 s after being hit.
1. 3 answers
2. 4,007 views
You are driving your car at a constant speed down the freeway. You are using 42 horsepower to do this. If the air resistance and
1. 1 answer
2. 472 views
A saturated solution of sodium nitrate at 70oC is cooled to 40oC. How many grams of precipitate are formed?
1. 4 answers
2. 580 views
a 15 kg bucket is raised to paint a ladder with an acceleration of 3 m/s.^2 what is the tension in the rope?
1. 0 answers
2. 409 views
Verify the identity & Justify the step.scot (theta-pi/2)=-tan theta
1. 1 answer
2. 565 views
1. An airplane is flying at 36,000 feet directly above Lincoln, Nebraska. A little later the plane is flying at 28,000 feet
1. 0 answers
2. 914 views
The perimeter of a regular pentagon is 35in. What is the lenght of one side of the pentagon? Show your work.
1. 2 answers
2. 1,962 views
Please help write a reaction on this Article, I want to give good presentation. How can I make it interesting? Thank you! So,
1. 0 answers
2. 428 views
A person pushes a 11.0 kg lawn mower at constant speed with a force of 76.0 N directed along the handle, which is at an angle of
1. 1 answer
2. 1,037 views
A heavy-duty stapling gun uses a 0.162-kg metal rod that rams against the staple to eject it. The rod is pushed by a stiff
1. 1 answer
2. 2,232 views
A constant torque of 27.2 N · m is applied toa grindstone for which the moment of inertia is 0.158 kg · m2. Find the angular
1. 1 answer
2. 1,555 views
I have two questions about these Emily Dickinson's "Wild Night"1.Which best describes the rhyme in the second stanza--internal
1. 1 answer
2. 2,002 views
Can you show me how to find the rectangular equation:r=2cos(theta) + 3 sin (theta) All I need is an example to work off I was
1. 2 answers
2. 583 views

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