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Describe a real world situation that could be represented by planes slicing a three dimensional figure to form cross sections
1. 4 answers
2. 2,345 views
In 1979, a biologist Reto Zach published a study on how crows drop whelks,a type of mollusk, from a height that minimized the
1. 0 answers
2. 578 views
Quotient Rule:Use the limit definition of the derivative to prove that the quotient rule
1. 1 answer
2. 1,345 views
A car initially at rest experiences uniform acceleration of 5 m/s2 for 6 sec. It maintains constant velocity for 14 sec and is
1. 1 answer
2. 555 views
Bridget works part time in a shoe store. Sometimes when it is not busy, she rearranges the shoes for fun. If she takes six
1. 1 answer
2. 1,398 views
In a survey, one out of three people named blue as their favorite color. Two out of seven named red. If 1,092 people were
1. 10 answers
2. 5,607 views
2. Write a ratio for the situation in three ways comparing the first quantity to the second quantity. In union City, about one
1. 2 answers
2. 1,721 views
A company runs food service concessions for sporting events throughout the country. Their marketing research department chose a
1. 1 answer
2. 983 views
1. Which of the following would Locke most Favor?A. Republic B. Oligarchy C. Theocracy D. Absolute monarchy
1. 17 answers
2. 6,524 views
In a chemical compound, would you expect an oxide ion to be joined with one atom of calcium or one atom of potassium? Why?
1. 1 answer
2. 1,100 views
A hammer of mass m falls from rest off of a roof and drops a height H onto your head.a) Assuming that the tool is in actual
1. 1 answer
2. 829 views
The engineer of a passenger train moving at 29.0 m/s sees a freight train 360.m ahead on the track moving at 6.00 m/s. The
1. 2 answers
2. 852 views
A 55kg person pushes on the floor with 800 N of force for 0.25 seconds. How high do they jump off the ground?I know how to find
1. 3 answers
2. 852 views
To begin with the amount of lemonade in a jug was 5 times the amount in a cup. Another 15th was then poured into each if the
1. 1 answer
2. 724 views
--The Watsons go to Birmingham-1. Which of the following passages from the novel most accurately reflects the political climate
1. 13 answers
2. 3,403 views
A boat has a mass of 5680 kg. Its engines generate a drive force of 3380 N due west, while the wind exerts a force of 990 N due
1. 1 answer
2. 627 views
draw a line with a slope of 1/4 through the point (0 -4)
1. 2 answers
2. 410 views
x = e, 5, 7, 10, 12y = 10, 13, 19, f, 34 a. f = 28; e = 4 b. e = 28; f = 4 c. f = 30; e = 2 d. e = 30; 5 = 2
1. 4 answers
2. 369 views
You demonstrate hitting a board in a karate class. The speed of your hand as it hits the thick board is 12 m/s with respect to
1. 1 answer
2. 1,446 views
A black rectangular box is 8 inches longer than it is wide. A green rectangle box is 3 inches wider than the black box but it
1. 1 answer
2. 451 views
A black rectangular box is 8 inches longer than it is wide. A green rectangle box is 3 inches wider than the black box but it
1. 1 answer
2. 489 views
Indira predicts that the actual difference of 19 - 7.82 will be greater than the estimate of 19 - 8 = 11. Indira correct ?
1. 1 answer
2. 862 views
AA climbing gym charges $10 to climb each day.A pair of climbing shoes costs $84.it costs $169 to buy 6 days of climbing,one
1. 8 answers
2. 2,371 views
A hamster is pushed off a cliff by wind. Its mass is 0.040 kg and has a Potential Energy of 98 J. Find the kinetic energy.
1. 1 answer
2. 378 views
Write an equation to model:The temperature of hot water placed in the freezer is 80 'C and it decreases at a rate of 8' C per
1. 1 answer
2. 415 views
Three masses of 4.0 kg, 5.0 kg and 7.0 kg are located on a line at positions +4.0, +8.0, and -5.0 in meters from the origin,
1. 1 answer
2. 1,323 views
A cold pack manufacturer has decided to change the chemical in their cold pack from ammonium nitrate to ammonium chloride, a
1. 1 answer
2. 1,235 views
Suppose the average weight for population of men is 178 pounds. You draw a random sample of 10 men and record the following
1. 0 answers
2. 584 views
my divisor is 10. greatnessthan4 times 5 . I am greater than 4 times 5 my remainder is 1 . what dividend am I.
1. 0 answers
2. 437 views
Paige spent a total of $60 on clothing items. She bought 2 pairs of shorts for $10 each. She bought some T-shirts for $4 each.
1. 2 answers
2. 692 views
Water contained by a dam exits a spill-way 685ft above the base of the dam. Determine the velocity of the water as it strikes
1. 1 answer
2. 851 views
What is the standard deviation of the data set?Round the answer to the nearest tenth. 5, 9, 11, 4, 8, 9, 12
1. 1 answer
2. 1,686 views
explain the following statement: "life is complex on the molecular level"
1. 1 answer
2. 394 views
What can we learn from reading ancient greek dramas?
1. 1 answer
2. 434 views
Find the real part of (sqrt{3} - i)^{2011}.
1. 2 answers
2. 2,099 views
Find the imaginary part of (cos12 degrees +i*sin12 degrees +cos48 degrees +isin48 degrees)^6.
1. 1 answer
2. 513 views
A lattice point is a point with integer coordinates. How many lattice points (x,y) with -100 less than or equal to x less than
1. 7 answers
2. 671 views
Let G be the graph of the parametric equationsx = cos(4t), y = sin(6t). What is the length of the smallest interval P such that
1. 2 answers
2. 1,529 views
1. The graph of the parametric equations x= 2-3t, t= -1+5t is a line. What is the slope of this line?Please help!!!!!
1. 3 answers
2. 557 views
At what point does the graph of the parametric equations y=3-2t, y=-2+5t intersect the graph of the parametric equations x =
1. 2 answers
2. 724 views
The amount of medicine ingested by the body is a function given by A(t)= 5/6 (12t-t^2)Estimate the slope of the tangent at the
1. 1 answer
2. 440 views
In most geometry courses, we learn that there's no such thing as "SSA Congruence". That is, if we have triangles ABC and DEF
1. 0 answers
2. 894 views
ABC is an equilateral triangle with side length 4. M is the midpoint of BC, and AM is a diagonal of square ALMN. Find the area
1. 0 answers
2. 504 views
If Jane walks North for 3 miles, turns 45 degrees to the right, and then walks another 4 miles, how many miles will Jane be from
1. 1 answer
2. 1,268 views
The sound intensity of a soft whisper is about 1/200000 of the sound intensity of a shout. What is the decibel level of a
1. 0 answers
2. 768 views
alculate the amount of energy released in the formation of one mole of MgSe bonds (not lattice energy). The radius of the
1. 1 answer
2. 1,204 views
In class 8m, there are 27 pupils. There are twice as many boys as girls. How many boys are there?
1. 7 answers
2. 3,777 views
What kind of discontinuity is this:F(x)= (2x^2 - 5x -3)/(x-3) if x does not equal 3 6 if x=3 It is a pieces use function. I
1. 2 answers
2. 594 views
The sum of the three smallest positive values of theta such that 4(cos*theta)(sin*theta) = 1 is k*pi. Find k.Help!!!!!
1. 5 answers
2. 1,702 views
If sin (a) +cos (a) =1.2, then what is sin(a)^3 + cos(a)^3?I was having some trouble with this problem. I got .98 as an
1. 2 answers
2. 338 views
Write a speech in the following situation- You are the leading actor in a school play It isthe interval in the play. The first
1. 1 answer
2. 622 views
A projectile fired at 30 degrees with a velocity if 15 m/s would have anx-velocity component of????m/s and a y-velocity
1. 1 answer
2. 565 views
Khianna is preparing an informational presentation for her science class. Her presentation discusses three different theories
1. 1 answer
2. 825 views
I need an acrostic poem for the word PAGANISM. Can I have some help please?
1. 1 answer
2. 490 views
You throw a softball (of mass 300 g) straight up into the air. It reaches a maximum altitude of 17.9 m and then returns to you.W
1. 1 answer
2. 1,322 views
A steel cable of diameter 15mm supports a lift of total mass 1500kg. If the maximum safe working stress for steel is 10^8 N/m^2,
1. 0 answers
2. 503 views
A monopoly firm faces a demand curve given by the following equation: P = $500 − 10Q, where Q equals quantity sold per day.
1. 2 answers
2. 5,343 views
In a series circuit if the circuit resistance is 560ohms and the inductive reactance is 1200ohms, what would be the voltage drop
1. 1 answer
2. 512 views
Express the set W = { x ∣ | x | < 1 } using interval notation.
1. 0 answers
2. 753 views
Express the set W={x∣0<x<8} using interval notation.
1. 0 answers
2. 479 views
Express the setW={x∣x>2} using interval notation.
1. 1 answer
2. 921 views
Over a 5 week period, the price of an MP3 player dropped steadily, from $140 to $90.What was the average weekly change in the
1. 1 answer
2. 781 views
One alloy is 2 parts iron to 3 parts silver and another alloy is 7 parts iron to 3 parts silver. How much of each should be
1. 1 answer
2. 973 views
What is 18 millionths written in standard form
1. 2 answers
2. 1,308 views
A 5.8 kg object is accelerated from rest to a speed of 53.3 m/s in 55 s.What average force was exerted on the ob- ject during
1. 2 answers
2. 636 views
Suppose the 480 lbs pile driver that drops 20 ft drives the pile 2.0 in. every time it strikes the pile. What is the average
1. 0 answers
2. 640 views
A 25 g bullet with a muzzle velocity of 300 m/s is fired into a board 4.0 cm thick. For a soft board, the bullet goes through
1. 1 answer
2. 577 views
9.9 rounding to the nearest meter
1. 7 answers
2. 1,083 views
Is the poem I wrote a sonnet?My aunt has cancer, i don't know how, i sit and wonder why. I get mad at God and often say i hate
1. 1 answer
2. 521 views
A falling rock has a speed of 1.5 m/s. What is the velocity of the rock when it hits the ground 5 seconds later? Give the
1. 1 answer
2. 409 views
A deck of cards are shuffled 20 times. You are dealt 12 cards at random:what is the probability that all 12 cards are black? or
1. 1 answer
2. 559 views
Find the largest $n$ so that $f(2) \cdot f(3) \cdot f(4) \cdots f(n-1) \cdot f(n) < 1.98.$
1. 3 answers
2. 2,890 views
Need help solving for x with work shown2log6(4x)=0 Log2(x)+log2(x-3)=2
1. 2 answers
2. 566 views
On the semi - reactions below is correct to say:Li + + 1℮- => Li. Eº = -3,04V. Au 3+ + 3℮- => Au. Eº = + 1,50V. Pb 2+ +
1. 1 answer
2. 578 views
Given the recent drop in mortgage interest rates, you have decided to refinance your home. Exactly five years ago, you obtained
1. 1 answer
2. 677 views
x^(1/3)(x+3)^(2/3). Doing curve sketching and cannot seem to figure out what the values are to fill out the
1. 0 answers
2. 422 views
Esther drove to work at 45 miles per hour. Returned home at 30 miles per hour. If Esther spent a total of one hour commuting to
1. 2 answers
2. 473 views
find the extrema of f(x)=x^(2/5), -3<=x<1. I find zero critical points, but the answer says there is a maxima and minima at 0
1. 0 answers
2. 426 views
which points of f(x)=arcsin(sinx) are not differentiable? And what is the range of this function?How could I do this without
1. 1 answer
2. 1,209 views
y=[(3-4x)^(2/3)]/[(x^2+8)^(1/3)*(7+4x^3)^2]
1. 1 answer
2. 249 views
1. Let f(x)=x^5 + 2x^3 + x - 1Find f^-1(3) and (f^-1)'(3)? I have zero idea how to find the inverse of this function at a point
1. 1 answer
2. 920 views
In the lab, 5.8 L of methane gas is burned with excess oxygen gas at SATP. How much carbon dioxide gas is produced?**Based on
1. 1 answer
2. 1,256 views
derivative of y=3(2x^(-1/2)+1)^(-1/3).I got -(2x^(-1/2)+1)*(-x^(-3/2))=y' but I don't know how to simplify it into 1/something.
1. 1 answer
2. 411 views
derivative of lim x->infinite (2^x+5^x)^(1/x)?I do it till [2^xln(2)+5^xln(5)]/(2^x+5^x) and then I can't simplify anymore. Help
1. 2 answers
2. 543 views
Find limit as x approaches 0 of (1+sin4*x)^cotxI know how to do this question because there was a "hint“ in the question that
1. 1 answer
2. 376 views
Could I please get some help for these 3 questions, apologies for asking so many, but they were the ones I was really unsure of:
1. 1 answer
2. 610 views
The median of 8 numbers is less than zero. At most how many of the numbers are positive?
1. 1 answer
2. 702 views
find an equation for the line tangent to the graph of y=arccot(x) at x=1.I found that slope is -1/(1+x^2). I don't know how to
1. 3 answers
2. 530 views
How much energy is needed to raise the temperature of 1500g of ice from -21.0 degrees Celsius to 113 degrees Celsius
1. 0 answers
2. 478 views
You travel with a boat 90 km downstream with the current in 6 hours and back upstreamin 10 hours. Find the speed of the stream
1. 1 answer
2. 565 views
how many g of Fe2O3 are produced if 3.00 g of Fe reacts?
1. 1 answer
2. 591 views
Mr. Pilgram needs fencing for his turkey coop. The perimeter is 240 yards. The length is 16 yards longer than the width. What
1. 1 answer
2. 610 views
A substance undergoes a first-order decomposition. After 40.0 min at 500 degrees C, only 12.5% of the original sample remains.
1. 4 answers
2. 1,093 views
Megan has 9 yards of fabric. If she uses 5/8 of the fabric to make a quilt, how much fabric does she have left?
1. 1 answer
2. 533 views
how much heat is required to warm 225 grams of water from -50c to 200 c
1. 1 answer
2. 735 views
How do I solve: Translate "y more than 4 is -36". Then solve the problem.Hope someone could help me out with this annoying
1. 13 answers
2. 7,478 views
In a right triangle, the hypotenuse is of fixed length of 15 units, one side is increasing in length by 4 units per second while
1. 1 answer
2. 1,636 views
A golf ball has a mass of 0.05 kg. It is initially at rest, but after being struck by a golf club it is given a speed of 30 m/s.
1. 0 answers
2. 474 views
Rusty has a photograph that is 8 inches wide x 10 inches long. She wants toenlarge the photograph to make a poster that is 3
1. 1 answer
2. 552 views
Danika has a board that is 4 yards long. How much needs to be sawn off to make the board 2 feet 8 inches long?A) 1ft 4in B)9ft
1. 5 answers
2. 507 views

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