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Becky
Questions (354)
Hi! I had this one last question on my homework that I wasn't sure about, but, I need someone to check this for me and see if
0 answers
586 views
Hi! I had this one last question on my homework that I wasn't sure about, but, I need someone to check this for me and see if
0 answers
612 views
Which of the following shows a stragety to use to find 4 x 275?
A- (4 x 300) + (4 x 25) B- (4 x 300) - (4 x 25) C- (4 x 275) -
2 answers
650 views
A steel post is 6 ft. long and 6" thick in diameter. If a cubic foot of steel weighs 490 lb., how much does the rod weigh (to
2 answers
2,546 views
A rescue team has to use a specially designed sling-shot to supply emergency medicine to a stranded hiker. The hiker's altitude
0 answers
553 views
Solving Simultaneous equation
Y=x-2 Y=x^2+3x-5
1 answer
569 views
Latin America Unit 3 Test
1.Which is a key factor that affects the climate of mountainous Latin America? A.snow B.El nino
8 answers
2,141 views
How have advances in medicine and technology affected population growth?
18 answers
3,232 views
humans depend on natural resources for
3 answers
1,476 views
x+y=5
y=2x^2-x-13
1 answer
354 views
It takes 5 small fish to make 1 1/4 cup of ice cream. How many fish does it take to make 6 cups of ice cream?
1 answer
369 views
A sky-diver steps out from a helicopter and falls 5s before reaching her terminal velocity of 50 mi/h. Her acceleration just
1 answer
1,059 views
The volume of a sphere is increasing at a rate of 5 cm^3/s. Find the rate of change of its surface area when its volume is
2 answers
6,941 views
-3�ã426
What's the answer? Thanks! :)
1 answer
339 views
What agreement error would this sentence be?
One of the options concerning his future surgeries were discussed with him. Verb
2 answers
1,452 views
Jacob buys a car with 7,000 miles on it. He drives an average of 220 miles a week. Write an equation to represent the number of
3 answers
561 views
Geologists can estimate the age of rocks by their uranium-238 content. The uranium is incorporated in the rock as it hardens and
3 answers
7,686 views
A $130,000 home bought with a 20% down payment and the balance financed for 30 years at 7.5% Find the monthly payment for the
1 answer
496 views
what is the procedures and resources available for assisting patients who use English as a second language, who is hearing
0 answers
544 views
Sin5x cos2x + cos5x sin2x=
1 answer
2,302 views
How much more pizza is in a 12-in. diameter pizza than an 8-in. diameter pizza? Round your answer to the nearest hundredth. Be
3 answers
569 views
The main work of representatives in a parliament is
a.running trials b.trining an army c. kkeeping the peace d.making laws
3 answers
429 views
A barefoot field-goal kicker imparts a speed of 35 m/s to a football initially at rest. If the football has a mass of 0.39 kg
0 answers
575 views
A block starts at rest and slides down a frictionless track except for a small rough area on a horizontal section of the
2 answers
9,681 views
A particle is moving clockwise around a circle with a radius 3.31 m. The magnitude of the total acceleration of the particle at
2 answers
790 views
David has 50 bills in his wallet worth $400 all fives and tens dollar bills. How many of each bill does he have
1 answer
678 views
Would outdoor locations in countries such as Singapore with the highest temperatures also have the highest relative humidities?
0 answers
1,007 views
A bag contains two blue, three purple, four yellow, two red, three green and one orange marbles.
What is the conditional
1 answer
1,356 views
Find the derivative of m(x)=1/(x+1) by using the definition of the derivative.
1 answer
481 views
Find a value of the constant k such that the limit exists.
x^2-k^2 lim _________ x->8 x-8 k=+/_
2 answers
427 views
An Alfa Romeo going at 70 mph requires 169 feet to stop. Assuming that the stopping distance is proportional to the square of
2 answers
3,628 views
A pomegranate is thrown from a ground level straight up into the air at time t = 0 with velocity 67 feet per second. Its height
1 answer
725 views
For a boat to float in a tidal bay, the water must be at least 2.5 meters deep. The depth of the water around the boat, d(t), in
1 answer
3,794 views
Find a solution to the equation if possible. Give the answer in exact form and in decimal form rounded to three decimal places.
1
1 answer
600 views
The exponential function y(x)=Ce^ax satisfies the conditions y(0)=6 and y(1)=7.
(a) Find the constants C and a. Enter the exact
1 answer
3,814 views
At time t hours after taking the cough suppressant hydrocodone bitartrate, the amount A, in mg, remaining in the body is given
1 answer
1,961 views
Chord BC is drawn in a circle with a radius of 3cm. Chord BS is 4cm long. Find the perpendicular distance from A to chord BC
1 answer
704 views
the newest organization to accredit afterschool programs is the
0 answers
353 views
Appreciate if you could help me answering the following questions! thank you!!
How would you prepare a 20% homogenate from a 2.0g
0 answers
379 views
Appreciate if you could help me answering the following questions! thank you!!
How would you prepare a 20% homogenate from a 2.0g
0 answers
497 views
Find the molarity of a solution containing 0.75 mol of NaCl with a volume of 1.5 L.
2 answers
747 views
Ella walked 4.5 km/h to her friends house. She walked back home from her friends house at 3.5 km/h. She walked a total of 40
1 answer
705 views
my scenario, to start a small business you will need a loan of $50.000 to purchase the restaurant. The bank interest rate 9%
0 answers
1,055 views
a small business loan in the amount of 50,000 need to interest rate of 9% that compounds monthly for 7 years. What is the
0 answers
493 views
Use Green's Theorem to evaluate
F · dr. C (Check the orientation of the curve before applying the theorem.) F(x, y) = y cos x
1 answer
1,282 views
someone help pls!!
percentage of ethanol in the "blood" sample on a v/v basis is 0.0143% v/v. is the "blood" sample analysed over
2 answers
480 views
4�ã(50x)+3�ã(2x)+�ã(72x)
Combine. Assume that all variables represent nonnegative real numbers.
1 answer
534 views
The DNA molecule has the shape of a double helix. The radius of each helix is about 10 angstroms (1 Å = 10−8 cm). Each helix
0 answers
1,001 views
Find the maximum and minimum volumes of a rectangular box whose surface area is 1300 cm2 and whose total edge length is 200 cm.
4 answers
8,735 views
If a function of one variable is continuous on an interval and has only one critical number, then a local maximum has to be an
0 answers
540 views
The base of an isosceles triangle is one inch shorter than the equal sides, and the altitude of the triangle is two inches
1 answer
680 views
Identify a haloalkane and describe the manner in which it functions as an anesthetic.
0 answers
386 views
Find parametric equations for the tangent line to the curve of intersection of the paraboloid
z = x^2 + y^2 and the ellipsoid
1 answer
1,517 views
Find parametric equations for the tangent line to the curve of intersection of the paraboloid
z = x2 + y2 and the ellipsoid 6x2 +
4 answers
3,104 views
At what point on the paraboloid
y = x2 + z2 is the tangent plane parallel to the plane 7x + 2y + 3z = 2? (If an answer does not
2 answers
13,937 views
Two blocks are connected by a lightweight, flexible cord that passes over a frictionless pulley. If m1 = 3.8 kg and m2 = 9.2 kg,
1 answer
893 views
Two blocks are connected by a lightweight, flexible cord that passes over a frictionless pulley. If m1 = 3.8 kg and m2 = 9.2 kg,
0 answers
584 views
Use the Chain Rule to find ∂z/∂s and ∂z/∂t.
z = tan(u/v), u = 7s + 4t, v = 4s − 7t
2 answers
2,871 views
If z = f(x, y), where
x = r^2 + s^2 and y = 8rs, find ∂^2z/(∂r ∂s).
2 answers
692 views
The length script l, width w, and height h of a box change with time. At a certain instant the dimensions are script l = 7 m and
3 answers
3,474 views
1.I started play the oboe because [I've heard] it was a challenging instrument
(a) no change (b) I'd have heard (c)I've been
1 answer
620 views
A crate of potatoes of mass 13.0 kg is on a ramp with angle of incline 30° to the horizontal. The coefficients of friction are
1 answer
636 views
Use the Chain Rule to find dw/dt.
w = ln (x^2 + y^2 + z^2)^.5 , x = 9 sin t, y = 6 cos t, z = 7 tan t
1 answer
5,539 views
Find all partial derivatives?
v = (xy)/(x-y) vxx= vxy= vyx= vyy=
2 answers
4,771 views
A barge is hauled along a straight-line section of canal by two horses harnessed to tow ropes and walking along the tow paths on
2 answers
675 views
Find all partial derivatives?
v = (xy)/(x-y) vxx= vxy= vyx= vyy=
0 answers
498 views
Use polar coordinates to find the limit. [If (r, θ) are polar coordinates of the point (x, y) with r ≥ 0, note that r → 0+
1 answer
6,481 views
Find the limit, if it exists. (If an answer does not exist, enter DNE.)
lim (x, y)→(0, 0) of (x^2 + y^2)/[((x^2 + y^2
2 answers
1,584 views
A cooling tower for a nuclear reactor is to be constructed in the shape of a hyperboloid of one sheet. The diameter at the base
0 answers
990 views
1.42 g/cm^2 to mg/mm^2
3 answers
4,987 views
The magnitude of a velocity vector is called speed. Suppose that a wind is blowing from the direction N45°W at a speed of 40
2 answers
3,912 views
Question
Find an equation of the set of all points equidistant from the points A(−2, 5, 2) and B(5, 1, −3).
1 answer
1,592 views
Just want to check whether my answer is correct for quotient rule
F(v) : (600^3/2 + 20250)/v F'(v) : (300^3/2 - 20250)/v^2 F"(v)
5 answers
404 views
Just want to check whether my answer is correct for quotient rule
F(x) : (600^3/2 + 20250)/v F'(x) : (300^3/2 - 20250)/v^2 F"(x)
5 answers
447 views
A ship uses $( 7v^2 ) of fuel per hour when travelling at a constant speed of v km/h. Other expenses in operating the ship (i.e.
1 answer
488 views
how to find the second derivative of quotient rule?
f(x): 700v^2 + 3450/v f'(x) : 700v^2 -3450/v^2 f"'(x) : ???
6 answers
946 views
Hi i need help in this. Some of the parts i got the answer but some i don't. please help!
A ship uses $(7v^2) of fuel per hour
1 answer
537 views
A bicycle wheel has a diameter D = 60 cm and the tyre has a cross sectional radius of r = 2.5 cm. The volume V of the inner tube
3 answers
570 views
What do you think Oedipus Rex and A Raisin in the Sun imply about Sophocles’ and Lorraine Hansberry’s cultural identities?
2 answers
614 views
Im working on a math question and the answer is 2hr and 24min. I am getting 2.4 with my calculations how do i take 2.4 and get
3 answers
361 views
If two planes leave the same airport at 1:00 PM, how many miles apart will they be at 3:00 PM if one travels directly north at
2 answers
1,698 views
Two spherical objects with a mass of 7.60 kg each are placed at a distance of 2.93 m apart. How many electrons need to leave
1 answer
933 views
Two small pith balls, each of mass m = 16.6 g, are suspended from the ceiling of the physics lab by 1.8 m long fine strings and
1 answer
709 views
pam is offered a salary of 28,000 a year for 30 years with annual raises of 6 % what would be pam's salary during her 5th year
0 answers
536 views
The weights of adult long-tongued fruit bats are known to be normally distributed with a mean of 20.22 grams and a standard
2 answers
700 views
Tim and Ray have the same mass and they both climb up the same hill. Tim climbs the hill in 12 minutes and Ray in 22 minutes. a)
4 answers
489 views
A blue whale materializes 11.5 km above an airless planet with an acceleration of gravity of 6.85 m/s2. What is the speed of the
1 answer
453 views
A car is driven at a constant speed of 85 km/h down a road. The car's engine delivers 49.2 kW of power. Calculate the average
1 answer
613 views
Michelle pulls a 14.5 kg wheeled cart with a rope along a flat road. The rope makes a 28.0 degree angle with the horizontal. If
0 answers
522 views
Bryant is fired from a cannon with an initial speed of 14 m/s. If his mass is 80 kg what is his initial kinetic energy?
1 answer
473 views
A ball is moving at 82 m/s when it hits a ball at rest which has a mass fours times as big as its own. The formally stationary
1 answer
560 views
Neona is on a tricycle A, combined mass 62 kg, and Alyssia is on tricycle B, combined mass 54 kg. They are initially at rest,
0 answers
408 views
Kenya finally loses her cool and punches her teacher. The teacher weighs 85 kg. He sees the punch coming and begins to back up
0 answers
511 views
Two trucks that appear to be identical collide on an icy road. One was originally at rest. The trucks stick together and move
1 answer
1,300 views
You are sitting at a baseball game when a foul ball comes in your direction. You prepare to catch it barehanded. In order to
0 answers
719 views
As you lift a chair to store is upside down on a desk, gravity exerts a force, mg, downward and you exert a force of the same
0 answers
458 views
Roads seldom go straight up a mountain, they wind back and forth. Explain why this is useful
0 answers
372 views
Consider a system consisting of two glass bulbs, each with volume V, and each containing n moles of gas. Bulb A contains nA
0 answers
494 views
a mass being held by a string moves with speed v on a circular path of radius r, and has a period of revolution T. if it was
0 answers
551 views
Nurse practitioners are nurses with advanced qualifications who often act much like primary care physicians. Medical researchers
1 answer
1,058 views
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