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Zack
Questions (166)
Find the circumference of the circle use 3.14 for pi 6MM
1 answer
77 views
what do we need to add to the sequence to take triangle ABC onto triangle A'B'C?
0 answers
96 views
What information does the geologic time scale provide?
2 answers
1,058 views
two more than seven times Lynn’s age
2 answers
412 views
Suppose the ball is thrown downward with an initial velocity of 3 m/s instead of being dropped at 60m high on a cliff. How far
1 answer
471 views
You invest $4000 in an account paying 4.1% continuously compounded interest. How much will you have in 8 years
1 answer
543 views
Exits on an interstate are numbered consecutively.
The distance between Exit 12 and Exit 13 is 2.7 miles. The distance between
2 answers
1,158 views
A ship travels downstream for 36 miles and then makes the same return trip upstream. The trip downstream took 3/4 of an hour
3 answers
671 views
A recatangular pen is to be made with 120 feet fencing. The pen is divided into 4 equal parts. And an existing property fence
2 answers
834 views
I'm just curious to know are there any incentives or point system for answering questions here? Like what drives people to?
3 answers
501 views
3 engineers decide to measure the distance across a small area of the ocean. Mojo and Norah are on opposite sides of the ocean.
1 answer
505 views
A recatangular yard is to be made with 120 feet fencing. The yard is divided into 4 equal parts. And an existing property fence
5 answers
668 views
A ship travels downstream for 36 miles and then makes the same return trip upstream. The trip downstream took 3/4 of an hour
6 answers
1,120 views
Width of a wall is 4 inches less then the length. The border that surrounds the wall is 2 inches wide and has an area of 240
2 answers
623 views
A pole sits on top of a tall building an observer on ground 17 m away from building finds the angle of elevation to the base of
5 answers
774 views
The equilibrium constant (Kp) for the interconversion of PCl5 and PCl3 is 0.0121:
PCl5 (g) ↔ PCl3 (g) + Cl2 (g) A vessel is
1 answer
11,995 views
I have looked and I can not find the definition for acquired traits I'm looking for the def. part of speech & synonym Please
3 answers
770 views
The population, in millions, of a city t years after 2000 is given by the function P(t) = 2.9 - 0.008t.
Which statement is true?
1 answer
1,396 views
If f(x) = -3x + 8, find f(5)
2 answers
454 views
Jake is walking up hill in the sand. Every step Jake takes he climbs 2 feet up, but slides down 6 inches. How far has Jake
2 answers
918 views
Given the function f(x) = 3x +4
Determine the value of f(x) for the point (-1, f(x))
2 answers
485 views
An automobile dealership uses CODE = 1 for new automobiles, CODE = 2 for used automobiles, and CODE = 3 for separate
0 answers
640 views
If sin (theta) = sqrt5 / 3 and cos (theta) = 2 / 3 which of the following is tan (theta)?
12 answers
5,462 views
Find the function rule.
X = -2, -1, 0, 1, 2. Y = 9, 4, -1, -6 -11. Help please this is too hard
1 answer
377 views
Heat and pressure deep beneath the Earths surface can change any rock into
A) chemical rock B) gemstone C) metamorphic rock D)
112 answers
16,411 views
what are two symptoms the author experiences when exposed to perfume?
2 answers
403 views
jessica depoists 3000 in the bank. her money doubles in 12 years. how much was her intrest rate per year(assume annual
1 answer
410 views
A firework is launched from a cliff overlooking the ocean. The elevation of the firework shell, in feet above sea level, t
2 answers
751 views
A fair coin is tossed 5 times. If X is the discrete variable the # of tails obtained,
a) Draw the probability distribution . b)
0 answers
713 views
What is the function of a eukaryotic promoter sequence?
1 answer
879 views
Planet X, a recently discovered planet, contains life forms that have double-stranded DNA as the genetic material. The DNA on
0 answers
645 views
For a specific type of machine part being produced, the diameter is normally distributed, with a mean of 15.000 cm and a
1 answer
828 views
X is a point 7cm from the center of circle O with radius 9 cm. AXB is a chord of the circle such that AX= 2 XB. Find the length
1 answer
593 views
What is 29x47 in expanded algorithm
1 answer
760 views
A solid ball is released from rest and slides down a ramp that makes an angle of 50 degrees with respect to the horizontal. a)
0 answers
859 views
A chemist wants to create a solution that is 24% acid. How many liters of a 40% acid solution must be added to 50 liters of an
1 answer
592 views
Find the slope of the radius of the unit circle that corresponds to the given angle.
7π/6 radians
2 answers
1,168 views
Find the equation of the line in the xy-plane that goes through the origin and makes an angle of 1.2 radians with the positive
1 answer
921 views
An airplane is flying at an altitude of 4000 feet and descends at a rate of 200 ft./m determine whether the altitude is
1 answer
663 views
what is the schwarzschild radius of a black hole with a mass of 1.68x10^43kg
1 answer
418 views
A manufacture has been selling 1400 television sets a week at $480 each. A market survey indicates that for each $24 rebate
1 answer
1,183 views
The manager of a large apartment complex knows from experience that 90 units will be occupied if the rent is 444 dollars per
1 answer
679 views
A fence is to be built to enclose a rectangular area of 320 square feet. The fence along three sides is to be made of material
1 answer
6,261 views
The revenue from selling q items is R(q)=475q−q2, and the total cost is C(q)=175+6q. Write a function that gives the total
1 answer
1,173 views
Why is photosynthesis an example of a chemical reaction, and why is it classified as endothermic?
7 answers
2,265 views
My divisor is 9, I am greater than 7 times 9, I am less than 8 times 9,my remainder is 7,what dividend am I ?
7 answers
2,557 views
Jeffrey biked to the store at 12 miles an hour but took his time on the way home going 8 miles an hour. If it took him 20
1 answer
552 views
Elizabeth took 13 minutes less than twice as long as Heather to solve the puzzle if their total time together was 23 minutes who
4 answers
1,042 views
The 80 8th graders took a trip. The boys numbered 16 fewer than twice the number of girls. How many of the eighth graders are
1 answer
845 views
How would you describe the environment of New York City?
3 answers
478 views
Hannah made 0.7 of her free throw in a basketball game,abra made 9/10 of her free throws,dena made 3/4 of her free throws,who
3 answers
1,294 views
Amita decides that she wants the molds to have a square base.How many of the possible molds can she use?
6 answers
3,206 views
A ball is thrown vertically upward with an initial velocity of 135 feet per second, the ball’s height after t second is s(t) =
1 answer
610 views
A kaleidoscope is a tube-shaped instrument that contains mirror and colored glass. When a viewer looks in
one end, (s)he sees
1 answer
558 views
1 Catriona is deciding how large of a cake to order for a party. She can choose from a 1-layer cake that serves
10 people, a
2 answers
608 views
What is a bi-wheel vehicle?
2 answers
503 views
The road runner drops a boulder from a 53 meter high building. When the block is 14 meters above the ground, the 2 meter tall
1 answer
607 views
Larry stands on a bathroom scale while riding up in an elevator. His mass is 75 kg. At the current time the scale reads 100 lb.
0 answers
565 views
Larry stands on a bathroom scale while riding up in an elevator. His mass is 75 kg. At the current time the scale reads 100 lb.
0 answers
468 views
I think this is C if not Which analogy would best go with this one? branch:tree::
A. flower:garden B. teo:three C.
1 answer
436 views
Would this be D if not Which analogy would best go with this one? A:Z::
A. girl:mother B. weight:pounds C. truth:lie D. prologue:
1 answer
458 views
Whish analogy would best go with this one? A:Z::
A. girl:mother B. weight:pounds C. truth:lie D. prologue: epilogue
1 answer
396 views
One side of a triangle is 3 inches shorter than twice the length of the shortest side. The third side is 5 inches longer than
1 answer
739 views
When setting the price of admission tickets for the amusement park, Tabitha wants the price for a two child, two- adult family
1 answer
793 views
Prove the identity:
cos^4 x + sin^4 x = 1 - (1/2)sin^2 (2x)
1 answer
369 views
How many hands of 5 cards can be made from a standard deck of cards such that each hand contains exactly 1 red card and 4 black
1 answer
871 views
Determine the molar solubility of lead(II) iodide, PbI2, in 0.050 mol/L NaI.
Ksp of PbI2 = 9.8 x 10^(-9)
0 answers
972 views
Prove the following:
sin(x+y)sin(x-y) = cos^2 (y) - cos^2 (x)
1 answer
404 views
The electric field lines surrounding three charges are shown in the figure below. The center charge is q2 = -15.9 µC.
1 answer
4,970 views
What is the mathematical expression for 80 is 20 times as many as 5?
4 answers
338 views
How many frequent flyer point Indira earn if she traveled from new York city to Berlin ,Germany at a distance of 3,965
1 answer
381 views
Compare how beaver stole fire and stealing fire from Zeus are the same
2 answers
1,828 views
How many strips of paper 4inches long and 1 inch wide can be cut from a piece of paper 8 inches long and 6 inches wide
2 answers
657 views
If there are 12 square tiles and each tile measure 1 foot on each side ,how many non congruent rectangle can you make.Each
2 answers
483 views
If you h ave an 8 inches long and 36 inches wide strip ,how many strips of wood can you have if it is 4 inches long and 1 inch
1 answer
1,111 views
How many strips of wood can you have from an 8 inches long and 36 inches wide if the strips are 4 inches long 1 inch wide
1 answer
373 views
How many strips of paper 4 inches long and 1 inch wide can be cut from a piece of paper 8 inches long and 6 inches wide
1 answer
598 views
Ms Washington buy a refrigerator that is 6 feet high, 3feet deep and 4 feet wide ,how many floor space does she need to fit the
2 answers
559 views
List all 3digit numbers for which the sum of the digit is 3
1 answer
347 views
List all 2 digit numbers for which the sum of the digit is 5
1 answer
399 views
How can I find the initial rate of formation of products {mol/((L)(s))}?
0 answers
330 views
The complete combustion of 1.00 ml of octane increases the temperature by 22.7 degrees celsius. The density of octane is
8 answers
831 views
Solid phosphorous is found in two forms: white phosphorous (P4) and red phosphorous (P). White phosphorous is the standard
1 answer
980 views
Simplify
sqrt80 -3 Sqrt63 - sqrt125 - sqrt175
3 answers
559 views
How do I verify this identity? (I've tried a lot but it's just not working)
(sin2x + sin2y) = 2sin(x+y)cos(x-y)
0 answers
559 views
evaluate each limit, if it exists
[(2+x)^2 - 16]/ (x-2) what do I do?
1 answer
423 views
given:
25.9 kJ + 1/2 H2 + 1/2 I2 => HI how much energy is needed for the reaction of 4.57x10^24 molecules of iodine, I2, with
1 answer
1,074 views
use the unit circle to prove that tan(x/2) = (sin(x))/(1+cos(x))
1 answer
334 views
Volume of a cube with side length of 26.4 meters I need this by 11/21/12 ASAP
1 answer
496 views
A box is being pushed to the left parallel to the x-axis by a force of 23.0 N. A rope provides a second force of 33.8 N on the
3 answers
510 views
What are the equations for potential and kinetic energy?
0 answers
336 views
A uniform, solid, spherical asteroid with mass 1.2 * 10^13 kg and radius 1.0 km is rotating with a period of 4.6 hours. A
0 answers
859 views
which is greater, 100^10 or 10^100? explain reasoning.
1 answer
713 views
How many times larger is 2,300,000 sq. miles than 1,200,000 sq. miles?
1 answer
1,007 views
What is the percent increase from 91,400,000 to 94,400,000?
2 answers
607 views
I'm not really getting this.
complete the table. Linear system: 4x+4y=-4 x: 0,1,2
1 answer
345 views
An engine block of mass M is on the flatbed of a pickup truck that is traveling in a straight line down a level road with an
1 answer
1,036 views
Is 87 rounded to 90 or 85? I have to round to nearest fifth
4 answers
1,135 views
The density of 18% nh4cl is 1.05 grams/ml. What mass of nh4cl is in 425 ml of the solution?
1 answer
837 views
Could You give me a example of a sentence of ceaselessly?
3 answers
420 views
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