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Jack
Questions and answers by visitors named
Jack
, page 7
Questions (1,125)
Sidney flew in an airplane five times during her vacation.The flights averaged 2 hours 8 minutes long.The lengths of her first
3 answers
633 views
A serving bowl has an inside diameter of 12 inches and a depth of 4 inches. The bowl is fashioned from part of a sphere.
Find the
3 answers
559 views
A glass is designed in the shape of a cylinder. it has a radius 5cm, and holds 1 litreof liquid, what's the height of the glass
1 answer
449 views
Taxes on a house assessed at $64,000 are $1500 a year. If the assessment is raised to 85,000 and the tax rate did not change,
3 answers
758 views
Yasmin lives 400m from Anton.Kevin lives 0.45km from Anton.Jared lives 40 000mm from Anton.who lives closest to Anton?how do you
3 answers
576 views
You drop a ball, mass 117.1 grams from a height of 68.9 cm. It bounces back to a height of 48.1 from the floor. What is the
1 answer
480 views
You are in the supermarket, pushing a cart with a force of 92 Newtons in the horizontal direction. There is a constant force of
2 answers
828 views
I am citing books in MLA format and I am wondering about the publisher. If the publisher is: Smith and John Publication, Inc.
Do
1 answer
462 views
A string under a tension of 43.0 N is used to whirl a rock in a horizontal circle of radius 2.25 m at a speed of 20.0 m/s on a
2 answers
564 views
A jet plane is flying at a constant altitude. At time t1=0 it has components of velocity Vx=90m/s, Vy=110m/s.At time t2=30.0s
3 answers
1,322 views
A student of mass M = 82 kg takes a ride in a frictionless loop-the-loop at an amusement park. The radius of the loop-the-loop
4 answers
3,658 views
Function is y=x2 .
Take three points, x=2, x=3, x=4. Approximate this function at these three points for a deviation Δx =0.1.
1 answer
403 views
For this problem (2)^0 (-2)^0 would I add the exponents? I f so what do I do with 2 and -2?
3 answers
302 views
John bought a conical hat on a recent trip to central Vietnam. The basic frame of the hat is 16 hoops of bamboo that gradually
3 answers
692 views
what was Joseph Stalin favorite music, and movies?
4 answers
1,485 views
Who was firends with Joseph Stalin?
1 answer
397 views
Consider the following program (written in pseudo-code)
begin x:= 0; y:= 1; z:= 1; while y <= n do x:= x+1; z:= z+2; y:= y+z; od
1 answer
397 views
A florist used 12 flowers to make a bouquet, including 4 daisies.
What is the probability that a randomly selected flower will be
2 answers
783 views
Use the trapezoidal rule with n = 5 to approximate. Keep at least 2 decimal places accuracy.
Integrate: (cos(x))/(x) from x=1 to
1 answer
608 views
A boy is trying to find the height of a tree. When he stands 95.5 metres away
from the tree (the distance D in Figure 2) the
2 answers
501 views
T =ƒaƒy+ beƒ{^- kt (Equation 2)
where T is the temperature at time t, and a, b and k are constants with values a = 20 „aC,
1 answer
496 views
11. A basket contains the following pieces of fruit: three apples to oranges two pairs two bananas and five peaches. Jack pics
2 answers
659 views
Can you help me? For the problem .6 is 266 2/3% of what number? would I change 266 2/3% to a decimal and put it over 100?
3 answers
588 views
A hinged crane which measures 19m makes an angle of 50° with the ground. A malfunction causes the lock on the hinge to fail and
3 answers
1,716 views
Write a function rule to represent the total distance traveled by a car traveling at a rate of 60 mi/hr. Include an explanation
1 answer
1,187 views
Which of the following correctly defines blank verse?
A. poetry with no structure or rhyme B. a type of long poem often used for
4 answers
794 views
Can someone solve for x please. I don't understand it.
2^x . 7^x = log 14 My answer : 14^x = log 14 = log14÷log 14 = x X=1 Is
9 answers
844 views
An airplane travels for seven hours with a 60 mph tailwind on the return trip against the same wind it took the plane nine hours
1 answer
471 views
Hello guys.
I am just wondering if tan^2 A (tan squared A) = sin^2 A /cos^2A And 2tan A = 2sin A / 2cos A This has been bothering
1 answer
452 views
Considering only the molecular orbitals formed by combinations of the s atomic orbitals in the valence shell, how many molecular
1 answer
420 views
A 1.575 g sample of ethanedioic acid crystals, H2C2O4. xH20 was dissolved in water and made up to 250cm^3 . One mole of the acid
6 answers
5,717 views
Is agony, and dumfounded tone words?
4 answers
870 views
What does it mean if there is a comma in a number like this?
$�1,02
3 answers
300 views
If you had a book to annotate would you do it on the book or on paper?
1 answer
373 views
I watched the movie The crucible 1996, can you give me any tips on how to write a synopsis?
1 answer
345 views
Annotating a book. How many literary devices should you list down?
3 answers
388 views
Are functions have one x and one y?
1 answer
284 views
do you write annotations in appendix in a book?
1 answer
296 views
did Amerigo Vespucci discovered the new world before columbus?
4 answers
516 views
Is High Grass capitalized?
5 answers
345 views
List the factors. Is this a prom or composite
3 answers
444 views
A cashier has a total of 33 bills consisting of ones, fives and twenties. The number of twenties is 14 less than the number of
2 answers
494 views
What item should not be included in income?
1 answer
297 views
Why should you help old people across the street?
3 answers
286 views
A bean jumps off a table and when it reaches have its height it has a speed of 10 m/s, how high does it rise?
3 answers
1,163 views
A bean jumps vertically off of a table. It has a speed of 10 m/s when it reaches half of its maximum height. How high does it
2 answers
574 views
What is the equation in slope-intercept form of the line that passes through (1,5)and has a slope of 3 ?
3 answers
385 views
What is the equation for the line with a slope of 7 and a y-intercept of -1 ?
1 answer
317 views
Draw and label a diagram of a nitrogen atom. It should have 7 protons,7 neutrons, and 7 electrons
4 answers
2,095 views
A train leaves the station at noon.The train is 180 miles from its destination at 12:45pm,and 90 miles from its destination at
2 answers
559 views
An electron of mass 9.11 10-31 kg has an initial speed of 2.60 105 m/s. It travels in a straight line, and its speed increases
3 answers
1,206 views
A block slides down a frictionless plane having an inclination of θ = 13.2°. The block starts from rest at the top, and the
4 answers
3,779 views
An object of mass m1 = 4.10 kg placed on a frictionless, horizontal table is connected to a string that passes over a pulley and
2 answers
747 views
Two blocks, each of mass m = 3.35 kg are hung from the ceiling of an elevator as in the figure below.
(a) If the elevator moves
2 answers
1,250 views
A 2 stage rocket launches off at an initial angle of 75 degrees above the horizontal. The rocket has a mass of 250 kg, while the
1 answer
623 views
A 145-kg object and a 445-kg object are separated by 3.90 m.
(a) Find the magnitude of the net gravitational force exerted by
2 answers
1,100 views
A ball of mass m 0.285 kg swings in a vertical circular path on a string L = 0.810 m long as in the figure below.
a) If its speed
3 answers
769 views
A rectangular school banner has a length of 36 inches and a width of 52 inches. A sign is made that is similar to the school
2 answers
558 views
When the Sun is directly overhead, a hawk
dives toward the ground at a speed of 6.09 m/s. If the direction of his motion is at an
2 answers
542 views
A shopkeeper buys a table at ₹300 and sells it for Rs.375.Find his loss or gain percentage.
2 answers
573 views
How many pieces 9 in long can be cut from a 15 ft.piece of wood
5 answers
1,054 views
write down a number whose values lie between 5.4 and 5.5
3 answers
315 views
A quarterback throws a spiral to a receiver that is 40m away. The football has a spin of 14 rev/s and went through 58
2 answers
591 views
A steel spring is hung vertically. Using a ruler, the lower end of the spring was measured to be 25.0cm from its upper end.
4 answers
658 views
A steel spring is hung vertically. Using a ruler, the lower end of the spring was measured to be 25.0cm from its upper end.
2 answers
668 views
A 0.1134kg spherical meteor of diameter 3 cm enters the earth’s atmosphere at an elevation of 121920m with a velocity of
2 answers
615 views
An ore car of mass 44000 kg starts from rest
and rolls downhill on tracks from a mine. At the end of the tracks, 26 m lower
2 answers
688 views
(a) Write the expression for y as a function of x and t in SI units for a sinusoidal wave traveling along a rope in the negative
2 answers
719 views
(a) Write the expression for y as a function of x and t in SI units for a sinusoidal wave traveling along a rope in the negative
2 answers
619 views
Will you show me how to put this number in scientific notation.
5,100,000 Thank you.
1 answer
364 views
Please show this number in scientific notation.
.00000698 Thank you.
2 answers
563 views
Please show me how to put this number in scientific notation.
3.000052 Thank you.I appreciate your help.
2 answers
956 views
Is it reasonable or not give me an anwser
3 answers
340 views
Please show the following numbers in standard form.
6.548*10^-3 5.854*10^1 2.25*10^6 Thank you for your help.
1 answer
355 views
Please evaluate the expression and show the answer in scientific notation.
(4.2*10^2)(4.2*10^5) Thank you
1 answer
377 views
Please evaluate this expression with the answer in scientific notation.
(2.5*10^-2)^4 I certainly would appreciate help.Thank
4 answers
592 views
I still need help! Please show a complete evaluation with the answer in scientific notation.
9.6*10^2/3.2*10^5 Thanks very much.
1 answer
331 views
Am I allowed to post 3 related questions? I'll try. Please write these scientific notation answers in standard form showing
1 answer
391 views
Please show me how to simplify these expressions:1) (-x)^2(-x)^5
2) (-3m^3)^2 3) (x/y)^-3 Thanks very much for your
1 answer
405 views
Would you please simplify the following problems:
(4t)^2t^0/t^6v-8 p^-3/p^-2r^3 Thank you for your help.
1 answer
382 views
Please simplify the following expressions:
(x^2+3x-9)+(-4x^2+2x-3) (x-2)(3x+5) (r+3)^2 Thank you for your help.
1 answer
310 views
Please describe and correct the error.
(3x-2(2x-3)= 3x(2x-3)-2(2x-3)=6x^2-9x-4x-6=6x^2-13x-6 Thank you for your help.
3 answers
648 views
Using factoring and the zero-product property,please show how to solve the following problem:
z(z-1)(z+3)=0 Thank you for your
1 answer
442 views
Please simplify the following expressions:
(p^2+4p-23)-(3p^2-23p-23) (5z-2)(5z+2) (2m-4)(m^2+2m+4) Thank you for your much
1 answer
336 views
How do I simplify (2m-4)(m^2+2m+4)?
I appreciate your help,thank you.
1 answer
298 views
Please show solution to simplifying this expression:
( 5z-2 )( 5z+2) Thank you.
2 answers
504 views
Using factoring and zero-product property solve:
4a^2 -10a +6=0 Thank's a lot.
2 answers
568 views
Using factoring and zero-product property,please solve the following:
9r^2 -30r +21=-4 Thanks very much.
1 answer
427 views
How do I completely factor the following expression: w^2 -15 + 54
Thank you.
1 answer
405 views
A football team has a net yardage of-26 1/3 yards on a series of plays. The team needs a net yardage of 10 yards to get a first
4 answers
680 views
Jack has 5 more apples than Jill. Jill has 3 apples. How many apples in total do they have?
1 answer
400 views
Use square roots to solve these equations. Round to the nearest hundredth if necessary.
5x^2 + 536 = 651. Also,problem 2: 3z^2 +
3 answers
1,031 views
A piece of metal of volume 250 cetimetre cube floats in water when 85 percent of it's volume is under water.Calculate the
5 answers
547 views
Can someone show me the complete solution to this word problem?
William,a logistician,needs to route a freight train that is 20
2 answers
548 views
Use this function and find the x-intercepts by factoring; then show how the value of the discriminant supports your
1 answer
421 views
y=x^2 -4x-32. Use this function to describe how the axis of symmetry relates to the x-intercepts.
Thanks for your help and time.
1 answer
364 views
I'm sorry about the carelessness of my first question. The correction should read: y=x^2-4x -32.Use this function to find the
1 answer
404 views
Imagine you have been given a series of materials to react together and the following enthalpy change data has been recorded.
1 answer
1,170 views
Simplify using long division.Show all work.
(-72-4x^2+8x^3-36x)/(x-3) Also,please solve (8b^3-6)/(2b-1) I greatly appreciate your
2 answers
962 views
In the midsize Station wagon category, the Mercedes Benz E63 AMG S 4matix averages 15.63 L/100km while the Toyota Prius v
3 answers
426 views
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