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Jack
Questions and answers by visitors named
Jack
, page 8
Questions (1,125)
Two blocks,each of mass 3.0 kg are connected by a light cord and placed on a horizontal surfabe when a horizontal force of 20
3 answers
631 views
Charles is going camping with hisis family. Their campsite is five eighths
5 8 mile away. They walk at a steady speed of 1 and
3 answers
552 views
(i) Evaluate integral [ x^3 / (x^2 + 4)^2 ] using trigonometric substitution.
(ii) Evaluate integral [ x^3 / (x^2 + 4)^2 ] using
2 answers
1,236 views
Sarah walks 5 miles 35 degrees north of east, and then decides to walk 6 miles due west. What is her final displacement?
I drew
2 answers
486 views
When a mass is hung from a spring stretches it by 15 cm. What is the period of the oscillations of this system?
2 answers
561 views
A manufacturer estimates that when x units of a particular commodity are
produced each month, the total cost (in dollars) will be
2 answers
1,147 views
At 983 torr of pressure, 1.62 grams of a gas dissolves in 2.0L of water at 10'C. What mass of gas will dissolved in 2.0L of
1 answer
398 views
find the measure of the x in the triangle. the other two points are 65 degrees.
1 answer
360 views
In "How Beaver Stole," what changes to the land does Beaver cause when he runs away with fire?
5 answers
1,691 views
Hey Ms. Sue I feel ya, lots of cheaters on this website I understand, but sadly you can't do anything because from the beginning
7 answers
602 views
The perimeter of a triangle is 33 inches. The sum of the length of the longest side and twice the length of the
shortest side is
2 answers
1,084 views
i need this answer A.S.A.P
what is the volume of pyramid C if the volume of pyramid D is 4608 m cubed and the height of pyramid D
1 answer
316 views
What factors influenced the perceptions and attitudes of Americans towards the division of power between federal and state
2 answers
13,546 views
A square based pyramid, with a perpendicular height of 15cm I'd placed on a table.
The weight of the pyramid is 70.56N. The
4 answers
1,882 views
How much energy is stored by the electric field between two square plates, 7.9 cm on a side, separated by a 2.5-mm air gap? The
3 answers
1,403 views
What is the resistance of a 3.9-m length of copper wire 1.1 mm in diameter? The resistivity of copper is 1.68×10^−8Ω⋅m.
R=_
2 answers
542 views
Circuit
I-----R-------I I-I--I-----R----I---I-----I I I-------R------I I I I I--------/ I--------------I E=15v All R= 7ohom What
1 answer
302 views
Important animal reasource of great plain Indians
4 answers
391 views
Juan is cutting lumber into one half foot lenths.How many one half foot lengths will he get from an 8 foot long piece of lumber?
2 answers
508 views
what is nato why was it formed what did prime minister mean when he said it is vital to the defense of freedom, to ,maintain
1 answer
377 views
What commitments did Canada make as a member of NATO? How did membership in NATO affect Canada's foreign policy?
2 answers
535 views
only 2 percent of the oxygen intake in humans is used by respiratory muscles. do you think the percent of oxygen used by
3 answers
654 views
what is the direction of blood flow in relation to the direction of water flow over the gills
2 answers
497 views
The rate of oxygen uptake by gills depends on the surface area, the number, and the thickness of the lamellae across which
oxygen
2 answers
493 views
Explain why oxygen consumption varies with body weight.?
1 answer
321 views
why inscribed quadrilaterals have opposite angles that are supplementary?
4 answers
761 views
Use the theorems that you that you have learned about inscribed angles and intercepted arcs to explain why inscribed
2 answers
521 views
Use the theorems that you that you have learned about inscribed angles and intercepted arcs to explain why inscribed
2 answers
613 views
The graph shows the progress of a car which traveled 300 km in 5 hrs. Assuming that its speed remained constant, how far had the
2 answers
637 views
How many grams of steam at 100C must be mixed with 200g of water at 20C in order for the equilibrium temperature to be 50C?
2 answers
995 views
What quantity of heat is needed to convert 1kg of ice at -10C to liquid at 20C?
3 answers
631 views
Given that a and b are nonnegative real numbers such that a+2b=60, what is the largest possible value of ab?
And If f(x) = x^2 -
5 answers
1,596 views
Emma is X months older than molly. If molly is 9 months old, write an expression for emmas age
M= Months x= emmas age XM= 9 ?
1 answer
453 views
The following stem-and-leaf plot values show the average monthly sales commissions (in hundreds of dollars)for a major co
rporati
1 answer
457 views
The following stem-and-leaf plot values shows the average monthly sales commissions (in hundreds of dollars)for a major
2 answers
514 views
The values from a stem-and-leaf plot are:27,27,29,33,38,44,44,44,46,50,58,in numerical order.Please explain how to find the
1 answer
417 views
First Inc. is facing a liquidity problem and needs to issue a perpetual bond that is callable only at the end of year 2. The
1 answer
756 views
The cheetah can reach a top speed of 114 km/h (71 mi/h). While chasing its prey in a short sprint, a cheetah starts from rest
2 answers
1,118 views
The track at Coolidge Middle School is 14 of a mile long. It takes Melissa 1 minute and 40 seconds to run around the track.
How
3 answers
634 views
-5g - 6 for g=-2
1 answer
271 views
1) -5g-6 for g = -2
2) Write an algebraic expression for the sum of 3 Coins and c Coins 3) What Value of x is a solution to the
7 answers
823 views
1) -5g-6 for g = -2
2) Write an algebraic expression for the sum of 3 Coins and c Coins 3) What Value of x is a solution to the
10 answers
1,956 views
Evaluate
-5g-6 for g = -2
2 answers
741 views
Write an algebraic expression for the sum of 3 Coins and c Coins
48 answers
10,931 views
What Value of x is a solution to the equation? x-2 = 16
2 answers
616 views
Solve the equation
2.8x = -9.24
4 answers
1,286 views
Solve the equation
5.8 = z/2.2
11 answers
2,089 views
Solve using metal math.
a) 4y+3=19 b) 2+3m=17
9 answers
1,963 views
Why was northern Italy a natural birthplace for the Renaissance?
10 answers
1,069 views
you want to buy three books that are on sale at 20% off. the original prices of the books are $2.50, $4.95, and $6.00. How much
5 answers
859 views
d+g/h for d =35, g = 19, and h=6
11 answers
3,226 views
The cost in dollars of a class party is 59+13n, where n is the number of people attending. What is the cost for 44 people.
10 answers
4,653 views
an object is moving along the x-axis such that the position of the object in masters at time t in seconds is giving by the
2 answers
720 views
What was the 54 mile civil rights march called that was after bloody Sunday?
4 answers
435 views
Write the ratio as a unit rate.
8 meters in 10 seconds. A. 0.8 meter per second B. 1.125 meters per second** C. 2 meters per
5 answers
1,308 views
Write the ratio as a unit rate
6 answers
1,364 views
Convert the map scale to unit rate. How many inches represent one mile? Show Your work. Interpret the meaning of unit rate. 3/10
6 answers
2,477 views
Which Ratios for a proportion?
A. 4/9,12/25 B. 3/7,18/42 C. 5/11,20/45 D. 5/8,15/25 Which ratio forms a proportion with 18/30? A.
11 answers
1,681 views
Which Ratios for a proportion?
A. 4/9,12/25 B. 3/7,18/42 C. 5/11,20/45 D. 5/8,15/25
3 answers
385 views
Which ratio forms a proportion with 18/30?
A. 20/35 B. 50/90 C. 36/48 D. 60/100
10 answers
2,190 views
Which proportion has cross products of 5*24 and 8*15?
A. 5/8 = 15/24 B. 5/24 = 8/15 C. 8/24 = 15/5 D. 15/8 = 5/24
3 answers
869 views
Which of the following body systems does the immune system rely on to provide the first line of defense against pathogens.
A.
10 answers
2,191 views
Detemine the sequence as arithmetic, geometric, both or neither. 16,8,4,2,...
5 answers
506 views
What is the next term in the sequence 81, 27, 3, 1, 1/3...
3 answers
479 views
Hwan decides to lose weight before the wrestling season begins. He weighs 148 pounds now and loses one pound per week for six
4 answers
620 views
Hwan decides to lose weight before the wrestling season begins. He weighs 148 pounds now and loses one pound per week for six
4 answers
510 views
Pedro earns 7.50 dollars an hour at his job at Matrix Cinemas. If he works 20 hours this week and his employer withholds a total
5 answers
750 views
Tamika’s dad bought a Mustang convertible for 12,000 dollars to celebrate his first job in 1978, which paid him 15,000 dollars
3 answers
765 views
kory is standing near a building that has a shadow that is 14 feet long. Kris is 5.5 feet tall, and the length of her shadow is
7 answers
616 views
50 is what percent of 13?
Thanks
4 answers
406 views
Find the unit rate for a sponge cake that weighs 25 ounces and has 2750 calories.
A. 0.009 calories per ounce B. 110 calories per
3 answers
591 views
Elliot has twice as many trading cards as Sam. Elliot has 20 trading cards. write and equation and use it to determine the
7 answers
659 views
solve the equation t/4=20
1 answer
386 views
The goal of this project is to model the longitudinal motion of a Segway and design a PID controller for it. The model must
1 answer
457 views
How is log(base(x))x^m-1=1
My Answer Key says m-1+1=0 but I don't understand that solution
1 answer
440 views
1) What unit is speed measured in?
2) Why is it important to include units when describing motion? I've read this entire lesson.
2 answers
506 views
A 2.60-kg block is attached to a horizontal spring that has a spring constant of 214 N/m. At the instant when the displacement
3 answers
558 views
The pupil of an eagle’s eye has a diameter of 6.0 mm. Two field mice are separated by 0.010 m. From a distance of 182 m, the
1 answer
957 views
In Young's experiment a mixture of orange light (611 nm) and blue light (471 nm) shines on the double slit. The centers of the
1 answer
713 views
The distance between two successive crests of a certain transverse wave is 1.10 m. 10 crests pass a given point along the
2 answers
640 views
plane’s sound detector perceives the horn’s sound, the plane has traveled a distance equal to one-half its altitude above
3 answers
546 views
1. A concave spherical mirror has a radius of curvature of 29.4 cm. The object distance is 5.7 cm . Find the magnitude of the
2 answers
906 views
Out of 25 students 3 were absent. What percent of the students
Were absent Were present
2 answers
842 views
Fiona is repairing the wiring on a radio broadcast tower. She is in the basket of the repair truck 40m from the tower. if she
4 answers
1,190 views
What is the endocrine system for.
1 answer
439 views
If 2/y+2 = -3/y-3, then what is the value of y?
A. -3 B. -2 C. 0 D. 2
1 answer
333 views
Which of the following is true about the single-celled paramecium?
A. It is an example of a higher form of animal B. It has life
3 answers
700 views
Prove that tan4x=4tanx(1-tan²x)/1-6tan²x+tan⁴x.
2 answers
876 views
Write and expression to represent the area of a trapezoid, which can be found by multiplying the height of the trapezoid by half
4 answers
3,397 views
1. A car travels 80 mi at a speed of 55mi/h. It encounters traffic and only travels at a speed of 15mi/h for a distance of 5mi.
2
2 answers
590 views
1. A car travels 80 mi at a speed of 55mi/h. It encounters traffic and only travels at a speed of 15mi/h for a distance of 5mi.
2
2 answers
551 views
If a car accelerates at a constant rate of -5.60m/s^2 while braking, the velocity changes from +12.5m/s to +3.30m/s.
a) determine
1 answer
448 views
What is 2 * 2+ 2?
1 answer
418 views
How are seamounts like the Rockies a bath or forms of mountain be both are made from the same kind of rock see both are
6 answers
1,122 views
Granite last a long time when it is used for building in areas we are a repeat of freezing and thawing it is in common be the
2 answers
689 views
Suppose two dice(one red, one green) are rolled. Consider the following events, A: the red die shows 3; B: the numbers add up to
4 answers
1,000 views
Suppose two dice(one red, one green) are rolled. Consider the following events, A: the red die shows 1; B: the numbers add to 3;
2 answers
1,188 views
What is the product of (2x^3) and (4x^4)
1 answer
382 views
In what aspects of Japanese culture would you find influence of Chinese culture? Select all that apply.
A. gardening B. currency
4 answers
1,233 views
A manufacturer uses a mold to make a part in the shape of a triangular prism. The dimensions of the part are shown below.
10.77mm
5 answers
2,014 views
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