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Noah
Questions and answers by
Noah
Questions (154)
A lighthouse stands 450 m off a straight shore and the focused beam of its light revolves four times each minute. As shown in
4 answers
3,406 views
Can someone please check my answers.
1. Solve. –7x + 1 + 8x = x + 1 A) Identity B) No solution C) 1 D) 0 My answer: A) Identity
4 answers
772 views
I posted this yesterday but no one told me if my answers were correct.
Can someone please check my answers. 1. Solve. –7x + 1 +
2 answers
556 views
Could someone correct my answers and help with the other problems?
1. Are the following lines parallel, perpendicular, or
1 answer
529 views
How does Walt Whitman's atitude change toward death during his poem "When Lilacs Last In The Dooryard Bloom'D" What does he
2 answers
539 views
How does Walt Whitman's atitude change toward death during his poem "When Lilacs Last In The Dooryard Bloom'D" What does he
2 answers
993 views
How does Walt Whitman's atitude change toward death during his poem "When Lilacs Last In The Dooryard Bloom'D" What does he
3 answers
751 views
I posted this question twice by mistake and the response was the same. It said there is a response and to check the other post.
2 answers
595 views
Can someone explain this question to me and help me find some sites. I'm a little lost.
Describe the connection between student
7 answers
1,108 views
Without the invention of the microscope, would the cell theory have been possible?
I don't think it would have been possible
3 answers
1,552 views
1.In this problem, we will analyze the profit found for sales of decorative tiles. A demand equation (sometimes called a demand
10 answers
1,034 views
I just need help with the number game part. I can't think of any kinds of games to come up with?
Take any number (except for 1).
3 answers
687 views
How is doing operations (adding, subtracting, multiplying, and dividing) with rational expressions similar to or different from
2 answers
546 views
21 3/14 how would I round that to the nearest 1/5inch
1 answer
350 views
How did Mendel's novel approach contribute to his success in describing how traits are inherited?
2 answers
898 views
Find all numbers for which the rational expression is undefined?
3/9w+7 Can someone help me figure this out?
3 answers
414 views
Simplify by removing factors of one.
x^2-4/2-x would the answer be x + 2/ -1
1 answer
359 views
LCM of 3(t-2) and 6(t-2)
IS the LCM 18(t-2)
1 answer
357 views
I asked this question earlier and wasn't sure what the answer was. Find all numbers for which the rational expression is
5 answers
439 views
Could someone review and correct my answers please. I need to decide if each item was an initiative only within Kennedy’s New
4 answers
907 views
Can someone help me get started with this question. I don't understand history at all and can't find any exact answers.
How did
4 answers
555 views
I need help describing the social, economic, and political composition of the decade of corporate greed and how it affected the
5 answers
1,108 views
Which political events of the 1980s had the most influence on the collapse of Communism in Europe and the end of the Cold War?
1 answer
471 views
how do I do this one?
I am a common factor of 693 and 189 I am also a factor of 525 I am greater than 10 What number am I
4 answers
392 views
What is the equation for
terms 1 2 3 4 5 6 499 498 497 496 495 494 and what is the 40th term?
4 answers
419 views
What is the complete predicate in the question: Did you know the ancient Greeks wrote many plays?
4 answers
674 views
Estimate the product of $4.67 and 43.
4 answers
181 views
I have a paper due tomorrow and I need to include my personal interview, how would I do this in APA format? Any help would be
2 answers
570 views
Why does the flag of Kenya have a shield on it?
thanks
1 answer
312 views
Teresa has 4 flower pots in 4 different designs. How many different ways(positions) can she display her flowers?
4 answers
909 views
Teresa has 4 flowers, 4 designs. How many ways can she display/mix them up.
Thank you ....but 4x4 seems too simple. If I line up
2 answers
955 views
A student pulls a backpack weighing 70 N a distance of 50m with a force 25N What amount of force does the student do?
1 answer
429 views
In 2001, credit card companies mailed 5 billion credit card applications to 262 million people. On average, how many
1 answer
459 views
Why would author Charles Dickens write about poverty and generosity in his writings A Christmas Carol?
2 answers
882 views
It takes the earth about 31,558,100 seconds to circle the sun. By how many seconds does this exceed the number of seconds in 365
3 answers
430 views
My teacher asked us to take five photographs and then in each find four mathematical concepts. She wants us to go beyond the
1 answer
281 views
What is a good focus question for a research project on woodstock.For example, what is the effect of woodstock on....
2 answers
545 views
Why do different elements "glow" when excited?
1 answer
432 views
there family has went to yellowstone national park
This is the sentence that I have to correct and I keep getting it wrong. I
6 answers
3,081 views
How do I solve the following equation
4-7^2x=1
1 answer
291 views
evaluate without using a calculator
lg(1/10)
1 answer
366 views
Method collected twice as much money as Lucy for a walkathon. Together they collected $120. much money did each person collect?
1 answer
454 views
The line 2x+3y=1 intersects the curve x(x+y)=10 at A and B. Calculate the coordinates of A and B.
4 answers
1,942 views
a spinner with the numbers 1,2,3,4,5 Make a table showing the possible sumsw of the two spins.
3 answers
520 views
2Na + 2H2O = 2NaOH + H2
Calculat the moles and volume of hydrogen produced when 0.2 moles of sodium reacts with excess water.
4 answers
2,422 views
need help how to solve rounding riddles?
rounded to the nearest ten. I am 170. The sum of my digits is 14.
3 answers
577 views
How many homophones can you make with Halloween?
1 answer
450 views
A christmas bulb of mass W is swung in a vertical circle on a cord length Y. What minimum speed v needed at the top of the
3 answers
418 views
Calculate the number of mL of hydrogen gas at 27 degrees Celsius and 640 Torr produced by the reaction of 0.520 grams of
3 answers
444 views
Uranium-238 decays to Lead-206. The half life of Uranium-238 is 4.5 billion years. If you have a 100 g sample. How much sample
5 answers
1,102 views
a buffer is to be prepared by adding solid sodium acetate to 0.10M CH3COOH. Which othe following concentrations of sodium
4 answers
3,243 views
"Hi. This is my first time here. Anyway, what do I do to answer this statement?-
'Discuss the the narrator's success in the
1 answer
494 views
The shell’s trajectory curves downward because of gravity, so at the time t = 0.217 s
the shell is below the straight line by
4 answers
1,915 views
A cannon fires a 0.639 kg shell with initial
velocity vi = 10 m/s in the direction θ = 55 ◦ above the horizontal. The
4 answers
3,924 views
Assume: A 78 g basketball is launched at an angle of 46.7
◦ and a distance of 18.6 m from the basketball goal. The ball is
3 answers
1,931 views
A 0.67 kg rock is projected from the edge of
the top of a building with an initial velocity of 11.6 m/s at an angle 52 ◦ above
4 answers
6,004 views
A quarterback throws the football to a stationary receiver who is 15.2 m down the field.
The football is thrown at an initial
4 answers
840 views
A baseball is thrown at an angle of 25 ◦ relative to the ground at a speed of 27.6 m/s. The ball is caught 59.4844 m from the
3 answers
2,620 views
A quarterback throws the football to a stationary receiver who is 15.2 m down the field.
The football is thrown at an initial
1 answer
450 views
A ball is thrown horizontally from the top of
a building 51 m high. The ball strikes the ground at a point 120 m from the base of
1 answer
445 views
A parachutist with a camera, both descending at a speed of 9.2 m/s, releases the camera
at an altitude of 32.3 m. What is the
2 answers
865 views
A home run is hit such a way that the baseball
just clears a wall 30 m high located 114 m from home plate. The ball is hit at an
1 answer
639 views
A bullet of mass 0.0022 kg moving at 568 m/s
impacts a large fixed block of wood and travels 5.2 cm before coming to rest.
1 answer
1,103 views
To test the performance of its tires, a car
travels along a perfectly flat (no banking) circular track of radius 120 m. The car
4 answers
5,467 views
two forces, one of 35 pounds and the other 62 pounds, act upon the same object. The angle between these forces is 25 degrees.
2 answers
823 views
A curve in a road is banked. There is a car on the curve. What is the component of its weight parallel to the incline? The
2 answers
468 views
A 605-kg racing car completes one lap in 14.3 s around a circular track with a radius of 40.0 m. The car moves at constant
3 answers
946 views
A powerboat heads due northwest at 11 m/s relative to the water across a river that flows due north at 5.4 m/s. What is the
3 answers
1,096 views
An airplane flies due south at 185 km/h relative to the air. There is a wind blowing at 68 km/h to the east relative to the
4 answers
879 views
A 605-kg racing car completes one lap in 14.3 s around a circular track with a radius of 40.0 m. The car moves at constant
4 answers
2,729 views
A hockey puck has a mass of 0.118 kg and is at rest. A hockey player makes a shot, exerting a constant force of 28.0 N on the
2 answers
756 views
A lawn roller is pushed across a lawn by a force of 103 N along the direction of the handle, which is 22.5° above the
1 answer
441 views
A student librarian picks up a 2.2 kg book from the floor to a height of 1.05 m. He carries the book 8.3 m to the stacks and
1 answer
1,127 views
A 0.201-kg plastic ball moves with a velocity of 0.30 m/s. It collides with a second plastic ball of mass 0.105 kg, which is
2 answers
949 views
Small rockets are used to make tiny adjustments in the speeds of satellites. One such rocket has a thrust of 35 N. If it is
2 answers
507 views
A 0.201-kg plastic ball moves with a velocity of 0.30 m/s. It collides with a second plastic ball of mass 0.105 kg, which is
1 answer
473 views
How much potential energy does DeAnna with a mass 57.0 kg, gain when he climbs a gymnasium rope a distance of 3.7 m?
2 answers
651 views
A 17 kg rock, m, is on the edge of a 105 m cliff, h, as shown in Figure 11-20. Assume that air resistance is negligible.
What
4 answers
1,118 views
A 2.2 kg rock initially at rest loses 412 J of potential energy while falling to the ground. Assume that air resistance is
3 answers
2,692 views
You have 60 red socks and 30 blue socks unpaired in a drawer. You can not see the socks, they are in a drawer and it is dark.
2 answers
910 views
if jan has 7 stickers and her brother gives her 6 more how many does she have in total? which double fact can you use to figure
1 answer
378 views
I have rabbits abd chickens. Between them, I count 35 heads. How many rabbits and how many chickens do I have?
3 answers
434 views
Imagine a spring floating in space. This spring has a very small length when it is unstretched. The spring constant for this
2 answers
569 views
What is the maximum current allowed in a 7.5 W, 300 resistor?
1 answer
411 views
Stefan drove 558 in 9 hours. He then drove 120 miles in 3 hours. What was Stefan's average speed for the whole trip???
3 answers
444 views
If you mix 50 grams of NaHCO3 in 2.0 liters of water, calculate molarity & molality
1 answer
451 views
Customers arrive at a movie theater at the advertised movie time only to find that they have to sit through several previews and
4 answers
2,379 views
Two carts with masses of 4.20 kg and 2.44 kg move toward each other on a frictionless track with speeds of 4.92 m/s and 3.87 m/s
1 answer
460 views
If the density of ethyl alcohol is 0.789 g/mL, how many quarts can be produced by the fermentation of 100.0 lb of sugar?
5 answers
3,347 views
when electricity is passed through water, the water decomposes into hydrogen gas and oxygen gas. when 10.00 kg of water were
4 answers
863 views
Two people start from the same point. One walks east at 4 mi/h and the other walks northeast at 3 mi/h. How fast is the distance
2 answers
871 views
a solution of 25 ml of HCL is neutralized by 42.5 ml of 0.10 M concentration of NaOH.Need to write a balanced equation for the
1 answer
457 views
Consider the following description of a voltaic cell: A 1.0 M solution of Ni(NO3)2 is placed in a beaker with a strip of nickel
4 answers
1,989 views
Classify each of the reactions.
precipitation, acid-base neutralization, redox C2H4(g)+3O2(g)----> 2CO2(g)+2H2O(l)
4 answers
3,857 views
the ratio of gas to ethanol is 17 to 3, how much ethanol is in 600 gallons of mixture
1 answer
306 views
What role did caliph play in history ?
1 answer
478 views
What is the difference between the Sunni and the Shiite Muslims? Why did they split?
1 answer
462 views
a ball is projected horizontally from the edge of a table that is 2.00m high and it strikes the floor at 2.40m from the base of
2 answers
627 views
Y=5sin(3.14(x-3.14/4))
1 answer
398 views
The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 165 and a variance of 16.
3 answers
468 views
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