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Joy
Questions and answers by visitors named
Joy
Questions (413)
A road starts at a college and goes due north for 2000m, it then goes 2000m on a bearing 040 degree and ends at a market. How
5 answers
asked by
Joy
1,681 views
if the mole fractionof sulfuric acid (H2SO4) in an aqueous solitioin is 0.325, what is the percent by mass of H2SO4?
5 answers
5,728 views
How many days does it take for a perfect blackbody cube (0.0100m on a side, 30.0 degree C)to radiate the same amount of energy
5 answers
3,316 views
Write half equation s for the following reaction.
Cu(s)+2AgNO3(aq) produces Cu(NO3)2(aq)+2Ag.
5 answers
3,685 views
From a point on the ground 25 ft. from the foot of the tree, the angle of elevation of the top of the tree is 32 degrees. How do
4 answers
2,703 views
A solution is made by mixing 42.0 mL of ethanol, C2H6O, and 58.0 mL of water. Assuming ideal behavior, what is the vapor
6 answers
5,407 views
What is the mass of 1.75 x 10^24 molecules of NH3?
4 answers
2,141 views
What volume of distilled water should be added to 400cm3 of 2.0mol/dm 3 H2SO4 to obtain 0.20mol/dm3 of solution
3 answers
1,244 views
A particle starts from rest and moves with a constant acceleration of 0.5m/s2. Calculate the time taken by the particle to cover
3 answers
1,249 views
what is the effect on potato slices exposed to air
They dehydrate
1 answer
390 views
How to solve,
1300cm2=m2 1 m = 100 cm 1 m<sup>2</sup> = 100<sup>2</sup> cm<sup>2</sup>
2 answers
474 views
which organic compounds and cllular orgaelles are involved in protein synthesis?
1 answer
894 views
What is a topic sentence?
Since I do not know what grade you are in, here are two sites on Topic Sentences. The first is for
1 answer
566 views
A student earns $0.65 for each mistake she finds in a text. Sketch the equation of direct variation.
An equation of direct
1 answer
484 views
This needs to be solved and put in equation form. Seems simple but not sure if I am figuring it right.
Jill has $3.50 in nickels
3 answers
401 views
2+square root of 4-x=x
rewrite it as √(4-x) = x-2 now square both sides 4-x = x^2 - 4x + 4 x(x-3)=0 so x = 0 or x = 3
1 answer
337 views
simplify
the cube root of -54x^6y^4 Crt(-54) = -3Crt(2)....(Crt means cube) root Crt(x^6) = x^2 Crt(y^4) = yCrt(y) Now can you
3 answers
565 views
Solve
2+ the square root of 4-x=x what is your question? ok lets start by arranging everything so its easier to solve.. u want to
1 answer
621 views
What does "range" mean?
thanks =o)
4 answers
291 views
Can someone provide a link to ancient Gothic music? I need to describe the music from this era.
10 answers
691 views
please check my answers and help me with the last one please, I cant get it to come out right.
Divide using long division or
2 answers
510 views
Two similar triangles have a scale factor of 5/3.
a) Find the perimeter ratio copy/original b) Find the area ratio copy/original
2 answers
1,096 views
How do you calculate an area of a triangle again?
1 answer
323 views
A triangle is enlarged by a scale factor of 10/3.
a) If the perimeter of the copy is 36 meters, find the perimeter of the
3 answers
736 views
The biggest attraction at the new amusement park, World of Fun, is the huge slide that goes under the ground. To get to the top
1 answer
418 views
The biggest attraction at the new amusement park, World of Fun, is the huge slide that goes under the ground. To get to the top
1 answer
487 views
Zelda photocopied a rectangle that was 10cm by 16cm. She set the enlargement feature to 125%. Write a proportion and solve them
1 answer
371 views
Ray's son, Martin, plays for the mnor league baseball team, The Cow-A-Bungas. He is the star player, and outfielder with a
3 answers
619 views
Write an equation to solve the following problem.
During the season, two apple trees and three pear trees produced a total of 126
2 answers
599 views
Write an equation to solve the following problem.
During the season, two apple trees and three pear trees produced a total of 126
4 answers
1,074 views
Find the differences between the following values:
a) 217 and -198 b) 1 2/3 and 3/4 c) $o.59 and $1.25 What am I suppose to do?
3 answers
474 views
1) Should the North help the South or not because they lost the Civil War?
2) Should Southerners be forgiven if they swear
2 answers
504 views
In 2002 the rate for a first class U.S. postage stamp increased to $0.37. This represent a $0.34 increase since 1917. What is
1 answer
456 views
I don't really know how to find what the lenght of the hypotenuse is.
- If the length of leg #1 is 5, and the length of leg#2 is
1 answer
404 views
The Sun puts out 3.9 x 10^26 J of energy per second. Assuming 100% conversion to energy, how much mass is required to create
4 answers
367 views
What is the formula to find the area of a circle?
May I have an example?
1 answer
448 views
during this era ______ no humans lived in Washington.
My class is talking about the Plateau and Coastal Indians if that helps a
2 answers
509 views
How do you find an equation if you only a have a graph. Like, its already graphed??
2 answers
828 views
Who would be interest in a data in which the data is a recorded age (in months) of when infants first walked and Why?
I need
3 answers
414 views
Where do I add parentheses to make this expression equal a 1 when it is simplified?
Expression: 6 + 9 / 3 - 2 When this
3 answers
1,188 views
Where do I add parentheses to make this expression equal a 1 when it is simplified?
Expression: 6 + 9 / 3 - 2 When this
9 answers
564 views
A talk-radio station airs commercials during any time not used for discussions with callers. Commercial time on the station
2 answers
545 views
How many values of x make each statement true? Explain your reasoning.
a) 3x+3=3(x+1) b) x-4-x=0 I don't get what the question is
4 answers
538 views
How many values of x make each statement true? Explain your reasoning.
a) 3x+3=3(x+1) b) x-4-x=0 I don't get what the question is
5 answers
703 views
Describe a situation in which a graph is more helpful thana table. Explain why.
I can't thing of any situation that relates to
6 answers
489 views
Convert these mertic measurements:
1. 5.7g =_____cg =_______mg 2.3326mm =______m =________km 3. 254cm =_______m =_____dm Can you
3 answers
400 views
In metric, we use_______to measure volume.
is the answer mass ??
4 answers
419 views
5. Volume is an object is how much ________ it takes up.
6. When we measure the temperature of an object in the metric system, we
2 answers
716 views
Milwaukee Surgical Supplies, Inc, sells on terms of 3/10, net 30. Gross sales for the year are $1,200,000 and the collections
4 answers
3,073 views
Explain why the graph of an equation in the form y=kx always goes through the origin. Give an example of a graph that shows
4 answers
2,618 views
Can a steep slope be a negative slope?
Why?
3 answers
312 views
Musicians generate sound waves when they sing or play an instrument. The rate at which a sound wave vibrates determines the
19 answers
620 views
Montreal and Quebec City are about 260km apart along Route 20 in Canada.
Sylvia is leaving Montreal to go to Quebec City at a
4 answers
423 views
Montreal and Quebec City are about 260km apart along Route 20 in Canada.
Sylvia is leaving Montreal to go to Quebec City at a
2 answers
701 views
How do you get a variable term from one side of an equation onto the other side?
Can I get an example please?
3 answers
444 views
Draw two squares of appropriate size to compare the areas of Alaska (591,004 miles squared) and Texas (266,807 miles squared).
*
4 answers
390 views
When 2-methylpropene is bubbled into dilute sulfuric acid at room temperature, it appears to dissolve. What new substance has
4 answers
1,857 views
Box A has 3 black marbles and 2 white ones, Box B has 2 black marbles and 1 white one. If i close my eyes and pick a blaack
4 answers
436 views
I skakeboard 5 blocks west abd 8 miles north to get to my friend's house. Each block is 1/8 in length. How far does it take me
1 answer
444 views
I missed the lesson for this unit.
(=sqaure root sign How do you solve these step by step: - 2(5 + 4(5
1 answer
422 views
Change each decimal to a fraction in lowest terms.
1) 0.4242.... Answer: 14/33 2)0.58 Answer: 29/50 3)0.14 (Repeating sign over
4 answers
943 views
4. 3�ã11 + 4�ã11 Answer: 8�ã11
7. 7�ã2 - 2�ã8 Answer: 1�ã2 ?? 8. �ã48 + �ã75 Answer: 9�ã3 9.(3�ã10) Answer:
2 answers
1,182 views
Write each expression in simplest form.
( means square root 4. 3�(11 + 4�(11 Answer: 8(11 7. 7�(2 - 2(8 Answer: 1(2 ?? 8.
1 answer
767 views
{ this means means square root
How do you solve these kind of radicals: 1. (5-{14)*(3-{2) 2. (4{2+2)*(3{3-1) Can someone show me
3 answers
469 views
Rewrite each polynomial as the product of two binomials.
1. y^2 + 6y + 9 2. 25x^2 - 10x + 1 3. 36 - y^2 Can someone please help
3 answers
531 views
Write each decimal as a fraction in lowest terms.
1. 0.111... Answer: 1/9 2. 0.02 Answer: 1/50 3. 0.7272... Answer: 8/11 4.
5 answers
2,115 views
Find each product.
{ this means the square root sign. 1. (3+2{20)(5+3{45) 2. The length and width of the rectangle are x-5 and
5 answers
1,023 views
Find each product.
{ this means the square root sign. 1. (3+2{20)(5+3{45) 2. The length and width of the rectangle are x-5 and
4 answers
513 views
Find the length of the 3rd side of each right triangle.
1. 8^2+15^2=c^2 Answer: c=17 2. 5^2+b^2=13^2 Answer: b=12 3. 9^2+13^2=c^2
6 answers
1,220 views
Add or Subtract (Radicals)
{ this means squared 1.3{2 + 4{2 Answer: 7{2 2. 8{3 + 3{3 Answer: 11{3 3. 7{5 - 3{5 Answer: 4{5 4. 8{2
7 answers
858 views
what is the heaviest element that has only one isotope and is not radioactive?
1 answer
286 views
What is the heaviest element that has only one isotope and is not radioactive?
2 answers
488 views
What are current United States changes to policies concerning the treatment of Muslim and Arabic members of society?
2 answers
924 views
What are the current changes in U.S. policies concerning the treatment of Muslim and Arabic Americans?
4 answers
735 views
"According to current research and news reports, what are some of the changes the U.S. has make to policies concerning the
2 answers
509 views
Thank you Ms.Sue,
That's what I thought since I have checked online and come up with nothing new either.
1 answer
269 views
How do you solve these types of problems?
1) 3 - n = 32 3m - 8n - 6 = 0 2) 2p - q = 8 1/3p + 1/4q = 3
1 answer
385 views
Please!
It's almost my bedtime!
1 answer
461 views
I am having a hard time figuring out the equations for these problems.
1) The perimeter of a rectangle is 160 feet. One fourth
3 answers
726 views
1) An airplane took 2 hours to fly 600 km against a head wind. The return trip with the wind took 1 2/3 hours. Find the speed of
5 answers
1,247 views
10) a. A recipe for pizza dough says to use a 10 in. by 14 in. rectangular pan. Jake only has a circular pan with a 12 in.
4 answers
2,086 views
10) a. A recipe for pizza dough says to use a 10 in. by 14 in. rectangular pan. Jake only has a circular pan with a 12 in.
3 answers
691 views
For a graph of the equation
y = x^2 + bx + c, the x-coordinate of the vertex is a function of b. Write an equation for the
3 answers
553 views
If S represents the greater of the two solutions of the equation
x^2 - 4x - 3 = 5, then : A) S>3 B) S<3 C) S=3 D) relationship
5 answers
348 views
You know how to solve quadratic equations using algebra, graphs and the quadratic formula. Sometimes one method of solving is
3 answers
657 views
I need to know a quadratic equation that have:
1) exactly one negative solution
1 answer
322 views
The value of an investment t years after you make an initial deposit of $500 depends on the interest rate I. Find the value of
1 answer
460 views
To make the Chinese dish "dragon's beard noodles," fold a 5 ft. strand of dough in half. Stretch the dough back to its original
4 answers
463 views
Simplify each expression. Write your answers using positive exponents.
Check Answers Please: 1) 2^3*2^4 = 2^7 2)10^6/10^9 =
4 answers
1,431 views
in a reaction,2 NO2(g), <=> N2O4 the rate of disappearance of N2O4 is 2.95 mol/min. What is the rate of disappearance of NO2?
2 answers
578 views
Why is there less phosphate in New Zealand soils?
1 answer
341 views
Simplify each rational expression.
1. (x^2+1)/(x+1) 2. (y^2+4)/(y+2) Check Answers: 3.(2t^2+6t+4)/(4t^2-12t-16) Answer:
1 answer
409 views
A 24-cm segment is divided into two segments. One segment is three times as long as the other. Find the lenghts of both
1 answer
472 views
How would you solve the following 2 equations for "X"?
x-4(divided by)12=7(divided by3 and 100(divided by)30=4(divided by)3x
3 answers
738 views
I just want to know if anyone can help me in determining if I am on track with this assignment and if anyone can point out where
3 answers
820 views
Problems the government faced in mobilizaing the public and the economy and the rising of an army for world war 1
1 answer
457 views
Over July 16, 1882, a massive thunderstorm over Dubuque, Iowa, produced huge hailstones. The diameter of some of the hailstones
5 answers
1,491 views
How much greater is 4x+280 than 3x+125
1 answer
276 views
A car is traveling around a horizontal circular track with radius r = 240 m at a constant speed v = 25 m/s as shown. The angle
3 answers
1,079 views
A standing wave moves back and forth in a 150 cm long container with a frequency of 0.3 HZ. What is the velocity of the wave?
2 answers
474 views
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