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Angie

Questions (723)

Is the formation of C2H2 endothermic or exothermic?
1. 2 answers
2. 1,486 views
Hooke's Law:1.) If it takes 10 N to compress a spring 20cm, how much energy will be stored in the spring when it is stretched
1. 1 answer
2. 733 views
Michael ran 2/3 of a mile for 3/4 hours. How many miles would Michael run per hour?
1. 1 answer
2. 452 views
Which factor contributed to growing conflict over slavery from the 1820s through the 1850s
1. 2 answers
2. 753 views
Your 50 lb sister is seated at one end of a 12 ft teeter totter. If the fulcrum is in the center, what is the moment of her
1. 2 answers
2. 543 views
A rectangle with a perimeter of 172ft needs how many tiles that are ft squares !! I'm thinking 172 bc 1ft 1 by 1ft is still 1ft
1. 1 answer
2. 435 views
How many 1ft tiles are needed if the perimeter is 172 ? The rectangle is 60 x 26 !! So I took 60x2 + 26x2 =172 I'm thinking bc
1. 1 answer
2. 492 views
The five candidates for mayor in the town Smallville were members of these five parties: conservative, Democrat, Independent,
1. 6 answers
2. 1,351 views
A basketball player is 6 ft. 4 in. tall and a volleyball player who is 1.75 m.17. How tall is the basketball player in meters?
1. 3 answers
2. 2,979 views
Vesna Vulovic survived the longest fall on record without a parachute when her plane exploded and she fell 6 miles and 551
1. 3 answers
2. 2,013 views
Algebra addition properties and subtraction rules
1. 2 answers
2. 498 views
FRODO AND SAM are 17 miles apart and are walking towards each other they meet in 4hrs. find frodos rate if frodo walks 1mph
1. 2 answers
2. 441 views
(Accounting standards-setting bodies) Three accountants started talking about hospitals. One said he was treated at a
1. 1 answer
2. 990 views
Describe briefly,1. Mathematical optimization
1. 1 answer
2. 416 views
Calculate the mass of Copper(II) Sulfate CuSo4 needed to make 3.00Lof 3.0 M solution?
1. 1 answer
2. 623 views
is the area of a paperback book cover closer to 28 square inches or 28 square centimeters? Tell how you decided.
1. 1 answer
2. 1,172 views
Please help..Write the equation for the equilibrium constant (K) of the reaction.2K2CrO4 + 2HCl --><-- Cr2O7 + H2O + 2KCl
1. 1 answer
2. 3,318 views
Consider the reaction between acetylene, C2H2, and oxygen in a welding torch: If 5.4 moles of acetylene react with sufficient
1. 2 answers
2. 2,406 views
The chemical equation for ionic reaction between Na2S and AgNO3??
1. 3 answers
2. 8,212 views
A student scores 74 out of 100 on a test,If the maximum score is 100. What score does the student need at least an average of
1. 1 answer
2. 563 views
Mary spent $5.39 on apples, if the cost is$0.98 per pound, how many pounds did Mary buy?
1. 1 answer
2. 478 views
Mary spent$5.39 on apples. If the cost is $0.98 per pound, how many pounds did Mary buy?
1. 3 answers
2. 535 views
Could I solve (800+x)tan33=xtan35 like xtan33=(x/800)tan35?
1. 5 answers
2. 431 views
How do you solve the equation(800+x)tan33=xtan35?
1. 4 answers
2. 557 views
eight members of a club will make a paper chain. the chain is 4 feet long. each member will make an equal part. how much of the
1. 2 answers
2. 1,218 views
�ã2x -4 = �ã7x + 9Don't' have a clue. I tried squaring both sides to get rid of the square root but it just isn't working.
1. 1 answer
2. 491 views
Wanda is shopping for a pet carrier for her cats one small Carrie I can hold 240 ounces her cat weighs 12 pounds can the carrier
1. 1 answer
2. 751 views
WaterPlant is 121 miles from the store. Assuming an average speed of 65 miles per hour, how many hours will it take the truck to
1. 1 answer
2. 499 views
A car is traveling at 72 km/hr. The driver begins to apply the brakes and the begins to slow with a constant acceleration (a).
1. 1 answer
2. 614 views
the acceleration due to gravity on the moon is 1/6 that on earth. For a projectile with an initial velocity of 15m/s upward what
1. 0 answers
2. 575 views
State sales tax is based on retail price. An item that sells for $115.99 has a sales tax of $8.12. Find a mathematical model
1. 2 answers
2. 1,501 views
The simple interest on an investment is directly proportional to the amount of the investment. By investing $4250 in a certain
1. 3 answers
2. 2,713 views
Find the zeros (if any) of the rational function. (If there are no zeros, enter NONE.)g(x) = (x^3-64)/(x^2+2) need help solving
1. 1 answer
2. 595 views
Write the logarithmic equation in exponential form.ln e = 1 How do I do that?
1. 2 answers
2. 3,236 views
On the day of a child's birth, a deposit of $30,000 is made in a trust fund that pays 3% interest, compounded continuously.
1. 5 answers
2. 5,269 views
-7x+8y=-8 -2x+6y=-6
1. 1 answer
2. 339 views
How many real zeros does y = 3x 4 - 2x 2 + x - 3 have?A. 5 B. 4 C. 3 D. 2 my answer is d
1. 1 answer
2. 394 views
A cereal manufacturer claims to include 18.7 ounces of cereal in each box, with a standard deviation of 0.2 ounces. A random
1. 1 answer
2. 670 views
Which organ is NOT a part of the digestive system?A. Esophagus B. Gallbladder C. Kidneys D. Mouth My answer would be mouth
1. 4 answers
2. 1,044 views
In multiplication, if one term is negative and one term is positive, the result will always be ______.A. equal to zero B.
1. 3 answers
2. 572 views
In division, a problem includes a divisor, a dividend, and a(n) ______.A. product B. sum C. expression D. quotient My answer is
1. 2 answers
2. 1,183 views
A small fast-food restaurant invests $4,000 to produce a new food item that will sell for $4.59. Each item can be produced for
1. 2 answers
2. 630 views
A small software company invests $30,000 to produce a software package that will sell for $64.95. Each unit can be produced for
1. 1 answer
2. 613 views
Use the position equation given below, where s represents the height of the object (in feet), v0 represents the initial velocity
1. 1 answer
2. 723 views
A survey found that women’s heights are normally distributed with mean 63.4 in and standard deviation 2.5 in. A branch of the
1. 3 answers
2. 5,940 views
Suppose 26.0g of sodium bromide is dissolved in 150mL of a 0.60M aqueous solution of silver nitrate. Calculate the final
1. 2 answers
2. 3,734 views
Sandra has a collection of beads. Of the beads, 45% are silver. She has 108 silver beads. How many beads are in her collection?
1. 1 answer
2. 1,082 views
helen shared some syrup with rani in the ratio of 5 : 3. helen got 1 l(italic) of it how many milliliters of the syrup did rani
1. 1 answer
2. 547 views
Quick question, If I post a question on here would you be able to delete it?
1. 1 answer
2. 480 views
If Sam takes 6 hours to paint a house, and Pat takes 12 hours to paint the same house; how long with it take the 2 men to paint
1. 2 answers
2. 709 views
Sandra makes a pizza she puts mushrooms on 2/8 of the pizza she adds green peppers to 5/8 of the pizza which topping covers more
1. 2 answers
2. 1,447 views
Your monthly commission as an appliance sales person is represented by the equation, S = 50x+450, where 50 is the rate paid for
1. 1 answer
2. 630 views
A penny is dropped from a 50 m high bridge, how fast was the penny moving when it hit the water?
1. 1 answer
2. 1,014 views
A penny is dropped from a 50 m high bridge, how fast was the penny moving when it hit the water?
1. 1 answer
2. 673 views
In which stage of mitosis does DNA replication occur?
1. 1 answer
2. 1,701 views
What causes sedimentation in the ocean?
1. 1 answer
2. 364 views
Analyzing Roller Coaster PerformanceUsing Conservation of Mechanical Energy At the beginning of a roller coaster ride, the car
1. 1 answer
2. 1,281 views
Mars has a moon (Phobos) with an orbital period of 7.67 hours and an orbital radius of9.4x106 m. Use Kepler’s 3rdLaw to
1. 0 answers
2. 418 views
Two blocks are attached together with a piece of string. Block #1 (3 kg) slides along arough horizontal surface and block #2 (2
1. 1 answer
2. 668 views
A regulation baseball has mass 145 g and diameter 22.86 cm. Will this ball floator sink in water? Vsphere = € 4 3π⋅r3
1. 0 answers
2. 431 views
A 200g block of copper at 90oC is dropped into 400g of water at 27o C contained in a 300g glass beaker at 27o C. What is the
1. 1 answer
2. 1,242 views
Gas is confined in a tank at a pressure of 10.0 atm and a temperature of 15oC. If half of the gas is withdrawn and the
1. 2 answers
2. 2,176 views
A 1-liter aluminum container at 20oC is filled with 0.975 liters of mercury at 20o C. If both the container and the mercury are
1. 0 answers
2. 500 views
A pair of eyeglass frames made of plastic with a coefficient of linear expansion of1.30x10-4 (Cº ) -1 have circular lens holes
1. 0 answers
2. 437 views
A 10 kg penguin slips down a rough incline of 35o. If the coefficient of kinetic friction between the penguin and the incline is
1. 1 answer
2. 730 views
A ball on the end of a string is cleverly revolved at a uniform rate in a vertical circle ofradius 85.0cm. If its speed is 4.15
1. 1 answer
2. 921 views
A Jet plane traveling 1800 km/h (500 m/s) pulls out of a dive by moving in an arc of radius6.00 km. What is the plane’s
1. 2 answers
2. 873 views
Mars has a moon (Phobos) with an orbital period of 7.67 hours and an orbital radius of9.4x106 m. Use Kepler’s 3rdLaw to
1. 0 answers
2. 502 views
A 25 g bullet is fired from a rifle with a barrel of length 65 cm. The bullet starts from rest atone end of the barrel and
1. 1 answer
2. 615 views
Two blocks are attached together with a piece of string. Block #1 (3 kg) slides along arough horizontal surface and block #2 (2
1. 0 answers
2. 512 views
What is the significance of the black stone and where is it located?How did the caravan trade benefit the Arabian peninsula in
1. 1 answer
2. 632 views
Identify the changes in the arabian peninsula during the 600's
1. 1 answer
2. 685 views
Can you explain this quote for me????"weathered many bitter nights"
1. 1 answer
2. 961 views
To this the strategist Odysseus answered:Why is he referred to as "the strategist Odysseus'? “My lady goddess, here is no
1. 2 answers
2. 1,419 views
What does this comparison tell you?A gull patrolling between the wave crests of the desolate sea will dip to catch a fish, and
1. 3 answers
2. 923 views
True or False.1. Raiding one’s enemies was known in the Quran as the “struggle in the way of God” or jihad. 2.The courage
1. 2 answers
2. 639 views
True or False?The general mu'awiyah was known for one outstanding trait: he used more force than necessary whether it was needed
1. 1 answer
2. 419 views
the gravitational force between two objects is proportional to the blank of the distance blank
1. 1 answer
2. 1,144 views
Fill in the blank- The gravitational force between two objects is proportional to the ______ of the masses of the objects.
1. 4 answers
2. 7,445 views
Think of some examples of how you change the following elements of a conversation in a formal situation.Vocabulary Pronunciation
1. 1 answer
2. 523 views
On August 1, 2005 you invested $3,000 into a mutual fund. You then invested $1,000 into that same mutual fund on the first day
1. 0 answers
2. 595 views
Describe the types of shelter and housing that were used by Paleolithic peoples
1. 1 answer
2. 531 views
Two questions:1. By 1864, only two Confederate ports remained open and actively participating in blockage running. One of these
1. 1 answer
2. 391 views
Who did Lincoln promote to overall Western commander on March 11, 1862?A. Henry Halleck B. William Halsey C. Percy Hobart D.
1. 1 answer
2. 458 views
The reaction b/t H2 and O2 yield water vapor and has a change of heat =-484kJ.Ho much PV work is done and what is the value of
1. 1 answer
2. 637 views
I want to give my Algebra teacher a letter to show how much her effort on helping me learn made me appreciate her and I just
1. 5 answers
2. 774 views
How did geography both help and hinder the peoples of Africa?
1. 2 answers
2. 662 views
I don't get this question! Please help. A pizza is divided into 8 slices. Diana eats 1/16 of the pizza in 5 minutes. At this
1. 1 answer
2. 454 views
A company has two printers. Printer A prints a pages per minute, and Printer B prints b pages per minute. When Printer A prints
1. 3 answers
2. 1,356 views
Using the substitution method, what is the value of a in the solution to the system of equations below?a=3b+7 4a+9b=70
1. 2 answers
2. 1,073 views
What are two types of waves
1. 1 answer
2. 391 views
Describe 2 contact and 2 non-contact force examples. Please and thank you very much. :)
1. 1 answer
2. 993 views
What slope would a person have on a distance-time graph if they were speeding, slowing down, or not moving at all?
1. 0 answers
2. 324 views
1. What kinds of bonds will most likely form from groups 1,2,3,6,7, and 8 on the periodic table?2. What kinds of bonds will most
1. 1 answer
2. 1,063 views
What is the amount of H2O that can be produced by combining 89.7 of each reactant in the following equation:4NH3(g) + 5O2
1. 1 answer
2. 1,068 views
x-> + infinity (x-sqrt(x^2-3x))for this i got 3, because after it is rationalized i got 3x/x= 3 x-> - infinity
1. 3 answers
2. 318 views
solve for limits of 1+ and 1- for this function:(x^2 + abs (x-1) - 1)/ abs (x-1) i don't know how to simplify abs. value
1. 2 answers
2. 596 views
as x-> + infinity (limit)3x^4-2x^2/x^4+5x^2 i got positive infinity. is this right
1. 2 answers
2. 315 views
I know how to do this problem, but I'm stuck at the arc length differential.Set up an integral for the arc length of the curve.
1. 1 answer
2. 552 views
in what ways do you think earth's moon may be similar to mercury
1. 0 answers
2. 320 views

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