Ask a New Question

Questions and answers by

Kelly

Questions (822)

In a book closet, mathematics books are kept in stacks of 4. If each student carries no more than one stack, what is the least
1. 1 answer
2. 631 views
A load of 12 kg stretches 15 cm and a load of 30 kg stretches 18 cm. Find the natural (unstretched) length of the spring.
1. 1 answer
2. 1,157 views
Hi can someone please help me?A recent study gave the information shown in the table about ages of children receiving toys. The
1. 1 answer
2. 2,981 views
Use cross products to see if each pair of ratios forms a proportion. Replace each box with = or ≠.1. 7/5 ? 15/10 = ≠ <--- 2.
1. 19 answers
2. 14,197 views
Find the unit rate. Round to the nearest tenth, if necessary.344 miles in 11 hours 344 3,784 0.03 31.27 ** Find the unit rate.
1. 1 answer
2. 2,015 views
An angle θ satisfies the relation csc θ cos θ = -1.A) Use the definition of the reciprocal trigonometric ratios to express
1. 1 answer
2. 547 views
If you used 50 grams of copper (II) oxide, how much copper would be produced. (Use the ratio)
1. 1 answer
2. 965 views
Use a(t) = -32 ft/sec2 as the acceleration due to gravity. (Neglect air resistance.)A ball is thrown vertically upward from a
1. 1 answer
2. 1,060 views
The maker of an automobile advertises that it takes 13 seconds to accelerate from 25 kilometers per hour to 90 kilometers per
1. 4 answers
2. 5,690 views
Use upper and lower sums to approximate the area of the region using the given number of subintervals (of equal width). (Round
1. 2 answers
2. 2,268 views
1) The measurement is 15.5, the tolerance is 5. Whats the precision, uncertainty, range, nominal value and precent error?2) The
1. 0 answers
2. 669 views
Write chemical formulas for the compounds formed by the following positive and negative ions: Ba2+ and NO3-, Al3+ and Co3, and
1. 1 answer
2. 4,868 views
If you start with 4.00 moles of C3H8 (propane) and 4.00 moles of O2, how many moles of carbon dioxide can be produced?
1. 2 answers
2. 1,510 views
A glass of water contains 1.2 x 1024 molecules of water. An additional 4.0 moles of water are poured into the glass. How many
1. 2 answers
2. 1,367 views
In the reaction C + O2 → CO2, 18 g of carbon react with oxygen to produce 72 g of carbon dioxide. What mass of oxygen would be
1. 2 answers
2. 1,270 views
The Ka of an acid is 1.3 x 10–7. Based on the Ka and its relationship with Kw, what is the value of Kb?
1. 1 answer
2. 861 views
How many 1oz bottles will this solution fill.
1. 1 answer
2. 957 views
A plane flies due east for 35 miles and then due south until it is 37 miles from its starting point. How far south did the plane
1. 1 answer
2. 556 views
Ammonia gas is passed into water, yielding a solution of density of 0.93g/mL and containing 18.6% NH3 by weight. What is the
1. 1 answer
2. 815 views
A sample of impure Limestone weighing 0.3440 g was treated with 50 mL of HCl 0.1363 mol/l. after elimination of all CO2 by
1. 0 answers
2. 655 views
What is the 20th term of the sequence that begins with −2, 4, -8, 16ANSWER CHOICES: A)2,097,152 B)524,288 C)-524,288
1. 1 answer
2. 1,243 views
Q: List the impacts of reduced river flows that were identified within the Murray-Darling Basin in the 1980s.. Thanks
1. 1 answer
2. 322 views
Outline the reasons for competition over the Murray River's water resources in the late nineteenth century.I found nothing
1. 1 answer
2. 527 views
In what ways is the Local Council involved in land management? What are they mainly responsible for?
1. 2 answers
2. 488 views
Knowing that the milk of magnesia contains 8 g% of Mg (OH)2, using 1 g of milk of magnesia and added 50 mL of 0.100 M HCl,
1. 1 answer
2. 622 views
by completing the square, what value should you add to each side of the equation?x^2- 7x=5
1. 3 answers
2. 533 views
If you roll a 6 sided dice 6 times, what is the best prediction possible for the number of times you will roll a two?A) 6 B) 1
1. 22 answers
2. 6,269 views
Which pair of compounds will form a solution?Benzene (C6H6) and hexane (C6H14)Na2SO4 and benzene (C6H6)NaCl and hexane
1. 1 answer
2. 1,648 views
Mars rotates slowly about its axis, the period being 687 days. The mass of mars is 6.39 x 10^23 kg. Determine the radius for a
1. 1 answer
2. 672 views
If it takes 45 days for 80.0 mg of a particular radioactive isotope to decay to 10.0 mg what is its half-life?
1. 1 answer
2. 461 views
Calculate the concentrations of Cd ⁺ ², [Cd (CN)₄-²] and CN at equilibrium when they dissolve mole of 0.42 Cd (in the
1. 2 answers
2. 485 views
What is the pH of a solution made by mixing 1.40 mL of 0.0043 molar Sr(OH)2 with 8.90 mL of 0.0029 molar Sr(OH)2 solution?
1. 1 answer
2. 403 views
Consider the chemical equation.2H2 + O2 -> 2H2O What is the percent yield of H2O if 87.0 g of H2O is produced by combining 95.0
1. 2 answers
2. 3,608 views
A department manager is attempting to motivate employees by moving them from onejob to another. What is this strategy called? A.
1. 2 answers
2. 948 views
A 4kg box is attached to a 2.4m rope rotating on platform. Max tension can withstand without breaking is 140N.1.) Find Max.
1. 1 answer
2. 482 views
Explain how you know that 21/30 is greater than 2/3
1. 1 answer
2. 459 views
Which of the following did NOT contribute to the Harlem Renaissance?A.The Emancipation Proclamation. B. By 1930, the population
1. 2 answers
2. 1,320 views
Which of the following did NOT contribute to the Harlem Renaissance?A.The Emancipation Proclamation. B. By 1930, the population
1. 2 answers
2. 3,212 views
y = 2x + 42x - y = 6 Solve the system of equations using substitution. A) (2,8) B) (2,-8) C) (10,24) D) no solution <-- 4x + 3y
1. 3 answers
2. 2,844 views
John had €120 he spent 3/4 of it how much did he spend
1. 2 answers
2. 532 views
A mass of 0.100 mg TIOH is mixed with 174 ml of pure water. Calculate the pH of this aqueous solution?
1. 1 answer
2. 505 views
A can of soda has the total volume of 350ml. This can is open and only contains atmospheric air, and is placed within a furnace1
1. 0 answers
2. 422 views
A concentration of PCL5(g),4,0 mol/L, verifies that the process PCl5(g) = PCl3(g) + Cl2(g)is achieved with a degree of balance
1. 2 answers
2. 477 views
When iron reacts with copper (2) chloride, one of two possible reactions take place: Fe(s) + CuCl2(aq) to FeCl2(aq)+Cu(s) OR
1. 2 answers
2. 1,690 views
A population of 100 healthy men was followed for the development of prostate cancer.After being followed for 5 years, 20 men
1. 5 answers
2. 3,444 views
Is 4000 cups < 400 qt? Here is my answer 400 quarts = 1600 cups.
1. 1 answer
2. 419 views
I have a picture of a boat sailing over a wave. I have arrow A at the front of the boat going down to the ocean floor and
1. 1 answer
2. 526 views
150 g of water at 80 degree Celsius is cooled to 50 degree Celsius how much heat is lost bye the water
1. 1 answer
2. 401 views
Mr Lopez owns a home that sits on 7/8 of an acre. He has decided to plow up 1/4 of the property to create a garden. What
1. 1 answer
2. 542 views
Jasmin needs 3/8 yard of fabric for each stripe of a striped quilt she is making. There are 14 stripes on the quilt. How many
1. 1 answer
2. 468 views
A car accelerates from rest with a uniform acceleration of 1.7m/s for 10 seconds, its acceleration then reduces by 0.3m/s for 20
1. 1 answer
2. 682 views
I need help please:Express in symbols:"Six decreased by the product of a number and six is twenty."
1. 2 answers
2. 399 views
msrcus wants to buy 5 baseball cards. he has $35 what is the most each card will cost? write inequality to solve
1. 1 answer
2. 437 views
what is the main difference between lava and magma?
1. 1 answer
2. 492 views
Determine the stopping distances for a car with an initial speed of 93 km/h & human reaction time of 0.80 s, for an acceleration
1. 1 answer
2. 695 views
What is the break even in units?Bottle, Label and Production (direct material and labor) = $9.12 per 12 oz. can Advertising &
1. 0 answers
2. 627 views
A sc tourists bureau survey showed that 75 % of those who seek information about the state actually come to visit . The office
1. 0 answers
2. 485 views
I've done everything I can think of to solve this, but I have no idea. Find the derivative: y = sq rt{11x + sqrt[11x +
1. 1 answer
2. 797 views
The equation of motion of a particle iss = t3 − 12t, where s is in meters and t is in seconds. For the velocity function, I
1. 2 answers
2. 8,278 views
The question is to "state the value of each quantity, if it exists." We are given a piecewise function that is graphed, and no
1. 1 answer
2. 486 views
A rock is thrown upward with a velocity of 12 meters per sec from the top of a 25 meter high cliff and it misses on it's way
1. 2 answers
2. 5,297 views
I have another one What is the value of 42-2(3x5+1)? I thought you worked the parentheses first which would be 16, then subtract
1. 1 answer
2. 794 views
Which equation represents "fifteen more than r is sixty-one?a. r + 61 = 15 b. r + 15 = 61 c. r - 15 = 61 d. r + 61 = 15 I think
1. 60 answers
2. 13,333 views
Help! I don't understand this problemFind the angle of rotation that maps point P (1,0) on to P'. What are the x and y
1. 2 answers
2. 745 views
What is the most important element of the plot of Lord of the Rings? a) the elves sailing away on ships b) Galadriel's gifts of
1. 7 answers
2. 3,428 views
If a firm buys on trade credit terms of 3/10, net 50 and decides to forgo the trade credit discount and pay on the net day, what
1. 1 answer
2. 704 views
In an acidic solution, manganese(II) ion is oxidized to permanganate ion by bismuthate ion, BiO3-. In the reaction, BiO3- is
1. 2 answers
2. 7,915 views
1a) An aqueous solution containing 35 kg of endosuflan insecticide is accidentally released into a small stream. The stream
1. 0 answers
2. 524 views
Which chemical equation shows that no atoms are lost during a chemical reaction?A. 8Fe+s8-->Fe5 B. 8Fe+8S8--> 8FeS C.
1. 2 answers
2. 1,162 views
Alicia has a flat platter shaped like a square with a semicircle of diameter 10 inches on each edge, as pictured. What is the
1. 1 answer
2. 1,016 views
What is the concentration of arsenate ions in 3.5 M solution of arsenic acid?The acid-dissociation constants of H3AsO4 are: Ka1
1. 1 answer
2. 794 views
A vessel is crossing a channel. The depth of the water(measured in metres) varies with time and is represented by the following
1. 2 answers
2. 627 views
I am not really understanding how to do some of these. Need some guidance.Thanks!! Los verbos que terminan en -car, -gar y -zar
1. 2 answers
2. 846 views
The probability that Ryan chooses Spanish is 0.86 and the probability that Riley chooses Spanish is 0.73. State the probability
1. 1 answer
2. 688 views
A boat is travelling south at a rate of 18 km/h. A man walks across the deck from east to west at a rate of 16 km/h. Find the
1. 1 answer
2. 649 views
A ship leaves port and sails northwest for 2 hours, and then sails N35degreesE for three hours. If it does not change speed,
1. 1 answer
2. 728 views
i push a 500n box up an inclined plane that is 4 m long and 1.2 m high. what force is applied to push the box up the ramp?
1. 1 answer
2. 632 views
Suppose that a mutant enzyme binds a substrate 100 times as tightly as does the native enzyme. What is the effect of this
1. 0 answers
2. 815 views
From post C, An airplane and a helicopter travel to different islands.The plane travels.415 km N 60degrees45minutes E to island
1. 5 answers
2. 528 views
Hi! My teacher told my class that the answer to this question is "1-sin x/cosx" but she wants us to figure out why. I tried
1. 1 answer
2. 588 views
How would you solve this problem?cos x/1+sinx
1. 0 answers
2. 317 views
A watermelon seed has the following coordinates: x = -8.7 m, y = 1.6 m, and z = 0 m. Find its position vector as (a) a magnitude
1. 1 answer
2. 1,767 views
An athlete performing a long jump leaves the ground at a 27.1∘ angle and lands 7.72m away1.What was the takeoff speed? 2.If
1. 1 answer
2. 1,052 views
In the sum Vector A plus Vector B equals vector C, vector A has a magnitude of 11.6 m and is angled 36.5° counterclockwise from
1. 1 answer
2. 611 views
A dog running in an open field has components of velocity vx = 3.0m/s and vy = -1.1m/s at time t1 = 11.7s . For the time
1. 2 answers
2. 1,122 views
My son has to solve equations with mixed numbers in them. we are in dispute about the problem below:6 3/8 = t - 4 3/4 - 2 1/16 I
1. 2 answers
2. 353 views
A 13.5 gallon tank is 4/5 full. How many gallons will it take to fill the tank?
1. 3 answers
2. 1,141 views
The whole idea of it makes me feellike I'm coming down with something, something worse than any stomach ache or the headaches I
1. 8 answers
2. 964 views
Consider the function y = 3x5 – 25x3 + 60x + 1.Find the absolute maximum value of y on the interval [0, 3]. What do you get I
1. 2 answers
2. 2,989 views
Astronauts are learned, taught to survive in space.I think learned? ?
1. 2 answers
2. 447 views
Given cellCd | CdCl2 (0.55M) || NaBrO3 (0.34M), NaBr (0.12M), pH=1.20 | Pt 1. How many electrons are transferred? 2. What is E°
1. 1 answer
2. 494 views
The order of precedence is very important when building formulas in Excel. Which of the following formulas will produce 778 as
1. 3 answers
2. 676 views
A group of students was asked to list some of the similarities and differences between prokaryotic cells and eukaryotic cells.
1. 2 answers
2. 2,148 views
A beaker contains a solution that is 0.50 M in Au+3 ion and 0.25 M in Ag+ ion. A soultion of sodium chloride is slowly dripped
1. 1 answer
2. 1,260 views
Writers often use language and images to foreshadow events that are going to take place in a story. Consider these words and
1. 4 answers
2. 4,293 views
What is an interquartile range?What is a mean absolute deviation?
1. 2 answers
2. 415 views
20.0 ml of 1.00 M formic acid are combined with 10.0 ml of 1.00 M sodium formate. Calculate the expected pH.Ka for formic acid
1. 1 answer
2. 1,379 views
In the sentence what did you have for dinner?Is have a linking verb? Is the word what an adverb, a direct object, or an indirect
1. 3 answers
2. 693 views
List these from broadest to specificOrganism Ecosystem Population Community Where would ecosystem fall Population, community,
1. 1 answer
2. 943 views
When should you express a vector along the x-axis as a negative vector?when its magnitude is less than 1 when the arrow
1. 2 answers
2. 610 views

Pages

1
2
3
4
5
6
7
8
9

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025