Ask a New Question

Questions and answers by

Charles

Questions (249)

Write a letter to your friend who want to visit your school giving him or her directions to your school and telling him or her
1. 0 answers
2. 145 views
As the School perfect you are to deliver a speech on your School founders day
1. 0 answers
2. 145 views
A cone is exactly half full of water by volume.How deep is the water in the cone? With diameter 12cm and height 16cm.(Applying
1. 5 answers
2. 809 views
A body of mass 20kg falls from rest through a height of 10m and comes to rest having penerated a distance of 9.8m into sandy
1. 1 answer
2. 481 views
Which of the following statements is not true?Group of answer choices The online travel services industry has gone through a
1. 2 answers
2. 651 views
There are 5 more girls than boys in a class.If 2 boys join the class, the ratio of girls to boys will be 5:4. Find (a) the
1. 1 answer
2. 777 views
You are a 70 kg astronaut floating at rest in zero gravity holding your laptop. Your hard drive turns on (increasing from 0 to
1. 1 answer
2. 579 views
Determine whether potassium hydrogen tartrate (KHC4H4O6) is neutral, basic, or acidic.First, what is its Ka when it acts as an
1. 1 answer
2. 521 views
How to compute the amount of the fare given the specific distance in kilometers?
1. 1 answer
2. 299 views
An elastic spring of length 20cm stretches by 7mm under a load of 50 neuton.calculate the strain in the string
1. 2 answers
2. 20,835 views
What volume of 3.00 mol/L HNO3 is needed to neutralize 450 mL of 0.100 mol/L Sr(OH)2
1. 1 answer
2. 284 views
Can I connect two 120v relay coils in series to use one on a 240v circuit? I think I can but wonder why polarity of the winding
1. 0 answers
2. 384 views
Find |𝘂|, |𝘃|, |2𝘂|, |1/2𝘃|, |𝘂 + 𝘃|, |𝘂 − 𝘃|, and |𝘂| − |𝘃|.𝘂 = 4i + j, 𝘃 = 5i − 3j
1. 1 answer
2. 407 views
Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to two decimal places
1. 1 answer
2. 385 views
Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to two decimal places
1. 2 answers
2. 1,528 views
an effort of 250N is applied to a pulley system consisting of two fixed and two movable pulleys to lift a load to a height of
1. 4 answers
2. 750 views
From a place 300m North of A, a man walked eastward to a place B. Which is 600m from A? Find the bearing of A from B.
1. 2 answers
2. 197 views
1. If the writer had attended an elementary school dance , which of the following might she have done ? A. made fun of everyone
1. 4 answers
2. 771 views
graph piecewise function (formatting was weird first time sorry)5+(1/(x-1) ) if x<1 2x-4 if 1 ≤ x< 5 -1-x^2 if x ≥ 5
1. 0 answers
2. 277 views
graph piecewise function5+(1/(x-1) ) if x<1 f(x) 2x-4 if 1 ≤ x< 5 -1-x^2 if x ≥ 5
1. 0 answers
2. 354 views
graph piecewise function5+(1/(x-1) ) if x<1 f(x) 2x-4 if 1 ≤ x< 5 -1-x^2 if x ≥ 5
1. 1 answer
2. 326 views
A street light is at the top of a 27 ft pole. A 6 ft tall girl walks along a straight path away from the pole with a speed of 8
1. 1 answer
2. 1,515 views
What is the wavelength and energy of a photon with the frequency of 3.93x10^11Hz
1. 1 answer
2. 414 views
An electromagnetic wave has a wavelength of 767 nm. What is that in meters
1. 1 answer
2. 388 views
It takes a runner 2 h, 43 min, 57 s to run a marathon. If the distance of a marathon is 42.2 km, what is the average speed of
1. 1 answer
2. 635 views
Identify two segments parallel to HG
1. 1 answer
2. 905 views
Differentiate lmplicitly x^2y^2-3xy+4xy^3=4
1. 1 answer
2. 1,434 views
If 10/3,5/3,5/6... is an exponential sequence,find:a) The 8th term b) Sum of the first 10 terms
1. 1 answer
2. 309 views
The 12th term of an AP is -41, given that first term is 3. Find the 20th term
1. 2 answers
2. 1,507 views
Write an equation for the following, y intercept -5 x intercept 3Much appreciated
1. 2 answers
2. 303 views
Write an equation for the following, passes through (-3,4) (3,-4)
1. 1 answer
2. 350 views
Find the perimeter of this semi-circle with diameter, d= 28cm.Give your answer as an expression in terms of π.
1. 0 answers
2. 515 views
An aeroplane leaves an airport A and flies on a bearing 035°for 1.5 hours at 600km/hr to airport B It then flies on a bearing
1. 10 answers
2. 4,697 views
I have an important essay about the three g's on god gold and glory. I need a hook, background, thesis statement. Thank You
1. 1 answer
2. 543 views
A simple of radium weight 1000g. How long will it take to decay to 125g if its half life is 1620 years??
1. 5 answers
2. 935 views
Given that f(x) = x^k where k < 0, what is the range of f(x) on the interval [1,infinity)?
1. 11 answers
2. 2,710 views
There are numbers A and B for whichA/(x-1)+ B/(x+1)=(x+2)/(x^2-1)for every number x≠±1. Find B.
1. 1 answer
2. 574 views
Thirty identical toothpicks were used to create the figure below. There are over 25 triangles in the figure. What is the fewest
1. 2 answers
2. 2,264 views
Let A and B be real numbers such that A/(x-5)+B(x+1)=(-3x^2+12x+22)/(x-5)What is A+B
1. 1 answer
2. 596 views
Navin from Mauritius, Luka from Croatia, and Ian from Botswana are chatting in the lobby of a youth hostel discussing their
1. 10 answers
2. 1,487 views
Let $A$ and $B$ be real numbers such that$\frac{A}{x-5}+B(x+1)=\frac{-3x^2+12x+22}{x-5}$. What is $A+B$?
1. 3 answers
2. 3,135 views
What is the minimum value of $y$ if $y=3x^2+6x+9?$
1. 2 answers
2. 2,176 views
For some constants $a$ and $b,$ let \[f(x) = \left\{\begin{array}{cl} 9 - 2x & \text{if } x \le 3, \\ ax + b & \text{if } x > 3.
1. 5 answers
2. 5,216 views
I need help fastSuppose that $n$ is a positive integer such that in base $7$, then $n$ can be expressed as $\overline{ABC}_7$,
1. 4 answers
2. 669 views
Thirty identical toothpicks were used to create the figure below. There are over 25 triangles in the figure. What is the fewest
1. 1 answer
2. 875 views
Suppose that $n$ is a positive integer such that in base $7$, then $n$ can be expressed as $\overline{ABC}_7$, and in base $11$,
1. 5 answers
2. 3,045 views
Two pyramids are similar.The surface area of the first is 250 and the surface area of the second is 22.5. The heights of the
1. 2 answers
2. 1,400 views
A table tennis ball is dropped from a height of 5ft. The ball rebounds to 60% of its previous height after each bounce.Write an
1. 1 answer
2. 1,165 views
Water towers are tall to provide enough water pressure to supply all of the houses andbusinesses in the area of the tower. Each
1. 1 answer
2. 664 views
Randy wants to collect 515 baseballs cards. Each week Randy buys 15 baseball cards. a. Create a table to represent this
1. 1 answer
2. 609 views
Give an example of how being able to communicate over long distances would help Americans(using morse code)
1. 2 answers
2. 1,123 views
how do you solve logarithms with log in the exponent?
1. 3 answers
2. 404 views
Explain 5 measures that the government of Ghana is taking to promote science education in Ghana
1. 3 answers
2. 1,168 views
A family in Virginia drove to California. The first day, they traveled 400 miles in 8 hours what is their velocity?
1. 1 answer
2. 464 views
Which ordered pairs are on the line 4x−3y=84x−3y=8 ?Select each correct answer. (−1,4) (1,−4/3)
1. 2 answers
2. 1,326 views
The brilliant color of fireworks is produced by shells containing lithium carbonate (Li2CO3) that arelaunched into the night sky
1. 1 answer
2. 1,169 views
How many terms of the arithmetic sequence 88, 85, 82, . . . appear before the number -17 appears?
1. 1 answer
2. 717 views
Two types of biographies are: a. Formate and genre b. Poetry and prose. c. Fiction and nonfiction. d authentic and fictionalized
1. 5 answers
2. 644 views
How do you prepare 17.2cm³ of 36% conc HCL per dm³ of solution?
1. 1 answer
2. 666 views
What is the morality of a solution prepared by dissolving 10.60g of sodium trioxocarbonate (v) in enough distilled water to
1. 1 answer
2. 570 views
A certain number of identical resistors are connected in series and their total resistance is measured. When the resistors are
1. 5 answers
2. 721 views
How many times does a palindromic number appear on a 12 hour digital clock between 12 midnight and 12 noon?
1. 9 answers
2. 5,950 views
The atomic mass of CU 63 is 62.9296 amu with a natural abudance of 0.692. The average mass of copper is 63.546amu.What is the
1. 1 answer
2. 618 views
Bill,mary,and Joe belong to a club of nineteen people. A committee of twelve is to be selected at random from the membership.
1. 0 answers
2. 403 views
Bill, Mary, and Joe belong to a club of nineteen people. A committee of twelve is to be selected at random from the membership.
1. 0 answers
2. 527 views
Two committees, one with six and one with seven people, are to be selected from a group of eighteen people, with no one person
1. 1 answer
2. 453 views
A 0.5kg mass connected to a light spring of constant 20N/M occilates on a frictionless track. Calculate the total energy of the
1. 0 answers
2. 780 views
3. The population of Columbus, Ohio, in 2014 was about 823,000. The population of the United States was about 319 million in
1. 5 answers
2. 2,537 views
What volume of 1.0 M NaOH must be added to 1.5 L of 1.20 M CH3COOH (ka=1.8x10^-5) to make the solution a buffer for pH 4.50?I do
1. 5 answers
2. 550 views
A man walks 3km E and then 4km N. What is his resultant displacement?
1. 2 answers
2. 921 views
An airplane is heading 20degree north flying at 200km/hr relative to the air. Simultaneously the wind carries the plane
1. 2 answers
2. 711 views
Find the vector cross product of two vectors C=2i-j and D=i+2j-3k. What is the angle between the vectors
1. 0 answers
2. 1,092 views
Find the magnitude of the dot product of the two vectors B=6i+j+2k, D=-1+3j. What is the angle between B and D
1. 1 answer
2. 698 views
Consider two vectors one of magnitude 3 and the other 4 unit, which of the following is not correct? We can combine these
1. 2 answers
2. 811 views
If D=7i-3j+2k and E=4i+5j-3k. Deduce angle between D and E
1. 3 answers
2. 791 views
If D=7i-3j+2k. Find the magnitude of D
1. 2 answers
2. 613 views
If D=7i-3j+2k and E=4i+5j-3k. Find the scalar product of D.E
1. 2 answers
2. 1,397 views
Find the sum of vectors A=5m<60degree and B=6m<130degree
1. 6 answers
2. 3,534 views
One mole of CO2 is to be compressed adiabatically from 1 bar and 25 C. Because of irreversibilities and poor design of the
1. 0 answers
2. 1,375 views
A body is projected such that the horizontal range is twice the maximum height of projection. Find the angle of projection; and
1. 4 answers
2. 1,982 views
What is the total time of flight of an object projected vertically upwards with a speed of 30m/s? (g=10m/s^2
1. 3 answers
2. 1,925 views
A contractor supplied some items to a school. The contractor's bill is shown below. If each amount includes 5% VAT calculate how
1. 1 answer
2. 475 views
A rectangle of length y m and breadth 4 m less than the length. What is the perimeter??
1. 2 answers
2. 606 views
How do find determine fractions from the greatest to least
1. 1 answer
2. 389 views
jane gets 1/2 of a gold star each time she helps her teacher clean up the classroom after class. How many times would Jane need
1. 1 answer
2. 510 views
Design an application that accepts eight friends' first names and displays them in alphabetical order
1. 2 answers
2. 612 views
Some people experience “heartburn” when eating fatty, greasy foods (similar to the effect that is felt when eating acidic
1. 0 answers
2. 602 views
A committee of 3 members is selected from a club made up of 10 junior members and 20 senior members. What is the expected number
1. 3 answers
2. 1,984 views
The solubility of a compound in water is 6.8g/100ml at 25°C..Calculate the amount of water required to crystallize 10g of the
1. 0 answers
2. 925 views
A toy company manufactures miniature cars. They sell miniature sports cars in a box. They sell 12 miniature trucks in a box.
1. 2 answers
2. 1,572 views
A box contains 5 red bowls, 6 yellow bowls and 3 white bowls. If 4 bowls are randomly drawn from the box at the same time,(a)fin
1. 0 answers
2. 570 views
A box contains 5 red bowls, 6 yellow bowls and 3 white bowls. If 4 bowls are randomly drawn from the box at the same time,(a)fin
1. 0 answers
2. 471 views
1. A principal-agent problems occur when managerial decisions are not consistent with the firm's shareholders' interests. T2. A
1. 0 answers
2. 656 views
What volume of carbon tetrachloride (density = 2.71 g/mL) contains 2.46x10^25 chlorine atoms?I did: 2.46x10^25 Cl atoms x 1
1. 0 answers
2. 455 views
What volume of carbon tetrachloride (density = 2.71 g/mL) contains 2.46x10^25 chlorine atoms?
1. 2 answers
2. 975 views
If 84.1 g of sodium hydroxide are reacted with 51.0 g of aluminum in the following equation:2NaOH + 2Al + 2H2O --> 2NaAlO2 + 3H2
1. 2 answers
2. 1,322 views
A baseball player leads off the game and hits a long home run. The ball leaves the batat an angle of 30.0o from the horizontal
1. 4 answers
2. 12,030 views
e) A fair coin is tossed 6 times. What is the probability of getting exactly 2 heads? What is the mean of this experiment?
1. 0 answers
2. 525 views
I have 14 hundreds, 16 tens and 9 ones. What number am I?
1. 1 answer
2. 520 views
The winner of a raffle will receive 3/4 of the 530.40 raised from raffle ticket sales
1. 9 answers
2. 1,528 views

Pages

1
2
3

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025