Ask a New Question

Questions and answers by

k

Questions (846)

Use exponents to write the numbers 81 and 64 in as many different ways as you can. Then write 64/81 using exponents in as many
1. 2 answers
2. 872 views
There are 32 blue and red marbles in a bag. If 8 of them are red, what percent of the marbles in the bag are red?
1. 2 answers
2. 528 views
what is the difference between diffusion of hydrophobic substances in comparison to hydrophilic ones across plasma membrane?
1. 0 answers
2. 272 views
70% of Ms. Miller's class passed the test on the first try. Those who failed were able to retake and half of those students
1. 2 answers
2. 1,156 views
if you draw one card from the deck then roll fair dice and finally flip one fair coin what is the probability that you get an
1. 1 answer
2. 725 views
A 1 kg object can be accelerated at 10 m/s^2. If you apply this same force to a 4kg object, what will its acceleration be?
1. 1 answer
2. 265 views
How many grams of acetic acid (C₂H₄O₂) would you use to make 10 L of a 0.1 M aqueous solution of acetic acid? (Note: The
1. 8 answers
2. 2,007 views
The waiting time to ride a roller coaster is 20 minutes when 150 people are in line. How many minutes is the waiting time when
1. 1 answer
2. 511 views
Calculate the number of moles of H2O formed when 0.200 mole of Ba(OH)2 is treated with 0.500 mol of HClO3 according to the
1. 1 answer
2. 1,296 views
What mass of copper(II) nitrate would be produced from the complete reaction of 45.6 g of copper, according to the chemical
1. 2 answers
2. 1,659 views
How many molecules of glycerol (C₃H₈O₃; molecular mass = 92) would be present in 1 L of a 1 M glycerol solution?
1. 1 answer
2. 1,115 views
Find each selling price, round to nearest cent. Cost: 99.99, Markup rate is 10% *90.00 109.99 129.99 89.99
1. 3 answers
2. 478 views
In a magnesium oxide experimentDescribe the effect of the following factors, whether decrease, increase, or has no effect on the
1. 2 answers
2. 811 views
In a magnesium oxide experimentDescribe the effect of the following factors, whether decrease, increase, or has no effect on the
1. 1 answer
2. 546 views
if 11.80 g of iron reacts with 5.06 g of oxygen, determine the empirical formula of the oxide?
1. 2 answers
2. 811 views
2.A pickup truck that can hold up to 3000 pounds is carrying a big machine that is 300 pounds and a few smaller ones that each
1. 1 answer
2. 692 views
Read the passage from "Names/Nombres" by Julia Alvarez.Our first few years in the States, though, ethnicity was not yet
1. 2 answers
2. 1,196 views
Two cars both cover a straight distance, d = 268 m, in time t = 29 s. Car A moves at a constant velocity (vA). Car B moves at a
1. 3 answers
2. 2,164 views
do vectors have an x component of zero?
1. 1 answer
2. 4,792 views
A bird is flying 150 feet in the sky and then descends 58 feet. What does descend mean?
1. 1 answer
2. 283 views
what prime factor that will equal 98
1. 1 answer
2. 313 views
Provide the identity. Show all proper work. 2 sin xcos^3x + 2 sin^3 xcosx = sin(2x)
1. 1 answer
2. 370 views
The atomic mass of element X is 95.99. It has two isotopes, X-95 and X-96. Which is more abundant?
1. 1 answer
2. 540 views
1. What was the most important consequence of the Columbian Exchange for peoples living in Europe and Asia?What is a food that
1. 1 answer
2. 768 views
The probability is 0.35 that a traffic fatality involves an intoxicated or alcohol-impaired driver or nonoccupant. In ten
1. 1 answer
2. 1,494 views
a. Explain what must happen in order for the oxygen atom to become negatively charged.b. Explain what must happen in order for
1. 3 answers
2. 1,815 views
these two radioactive elements decay by electron capture (EC). Write the nuclear reactions for each decay including the
1. 3 answers
2. 467 views
when polonium-210 undergoes alpha decay, lead-206 is produced.What is the same and different between the two elements?
1. 1 answer
2. 1,246 views
use the figure(^^)to answer the question. Name a pair of vertical angles. A)2 and 5 B)2 and 6** C)3 and 4 D)5 and 6
1. 2 answers
2. 758 views
Which sentence uses the most precise and vivid language to convey an experience?A) The boat went over the water with some speed.
1. 2 answers
2. 1,595 views
One way to look at opportunity cost is that when you choose to satisfy one want, __________.A. you gain an opportunity for
1. 1 answer
2. 397 views
calculate the molar concentration of uncomplexed zn2+(aq) in a solution that contains .22M Zn(NH3)4^2+ and .4978M NH3 at
1. 1 answer
2. 1,509 views
Operation Torch involved the Allied powers gaining control over which region?
1. 2 answers
2. 602 views
what is 2+2x(23/45)/23?
1. 3 answers
2. 499 views
at what temperature will 50g of nh4br produce a saturated solution when dissolved in 100 g of water
1. 0 answers
2. 1,178 views
A number multiplied by 12 is equal to the sum of the square of that same number and 36. What is that number?
1. 3 answers
2. 634 views
write a program and create a flowchart or psuedocode that will ask the user for 3 grades. the program will calculate the average
1. 2 answers
2. 1,419 views
A Ferris wheel with radius 9.5 m initially rotates at a constant rate by completing 0.75 rev in 25.00 s. It then begins to
1. 1 answer
2. 1,172 views
A car traveling from town A to town B at an average speed of 80 km/h took 54 minutes. Another car took 40 minutes to travel the
1. 1 answer
2. 444 views
An Artisan has 63 kg of metal of density 7,000kg/m3. He intends to use make a rectangular pipe with external dimensions 12 cm by
1. 6 answers
2. 2,800 views
Manyatta Village is 74 km North West of Nyangata Village. Chamwe village is 42 km west of Nyangata. By using an appropriate
1. 1 answer
2. 644 views
The angle which the tangent to the curve at the point (2, 5) makes with the horizontal
1. 1 answer
2. 490 views
The Position of two A and B on the earth’s surface are (36°N, 49°E) and (36°N, 131°W ) respectively.(a) The difference in
1. 1 answer
2. 739 views
Find the reciprocal of 0.342. Hence evaluate:(√0.0625/0.342)
1. 2 answers
2. 913 views
Three factories Buka, Sakono and Rama produce sugar in one hundred kilogram bags daily. Buka produces three times as much as
1. 1 answer
2. 461 views
In order to maintain homeostasis, human cells must have a higher concentration of sodium ions outside the cell than inside the
1. 1 answer
2. 713 views
"The sun was shining on the sea,Shining with all his might: He did his very best to make The billows smooth and bright — And
1. 19 answers
2. 4,017 views
Part of the road is to be on a parabolic curve given by a function of the form y = ax2 + bx + c where x and y are local
1. 2 answers
2. 581 views
Calculate lim┬(n→∞)⁡〖(√((n^2+n))〗-n) justify your answer.
1. 1 answer
2. 437 views
If lim┬(n→∞)⁡〖(x_n-x)/(x_n+x)〗=0, prove that lim┬(n→∞)⁡〖x_n 〗=x.
1. 0 answers
2. 433 views
some rocks melt at 1800farenheit. what is the temperature in the celsius scale ?
1. 1 answer
2. 438 views
The normal temperature of the human body is 37Celsius. a baby temperature is 98farenheit. DOes the baby a fever? Why?
1. 2 answers
2. 549 views
a 15kg rock falls from the top of a building 8.0 high. Find its PE and KEa.when at rest at the top of the building b. halfway
1. 10 answers
2. 2,510 views
a man pushes a lawnmower 50ft in 5s by exerting a force of 30lb at an angle of 53degrees with the horizon. find the work done
1. 0 answers
2. 373 views
how are cohesion and adhesion properties of water linked to photosynthesis?
1. 0 answers
2. 436 views
. On the reality TV show Last Man Standing, a package is thrown from a plane to the ocean below. The contestants must swim to
1. 1 answer
2. 864 views
Find the point in the xy plane which is equidistant from (1,1), (7,1), and (1,9).Please and thanks.
1. 0 answers
2. 443 views
For the next part, you will need to know that the position d of an object attached to a spring that oscillates with period
1. 2 answers
2. 5,011 views
A game consists of drawing a number from 1-20. A player wins if the number drawn is either a prime number or a perfect square.
1. 4 answers
2. 874 views
A 4cm x 5cm x 7cm rectangular prism is painted on all faces. If the prism is cut into 1cm x 1cm x 1cm cubes, how many cubes do
1. 1 answer
2. 714 views
Write a program to read the names and age of 10 people and print the name of the oldest person.assume that there are no person
1. 1 answer
2. 2,651 views
A long straight horizontal wire carries a current I = 4.80 A to the left. A positive 1.00 C charge moves to the right at a
1. 1 answer
2. 1,099 views
the high temp today was 62 degrees. when nighttime comes, the temp will drop 40 degrees. by 4 am the temp will drop an
1. 3 answers
2. 1,081 views
What's the difference between "mensajero" and "repartidor"?
1. 0 answers
2. 602 views
how many liters (at STP) of chlorine gas are required to produce .050L of hydrogen chloride gas?
1. 1 answer
2. 928 views
A researcher uses analysis of variance to test for mean differences among three treatments with a sample of n = 12 in each
1. 0 answers
2. 1,413 views
what resource first drew european traders to canada? AND I WANT THE RIGHT ANSWER!
1. 2 answers
2. 870 views
calculate the grams of 1.8% (m/m) NaCl solution that contains 8.00 g of NaClI tried 1.8 times 8.00g divided by 58.44g times 100
1. 1 answer
2. 961 views
Jhon and amy ----- things.(to swap)
1. 1 answer
2. 497 views
1) What average power is required for a runner with a mass of 85 kg to reach a speed of 8 m/s froma stationary start during a
1. 1 answer
2. 1,171 views
For more than 4000 years the Great Pyramid ofGiza stood as the tallest structure in the world. After it was completed, the
1. 1 answer
2. 706 views
anne spent half of her money on CDs. After se spen half of what was left on stickers
1. 1 answer
2. 412 views
a 23 foot ladder is placed against a vertical wall of a building with the bottom of the ladder standing on level ground 18 feet
1. 3 answers
2. 980 views
After 5 years, marcels account earned $ 600 in interest. If the interest rate is 0.03, how much did marcel initially invest?
1. 2 answers
2. 1,274 views
In the determination of the molar mass of a volatile liguid a 250ml flask was found to contain 0.250g of the vapor measured at
1. 1 answer
2. 572 views
A sample of co2 occupies 6.00l at 25c and 700. MmHg. What is the volume of the gas at stp
1. 2 answers
2. 1,776 views
When 40.2g of kc103 is heated what quantity of kc1 is produced
1. 1 answer
2. 439 views
669 cal of heat is added to 5.00 g ice at –20.0 °C. What is the final temperature of the water?
1. 1 answer
2. 822 views
David has a hose that is 27 ft long. He wants to cut it into two pieces so that the longer piece is 3 ft more than 2 times the
1. 4 answers
2. 1,156 views
Identify the causes of Progressivism and compare it to Populism
1. 2 answers
2. 612 views
A patient receives 2700mL of an IV solution containing 4g g of glucose per 100 mL .How much energy, in kilojoules, does the
1. 1 answer
2. 721 views
A patient receives 2700mL of an IV solution containing 4g g of glucose per 100 mL .How much energy, in kilojoules, does the
1. 1 answer
2. 886 views
Suppose you have two 100-mL graduated cylinders. In each cylinder there is 40.0mL of water. You also have two cubes: one is
1. 2 answers
2. 2,129 views
Suppose you have two 100-mL graduated cylinders. In each cylinder there is 40.0mL of water. You also have two cubes: one is
1. 3 answers
2. 5,791 views
Show that the following curves are intersect eachother orthoganally.r-(1+coso) r-(1-coso)
1. 0 answers
2. 404 views
A block of copper of unknown mass has an initial temperature of 66.7 ∘ C . The copper is immersed in a beaker containing 95.5g
1. 1 answer
2. 1,788 views
At Dora's donut shop, dora makes 15 different varieties of donuts. Seven of these varieties are filled with jelly or cream.
1. 4 answers
2. 748 views
Data were collected on 100 students regarding their class and major. The data are summarized in the following contingency table.
1. 2 answers
2. 1,441 views
A 70.5kg football player is gliding across very smooth ice at 2.05m/s . He throws a 0.470kg football straight forward.What is
1. 1 answer
2. 1,409 views
A flower pot is thrown out of a window with a horizontal velocity of 8 m/s. If the window is 1.5 m off the ground, how far from
1. 4 answers
2. 917 views
A ship is sailing due east at 18 knots runs into a 3 knot current moving 40 East of North.The resultant speed an direction of
1. 3 answers
2. 2,949 views
The figure below shows two current carrying wires and the directions of the currents they carry. The wires carry the following
1. 0 answers
2. 1,133 views
determine the equation of a line that passes through (2,1) and is parallel to the line 3x-7y=5
1. 1 answer
2. 426 views
A rectangular box with no top is to be constructed from a 10 in. x 10 in square piece of cardboard by cutting equal square of
1. 1 answer
2. 1,099 views
A rectangular box with no top is to be constructed from a 10 in. x 10 in square piece of cardboard by cutting equal square of
1. 1 answer
2. 534 views
A roll of 640 feet of chicken wire is used to enclose a rectangular vegetable garden.Express the area A of the garden in terms
1. 1 answer
2. 514 views
A rectangular box with no top is to be constructed from a 10 in. x 10 in square piece of cardboard by cutting equal square of
1. 0 answers
2. 524 views
A roll of 640 feet of chicken wire is used to enclose a rectangular vegetable garden.Express the area A of the garden in terms
1. 0 answers
2. 441 views
why is it necessary to try and keep the temperature constant during an experiment of determining pKa by pH measurements?
1. 1 answer
2. 563 views
how do i calculate the NaOH molarity from a titration of KHP and NaOH after preparing KHP to standardise NaOH. KHP mass was
1. 1 answer
2. 848 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