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Questions (2,090)
I invest a sum of money at 10% annual simple rate and twice that amount at 12% annual simple interest.My total yearly in come
0 answers
594 views
a 25 inch piece of a steel rod is cut into 3 pieces so that the length of the second piece is twice the length of the first
2 answers
1,338 views
The ionic radii of Na+ (atomic weight 22.99) and Cl- (atomic weight 35.45) are 1.0 and 1.8 Angstrom, respectively. Treating the
1 answer
2,312 views
(1.b) Calculate your de Bröglie wavelength and momentum when you are driving a car at a speed of 104 km/hr (~65 mph), assuming
1 answer
612 views
An ant must walk from one vertex of a cube to the "opposite" vertex (that is, the vertex that is farthest from the starting
1 answer
955 views
Every marble in a jar has either a dot, a stripe or both. The ratio of striped marbles to non-striped marbles is 3:1, and the
1 answer
4,035 views
Assume a projectile is launched from ground height over a flat plane, at an angle of 50 degrees above the horizontal with an
1 answer
604 views
A spacecraft of mass 3.5 x 102kg was moving at 1.5 x 102ms-1 when its motor, operating at 8.4 x 102 kW fired for 5.0s Find the
1 answer
640 views
3. Now that we have discussed the concept of being customer oriented, let's discuss MARKETING ORIENTATION. Customer oriented
0 answers
789 views
Many companies claim that they are customer-oriented, but their customer service leaves a lot to be desired. Why do you think
1 answer
439 views
How does the marketing relate to your own experiences and beliefs? Which information do you find particularly interesting and/or
1 answer
411 views
Three point charges are fixed in place in a right triangle. What is the electric force on the q = -0.7 µC charge due to the
1 answer
1,501 views
a solution is prepared by mixing 1.0 grams of benzen(c6h6) in 100g of water to create a solution total volume of 100ml.calculate
1 answer
1,231 views
Calculate the mass of alanine and the volume of HCl required to prepare 1 litre of 0.1mol/litre buffer with pH of 2
1 answer
581 views
Oladudah equiano wrote
1 answer
401 views
Regardless of what Jim says, baseball is a more refined sport than ice hockey. This is so because more refined people watch
0 answers
615 views
The second proposition is this: an action done from duty has its moral worth, not in the purpose that is to be attained by it,
1 answer
907 views
The point (-3,4) is on a circle with its center at the origin. Which of the following points must also be on the circle?
2 answers
4,620 views
A group of 21 people went to the country fair with 9 people on a stagecoach and 3 people in each buggy. On the return trip, 4
3 answers
1,932 views
If ray BD bisects right angle ABC, the measure of angle ABD is?
3 answers
2,460 views
The ratio of boys to girls in a class room was 9:8. Half of the girls left the classroom, and then there were 15 more boys than
3 answers
2,484 views
The base of a triangle is 11. The other two sides are integers and one of the sides is twice as long as the other. What is the
3 answers
875 views
A jar contains 20 marbles: 4 red, 6 white and 10 blue. If you remove 1 marble at a time, randomly, what is the minimum number
1 answer
2,185 views
In the z transformation formula, z = (x – M)/s the x stands for __________. (Points : 1)
1 answer
680 views
Of the books in a library, 1/3 came from Robbie's collection and 15 came from Marta's. Of the rest, 15 were Elena's 1/5 were
6 answers
1,972 views
How many quarts of water must be added to 18 quarts of a 32% alcohol solution to dilute it to a solution that is only 12%
1 answer
1,058 views
Avery paid $168 on a cell phone. What was the original price of the phone if he got it at a 30 percent discount?
1 answer
801 views
Mrs. Richmond bought some apples and pears in the ratio 3:5. After she gave away 3/5 of the apples and 40 pears, the ratio of
7 answers
5,118 views
The square of a certain whole number N is N squared. If 60 is a factor of N squared, its possible that __ is not a factor of N
1 answer
439 views
The charge for renting a rowboat on Loon Lake is D dollars per hour plus c cents for each minute into the next hour. How many
5 answers
1,204 views
A box contains 4 red cards, 6 blue cards, and 10 green cards. What is the smallest number of cards we must remove from the box
1 answer
1,068 views
The difference between one half of a number and one fifth of it is 561. Find the number.
2 answers
5,037 views
2 triangles of the same shape are always
A) similar B) equilateral C) congruent D) symmetrical E) equal
1 answer
554 views
a= 1/a, then a squared=?
3 answers
374 views
The lengths of the diameters of two concentric circles are 6 and 8. What is the distance between the circles?
2 answers
1,762 views
The cost of mailing a package is c cents for the first b ounces and d cents for each additional ounce. find the cost, in cents,
4 answers
1,818 views
If 25 times were moved from Box A to Box B, there would be an equal number of dimes in both boxes. If 100 dimes were moved from
1 answer
3,104 views
Carrie can inspect a case of watches in 5 hours. James can inspect the same case of watches in 3 hours. After working alone for
1 answer
1,564 views
mr. lee had a bag of red beans and a bag of black beans. 20% of the total number of beans were black, and there were 180 ounces
4 answers
6,080 views
A partner withdrew Rs.2000 at the beginning of every month.the rate of interest on drawings is 10%per annum. What is the amt. of
0 answers
362 views
what is the resultant of two 65N identical one acting easterly and the northerly
1 answer
495 views
What is Bronte's main purpose in describing Jane's meals and activities at Lowood?
A)to show how all schools operate B) to show
1 answer
795 views
there are seven consecutive even numbers .if the largest no is x write an algebraic expression for the middle no . if the middle
1 answer
459 views
What is Bronte's main purpose in describing Jane's meals and activities at Lowood?
1 answer
604 views
If x and y are positive integers, and square root = y + 3, then y^2 = ?
1 answer
465 views
Gamma rays (ã-rays) are high-energy photons. In a certain nuclear reaction, a ã-ray of energy 0.510 MeV (million
1 answer
600 views
Which one of the following letters is used in formulas as the symbol for voltage?
A. P B. W C. I D. E
3 answers
720 views
Making a vaccine for HIV is difficult because the virus has a rapid rate of (A)__________. This is because it is a(n)
3 answers
493 views
A room is18 ft long 14 ft wide and 8 ft high.
Find the cost of carpeting the floor with carpet $5\ft2
1 answer
513 views
Butane, C4H10, is a component of natural gas that is used as fuel for cigarette lighters. The balanced equation of the complete
1 answer
1,726 views
Please Explain how to factor the following trinomials forms: x2 + bx + c and ax2 + bx + c in words.
1 answer
580 views
Factor the expression. x2 + 2x + 24
HintX
1 answer
418 views
A metal ball of mass 1.8 kg with initial temperature of 46.5 C is dropped into a container of 3 kg of water at 15 C. If the
0 answers
654 views
A 225-kg box is pushed horizontally with a force of 620N. If the coefficient of friction is 0.20, calculate the acceleration of
1 answer
670 views
Given that the density of the supplied vinegar solution in this experiment is
1.025 g/mL, calculate the % acetic acid found in
1 answer
617 views
two office towers are 31 m apart. From the top of the shorter tower, the angle of elevation to the top of the tall tower is 25
1 answer
1,596 views
two office towers are 31 m apart. From the top of the shorter tower, the angle of elevation to the top of the tall tower is 25
1 answer
744 views
Number of apartments rented
The manager of an 80 unit apartment complex knows from experience that at a rent of £¤300 per unit,
1 answer
1,406 views
why might it be necessary to remove a possible suspect right away from the scene and hold them involuntarily for evaluation at a
1 answer
459 views
when speaking about abstract concepts, make them concrete ti the audience by?
1 answer
629 views
The figure shows a nozzle on a hose carrying water. If the pressure at Point 1 is 290 x 10^3 Pa, the velocity 0.64 m/s, and the
0 answers
703 views
What are strongest intermolecular force in hydrogen iodide ?
1 answer
1,677 views
36/1.5 = ? how to divide this
2 answers
635 views
There are 50 big cats in the zoo.
� �2/5 of them are tigers. � � 1/5 of them are leopards. The rest are lions. How many lions are
2 answers
1,648 views
kevin bought a 3-foot sandwich for his .Hew figured out that each guest can have 1 1/2 inches of the sandwich . HOW MANY guest
2 answers
491 views
Earth is approximately a sphere of radius 6.37 × 106 m. What are (a) its circumference, (b) its surface area, and (c) its
0 answers
915 views
Consider a binomial experiment with 20 trials and a probability of 0.45 on a single trial.Use the normal distribution to find
2 answers
679 views
What is the momentum of the 200 g cart BEFORE the collision (LEAVE OUT units of kgm/s)? please help.
3 answers
700 views
if the cart in the last question collides INELASTICALLY with a stationary cart of mass 150 g, what is the kinetic energy of the
1 answer
726 views
What are the pros and cons of disguised observation?
1 answer
790 views
DDT concentrations in ground water. How do you set it up with a sample size of 250.0mL and the mass of DDT at 0.030 and then
1 answer
517 views
A ball is dropped from a height of 1.45m and rebounds to a height of 1.21m. Approximately how many rebounds will the ball make
3 answers
914 views
a telephone pole is 64 feet long and 5/16
of the pole must be underground a) what fraction of the pole is above ground
1 answer
642 views
1.Virtual reality systems can be used to train pilots, doctors, and engineers. These systems are seen most often in video games.
1 answer
745 views
h(t)=tan theta (5pie/3,3pie)
graph the function on the given interval
2 answers
525 views
A gas at 54◦C occupies 4.54 L. At what tem- perature will the volume be 3.04 L, assuming the same pressure?
1 answer
493 views
A sample of helium gas has a volume of 328 mL at 0.69 atm. What pressure is needed to reduce the volume at constant temperature
1 answer
576 views
1-tan^2 theta/1+tan^2 theta + 2sin^2 theta need to simply to sin and cos
1 answer
820 views
The Lo Company earned $ 2.60 per share and paid a dividend of $ 1.30 per share in the year just ended. Earnings and dividends
2 answers
1,003 views
2 nacl (aq) + h2so4 ==> na2so4 (aq) + 2 hci (g)
1 answer
615 views
Find an equation in slope-intercept form of the line passing through (0, 1) which is parallel to the line y = 6x – 23
1 answer
590 views
After 17 vehicular accidents two years ago in a given intersection, the mayor of Boulder proposed to reduce the number of
0 answers
530 views
The only force acting on a 4.7 kg body as it moves along the positive x axis has an x component Fx = -6x N, where x is in
0 answers
1,056 views
Q. A 200 kg load is suspended by a cable from a crane . Two
ropes are attached to the load , acting at 90 deg to each other. One
1 answer
1,557 views
laura favorite clothes are five sweater, four skirts, three jackets, two pairs of shoes and one belt. how many ways can laura
2 answers
576 views
a drinking glass 5 inches tall has a 2.5 inch diameter base. its sides slope upward at a 4 degree angle. what is the diameter of
2 answers
1,586 views
Draw different rectangles with the perimeter of 12 units
1 answer
1,231 views
Find an equation of the plane.
The plane that passes through the point (−1, 2, 1)and contains the line of intersection of the
0 answers
616 views
the national weigth control registry found that those wno maintain aweigth loss reported improvememt in what
1 answer
413 views
The side length, d, of a cube that contains a sphere depends on the radius, r, of a sphere. Assuming that the faces of the cube
1 answer
1,100 views
When the net force that acts on a hockey puck is 12 N, the puck accelerates at a rate of 48 m/s2. Determine the mass of the
2 answers
3,533 views
According to the principle of supply and demand, the price you pay for a product is determined both by its availability and by
0 answers
540 views
What is the independent variable? Select one option from the list below.
1 is the correct answer help me please .thanks Sue is
0 answers
452 views
What is the independent variable?
1 is that the correct answer help plz Sue is setting up an experiment to test whether fly
0 answers
584 views
Sue is setting up an experiment to test whether fly maggots select a dark or a brightly lit environment. She sets up a chamber
1 answer
501 views
Sue is setting up an experiment to test whether fly maggots select a dark or a brightly lit environment. She sets up a chamber
1 answer
431 views
the tangent line to the curve y=x^2 at the point (a,a^2) passes through the point (2,1) find all possible values of a.
Thank you
1 answer
410 views
How is biodiversity related to human activities that use natural resources?
A.biodiversity decreases as humans use natural
7 answers
2,482 views
which of the following will make it harder in the future to develop sustainable methods for humans using resources?
A.biodiversit
6 answers
1,668 views
Complete the following sentence with the best phrase below.
Removing just one species from an ecosystem: A.would have no effect,
11 answers
1,595 views
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