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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
1. 3 answers
2. 1,891 views
If ray BD bisects right angle ABC, the measure of angle ABD is?
1. 3 answers
2. 2,418 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
1. 3 answers
2. 2,425 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
1. 3 answers
2. 846 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. 1 answer
2. 2,143 views
In the z transformation formula, z = (x – M)/s the x stands for __________. (Points : 1)
1. 1 answer
2. 659 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
1. 6 answers
2. 1,929 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. 1 answer
2. 1,028 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. 1 answer
2. 772 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
1. 7 answers
2. 5,043 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. 1 answer
2. 412 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
1. 5 answers
2. 1,172 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. 1 answer
2. 1,031 views
The difference between one half of a number and one fifth of it is 561. Find the number.
1. 2 answers
2. 5,003 views
2 triangles of the same shape are alwaysA) similar B) equilateral C) congruent D) symmetrical E) equal
1. 1 answer
2. 530 views
a= 1/a, then a squared=?
1. 3 answers
2. 354 views
The lengths of the diameters of two concentric circles are 6 and 8. What is the distance between the circles?
1. 2 answers
2. 1,723 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,
1. 4 answers
2. 1,760 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. 1 answer
2. 3,070 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. 1 answer
2. 1,539 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
1. 4 answers
2. 6,037 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
1. 0 answers
2. 345 views
what is the resultant of two 65N identical one acting easterly and the northerly
1. 1 answer
2. 474 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. 1 answer
2. 763 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. 1 answer
2. 427 views
What is Bronte's main purpose in describing Jane's meals and activities at Lowood?
1. 1 answer
2. 583 views
If x and y are positive integers, and square root = y + 3, then y^2 = ?
1. 1 answer
2. 453 views
Gamma rays (ã-rays) are high-energy photons. In a certain nuclear reaction, a ã-ray of energy 0.510 MeV (million
1. 1 answer
2. 574 views
Which one of the following letters is used in formulas as the symbol for voltage?A. P B. W C. I D. E
1. 3 answers
2. 695 views
Making a vaccine for HIV is difficult because the virus has a rapid rate of (A)__________. This is because it is a(n)
1. 3 answers
2. 470 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. 1 answer
2. 483 views
Butane, C4H10, is a component of natural gas that is used as fuel for cigarette lighters. The balanced equation of the complete
1. 1 answer
2. 1,680 views
Please Explain how to factor the following trinomials forms: x2 + bx + c and ax2 + bx + c in words.
1. 1 answer
2. 558 views
Factor the expression. x2 + 2x + 24HintX
1. 1 answer
2. 401 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
1. 0 answers
2. 620 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. 1 answer
2. 656 views
Given that the density of the supplied vinegar solution in this experiment is1.025 g/mL, calculate the % acetic acid found in
1. 1 answer
2. 578 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. 1 answer
2. 1,556 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. 1 answer
2. 707 views
Number of apartments rentedThe manager of an 80 unit apartment complex knows from experience that at a rent of £¤300 per unit,
1. 1 answer
2. 1,371 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. 1 answer
2. 445 views
when speaking about abstract concepts, make them concrete ti the audience by?
1. 1 answer
2. 617 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
1. 0 answers
2. 680 views
What are strongest intermolecular force in hydrogen iodide ?
1. 1 answer
2. 1,651 views
36/1.5 = ? how to divide this
1. 2 answers
2. 615 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
1. 2 answers
2. 1,611 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
1. 2 answers
2. 465 views
Earth is approximately a sphere of radius 6.37 × 106 m. What are (a) its circumference, (b) its surface area, and (c) its
1. 0 answers
2. 893 views
Consider a binomial experiment with 20 trials and a probability of 0.45 on a single trial.Use the normal distribution to find
1. 2 answers
2. 642 views
What is the momentum of the 200 g cart BEFORE the collision (LEAVE OUT units of kgm/s)? please help.
1. 3 answers
2. 672 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. 1 answer
2. 713 views
What are the pros and cons of disguised observation?
1. 1 answer
2. 769 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. 1 answer
2. 500 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
1. 3 answers
2. 884 views
a telephone pole is 64 feet long and 5/16of the pole must be underground a) what fraction of the pole is above ground
1. 1 answer
2. 612 views
1.Virtual reality systems can be used to train pilots, doctors, and engineers. These systems are seen most often in video games.
1. 1 answer
2. 700 views
h(t)=tan theta (5pie/3,3pie)graph the function on the given interval
1. 2 answers
2. 511 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. 1 answer
2. 477 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. 1 answer
2. 563 views
1-tan^2 theta/1+tan^2 theta + 2sin^2 theta need to simply to sin and cos
1. 1 answer
2. 801 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
1. 2 answers
2. 966 views
2 nacl (aq) + h2so4 ==> na2so4 (aq) + 2 hci (g)
1. 1 answer
2. 598 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. 1 answer
2. 564 views
After 17 vehicular accidents two years ago in a given intersection, the mayor of Boulder proposed to reduce the number of
1. 0 answers
2. 510 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
1. 0 answers
2. 1,021 views
Q. A 200 kg load is suspended by a cable from a crane . Tworopes are attached to the load , acting at 90 deg to each other. One
1. 1 answer
2. 1,515 views
laura favorite clothes are five sweater, four skirts, three jackets, two pairs of shoes and one belt. how many ways can laura
1. 2 answers
2. 544 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
1. 2 answers
2. 1,553 views
Draw different rectangles with the perimeter of 12 units
1. 1 answer
2. 1,199 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
1. 0 answers
2. 582 views
the national weigth control registry found that those wno maintain aweigth loss reported improvememt in what
1. 1 answer
2. 384 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. 1 answer
2. 1,068 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
1. 2 answers
2. 3,513 views
According to the principle of supply and demand, the price you pay for a product is determined both by its availability and by
1. 0 answers
2. 519 views
What is the independent variable? Select one option from the list below.1 is the correct answer help me please .thanks Sue is
1. 0 answers
2. 430 views
What is the independent variable?1 is that the correct answer help plz Sue is setting up an experiment to test whether fly
1. 0 answers
2. 553 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. 1 answer
2. 473 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. 1 answer
2. 401 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. 1 answer
2. 401 views
How is biodiversity related to human activities that use natural resources?A.biodiversity decreases as humans use natural
1. 7 answers
2. 2,445 views
which of the following will make it harder in the future to develop sustainable methods for humans using resources?A.biodiversit
1. 6 answers
2. 1,637 views
Complete the following sentence with the best phrase below.Removing just one species from an ecosystem: A.would have no effect,
1. 11 answers
2. 1,560 views
Which of the following could help reduce loss of biodiversity?A. increasing construction of tall buildings B. increasing farming
1. 10 answers
2. 2,009 views
which of the following pairs of terms could be used to describe a bullfrog that is active at night and enters a state of
1. 6 answers
2. 1,475 views
A student wishes to test the accuracy of the measuring jug she is using in an experiment. The label on the jug claims that it
1. 0 answers
2. 523 views
1. The expression sinπ is equal to 0, while the expression 1/cscπ is undefined. Why is sinø=1/cscø still an identity?2.
1. 1 answer
2. 883 views
Trigonometry Questions1. Using a compound angle formula, demonstrate that sin2π/3 is equivalent to sin π/3 2. The expression
1. 1 answer
2. 688 views
Trigonometry Questions1. Using a compound angle formula, demonstrate that sin2π/3 is equivalent to sin π/3 2. The expression
1. 1 answer
2. 1,287 views
Trigonometry Questions1. Solve the equation sin2x+1=-2sinx for 0≤x≤2π 2. Solve the equation 7sin2x-4sin2x/cosx=-1 where
1. 3 answers
2. 949 views
Trigonometry Questions1.) Find the exaqct value of tan(11π/12) 2.) A linear trig equation involving cosx has a solution of
1. 2 answers
2. 620 views
Mrs. Smith had 1/2 of a pumpkin pie left over. She split the leftover pie evenly between her 3 children. What fraction of pie
1. 4 answers
2. 1,275 views
A monatomic ideal gas is thermally insulated, so no heat can flow between it and its surroundings. Is it possible for the
1. 0 answers
2. 705 views
consider an artifact that is prominently displayed by a friend or co-worker - either at home or in some other space. In 1-2
1. 2 answers
2. 553 views
how can you use the product of 12 x 6 to find the product of 12 x 12 ?
1. 1 answer
2. 300 views
which poetic device does this quote use“Why no one on our side had even thought of firing a gun, because when you came right
1. 2 answers
2. 438 views
Water is flowing down through the pipe shown in the drawing. Point A is 0.410 m higher than B. The speed of the water at A and B
1. 1 answer
2. 1,619 views
What are some reasons why society, especially in the U.S., has been more and more accepting of the view of global warming?
1. 1 answer
2. 433 views
Assuming reaction goes to completion, determine the final concentration of NH4Cl in the calorimeter.heat capacity =3.03J/g.c
1. 0 answers
2. 797 views
the girls high school basketball team played 12 games. they won 6 more games than they lost. find the number of games the
1. 2 answers
2. 716 views
Mrs. Orlof teaches two history classes, one in the morning and one in the afternoon. Yesterday she gave the same test to both
1. 2 answers
2. 2,387 views

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