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Questions Asked on October 25, 2014

A racing car starting from a standstill can reach a speed of 320 km/h in 6.50 s by exerting an average horizontal force of 1.52
1. 1 answer
2. asked by Lauren
3. 799 views
Jodi has a model of a tetrahedron (shown below) and would like to know how many different nets exist for the tetrahedron. How do
1. 1 answer
2. asked by Enis
3. 1,017 views
Assuming an element's half-life is 3.6 years. How much of 2 grams of the element would remain after 10.8 years?
1. 3 answers
2. asked by Chandler
3. 1,558 views
What is the smallest integer value of c such that the functionf(x)=x^2+1/x^2-x+c has a domain of all real numbers? Thank you!
1. 2 answers
2. asked by Trish Goal
3. 1,943 views
A classmate throws a 1.1-kg book from a height of 1.3 m above the ground straight up into the air. The book reaches a maximum
1. 1 answer
2. asked by Anonymous
3. 520 views
How would you write the expression that represents the perimeter of a rectangle measuring 9 x + 9 and 4 x - 3Would it be 26 x +
1. 2 answers
2. asked by kyle
3. 626 views
Dwayne walks a total of 960 feet around 3 sides of a square city block. Which equation and solution show a correct way to find
1. 3 answers
2. asked by Leigha
3. 2,465 views
I meant to say would it be 26 x + 12
1. 1 answer
2. asked by kyle
3. 377 views
A classmate throws a 1.1-kg book from a height of 1.3 m above the ground straight up into the air. The book reaches a maximum
1. 1 answer
2. asked by Anonymous
3. 559 views
If you are at the top of a toboggan run that is 44.3 m high, how fast will you be going at the bottom, provided you can ignore
1. 1 answer
2. asked by Anonymous
3. 408 views
Hector is 12 years old now. In 4 years he will be twice as old as his sister is then. How old will his sister be next year?
1. 3 answers
2. asked by brain MATH
3. 591 views
If 5x's = 4 y's and 12 y's = 5 z's, then 30x's = how many z's?
1. 1 answer
2. asked by Equations
3. 667 views
A car of mass 1298.7 kg is moving at a speed of 64.0 mph when it misses a curve in the road and hits a bridge piling. If the car
1. 1 answer
2. asked by Anonymous
3. 477 views
There were 39,000 desktop publishing jobs in the United States in 2000. It has been projected that there will be 64,000 desktop
1. 0 answers
2. asked by Cathy
3. 552 views
A spring with a spring constant of 224.3 N/m is compressed by 0.253 m. Then a steel ball bearing of mass 0.0433 kg is put
1. 1 answer
2. asked by Anonymous
3. 1,253 views
How many whole numbers from 99 to 131 contain the digit 1 exactly once?
1. 5 answers
2. asked by brain MATH
3. 689 views
A piece of pottery is removed from a kiln and allowed to cool in a controlled environment. The temperature (in degrees
1. 1 answer
2. asked by Cathy
3. 1,294 views
.4(6) = as a simplified fraction?is it possible? if so, can you tell me how?
1. 1 answer
2. asked by Rella
3. 398 views
A father pulls his son, whose mass is 27.3 kg and who is sitting on a swing with ropes of length 2.85 m, backward until the
1. 0 answers
2. asked by Anonymous
3. 611 views
The rate at which water evaporates from a certain reservoir depends on the air temperature. The table below shows the number of
1. 0 answers
2. asked by Cathy
3. 1,042 views
A rental company purchases a truck for $14,500. The truck requires an average cost of $6.75 per day in maintenance.(a) Find a
1. 1 answer
2. asked by Cathy
3. 619 views
A plane is steering at S83degreesE at an airspeed of 550 km/h. the wind is from N70degreesE at 85 km/h. Determine the ground
1. 1 answer
2. asked by Tina
3. 1,326 views
In the figure, a 52 kg rock climber is climbing a “chimney” between two rock slabs. The coefficient of static friction
1. 1 answer
2. asked by Anja
3. 964 views
A line has the equation y = 5x + 4.(a) This line has slope of ___________?(b) Any line parallel to this line has slope
1. 1 answer
2. asked by Cathy
3. 840 views
The slope of a horizontal line is 0. The equation of the horizontal line passing through (4,5) is ________?
1. 1 answer
2. asked by Cathy
3. 478 views
Due to friction with the Earth's atmosphere, a large static electric charge could build up on our plummeting asteroid fragment.
1. 0 answers
2. asked by sally
3. 700 views
The slope of a vertical line is _________? The equation of the vertical line passing through (4, 5) is ________?
1. 1 answer
2. asked by Cathy
3. 1,822 views
Find an equation of the line that satisfies the given conditions.Through (5, 3) and (4, 7)
1. 1 answer
2. asked by Bob
3. 725 views
Yes, it's me again! How would you write the expression that represents the perimeter of a rectangle measuring 4 x - 4 + 7 x + 1W
1. 5 answers
2. asked by Kyle
3. 595 views
A mouse sits on a turntable 14.8 cm from the center. The coefficient of static friction is 0.49. The angular velocity increases
1. 0 answers
2. asked by Neil
3. 565 views
The slope of a horizontal line is 1. The equation of the horizontal line passing through (4, 5)is _______?
1. 1 answer
2. asked by Bob
3. 569 views
A spherical snowball is placed in the sun. The snowball melts so that it's surface areadecreases at a rate of 2 cm2 /min. Find
1. 1 answer
2. asked by Jocelyn
3. 698 views
Compute the domain of the real-valued function f(x)=sqrt(1-sqrt(2-x)). Thank you
1. 1 answer
2. asked by Trish Goal
3. 1,208 views
To create effective and attractive programs for children, most activities should beA. focused on academic learning. B.
1. 3 answers
2. asked by Amanda
3. 867 views
Compute the domain of the real-valued function f(x)=qsrt(1-sqrt(2-x)). Thank you!
1. 1 answer
2. asked by Trish Goal
3. 449 views
_______ proposed that much of a child's learning comes from modeling the behavior of others.A. Howard Gardner B. Jean Piaget C.
1. 1 answer
2. asked by Amanda
3. 471 views
Voters have been historically unwilling to underwrite a school-age child care system becauseA. recently immigrated families had
1. 3 answers
2. asked by Amanda
3. 1,231 views
When a 0.15 kg baseball is hit, it approaches the bat with a speed of 20 m/s and undergoes an elastic collision. (a) What is the
1. 1 answer
2. asked by Jeffrey
3. 881 views
Find the greatest integer value of b for which the expression 9x^2+4x^2+11x+7/x^2+bx+8 has a domain for all real numbers? Thank
1. 1 answer
2. asked by Trish Goal
3. 724 views
5x^2-10x+d=0Determine an integer value for d such that the equation has rational, non zero roots Please show me the steps and
1. 3 answers
2. asked by Sarah
3. 1,056 views
According to Maslow's hierarchy of needs, trying to earn respect, approval, and success are part of which level of the pyramid?A
1. 3 answers
2. asked by Amanda
3. 886 views
Fill in the empty spaces to complete the puzzle. In any row, the two left spaces should multiply to equal the right-hand space.
1. 1 answer
2. asked by Rose Nicol
3. 680 views
Calculate the heat that must be supplied to a 544 g stainless steel vessel containing 333 g of water to raise its temperature
1. 1 answer
2. asked by Kari
3. 1,680 views
What are the products (either vector or scalar for each answer) of:a) scalar x scalar b) scalar x vector c) vector x vector A
1. 0 answers
2. asked by Amy
3. 657 views
A spherical snowball is placed in the sun. The snowball melts so that it's surface areadecreases at a rate of 2 cm2 /min. Find
1. 1 answer
2. asked by Andie
3. 786 views
In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 36.6
1. 2 answers
2. asked by Student A
3. 583 views
the marks of 100 students in an examination are normally distributed with mean of 25 marks and a standard deviation of 10 marks.
1. 1 answer
2. asked by Mere
3. 737 views
There were 39,000 desktop publishing jobs in the United States in 2000. It has been projected that there will be 64,000 desktop
1. 1 answer
2. asked by Jesse
3. 696 views
A piece of pottery is removed from a kiln and allowed to cool in a controlled environment. The temperature (in degrees
1. 0 answers
2. asked by Jesse
3. 553 views
Ammonium carbonate decomposes upon heating according to the following balanced equation:(NH4)2CO3(s)→2NH3(g)+CO2(g)+H2O(g)
1. 2 answers
2. asked by Elizabeth
3. 849 views
The rate at which water evaporates from a certain reservoir depends on the air temperature. The table below shows the number of
1. 1 answer
2. asked by Jesse
3. 734 views
A rental company purchases a truck for $14,500. The truck requires an average cost of $6.75 per day in maintenance.(a) Find a
1. 0 answers
2. asked by Jesse
3. 708 views
Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $111.00 for 3 days and 300 miles,
1. 1 answer
2. asked by Mary
3. 963 views
Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $111.00 for 3 days and 300 miles,
1. 1 answer
2. asked by Mary
3. 569 views
1.Two investments are made at the same time. The first consists of investing 1550 dollars at a nominal rate of interest of 7.9
1. 0 answers
2. asked by ALBERT
3. 813 views
If the volume of a spherical balloon is changing at a rate of 10 cm3/s, how fast is the surface area changing when the radius is
1. 1 answer
2. asked by Andie
3. 590 views
A random sample of 16 mid-sized cars tested for fuel consumption gave a mean of 26.4 kilometers per liter with a standard
1. 0 answers
2. asked by Angee
3. 487 views
Line AB is parallel to line CD for A(4, -5), B(-2, -3), C(x, -2), D(6, y). Find a set of possible values for x and y.
1. 1 answer
2. asked by Anonymous
3. 769 views
please HELP!!mass of magnesium chloride =.2 mass of chlorine in magnesium chloride =.1 A)moles of magnesium? B)moles of
1. 1 answer
2. asked by Gina
3. 731 views
A researcher is interested in estimating the average salary of Police officers in a large city. she want to be 95% confident
1. 1 answer
2. asked by rowlene
3. 714 views
A rental agency claims that the average rent that small business establishments pay in Suva city is $800. A sample of 10
1. 1 answer
2. asked by Anny
3. 523 views
The Suva Energy Information Administration reported that 51.7% of homes in Suva were heated by natural gas. A random sample of
1. 0 answers
2. asked by Krish
3. 594 views
For the remaining parts of this question use the following settings in "Uniform circular motion" mode. The initial angular
1. 0 answers
2. asked by G
3. 647 views
if 8 moles of fructose are fermented and 320g of ethanol is obtained,what is the yield of the fermentation
1. 1 answer
2. asked by soffy
3. 413 views
A caterer prepares three times as many pizzas as she usually prepares for a large party. The caterer usually prepares 5 pizzas.
1. 2 answers
2. asked by kymy
3. 989 views
What is the electric field intensity of a point 15cm from a charge 15microcoulomb
1. 1 answer
2. asked by favour
3. 519 views
what is the freezing point of 0.05 M glucose(C6H12O6), 0.05 M NaCl, and 0.05 M MgCl2?
1. 1 answer
2. asked by rakesh kumar
3. 1,771 views
How many moles of magnesium are in Magnesium Chloride?
1. 1 answer
2. asked by Gina
3. 674 views
Jamal lives 8 blocks from school. Bethany lives 3 times as far from school as Jamal . Michael lives 4 times as far as Jamal and
1. 1 answer
2. asked by Nnh
3. 571 views
Tasha examined the correlation between the weight and fuel economy of the 20 top-selling cars. She observed that the coefficient
1. 1 answer
2. asked by Casey
3. 662 views
A deck has 52 cards it has 13 in each type find the probability of gettinga) a diamond card b) an ace card c) a red card d) a
1. 2 answers
2. asked by John
3. 630 views
What percent less than 45 is 25?
1. 2 answers
2. asked by Righteous
3. 347 views
A tree is losing its trees. Two thirds fall off in the first week, two thirds of those remaining fall off in the second week,
1. 5 answers
2. asked by Lucy
3. 3,351 views
given mean distance of 16 miles standard deviation of 8 miles with sample of 75 commuters what is probability of sample mean
1. 1 answer
2. asked by alma
3. 505 views
NEED HELP!I would like to create a class for finding the voltages of 1, 2 or even 4 batteries. The Class can be called
1. 0 answers
2. asked by JORDAN
3. 460 views
Quadrilateral Math has been dissected into squares. The area of the red square is 64 square units and the area of the blue
1. 1 answer
2. asked by Maria
3. 986 views
how do I find the correlation coefficient r?Jesse put the heartbeat and lifespan data into a statistical software program and
1. 2 answers
2. asked by Casey
3. 781 views
a car accidently roll off a cliff. as it leaves the cliff it has a horizontal velocity of 13m/s.it hits the ground 60m from the
1. 13 answers
2. asked by betlehem
3. 6,187 views
For a normal distribution (symmetrical), a value that is two standard deviations below the mean would be closer to which of the
1. 0 answers
2. asked by Anonymous
3. 478 views
Simplfy the following expression -3x + 5x + y+y+y I think the answer is 8x + 3y Would I be right? Thank You
1. 3 answers
2. asked by Matt
3. 432 views
Is this a true statement?x+x+x+2+3=3x+5 I think this is could you tell me if I'm right? Big test comming! Thanks
1. 3 answers
2. asked by Nico
3. 388 views
A 20 g fridge magnet is being held onto the fridge by a 0.9 N force. coefficient of kinetic friction is 0.3 .a. calculate the
1. 0 answers
2. asked by sara
3. 831 views
A 20 g fridge magnet is being held onto the fridge by a 0.9 N force. coefficient of kinetic friction is 0.3 . (please include an
1. 1 answer
2. asked by Anonymous
3. 938 views
A block of mass 11.2 kg slides from rest down a frictionless 24.0° incline and is stopped by a strong spring with a spring
1. 1 answer
2. asked by Serena
3. 725 views
3. When you hear a recurring melody in a programmatic piece like Symphonie fantastique, you're experiencing which of the
1. 2 answers
2. asked by milly
3. 669 views
If a portion of your aspirin sample had broken down, how would that effect the totalamount of base used? What would the effect
1. 1 answer
2. asked by jhon
3. 442 views
Which of the following best explains the difference between informative and explanatory text?a. Informative provides readers a
1. 22 answers
2. asked by a girl from connexus
3. 1,332 views
An airplane flies 180 miles from point A in the direction 135° and then travels in the direction 240° for 90 miles.
1. 3 answers
2. asked by Anonymous
3. 905 views
one section of a suspension bridge has its weight uniformly distributed between twin towers that are 400 feet apart and rise 90
1. 1 answer
2. asked by tim
3. 2,612 views
Find the critical numbers of the functionf(x) = x^{1/4}-x^{-3/4}.
1. 1 answer
2. asked by Leah
3. 521 views
Let f(x) = 3+4x-x^{3}. Find the open intervals on which f is increasing (decreasing). Then determine the x-coordinates of all
1. 1 answer
2. asked by Anonymous
3. 741 views
Which verbal expression represents the algebraic expression?(A) 2 times a number minus 6 (B) twice the difference between 6 and
1. 6 answers
2. asked by Kyle
3. 1,627 views
A(n) 160 g block is pushed by an external force against a spring with spring constant of 1260 N/m until the spring is compressed
1. 0 answers
2. asked by Kristy
3. 902 views
How does BF4^- make tetrahedral structure. Because B have 3 outermost electrons. It may combine with three fluorine. But how is
1. 1 answer
2. asked by Noor
3. 409 views
A 1200 kg car pulls a 510 kg trailer. The car exerts a horizontal force of 4040 N against the ground in order to accelerate.
1. 1 answer
2. asked by Sandy
3. 928 views
A typist can type 146 words in 100 seconds. At this rate, how many minutes and seconds would it take him to type 657 words.
1. 2 answers
2. asked by Nicki
3. 590 views
Let f(x) = 3+4x-x^{3}. Find the open intervals on which f is increasing (decreasing). Then determine the x-coordinates of all
1. 0 answers
2. asked by Anonymous
3. 563 views
For the complete combustion of 1.000 mole of ethane gas at 298K and 1 atm pressure, change in H= -1560 kJ/mol. What will be the
1. 2 answers
2. asked by Kristi
3. 2,045 views
For a photon with  = 730 nm, determine its speed, frequency, energy, and color.For frequency the formula would be v=c/lambda
1. 1 answer
2. asked by Feather
3. 1,177 views
A rental agency claims that the average rent that small business establishments pay in Suva city is $800. A sample of 10
1. 1 answer
2. asked by Krish
3. 804 views

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