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luckybee

Questions (57)

complete the square2x^2-4x-1=0
1. 1 answer
2. 529 views
if a teacher wanted to demonstrate mass in the classroom, which of the following objects should she use? a ruler or an eraser
1. 1 answer
2. 405 views
how do you solve this equationd/3t + d/4.5(t+1.5) = d
1. 1 answer
2. 452 views
an express train leaves new york at 3:00 pm and rreaches boston at 6:00 pm a slow train leaves boston at 1:30pm and arrives in
1. 2 answers
2. 660 views
Me and Bill said casey can do the job for you in 10 days but give me alex instead of bill and we can get it done in 9 days. i
1. 1 answer
2. 1,064 views
a certain two-digit number is 6 less than the sum of its tens digit and 7 times its units digit. if the digits are reversed the
1. 1 answer
2. 660 views
Sandra spent one-fifth of her money and loaned one-third of the remainder to her brother. She had $24 left. How much did she
1. 4 answers
2. 564 views
When you have 3 separate circles and the radius of each of those circles is 10 do i calculate like this? 2(10)+2(10)+2(10)=60 cm
1. 3 answers
2. 1,180 views
calculating the range of0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 Is the range 16-0 =16
1. 1 answer
2. 474 views
Is this set closed under multiplication{-1, 0, 1}
1. 1 answer
2. 577 views
solveX^2 + Y^2 =70 Y= 2X + 5
1. 1 answer
2. 390 views
conjecture 17 if A, B, and C are sets, then (A\B)U C = A\(BUC)
1. 0 answers
2. 356 views
a packaging company manufactures a cardboard box with a volume of 864 cubic inches. the length of the box is 24 inches, and the
1. 1 answer
2. 1,763 views
Calculate the number of SO_2 molecules in 9.19 moles of SO_2
1. 1 answer
2. 428 views
A high-protein diet contains 71g of carbohydrate, 150 g of protein, and 5.0 g of fat. How many kilocalories does this diet
1. 1 answer
2. 625 views
using a right triangle with one angle 24 degrees and the opposite side being 57 feet, write an expression to fine the
1. 1 answer
2. 484 views
a tank used to operate equipment can be filled with air in 3 hours. when the outlet valve is open, the same tank can be emptied
1. 1 answer
2. 604 views
a student is using a geometry program to investigate the midsegments of a triangle. the student uses the program to draw
1. 0 answers
2. 720 views
1+3=4=2^21+3+5=9=3^2 1+3+5+7=16=4^2 is this an example of inductive or deductive reasoning. I believe it is deductive because
1. 1 answer
2. 723 views
marcus rides his bicycle of 3 1/8 hour per day. what is the number of seconds that marcus spends riding his bike each day?My
1. 1 answer
2. 573 views
a circular chimney pipe with an 8-inch diameter passes vertically from a heater through a metal plate in the roof. the plate has
1. 1 answer
2. 538 views
a packaging company manufactures a cardboard box with a volume of 864 cubic inches. the length of the box is 24 inches, and the
1. 2 answers
2. 727 views
a student rolls three standard six-sided dice. what is the probability that the sum of the numbers that come up will be 18? is
1. 1 answer
2. 661 views
what is the graph of 6X^2+6X-12>0?My solution is: an open circle over -2 going to infinite an open circle over +1 going to
1. 1 answer
2. 461 views
a farmer has 600 meters of fencing and plans to use it to build two adjacent rectangular pens as show above. the farmer would
1. 1 answer
2. 783 views
Dave started his coin collection with 25 coins. the first wee he added 2 coins, the next week he added 4 coins, and the third
1. 1 answer
2. 669 views
A manufacturer wants to package samples of a product in a box with a square base. the package is to have a volume of 100 cubic
1. 1 answer
2. 1,183 views
X^2 + Y^2 =70Y = 2X + 5 MY ANSWER: -5.6, 1.6 is this correct?
1. 1 answer
2. 368 views
a quadractic function y=3x^2-6x+5 is expressed in the form (y-k)= A(x-h)^2, where the poing (h,k) is the vertex of the parobla.
1. 1 answer
2. 530 views
the horizontal speed of an airplane is 173 miles per hour. the magnitude of the planes velocity is 200 miles per hour. what
1. 1 answer
2. 479 views
PD= 600(0.978)^tPD is decreasing at 2.2% per year. How did they get 2.2%
1. 1 answer
2. 393 views
f(3)=-3/8 and (f-2)=-12MY SOLUTION F(-2)=ab^-2 = -12 F( 3)=ab^ 3 = -3/8 b^5 = 12 * 3/8 = 32 b=2 12 = a(2)^2 12 = 4a a =3
1. 1 answer
2. 315 views
please check my homeworkgiven P(7,2) and the line y + 3x=7 find the equation for the line parallel line: y+3x+7 y=-3(x-7) +7
1. 1 answer
2. 607 views
f(x)=6fx)=20+2x^2 all under a square root symbol 6=20+2(36) 6=the square root of 92 will someone help me
1. 1 answer
2. 405 views
give the general formulas for the integer solutions of x^2 + y^2 = z^2. what is x,y, and z when m=18 and n=11
1. 0 answers
2. 397 views
V=h[( (a+b)/2)^2 + 1/3( (a-b)/2)^2]showing all steps that it reduces to following: v=h/3(a^2 +ab+b^2)
1. 0 answers
2. 349 views
give the general formulas for the integer solutions of x^2 + y^2 = z^2. what is x,y, and z when me=18 and n=11
1. 1 answer
2. 333 views
V=h[( (a+b)/2)^2 + 1/3( (a-b)/2)^2]showing all steps that it reduces to following: v=h/3(a^2 +ab+b^2)
1. 1 answer
2. 397 views
recent estimates indicate that the area covered by glaciers has decreased from over 25.5 km^2 in 1850 to about 16.6 km^2 in
1. 1 answer
2. 459 views
If F is a decreasing function what can you say about F(-2) compared to F(2)?
1. 2 answers
2. 760 views
If G is an increasing function. what can you say about G(3) - G(-1)?
1. 1 answer
2. 1,316 views
sample standard deviation = 3sample mean = 68 n=30 what is the probability that one student selected at random from the sample
1. 2 answers
2. 1,280 views
telephone numbers for a certain city have exchanges of 584, 545, or 586. each of these exchanges is followed by four digits. how
1. 1 answer
2. 364 views
A sudent is analyzing data from an experiment using a linear model. when the student entered the data into his calculator and
1. 1 answer
2. 741 views
a student starts with a positive number, x^6, and take the square root three times and the cube root once. this is equivalent to
1. 2 answers
2. 488 views
in an infinite series of circles the radius of the second circle is one half the radius of the first circle and the radius of
1. 2 answers
2. 1,474 views
two cars leave the station at 9:00 am. the first car head due south at an avg speed of 54mph. the second car heads due west at
1. 1 answer
2. 413 views
the horizontal speed of an airplane is 183mph. the magnitude of the plane's velocity is 200mph. write an expression describing
1. 1 answer
2. 577 views
A sudent is analyzing data from an experiment using a linear model. when the student entered the data into his calculator and
1. 0 answers
2. 696 views
a weather girl predicts there is a 50% chance of rain and a 10% chance that the rain will turn into snow. What is the
1. 3 answers
2. 993 views
one of six radios in a crate is known to be defective. the radios are tested one at a time. if the first two radios are not
1. 1 answer
2. 515 views
a weather girl predicts there is a 50% chance of rain and a 10% chance that the rain will turn into snow. What is the
1. 1 answer
2. 677 views
to estimate the number of daises in a field students toss a ball into the field and mark a circular region with a radius of 15
1. 1 answer
2. 475 views
how many different license plates can be made consisting of three letters by four digits?
1. 2 answers
2. 621 views
A group is studying age distribution of people living in town. The mean age is 45, the modal age is 59, the median age is 56,
1. 1 answer
2. 1,315 views
a point is randomly selected within the rectangle with vertices at (2,0), (2,2), (-4,2), and (4,0). What is the probability that
1. 1 answer
2. 493 views
a computer system requires all users to log on using a 6 character password. if each character can be either a digit from 0 to 9
1. 1 answer
2. 719 views

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