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6 math
Ricky had 2/3 gallon of fruit punch left over from his party. He gave Jason 1/4 gallon the next day. What fraction of a gallon of fruit punch does Riky have left?
math grade five
A freight train travels 100km every hour it passes over a river at 10:00am four hours later a passenger train passes over the same river the passenger travels 150km every hour when does the passenger train overtake the freight train? How far are they from the river?
math
matrices: A=[-5 4 -6 9 -8 7 4 -3 9] B=[-2 4 -5 8 9 3 5 -2 2] AB=? please show work if you can.
Math I
How do you find whether a function is even or odd? Identify the odd function. A)f(x) = 5 B)f(x) = 8x C)f(x) = |x3| D)f(x) = x2 + 7
math
matrices: A=[-5 4 -6 B=[-2 4 -5 9 -8 7 8 9 3 4 -3 9] 5 -2 2] AB=? please show the work if you can.
math
Please also explain how you got the answer if you know it. Thanks. : Solve for x. x2-4x+2 = -2x+5 A) (-1,7) B) (3,-1) C) {-1,7} D. {3,-1}
math
The brightness of a light bulb varies inversely as the square of the distance from the source. If a light bulb has a brightness of 300 lumens at 2 ft, what will its brightness be at 10 ft?
math
The brightness of a light bulb varies inversely as the square of the distance from the source. If a light bulb has a brightness of 300 lumens at 2 ft, what will its brightness be at 10 ft?
Math 1
Please also explain how you got the answer if you know it. Thanks. : Solve for x. x2-4x+2 = -2x+5 A) (-1,7) B) (3,-1) C) {-1,7} D. {3,-1}
math
thank you Ms.sue
math
which is less than 3/4 4/5 2/3 6/7 8/10
math
how do I figure out the following:52 students take a test and only 3 pass the test what percent of the students passed I need a strategy/show how you got the answer thanks
math
solve for all real# sin2x(csc2x-2)=0
math
Suppose the cost C(q) (in dollars) of producing a quantity q of a product equals C(q) = 500 + 2q +1/5q^2 The marginal cost M(q) equals the instantaneous rate of change of the total cost. Find the marginal cost when a quantity of 10 items are being produced.
math(Please please help!!!)
1) initial investment = $600 annual % rate = ? time to double = ? amount after 10 years = $19,205.00 19,205 = 600e^(10r) I do not know how to solve for r of find the time to double.
math(Urgent)
1) The number of bacteria N in a culture is given by N=250e^kt where t is the time in hours. If N = 280 when t=10 estimate the time required for the population to double in size. 280 = 250e^10k divide by 250 1.12 = e^10k ln 1.12 / 10 = .011 K = 0.11 Now I do not know what to do!
math(Urgent)
1) The number of bacteria N in a culture is given by N=250e^kt where t is the time in hours. If N = 280 when t=10 estimate the time required for the population to double in size. 280 = 250e^10k divide by 250 1.12 = e^10k ln 1.12 / 10 = .011 K = 0.11 Now I do not know what to do!
math (Urgent)
1) The number of bacteria N in a culture is given by N=250e^kt where t is the time in hours. If
math
IF a plane can travel 2.00 x 10 to the power of 3 km in 3.00 hours, what is the velocity in metre/sec.?
math
Solve the inequality x^2 + 7x + 12 < 0.
Math
How can we solve this using a Venn diagaram? 12 out of 1000 women at age forty who participate in routine screening have breast cancer. 880 out of 1000 women with breast cancer will get positive mammographies. 90 out of 1000 women without breast cancer will also get positive m...
math
Find the domain of g(t) = sqrt (3t + 15.)
MATH
HOW TO TELL if each pair of polygons are diffrent
maths
solve : 5x(squared) - 245 = 0
maths
solve algebraically to 2 decimal places : 3(x-2) = x x 3
maths
solve (x+2)(all squared) - (1-x)(all squared) = -5
maths
another question ? A is an acute angle and sin A=3/5 calculate the value of tan A ??
math
If f(x) = 3x + 9 and g(x) = −x2, then find f(g(1)).
math
Solve the inequality x2 + 7x + 12 < 0.
math
Find the domain of g(t) = p3t + 15.
math
A rocket is stopped 12 feet from a satellite when it begings accelerating away from the satellite at a constant rate of 12 feet per second. The distance between the rocket and the satellite is given by the polynormial P(t)= 6t^2+12. Find the distance between the rocet and the ...
Math
Find the slope of a line perpendicular to the line y= 5/3x
math
When making a telephone call using a calling card, a call lasting 3 minutes cost $1.65. A call lasting 11 minutes cost $4.85. Let y ba the cost of making a call lasting x minutes using a calling card. Write a linerar equation that models the cost of making a call lasting x min...
math
Find the domain f(x)=1/x-4+4/x+3
math
(f+g)(1)when f(x)=x+5 and g(x)=x+7
Maths
Can anyone solve this eqestion ?? a line passes through (5,-2) and is parallel to y=3x find the equation of the line ??
Math - Venn Diagrams
How can we solve this using a Venn diagaram? 12 out of 1000 women at age forty who participate in routine screening have breast cancer. 880 out of 1000 women with breast cancer will get positive mammographies. 90 out of 1000 women without breast cancer will also get positive m...
Math
Field Goals Free Throws --------------------------------------- Number: % : Number : % Taken : Made : Taken : Made ---------------------------------------Lions : 37 1/2%: : 20 : 55% 48 : : : Tigers: 45% : 18 : 66 2/3% 40 : If these are the results of a basketball game, ...
Math
In a dart game, Jessie hit the bulls-eye on 15 of 20 throws. Based on these results, what are the odds in favor of her hitting the bullseye on her next throw? Answer is 3 to 1, why?
math
Leslie bought a new car with a sticker price of $10,356. If she paid 6% sales tax, traded in her old car for $2,250, and made a 20% down payment, calculate the total amount of the purchase price that she financed.
Math
John had some animals. One-fourth were horses, one-half were cows, and the rest were pigs. He had 8 pigs. How many animals did he have altogether?
math
jessica had 24 customers open an account during the month, which is 60% of her monthly goal. What is her monthly goal. I came up with 40. am I right?? If not how do I figure this out. The other choices are 36 40 54 60 Thanks to all for your help.
math
Find the equivalent number on the 12-hour clock. -22
math
2 - x > 17
Math
Consider the paraboloid z=x^2+y^2. The plane 3x-2y+z-7=0 cuts the paraboloid, its intersection being a curve. What is the "the natural" parametrization of this curve? Hint: The curve which is cut lies above a circle in the xy-plane which you should parametrize as a f...
math
Round 28.9253 to 3 decimal places. is right answer ? 28.933
math
Write the following as a number: forty three billion, eight hundred forty thousand, three hundred forty dollars. 43000840340 is right answer?
math
need help with this problem 9-10x2 divided by 5+7
Math
"A tank holds 1000L of water, which takes an hour to drain from the bottom of the tank, then the volume V of water remaining in the tank after t minutes is: V = 1000(1-(t/60))^2 where t is between 0 and 60 inclusive. Find the rate at which the water is flowing out of the ...
math 4th grade
To win $1 million, you must draw two cards whose sum is nine, from a stack of cards numbered 1 through 10. After the first draw, you replace the card and shuffle the stack again for the second draw. What is the chance that your two cards will have a sum of nine?
4th grade math
Juanita has 35 pre-addressed post cards she plans to hand out to her friends so they will write to her while she is away visiting her grandmother. She has 7 friends she'd like to give them to. Write a number sentence to show how Juanita can share her cards equally among he...
math
sorry guys i m difficulty student with math.
math
Round 28.9253 to 3 decimal places.
math plz
Write the following as a number: three billion, fifty three thousand, twenty one dollars. (plz answer this)
Math
Carol would like to pay cash for a car when she graduates from college and estimates that she can afford a car that cost between $4000 and $8000. She has saved $500 so far and plans to earn the rest of the money by working the next two summers. If Carol plans to save the same ...
math
Round 24.6066 to 1 decimal place.
math plz
a)Round 16.8996 to a whole number. b)Round 3.6905 to 2 decimal places.
math
Write the following as a number: three billion, fifty three thousand, twenty one dollars.
math
how do i evaluate the integral of dx/ x^2 +9
math
Write the following as a number: thirty one billion, forty four thousand, fifty dollars.
math
Write the following as a number: thirty one billion, forty four thousand, fifty dollars.
math
Round 32.1382 to 2 decimal places.
math plz
A sales manager was given a bonus of $6,350 on the year's sales of $440,000. When answering the following questions, please make sure your final answers are in percentage form and are accurate to 2 decimal places. For example 34.56%. a) What was the bonus as a percent of ...
math
Round 32.1382 to 2 decimal places.
math
Round 32.1168 to 2 decimal places.
math
Round 16.4486 to a whole number.
Math
2t-1 divided 3 = 3t+2 divided by 15
Math
Suppose you deposit $400 in an account that earn 0.75 percent each quarter. You make no withdrawal from the account and deposit no mone money into the account. How much money will accumulate after 2.5 years
math
5\10-radical6
math
3\4+radical2
math
(radical6-5radical)-(radical10+radical3)
math
2radical10(radical5 +3radical2)
math
20radical2 + 10radical6
math
6radical45 + 2radical80
math
algebra in 8th your teacher is giving you a test worth 100 points containing 40 questions. There are two-point and four-point questions on teh test. how many of each type of questions are on the test?
math
20radical + 10radical6
math
how do i evaluate the integral of secxdx
math
Dental services. The national cost C in billions of dollars for dental services can be modeled by the linear equation C = 2.85n + 30.52. how would me graph look like
math
how would i find the integral of sin (2t+1)/cos^2(2t+1) dt
algebra
Assume that the mathematical model C(x) = 16x + 130 represents the cost C, in hundreds of dollars, for a certain manufacturer to produce x items. How many items x can be manufactured while keeping costs between $525,000 and $781,000?
Math
-10m^-1y^0r _______________ -14m^-7y^-3r^-4 Please help me simplify this polynomial.
Math please help
How do i find the number of degrees in a point angle...for example {6/2}
MATH
Hello I have to draw a pentagon with 30 square units on graph paper. My question is how can I get 30 square units if the slanted sides are not full squares?
math repost Please Help!
Hello, In a class of 24 students, every student flips fairly two coins 40 times each and records the results. Assume that the class obtained the expected results when they conducted the experiment. a. Make a bar graph illustrating the combined class results b. explain why an i...
Math (repost)
In standard form, find the equation of the circle that passes through the origin and x-intercept 1 and y-intercept 2. (I fixed a correction a little too late after a response.) Help please? thanks!
Math
Why won’t a regular octagon tessellate the plane by itself? Describe a combination of a regular octagon and another regular polygon that will tessellate the plane.
Math
For the following Exercises, find the number of degrees in the point angle of each figure. 1) {5/2} = 2.5 2) {8/2} = 4 3) {6/2} = 3
Math
Show how to slice a cylindrical piece of cheese into eight congruent pieces with three slices.
Math
A woman buys 5 kilograms of sugar. How many pounds has she purchased?
Math
An engineer’s plan shows a canal with a trapezoidal cross section that is 8 ft deep and 14 ft across at the bottom with walls sloping outward at an angle of 45°. The canal is 620 ft long. A contractor bidding on the job estimates the cost to excava...
Math
What volume of wood remains if a 2-cm hole is bored out of a cube with edge lengths of 4 cm?
Math
A developer can buy a plot of land 90-yd x 50-yd for $15,000 or a plot of land 180-yd x 100-yd for $55,000. If all other things are equal, which is the better buy? Why?
Math
Two corresponding sides of similar polygons are in the ratio of 5:4. If the perimeter of the smaller figure is 40, what is the perimeter of the larger figure?
Math
If the price of gasoline in Germany is about $1 per liter, what is the equivalent price of gasoline in dollars per gallon?
Math
Show how to slice a cylindrical piece of cheese into eight congruent pieces with three slices.
Math
Patricia's teacher asked her to find the perimeter of the school's rectangular parking lot. After school, patricia walks along the short side of the lot and finds it is 50 yards long. She then walks diagonally from one corner of the rectangle to the other and throught ...
MATH
Why is factoring polynomials important? How do we use it in our everyday lives?
MATH
Please help! Can you multiply different numbers with different roots? such as the 4th root of 2 times square root of 3
Math-Calculus
Posted question rewritten lim x-> -1 108(x^2+2x)(x+1)^3 ____________________ (x^3+1)^3 (x-1)
Math Help please
Can a scalene right triangle tessellate?
Math- Calculus
lim 108(x^2+2x)(x+1)^3 x-> -1 __________________ (divide) (x^3+1)^3 (x-1)
Math
Two corresponding sides of similar polygons have the ratio 5:4. The perimeter of the smaller figure is 40, what is the perimeter of the larger figure...I need help trying to figure this out...and the steps!
math
Your teacher is giving you a test worth 100 points containing 40 questions. There are two-point and four-point questions on the test. How many of each type of question are on the test? How would you set this up?
MATH
Hello, In a class of 24 students, every student flips fairly two coins 40 times each and records the results. Assume that the class obtained the expected results when they conducted the experiment. a. Make a bar graph illustrating the combined class results b. explain why an i...
Math
Hi, I need help differentiating this equation y=(cos5x) (e^-5x ) This is what I tried to do.... -5 (sin5x) (e^-5x) + 5 (e^-5x) (cos5x)
math
Round 3.571 to a whole number.
math
A sales manager was given a bonus of $6,090 on the year's sales of $400,000. When answering the following questions, please make sure your final answers are in percentage form and are accurate to 2 decimal places. For example 34.56%. a) What was the bonus as a percent of s...
math
Write the following as a number: twenty five billion, five hundred million, four dollars.
math
Write the following as a number: thirty billion, eight hundred eight million, nine hundred sixty six dollars.
math ?
four tellers are in a contest to see who can help bankers schedule the most meetings. Aaron has 52 meetings scheduled. Clyde has 25 % fewer meetings scheduled than Aaron. Joy has 20 more meetings than Clyde, and Cathy has 25 % more than Aaron. List the tellers from the most me...
math
the price for a stock has decreased from $24.50 per share to $18.60 per share. What percentage is the decrease? I am not sure how to figure this. I came up with 24.08% ???
math
find a polynomial A(x) that represents the new area. Tracie's garden is a square with sides of length x feet. Next spring she plans to make it rectangular by lengthening one side 3 feet and shortening the other side by 3 feet
math!
The Black's assets are to be divided among their three children Josh, Sanjeev, and Alan in the ratio of 8 : 6 : 3. For full marks your answer(s) should be rounded to the nearest cent. a) If Josh received $9,500 from the sale of securities, what amount should Alan receive? ...
Math!
A 4-year magazine subscription costs $172 and may be canceled at any time, and a prorated refund will be made for the remaining weekly issues. If Marc cancels his subscription after receiving 42 issues in the 4th year, what refund would he get? Assume there are exactly 52 week...
math!
Radu has just returned from a business trip in Britain with £250 of uncashed traveller's cheques. How much would he receive from the bank when he converts the currency back to Canadian dollars, assuming that the bank offers an exchange rate of C$1.00 = £0.4470 ...
Math!
Aida is makeing some punch for a party. The recipe calls for a 3:3.50 ratio of gingerale to fruit juice. How much fruit juice would Aida have to use if she already poured 8L of gingerlae in the punch bowl? ANSWER! gingerale:fruitjuice 3:3.5 3.5/3*3=9.3L i got the answer 9.3L i...
math
a income of 63000.00 his social security tax is 12.4%, medicare is 2.9% and his estimated federal income tax rate is 22%. how much quarterly estimated tax must his send to the irs for the quarter
math
Hello, A ship's movements are being tracked on a radar screen. The ship is first seen on point a with coordinates (-5,8) 1. It moves along vector AB represented by the ordered pair (-6,-1) 2. Then it travels along vector BC represented by the ordered pair (4,-3) 3. Finally...
math
"Find a quick and easy method to compute the sum of the first 100 counting numbers."
math
how do i find the integral of (dx)/(x+2) from 0 to 7?
Math
Find the equation of the circle that passes through the origin and x-intercept 1 and y-intercept 0. (standard form again)
Math
The standard form of a circle is Ax^2+Cy^2+Dx+Ey+F=0. Write the equation for the circle: Center (1,2), point on the circle (-2,-1). Okay, I've always put circles in the form (x-h)^2+(y-k)^2=0. I got this: r^2=(x-1)^2+(y-2)^2 then I substitute the point to find the radius: ...
Math
Graph the solution: 3x-y-7<0 x+5y+3>=0 This is my thought process in this: The first equation I can solve for y since we don't have to worry what x is. And I get y>3x-7. The second one, however, y is being multiplied by 5, so I can't just divide by 5 on both s...
MATH
HOW TO SOLVE Y=6X-11 AND -2X-3Y=-7
math
5radical8\2-radical 3
math
Translate the problem into a pair of linear equations in two variables. Solve the equations using either elimination or substitution. State your answer for the specified variable. A student took out two loans totaling $10,000 to help pay for college expenses. One loan was at 8...
math/stats
If you square a correlation coefficient and subtract this number from 1.00, what is the result? Is it the coefficient of determination?
math
math is a hard thing for me sometimes and i need help with the question 5% OF 36 PLEASE HELP!
Math - another question
lim(sqrt(x+1))/(sqrt(4x-1)) as x approaches infinity.
Math
How do I solve lim((3x^3 - 5x +2)/(4x^2 + 3)) as x approaches infinity? I divided everything by the largest power of x, but I ended up getting a denominator of 0. Do I have to factor this? (answer is infinity)
Math
Hello, I'm not sure how to go about this question. To get to work on the first day, Jose has the following directions. Travel 15 miles due East. Turn right and travel 12 miles due south. Turn right again and travel 10 miles due West. If Jose could travel in a straight line...
Math
Hello, I can't find a pattern to answer this question, can you help? The beginning of the fibonacci number sequence is listed below: 1,1,2,3,5,8,13,...... What is the smallest term in the sequence which has a value greater than 100?
math(Please please help!!!)
Solving log functions 1) log x + log(x-6) = log 7
math
cost of item plus 7% sales tax is 211.86. what is the cost of item?
Math
A square and an equilateral triangle have equal perimeters. The area of the triangle is 16ã3 square centimeters, how long in centimeters is a diagonal of the square? Express your answer in simplest radical form.
math
why is it possible to draw a circle which passes through all vertices of a rectangle
math
the following statement always true, always false, or true in some cases and false in others? Explain your answer. A quadrilateral whose diagonals are congruent and perpendicular is a square.
Maths
Find the area of the region which is bounded by the polar curves theta =pi and r=2theta 0<theta<1.5pi inclusive
Math
Find the area of the region which is bounded by the polar curves theta =pi and r=2theta 0<theta<1.5pi inclusive
Math - Beginning Calculus
Why does lim10^(3-x) as x approaches infinity = 0? And why does lim10^(1/x) as x approaches infinity = 1? Are properties of infinite limits involved here?
math
the width of a rectangle is fixed at 30cm. What lengths will make the perimetear greater than 88cm
math
Please show work The little town arts center charges $21 for adults, $17 for senior citizens and $8 for children under 12 for their lfe performance on sunday. On sunday the revenue paid wa $13,274 for 886 tickets sold. There were 47 more children than adults. How many children...
Math 9
5 x 10^n = 5 Can someone please tell me the steps to solve for n? thank you!
math
3\4+radical2
math
5/10-radicl6
math
3/4+ã2
math
5/10-ã6
Math
What words have a horizontal line of symmetry when printed horizontally, and a vertical line of symmetry when printed vertically. The only word I have is HI.
Math
The numbers 1-10 are placed on cards, and the cards are put in a hat. If two cards are drawn, in order, without replacement, what is the probability that a. both are composite? b. one number is even and the other is odd? c. one number is even and the other a prime?
math
is the answer to this question right? solve for "y" Question: 6x+8y-5=0 Answer: 3/4x-5/8=y is it right (if not can u correct it for me)
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