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math
?/8 = 15/? = 24/32
math
HELP PLEASE!!! ESPECIALLY PART 2 2. The following questions do not require the data above. Answer with the data given in each question. i. There is a total of approximately 12.4 billion acres of agricultural land (cropland, rangeland, irrigated land) on the major continents. G...
math
Find the nth term of the geometric sequence whose initial term is 7 and common ration is 7.(Your answer must be a function of n.)
math
Find the nth term of the geometric sequence whose initial term is 7 and common ration is 7. (your answer must be a function of n)
Math
The perimeter of a rectangle is 34 feet and the area measures 60 square feet. What are the length and width of the rectangle? (Hint: Use the equations : perimeter = times the sum of the length and the width area = length times width)
Math
Molly’s age is twice Anita’s. If the sum of the squares of their ages is 80, then Translate these words into an algebraic equation to determine their ages?
Math
Please help if you can. If a ball is shot projected straight upward at a rate of 64 feet per second from a rooftop, 80 feet above ground level, the height of feet above ground is modeled by the equation, h(t)=-16t^2+64t+80 Find h(0), h(1),h(2) Use the zero-factor property to d...
Math
What are the roots of x^2+3x+1? I'm kinda confused on the definition of roots...help please?
math
Roberto ate 3 pieces of a pizza and them felt that he should pay 1/4 of the cost because that's the fraction he ate. How many pieces was the pizza cut into?
math
Century is to decade as dollar is to: (a) penny (b) nickel (c) dime (d) quater
math
Century is to decade as dollar is to: (a) penny (b) nickel (c) dime (d) quater
math
Roberto ate 3 pieces of a pizza and them felt that he should pay 1/4 of the cost because that's the fraction he ate. How many pieces was the pizza cut into?
math
Thomas is playing Tic-Tac-Toe with a computer. It is the computer's turn to place an "x" on the board. If the computer makes its moves at random in the open spaces, what is the chance it will win on this move?
7th grade math
How do I figure: ?/8 = 15/? = 24/32
math
if the 7th day of the month is on a tuesday on what day is the 25th
math
1 ms = ? s 1 mile second = ??? second
College Math II
Solve the problem. If a manufacturer charges q dollars each for footballs, then he can sell 3000 – 150q footballs per week. Find the polynomial R(q) that represents the revenue for one week. Find the weekly revenue if the price is $8 for each football. I don't underst...
College Math II
Solve each problem. Find the quotient and remainder when x^2 – 5x + 9 is divided by x – 3. I don't understand how to divide and solve this problem. Can someone help me understand the steps on how to do it. Thanks.
College Math II
Write a complete solution to each problem. If the length of a rectangle is 3 feet longer than the width and the diagonal I s 15 feet, then what are the length and width? I do not understand how to solve this problem. Can someone help me? Thanks.
College Math II
Show a complete solution to each problem. Find the exact length of the side of a square whose diagonal is 3 feet. I am having problems understanding how you figure out this problem. Can someone help me? Thanks.
College Math II
If a ball is tossed into the air from a height of 6 feet with a velocity of 32 feet per second, then its altitude at time t (in seconds) can be described by the function A(t) = - 16t^2 + 32t + 6. Find the altitude of the ball at 2 seconds. I am having problems understanding ho...
College Math II
Solve by any method. a^4 – 5a^2 + 4 = 0 I am having problems figuring out what method to use to solve this problem. I need to show my steps and I am not sure how to do this. Can someone help? Thanks.
College Math II
Solve by any method. x(x + 1) = 12 I am not sure what method to use to show my work and figure out the answer. Can someone help me understand this problem. Thanks.
College Math II
Solve by using the quadratic formula. x^2 + 6x + 6 = 0 I am having problems using the quadratic formula to get the right answer. Can someone show me the steps that I use? Thanks.
College Math II
Rationalize the denominator and simplify. sqrt(6)/4srqrt(3) + sqrt(2) = I cannot figure out how to do this and simplify. Can someone help me. Thanks.
College Math II
(4 + sqrt(3)^2 = I am not sure how to follow the steps to come up with the answer. Can someone help me understand the steps. Thanks.
Math
Bert is 11 kilometers away from Brenda. Both begin to walk toward each other at the same time. Bert walks at 4 kilometers per hour. They will meet in 2 hours. How fast is Brenda walking?
average math
TRUNK AND TAILS bella the dog weighs 72 pounds. thats ABOUT 8628 pounds less than tarra weighs. how much does tarra weigh? i think the answer is 8530.
math
Bob has three sacks of apples and three more apples in his pocket. Each sack contains the same number of apples. Altogether, Bob has 33 apples. How many apples are in each sack? Solve with a Linear Equation is this right 3x+3=33 3x=30 30/3=10 x-5=10 10+5=15 x=15
College Math II
x/x – 1 - 3/x = 1/4 My problem says to show the work and to solve the equation. I am not sure how to use the steps to show my work and answer the problem. Thanks.
College Math II
x/x – 1 - 3/x = 1/2 I am not sure how to solve this equation and show my work. My problem just says to solve the equation. Thanks.
College Math II
_m^2 -1___ * _2m -2____ = (m – 1)^2 3m + 3 Actually my computer won't allow the line and these are like fractions. m^2 - 1/(m-1)^2 * 2m - 2/3m +3 = I am having a problem trying to follow the steps to show my work and come out with the correct answer. Thanks.
dynamath
TRUNK AND TAILS bella the dog weighs 72 pounds. thats ABOUT 8628 pounds less than tarra weighs. how much does tarra weigh? i think the answer is 8556 or 8030.
Maths
keep getting stuck for integrate e^(bx) cos x i get = cos x e^bx/b - int -sin x e^bx/b = cos x e^bx/b - -sin x e^bx/b^2 - int - cos x e^bx/b^2 this is where i get stuck please help
sat
the bus would not have had to take the A long detour instead of the main B highway if the bridge did not become C treacherous in the aftermath of an ice D storm. why is C wrong? thanks so much !
math
1. (1 pt) Let g(y) = 8y2 + 13y + 5. A function f is known to be continuous on ( −∞, ∞), to satisfy g ◦ f (x) = 0 for all real x and it is known that the value f (8) is not equal to −1. You have enough information to determine f precisely.
College Math II
a^4 - ab^3 = I have asked this question on many web sites and still cannot find the steps on how to solve this problem. Can you please help.
math
A quadratic function has its vertex at the point (-9,3). The function passes through the point (2,-1). Find the quadratic and linear coefficients and the constant term of the function.
math 116
- 2/11€(-9„ 11)= - 2/11 * -11/9 = 18/22?
Math 101
You order twelve burritos to go from a Mexican restaurant, five with hot peppers and seven without. However, the restaurant forgot to label them. If you pick three burritos at random, find the probability that at least two have hot peppers. (Round the answer to three decimal p...
Mathematics for Liberal Arts
Determine a casino's expected net income from a 24-hour period at a single roulette table if the casino's total overhead for the table is $50 per hour and if customers place a total of $7,000 on single-number bets, $4,000 on two-number bets, $4,000 on four-number bets,...
grade 1 maths
How many ways are there for 5 mice to live in 2 houses ?. I dont understand this question . please help me.
Math
To determine what effect the salespeople had on purchases, a department store polled 700 shoppers as to whether or not they had made a purchase and whether or not they were pleased with the service. Of those who had made a purchase, 125 were happy with the service and 111 were...
Math 101
Debra is buying prizes for a game at her school's fundraiser. The game has three levels of prizes, and she has already bought the second and third prizes. She wants the first prize to be nice enough to attract people to the game. The game's manufacturer has supplied he...
Math
Find the amount of money in an account after 12 years if $1000 is deposited at 5% annual interest compounded quarterly.
Math
Which is the best investment for three consecutive years? a. A growth of 5% followed by a growth of 10% followed by a growth of 15% b. A growth of 15% followed by a growth of 10% followed by a growth of 5% c. Three years of growth at 10% per year.
Math
Write as a percent 0.983
Math
How can you use a proportion to solve a percent word problem?
Math
A share of stock loses 5% in value and then gains 5% . How does its ending value compare with its initial value?
Math
The voltage, V, in volts, applied to an electric circuit can be modeled by the equation V= 167sin (120 pi x) where x is the time, in seconds. A component in the circuit can safely withstand a voltage of more than 120 V for 0.01 s or less. Determine the length of time the volta...
Math
-2 4/7 divided by -1 2/5
Math
-2 4/7 divided by
Math
|-6-4|
Math
Write a multiplication equation and find the area of the rectangle. A rectangle 2 f units high and m/2 units wide
Math
Convert the base-ten number to a numeral in the indicated base. 15 to base two
Math
A is the set of all even natural numbers, and B is the set of all odd natural numbers. Describe a universal set for A and B. Also, with respect to this universal set, give a relationship between A and B.
Math
Use the distributive property of multiplication over addition to rewrite the sum as a product of two factors, where one of the factors is a sum. 20^a^2 - 16a - 8
math 116
find an equivalent equation with the given denominator 7/b= ?/b squared the expression that is equivalent to 7/b is ? if b is squared wouldn't the 7 also have to be squared to be equivalent? 7/b = 49/b squared? Am I correct? Thanks
math
Determine solutions for: tanxcos^2x - tanx = 0 in the interval[-2pi, 2pi]
Math 156
ok firt when you have [] does it mean multiply because for this problem [7-(-8]|-6| [15]|-6| 15*6 90 is that right?
Math 116
determine whether (2,-4) is a solution of 9x-5y=-2
math
Find the amount of money in an account after 12 years if $1000 is deposited at 5 percent annual interest compounded quarterly
math 116
what are the slope and the y-intercept of: f(x)=-4x-8 ? is the slope 4 and y intercept -8?
math
The tides at Cape Capstan, New Brunswick, cause the depth of the water in the harbour to change. The tidal chart indicates that the tides have a high point of approximately 10 m at 2.00 pm and a low point of 1.2 m at 8.15 pm. A sailboat has a draft of 2m. The water needs to be...
math 116
are 2x+5y=10 and 5x+2y=8 parallel? I want to say yes but am not sure.
dynamath
GAME TIME the atlanta hops have taken the lead!but dont rule out the new york necks yet. so far, the teams have played 2 full 12- minute quarters,plus 7 minutes of the thrid quarter.(the game has 4 equal quaters)how much time is left for the necks to catch up. TRUNK AND TAILS ...
Math 156
Write two different equations that can be used to solve this problem: a low of -4 degrees is predicted for tomorrow. If the tempeture is now 8 degrees by how much must it change?
Math 156
The Chinese used red and black calculating rods as early as 300 B.C. How many years ago was that?
Math 156
The yearly high tempteture in a certain location is 75 degrees. The yearly low was -9 degrees. Write an integer difference that indicates the range in tempeture and find the difference. Would it be 84 degrees?
Math 156
Jackie bought a stock for $34 a share. the daily changes for the next 7 days after she bought the stock were -5, -2, +1, +3, -6, +4 and +8. What was the share of stock worth at the end of day 7?
Math 156
how do you solve this |-3-|-7-7|
math
A consultant charges $45 for each hour she works on a consultation, plus a flat $30 consulting fee. How many hours of work are included in a $210 bill for a consultation? is it 2 4/5
Math 156
how do you solve this: -|-5-(-4)|
math
⏐7 − 3⏐ − ⏐3 − 7⏐ = ? is it 0
math
Lead Contamination More than a decade ago high levels of lead in the blood put 88% of children at risk. A concerted effort was made to remove lead from the environment. In a random sample of 200 children taken more than a decade ago, what is the probability that 50 or more had...
math
How would I work this problem -6x>1/3 6*13=78 x<-1/78
math
How would I work this problem -6x>1/3
math
How would I work this problem -6x>1/3
Math Integration
i keep getting stuck and i think im missing something integrate by parts e^(bx) cos x dx thanks
math
Babe Ruth's lifetime betting averge was .343. In three times at bat, what is the prbability of the following? a. he gets three hits b. he gets no hits c. he gets at least one hit. d. he gets exactly one hit
Math
The representative tells you that floor plan #1 sells for $225,000 and floor plan #2 sells for $300,000. She also mentions that all the available houses combined are worth $10,350,000. Write an equation that illustrates this situation. Explain. Use the same variables you used ...
Math
a) The sales representative informs you that there are two floor plans still available, and that there are a total of 72 houses available. Use x to represent floor plan #1 and y to represent floor plan #2. Write an equation that illustrates the situation. Explain
math
solve for y? z=0.3(y-6)^2 please can you explain your working, Many thanks, Wendy. * Algebra - drwls, Friday, November 20, 2009 at 9:40am (10/3)z = (y-6)^2 y = sqrt[(10/3)z] +6 = 1.826 sqrt z + 6 * Algebra - wendy, Friday, November 20, 2009 at 9:47am I'm sorry. Really don&...
Math
a) The sales representative informs you that there are two floor plans still available, and that there are a total of 72 houses available. Use x to represent floor plan #1 and y to represent floor plan #2. Write an equation that illustrates the situation. Explain
Math
The perimeter of a rectangle is 220 inches. The length exceeds the width by 78 inches. Find the lenght and the width.
Math
Hi. Im trying to figure out how to solve an equation for x. The equation is y=2(x-3)^2. If I were to work this out, I would have come up with the answer x=sqrt y/2 +3 but the answer is actually x=sqrt 2y/2 +3. I can't work out where the extra 2 has come from.
Math
There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3 - 116 x^2 - 417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the coordinates of the point...
Maths
There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3 - 116 x^2 - 417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the coordinates of the point...
math
Need help with these problems please. I do not know how to break them down correctly. Thank you. 4x7+6-10 divided by 5 7-16x3 divided by 8+5 25 divided by 5x5+6-4
Math
How do you show the work for this problems? (7x9)-3x6+7 8-18x2 divided by 9+5 4 divided by 2x2+7-4
Math
Can anyone tell me where i can get IGCSE Extended math past papers?
Mathematics for Liberal Arts
You are on a TV show. You have been asked to either play a dice game five times or accept a $50 bill. The dice game works like this: If you roll a 1, 2 or 3, you win $46. If you roll a 4 or 5, you lose $22. If you roll a 6, you lose $85. Should you play the game? Use expected ...
math
The area of a triangle with base b and height h is given by the formula A = ½ bh. Find the area of a triangle when the base is 9.0 cm and the height is 6.2 cm
math
my teacher asked... draw a diagram and show 2.6 divided by .4
math
whats the rule about number order in multiplication
math
Solve the problem. Give your answer to the nearest thousandth if necessary. A long-distance runner runs 3 miles south and then 7 miles east. How far is the runner from the starting point?
math
a regular octahedron is a polyhedron with 9 faces true or false
math
which basic geometric is suggested by the path made by the tip of the second hand on a running clock: a ray a circle a polygon or an agle
Math/Geometry Vocab
What is the definition for INTERSECTING LINES?
math
the question asks to integrate cos(t)/(5sin(t)+8)^2 the answer i got was xcos(t)/(5sin(t)+8)^2 i think the x is wrong but i am not sure what i am doing wrong...help please.
math
Multiply or divide to find an equivalent fraction: 11/22
Math 116 Algerba
The area A of a triangle with base b and height h is given by A= 1/2 bh. Find the area when b= 29m (meters) and h = 20m. The area is ?
math
write an equation that satisifies the given conditions: perpendicular to y=-3x+7 through (3,5)
Math
The perimeter is 100. The length is 5x +10 and the widthis 10x-1. What is the lenth and width
math
Multiply to find an equivalent fraction: 3/10
Math
How tall is a cylinder that has a volume o 2,123 cubic meters and a radius of 13 meters?
math
Marcus and Allen are playing Rock/Paper/Scissors. The first one to win 10 times does not have to do the dishes. The score is now 9 to 7 in favor of Marcus. If ties are ignored and not counted, what is the probabilty Marcus will not have to do the dishes?
math
Go to the web site for this text to find the total profit made by McDonald’s in 2002
Math
When solving exponential equations using logarithms. How would you sold one that has a fraction as the exponent such as: x^(1/4)-81=0
math
when making a circle graph how do you determine the number of degrees for 28%?
Math
How do I figure: 9/15 = 12/?
math
the total number of horses and people at a riding academy one sunday was 39.The total number of legs at the academy that day was 124.How many people were at the riding academy that sunday?
Math
g of x=2x^2+x-10 Factor
math/algebra
I have been asked to answer questions in parts in relation to a story problem, but I am having difficulty finding the right formulas. Did I do this right...If not, please help me and tell me where I went wrong. Part B The landscaper that maintains Mrs. Jones’ lawn charges...
math
(3x8)+3=__x(5=4)
Mathe/algebra...Please
I am really lost I cannot figure out which formula to use for this problem... Question:The landscaper that maintains Mrs. Jones’ lawn charges a flat fee of $30.00 for each job plus $10.00 per hour for labor. a. Translate the problem situation into an algebraic equation us...
math
9-(5-4)=(3+0)+___
math
3/5 divided by 6/7
Math
There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3 - 116 x^2 - 417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the coordinates of the point...
Math
DID I do this right? A homeowner wanted to improve the value of his home by putting tile flooring in three of his rooms. He researched the different types of tile and decided on two types: ceramic tile and decorative tile. He found that he could purchase the ceramic tile for $...
math
integral x/(x+5)^1/2 (u-5)/u^1/2 du giving u^1/2 du -5u^-1/2 du and integral will be now 2/3 u^3/2 -10u^1/2 +c =2/3(x+5)^3/2 -10(x+5)^1/2 +c =2/3(x+5)^1/2{(x+5) -30} +c =2/3(x+5)^1/2{(x -25} +c have i done something wrong??
math
integral from 5 to 0 1/(4+x^2)^1/2 this is what i have so far 1/(sq.root(4+x^2)) as (1/2) (1+y)^-(1/2) with y=(x/2)^2 The binomial series of (1+y)^a = sum_k (a,k) y^k where (a,k) is the binomial symbol. In this case a=-1/2. for some reason when i plug in the values i get the w...
math
6.00+6.00(1+x)/(.10-x)=145.20 solve for x.
Math
I need to know if I did this right. Below is story problem. It has questions labeled a-f. Under each lettered question, I provided an answer, but I am not confident with my outcome. Can you read it over and tell me if I did it right? If not can you steer me in the right direct...
Maths
There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3 - 116 x^2 - 417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the coordinates of the point...
math
I need to know if I did this right. Below is story problem. It has questions labeled a-f. Under each lettered question, I provided an answer, but I am not confident with my outcome. Can you read it over and tell me if I did it right? If not can you steer me in the right direct...
Math
The perimeter of an equlateral triangle is 45 inches. A rectangle whose width is 1/3 its length has a perimeter of 48 inches. Which figure has the longest side? Explain.
math
as tsunamis travel from the deep ocean to more shallow water, they slow down. at a dept of 1,000 meters they travel at 356 kilometers per hour. this is 400 kilometers per hour slower than their speed in deeper ocean water. how fast do tsunamis travel in deep water?
Math
The function((x^2 + 7x + 14)^(1/2)) - x has one horizontal asymptote at y=?
Math
How long will it take to earn $252 in interest if $1200 is invested at a 7% annual interest rate??
Math 156
how do you solve this -absolute value -5 -(4)absolute value?
Physics
e) Adjust the amplitude control of the function generator until the signal has a 6V peak-to-peak swing. The resultant form will have the following mathematical equation: v = Vm sin2(pi)ft = 3sing2(pi)500t f) The sinusoidal signal 3sin2(pi)500t has an effective value determined...
math
If a polyhedron has 13 vertices and 21 faces, how many edges does it have? I just need to know if I am doing this right. v+f=e+2 13+21=34+2=36 edges.
maths
plot the points on the grid. join them with a ruler, label your line y=x-2
math
An arithmetic series has third term 11. The ninth term is 5 times the second term. Find the common difference.
math
What is the probability of rolling a number such that when it is added to 5 it gives a sum less than 11?
math
56/7=?
math
56/7=?
math
find the standard deviation for the given data. Round your answer to one more decimal place than original data. (9,7,13,24,32,45,47) I get 16.62041 but how do I round my answer to one or more decimal places? I am a little lost.
math
Three coins are tossed. Find the probability that no more than one coin lands heads up.
math
A tie pin which sells for $200.00 has a markup rate of 30% on the selling price. Find the amount of the markup and the cost.
maths
im trying to rearrange the following equation for x but getting confused because of the brackets and squares. I understand the process of changing the subject but on more simple equations. Please can you help me. Here's the equation y = 3(x+5)^2
math
A coat was reduced from $250 to $200. Find the percent of the reduction in price. 1.25 0.8 20 25
math
A box contains five blue, eight green, and three yellow marbles. If a marble is selected at random, what is the probability that it is yellow? 1 3/16 3/8 1/3
math
In a shop there are 20 customers, 18 of whom will make a purchase. If three customers are selected, one at a time, at random, what is the probability that all will make a purchase? 0.7717 0.7157 0.8524 0.8808
math
A theater group made appearances in two states. The hotel charges before tax in the second state were $1000 lower than in the first. The tax on the hotel bill was 4% in the first state and 9% in the second. After the trip, the total tax paid on accommodation expenses was $560 ...
college math
a pair of dice are rolled and the sum is recorded. What is the probability that the sum shown is 8 given that one die is showing 5? Is this done correctly? P(8|5)=1/6 x 1/6= 1/36 I really just want to make sure I have done this the right way!
college math
Can someone just tell me the formula to use for this problem? Jack is taking a four item true/false test. He decides to flip a coin to answer. What is the probablility he gets a perfect score? What is the probablility on a 10 question test?
math
Could someone please tell me if I am on track with my answer? Jack is taking a four-item true-false test. He has no knowledge about the subject of the test and decides to flip a coin to answer the items. What is the probability that he receives a perfect score? What is the pro...
math
How many triangles are formed in a regular polygon with 13 sides?
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