Math

Recent Questions

math
Find the partial sum. 100 Σ 2n n = 1

math
A hardware store makes a profit of $41,000 during its first year. The store owner sets a goal of increasing profits by $9000 each year for 4 years. Assuming that this goal is met, find the total profit during the first 5 years of business.

math
15 times 12 easy but hard...?

math
how do i estimate population size?

Math
If in index notation there are variables and numbers and question says to simplify and give answer as positive index then Is 1/3^2a^2 is it correct after simplifying all negative indices Or should we make it as 1/9a^2 Can we leave as 3^2? Or both Answers acceptable? I know ...

Math connexus Help
7. Yvonne put $4,000 in a savings account. At the end of 3 years, the account had earned $960 in simple interest a. How much does she have in her account at the end of 3 years? b. At what annual simple interest rate did the account grow? Show your work. c. How many more ...

Math
The price of a home is $320,000. The bank requires an 8% down payment and three points at the time of closing. The cost of the home is financed with a 30-year fixed rate at 6%. Find the amount that must be paid for the three points at closing & Find the monthly payment.

Math
In an effort to retire comfortably, you decide to deposit $750 at the end of every month into an annuity that pays 5% compounded monthly. How much will you have saved in 40 years when you are ready to retire? Round to the nearest cent.

Math. Help if you can :D
There are 14 blue marbles, 8 red marbles, and 12 green marbles in a jar. What is the ratio of the total number of marbles to number of red marbles. 1: 24:8 2: 34:8**** 3: 8:34 4:8:24

Math
A passbook savings account has a rate of 8%. Find the effective annual yield if the interest is compounded quarterly.

Math
Kim and Mario wish to have $30,000 available for a kitchen remodel in 3 years. How much money should they set aside now at 7% compounded monthly in order to reach their financial goal? Round your answer UP to the nearest cent.

Math
The lengths of two sides of a rectangle are consecutive even integers. The perimeter of the rectangle is 196cm. Find the area. -please help, I don’t know where to start or how to approach this problem.

MATH
Ok i need every answer to the 6th grade math 6b unit 5 lesson 11 test Equations, and Inequalities please

math
Write an equation in the form y = mx + b for the line which passes through (1, -10) and (-7, -2).

math
simplify (7)/(2a)*5/(a^2) a. 35/(2a^2); where a ≠ 0 b. 35/(2a^2) i know the answer is one of these two and not c or d, but im not sure if its a or b

math
The length of a spring is a linear function of the mass of the object hanging from it. For a particular spring, the length was 12 centimeters when a 2-kg mass was attached to it. When a 5-kg mass was hung from it, it stretched to a length of 18 cm. How much mass must be hung ...

math
divide. (12t^6 - 8t^8) ÷ (2t^3) a. 6t^3 - 8t^8 b. 12t^6 - 4t^5 c. 6t^2 - 8t^4 d. 6t^3 - 4t^5

math
Write an equation in the form y = mx + b for the line which passes through (6, 5) and (-8, -23).

math
Write an equation in the form y = mx + b for the line which passes through (6, 5) and (-8, -23).

Math
Look at the given triangles. Large triangle left side says 4x+2 top says 7x+7 bottom days 5x-4. Small triangle left side says x+3 top says 2x-5 and bottom says X+7. a. Write an expression in simplest form for the perimeter of each triangle. b. Write another expression in ...

Math
An Ice cream shop offers the following toppings: chocolate chips strawberry sprinkles caramel hot fudge whipped cream gummy bears If a sundae must have exactly four topping how many different sundaes can you make? 15 24 This one 12 18 Eric has two identical number cubes the ...

Math
The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6) (6,1)|(6,2)|(6,3)|(6,5)|(6...

math
Find the sum of the first 15 terms of the geometric sequence. ∞ Σ 3n − 1 n = 1

math
Find the sum. (Round your answer to two decimal places.) 5 Σ 200(1.09)^n n = 0

math
Find the sum of the infinite geometric series, if possible. 12 + 10 + 25/3 + 125/18 + ...

math
An isopentagon is a pentagon with the following properties: The internal angle at one vertex if 60 degrees. The internal angle at each of the other four vertices if 120 degrees. The length of each side is a whole number of centimetres. The two sides that meet at the 60 degrees...

math
hello, im in 3rd grade and i need help on these 2 questions. 1) What is 3 as a percentage of 10? 2) The nth term rule for a sequence is 2n+3. Write the first 4 terms in this sequence. is question 1 30% thanks if you reply

Math
The flask consist of a cylindrical part and a frustum of a cone. The diameter of the base is 10 cm while that of neck is 2 cm. The vertical height of the flask is 12 cm. (a) the slant height of the frustum part; (b) the slant height of the smaller cone that was cut off to make...

Math
which one of the following gives the distance between the numbers 11 and -8? -19, -3, 19, 3 How do you figure out these problems??

Math - LImts
How do we evaluate limit of, lim x-> 0 [ln(x+1)/( (2^x) - 1)] I tried using the substitution x+1 = e^k , when x tends to 0 so does k, which gave out, lim k->0 [ k/((2^((e^k) - 1)) -1 ) ] which I simplified into( for the ease of use let e^k =a) lim k->0 [k/( ((2^a)/2...

Math
Jennifer writes the letters M-O-N-T-A-N-A on cards and then places the cards in a hat. What is the probability of picking an M? a. 1/6 b. 1/7**** c. 6/1 d. 7/1

Math
The curve y=x^3-3x^2-8x+4 has tangent L at point P (-1,8). Given that the Line M is parallel to L and is also a tangent to Q show that the shortest distance between L and M is 16 root 2 Sorry This is the correct question

Math
The curve y=x^3-3x^2-8x+4 has tangent L at point P (1,-8). Given that the Line M is parallel to L and is also a tangent to Q show that the shortest distance between L and M is 16 root 2 Thanks

Math
Sulfuric acid is diluted in water to make new mixtures. In one container, 72 ml of a 14% acid solution and, in another container, 64 ml of a 31$ acid solution. The contents of the containers are mixed together? What's the percentage strength of the acid in the mixture?

math
Guys please i need your help i am not getting the answer over the following questions. 1) Maria banked sh. 95,000 in her bank account. If the bank gives a simple interest of 17% per year, how much will she get after 3 years? 2) If Mollel got sh. 230,000 after investing some ...

Science
solve the system of equations algebraically. show all your steps. y=x^2+2x y=3x+20 Can someone show me step by step on how to get the answer it's, there are answers like this that is going to be on my math test and I don'tget it.

Math pre-Algebra please help
1 Jamal writes the letters K-A-N-S-A-S on cards and then places the cards in a hat. What is the probability an N? 1/3 1/5 5/1**** 6/1 2 Jennifer writes the letters M-O-N-T-A-N-A on a cards and then places the cards in a hat. what is probability of picking an N? 2/7 3/7 1/3 2/3...

math
How do I find the volume of an oblique cone?

math-matrices
You are given the 2x2 matrix M= (k 3) , where k is not 2. (0 2) i)Find the eigenvalues of M, and the corresponding eigenvectos. ii)Express M in the form UDU^(-1), where D is a diagonal matrix. iii)Hence find the matrix M^n.

Math
1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to choose your own. 2. Design a fair race in which the two animals have an equal chance of winning if they race at their top speed. Here are a few ...

math
23 of all your books are fiction. 16 of those are historical fiction. What fraction of all your books are historical fiction? Options: 1/9, 1/18, 1/3, 1/2

math
Find the sequence of the first five partial sums S1, S2, S3, S4, and S5 of the geometric sequence by adding terms. 9, 12, 16, 64/3, 256/9,... S1 = S2 = S3 = S4 = S5 =

math
Find the indicated term of the geometric sequence. a1 = 7, a4 = 189/8 , 8th term

math
The marker costs 13 as much as the pen. The pen costs 13 as much as the book. The book costs 13 as much as the game. The price of the marker is what fraction of the price of the game?

Algebra 1
Please help me with this math problem: divide (20x^2-12x+8)/(2x+8) these are the choices: A. 10x-34+ 280/2x-8 B. 10x+34+ 280/2x-8 C. 10x+46+ 376/2x-8 D. 10x-46+ 376/2x+8 Thanks so much.

Math
You can use triangle congruence theorems to prove relationships among tangents and secants. Task 1 Four tangents are drawn from E to two concentric circles. A, B, C, and D are the points of tangency. Name as many pairs of congruent triangles as possible and tell how you can ...

math
if i had to make 24 oatmeal cookies with 2/3 cup of butter, how much butter would i need to make36 oatmeal cookies

6th Grade Math
Suppose you are driving to visit a friend in another state. You are driving 60 miles per hour. You must drive 480 miles total. If you have already driven 120 miles, how long will it take you to reach your destination? Use H to represent the number of hours it will take to ...

Math
A logarithmic function of the form f(x)= log_b x+c has an x-intercept at x= 1 and a vertical asymptote at y= 0. Also, f(x) intersects with the line y= 1 when x= 8. What is f(x)? Is it log_8 x+1?

Math
Solve for unknown quantity in each proportion K/3 = 3/9 A 1 B 3 C 9 D 27

Math
If 2y to the power of 10 =25,find -y to the power of 10

Math
You start a search for a buried object by marking the center of the field as (0,0), with coordinates giving distances in yards. Coordinates to the north or east are positive, and the coordinates to the south or west are negative. You find nothing at (-10,6), so you try a ...

Math
Use integer values of x from -3 to graph the equation. y = -|x| 1. pic with 2 lines forming a v coming down from the top and ending at the origin. Very wide line. 2. pic with that image just upside down 3. pic with 3. but a thinner line range 4. Pretty much 1 with a thinner ...

Math
Solve the equation. X/4+1=-5

Math
Pete is folding paper for different projects. He has two triangular pieces of paper that he wants to create the same project with, but they have to be similar figures for it to work. Will Pete be able to create the same project with both pieces of paper? does anyone have the ...

Math
If vector u = 20 m due North and vector v =10 m  at 30 degrees East of North, find u + v and u − v.

Math
Carson is visiting the zoo on a field trip! While at the zoo, he sees a 10 foot tall adult elephant standing next to a 15 foot tall statue that is casting a 18 foot shadow. Carson wants to know the length of the elephant’s shadow. if you have the answer please tell me ...

Math. Help if you can :D
There are 14 blue marbles 8 red marbles and 12 green marbles in a jar. What is the ratio of the total number of marbles to the number of red marbles? 1: 24:8**** 2: 34:8 3: 8:34 4: 8:24 Can someone check my answers?

Math
I need to justify how a base in a logarithmic function graph is a base. Here are the choices: The graph of f(x)= log_3 x+c must intersect with the line y= c+1 when x= 3. The graph of f(x)= log_3 x+c must intersect with the line y= c when x= 3. The graph of f(x)= log_3 x+c must...

Math
You own a thriving restaurant but want to change careers. Your brother offers to buy the business with the following monthly payments: $2,750 at the end of each month for 4 years, followed by $3,000 at the end of each month for 3 years. Assuming that you can earn 9% compounded...

Math
Rob Morrisey purchased a $1,000 bond that was quoted at 102.25 and paying 8 7/8% interest. How much did Rob pay for the bond? How much annual interest will be received?

Math
Tri-Star Airlines intends to pay off a $20,000,000 bond issue that comes due in 4 years. How much must the company set aside now, at 6 % interest compounded quarterly, to accumulate the required amount of money?

Math pre-Algebra
Jamal writes the letters K-A-N-S-A-S on cards and then places the cards in a hat. What is the probability an N? 1/3 1/5 5/1*** 6/1 Jennifer writes the letters M-O-N-T-A-N-A on a cards and then places the cards in a hat. what is probability of picking an N? 2/7 3/7 1/3 2/3*** ...

math
Find the partial sum without using a graphing utility. 100 2n n = 1

Math
Reposting see if someone else comes up with a different answer. Amy wants to travel from Elm town to Lakeside at an average speed of 50 miles per hour. She travels half the distance and discovers that her average speed has only been 25 miles per hour. How fast must she drive ...

Math
If start time is 7:41pm and end time is 8:50pm. What is the elasped time

Math
23. Suppose the number of expert gamers in California is 52,400 and is growing 20% each year. Predict the number of experts after 5 years. 24. The population of bacteria in your messy room is 36,725 and is growing at a rate of 11% each month. What would the population be after...

Math
Natalia Sandino was given 750 shares of stock in the fitness center where she is employed as a salary bonus. The shares were valued at $8.05 when they were placed in her stock portfolio. The shares paid quarterly dividends of $.60 per share. After 7 years, Natalia sold the ...

Math
Eight oranges cost gh¢15.00. how much will twenty oranges cost?

Math
Jason and Coretta Bradley got a $206,000, 20-year mortgage loan at 5.35%. Find the amount of the final payment on this mortgage.

Math
Sarah is standing next to the flag pole waiting for her friends. The flagpole is 42.9 feet tall and casting a shadow of 253.1 feet long. There a sign by the flagpole challenging visitors to find the length of their shadows. Sarah is 5.4 feet tall. What is the length of Sarah...

Math!
Can someone please help me on math Lesson 11 graphing equations and inequalities unit test? I’m really stuck!

math
A ball and a box weigh 900 grams. Two identical balls and the same box weigh 1.35kg. What is the mass of the box? How do I work this out?

Math
A bag contains only red and blue marbles. Yasmine takes one marble at random from the bag. The probability that she takes a red marble is 1 in 5. Yasmine returns the marble to the bag and adds five more red marbles to the bag. The probability that she takes one red marble at ...

Math
Whoever goes to Connections Academy, I need help on Unit 6 Lesson 9 Using Probability unit test. I don't know what happened to me, but I can't do it. It's too hard for me. I don't care if I get banned because this is my first and LAST time I'm using this website. Plus, when ...

Math
In triangle ABC, the measure of ∠B is 90°, BC=16, and AC=20. Triangle DEF is similar to triangle ABC, where vertices D, E, and F correspond to vertices A, B, and C, respectively, and each side of triangle DEF is 1/3 the length of the corresponding side of triangle ABC. What...

math
cFind the slope of the line passing through the points −3, -8 and 4,6 .

Math Measurement Unit 6 Lesson 15 test 7 B
Hi I am trying very hard to get a good grade so can someone give me the right Measurement 7B answers to the test. Thank you so very much!

Math 6th Grade
I'm doing this math test and I have a border line A on my grade I need to make sure I don't lower my grade to a B, so any help is appreciated. Thanks! 7. The probability of winning a game is 25%. How many times should you expect to win if you play 20 times? A. 7 times B. 10 ...

Math
You are visiting a friend in Coshocton and need to get to Cedar Point in Sandusky. These two cities are 106 miles apart. Using the scale of 3 cm = 50 miles, how many centimeters apart are the two cities? Make sure you label your answer. Round your answer to the nearest ...

Math
You are visiting a friend in Coshocton and need to get to Cedar Point in Sandusky. These two cities are 106 miles apart. Using the scale of 3 cm = 50 miles, how many centimeters apart are the two cities? Make sure you label your answer. Round your answer to the nearest ...

Math
A trip from Ohio to new york is 529 miles. what equations show the times t it takes by car if r is the average speed during the trip? t=529/r*** t=529r r=529t t=r/529

Math
A car traveled 281 miles in 4 hours 41 minutes.What was the average speed of the car in miles per hour?

Math
644 students packed a auditorium students sat in rows of 12 rows were divided into 8 sections how many rows were in each section

Math
The volume of a rectangular solid is 180 cubic centimeters. The length is 10 centimeters and the width is 4 centimeters. Using the formulas V=lwh, what is the solid in centimeters?

Math
You took out a loan of $5,000 on May 2 and went back on June 15 to make a payment of $1,200. The loan was at 4% for 1 year. What was your remaining balance after making that payment? Assume an exact year.

Math
How many rectangles can you make with a perimeter of 32...

math
A sand volleyball court has an area of 144 square meters. Its perimeter is 50 meters. What are the dimensions of the volleyball court?

MATH
A collar of Styrofoam is made to insulate a pipe. Find its volume . The large R is to the outer rim. The small radius r is to the edge of the insulation. Use 3.14 for pi. r = 5 in. R = 6 in. h = 19 in. Round to two decimal places. It says to subtract volume of the inner ...

math
Linda had started with 1 yard of fabric and used 5/8, how much fabric would be left

Math
What are the coefficients in the polynomial 4x^2+3x-3? I'm not posting this to get the exact answer, I just need help on finding the coefficients. I'm not real good with polynomials, and I've been struggling a little. I just need explaining on how to find the coefficients of ...

Math
Cameron designates 10% of his monthly earnings as charitable contributions. After deducting this amount, he deposits 5% of the remaining amount into a money market account earning 2%. If Cameron’s monthly earnings are $4,800 what amount interest will he earn on his deposit ...

math
How much gratuity (tip) should you leave for the waiter (the tip is based on the bill before tax is added)?

math
The towns of Franklin and Chester each decided in the same year to begin posting their populations on signs by the main entrances into the towns. Each year, they update the signs. Franklin had a population of 20,000 people in the first year that they posted the sign, and each ...

Math
There are 10 egg sandwiches, 6 chicken sandwiches and 4 tuna sandwiches on a tray . A sandwich is randomly chosen. Find the probability an egg sandwich is chosen .

math
From a barrel of colored marbles, you randomly select 4 blue, 5 yellow, 6 red, 2 green, and 5 purple. Find the experimental probability of randomly selecting a marble that is NOT blue. 6/13 1/2 9/11 3/8 Some one please help me just someone explain it to me or give me a link ...

Math
Alex needed proceeds of $12,345. How much does he need to take out at 6% interest for 120 days to receive proceeds of $12,345?

Math
Suppose a tree on your land has a radius of 3 inches and increases in radius one-fourth inch a year. How many years, y, to the nearest tenth will it take for the volume of the tree to double? In other words, for what value of y would the following be true? [(1/3)πk(3 + ¼ y)^...

Math
Dear Ms. sue i am very sorry for posting that question and promis to never to that again i just wanted to get the work done and was lazy at the moment

math
Multiply, write result in scientific notation. 15.(1.4x10^1)(8 x 10^4)

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