Monday

February 8, 2016
**math**

What rate of interest to produce 22,500 as interest from an invesment of 8,50,000 in three years
*Monday, January 4, 2016 by sola*

**math**

Evaluate tan (inverse cosine of 2/3). a. square root of 5 divided by 2 b. square root of 5 divided by 3 c. square root of 5 divided by 5 I have a feeling that the answer would be a but what i am confused about is how do we figure out what the value is for inverse cosine of 2/3.
*Monday, January 4, 2016 by David *

**Math**

Jamie trains on his surfs every weekend. He paddles upstream for 3 1/2 hours, and then returns downstream to the point where he started in 2 hours and 6 minutes. If the river flows at 3 km/h find: a) his paddling speed in still water
*Monday, January 4, 2016 by Anonymous*

**Math**

Interest of $22.05 was earned in 3 months on a balance of $1960.00. What is the interest rate per annum earned on that account?
*Monday, January 4, 2016 by Anonymous*

**math**

The sides of a square field are 12 meters. A sprinkler in the center of the field sprays a circular area with a diameter that corresponds to a side of the field. How much of the field is not reached by the sprinkler? Round your answer to the nearest hundredth. THANK YOU!
*Monday, January 4, 2016 by Tim*

**Math**

Calculate the interest earned on a savings account with 820 that is invested at 4% annual simple interest for 3 years 29.10 32.80 98.40 131.20
*Sunday, January 3, 2016 by asdflk;jasdfla;kjsdfl;*

**Math**

what is the sale price for a pair of shoes that was origainally 52.00 and now is 25% off 27 39 45 42
*Sunday, January 3, 2016 by asdflk;jasdfla;kjsdfl;*

**Math**

Find the image vertices for a dilation with center (0 0) and a scale factor of 4? I have the link to the pic but you have to put connexus.c.o.m infront of it
*Sunday, January 3, 2016 by cassie*

**math**

A kayaker travels x miles per hour downstream for 2 hours. On the 4-hour return trip, the kayaker travels 4 mile per hour slower. How far did the kayaker travel in total?
*Sunday, January 3, 2016 by trish*

**math**

Find the equation of a circle with radius 4 units ,whose center lies on the line 13x+4y=32 and which touch the line 3x+4y+28= 0.
*Sunday, January 3, 2016 by kishor*

**Math**

Write an equation for the tangent to the curve y=sinmx at the origin. I got y=mx, is this correct? Please help by showing work! Thanks
*Sunday, January 3, 2016 by Beth*

**Math**

For each of the functions below, state the domain and range, the restrictions, the intervals of increasing and decreasing, the roots, y-intercepts, and vertices. a) f(x)=2x(^2)−8 b) f(x)=+√x-2
*Sunday, January 3, 2016 by Chris*

**Math**

Buses to the stadium live Central Station every 10 minutes buses to the zoo leave Central Station every 16 minutes both buses leave Central Station at 4 p.m. what will be the next time both buses will leave Central Station at the same time
*Sunday, January 3, 2016 by Anonymous*

**math**

I instruct my stockbroker to buy 1000 shares at $1.82 each. I told him to sell at a price that guaranteed me 15% profit, or alternatively at a price tat limited my loss to 5%. At what prices should he sell the shares?
*Sunday, January 3, 2016 by Anonymous*

**Math**

Identify the sequence... 3,888, 216, 12, 2/3... a. arithmetic b. geometric c. neither d. both I got d, both. Because, you can divide 18 and 1/18. Is that right? Thanks anyone who answers. I'd very much appreciate that. :-]
*Sunday, January 3, 2016 by Cici*

**Math**

Given line AB, explain how to contruct a square with sides of length AB.
*Sunday, January 3, 2016 by cassie*

**Math**

Which choice has a digit in the ten thousands place that is exactly twice the value of digit in the thousands place?
*Sunday, January 3, 2016 by Malayshia ingram*

**Math**

Two ships leave port at 4 p.m. One is headed N38°E and is travelling at 11.5 km/h. The other is travelling at 13 km/h, with heading S47°E. How far apart are the two ships at 6 p.m.? i am in grade 11 :), studying ahead of the class :) its 8 pm here, this question is ...
*Sunday, January 3, 2016 by Karen*

**This math question is confusing.**

A set of hemispherical bowls are made so they can be nested for easy storage. The largest bowl has a radius of 30 cm and each successive bowl has a radius 90% of the preceding one. What is the radius of the tenth bowl? there is a picture, sorry i cant put the picture but can ...
*Sunday, January 3, 2016 by Emily*

**Math**

Given RS || TU, m∠7 = (3x - 10), and m∠3 = (2x + 5) what is m∠1 I don´t know how to solve this. There´s a pic but i can´t post it.
*Sunday, January 3, 2016 by cassie*

**Math**

A skater races around a 500 the meter circular track a total of ten times. He crosses the start /finish line seven minutes after the start. Summarize the motion of the skater in terms of position, direction, and speed at the beginning, during, and the end of the race.
*Sunday, January 3, 2016 by Victora*

**Math**

Jana is taking pledges for a bike-a-thon fundraiser. Ivan pledged $4.25,plus $1.25 for each mile that Jana bikes. Vicky pledged $5.75,plus &0.75 for each mile that Jana bikes. (Part A)- write expression for the number of dollars Ivan pledged and the number of dollars Vicky ...
*Sunday, January 3, 2016 by Lola*

**9th grade math i need help anything helps**

1. For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation. x y 10 15 16 24 20 30 (1 point) yes; y = 1.5x yes; y = 2x yes; y = x + 5 y does not vary directly with x
*Sunday, January 3, 2016 by freddy*

**math**

gillian earns 7.50 an hour babysitting on the weekends .last week she babysat for 2.2 hours on statuday and 3.5 on sunday.how much did she earn
*Sunday, January 3, 2016 by bon*

**Math**

During last week's visit to this same pear tree, Pete ate 3 times as many pears as Tweet, and Tweet ate 5 fewer pears than Honk. If together the boys ate 25 pears, how many pears did Honk eat during last week's visit?
*Sunday, January 3, 2016 by Anonymous*

**Math**

County fair tickets can be ordered in advance. There is a one time processing fee of $10 per order. Individual tickets cost $3 a piece for rides and food. Write an algebraic expression to represent the total cost for a visit to the fair.
*Sunday, January 3, 2016 by Devin*

**math**

Convert 8km to 22 minutes.. how?
*Sunday, January 3, 2016 by T*

**math**

A certain plant grows 1 2/5 inches every week. How long will it take the plant to grow 4 4/5 inches?
*Sunday, January 3, 2016 by jacquie*

**Math**

Solve the system using substitution: x = y - 6 y = 6 - 3x Answer choices: (0,6) (6,0) (0,-6) (-6,0) (
*Sunday, January 3, 2016 by David*

**math**

What is the sum of all values of x that satisfy the equation (x2 -5x+5)^(x2 +4x-60) =1? Hint: There are three cases to consider I think I figured out 2 of the cases. The first one being x2 +4x-60=0 while x2 -5x+5=whatever. The second is x2 -5x+5=1 and x2 +4x-60=whatever. But I...
*Sunday, January 3, 2016 by Roy*

**Math**

Lila graphed the points -2 and 2 on a number line. What does the distance between these two points represent?
*Sunday, January 3, 2016 by Matt*

**Math**

What is the smallest of 3 consecutive positive integers if the product of the smallest and largest is 21 more than 9 times the middle number? x(x+2)=21+9(x+1) I'm not sure if this is a good equation to solve it..?
*Sunday, January 3, 2016 by Claire*

**math**

What is the sum of all values of x that satisfy the equation (x2 -5x+5)x2 +4x-60 =1? Hint: There are three cases to consider I think I figured out 2 of the cases. The first one being x2 +4x-60=0 while x2 -5x+5=whatever. The second is x2 -5x+5=1 and x2 +4x-60=whatever. But I ...
*Sunday, January 3, 2016 by John*

**math**

A new passenger airplane is flying from Vancouver heading overseas to Asia. The wind is blowing from the west at 90 km/h. The airplane is flying at a speed of 950 km/h and must stay on a heading of south 60 degrees west A) What heading should the pilot take to compensate for ...
*Sunday, January 3, 2016 by Nabeal*

**math **

lnx monotonicity
*Sunday, January 3, 2016 by ruth*

**math**

two standard fair 6 sided dice are rolled. What is the probability that their values will differ by exactly two
*Sunday, January 3, 2016 by larry*

**math**

If the 7th term of AP is 21,find the sum of first 13 terms of AP?
*Sunday, January 3, 2016 by kishor*

**Math**

Mrs soko is expecting a baby. Assuming that babies are equally like at any time of the day or night. What is the probability that the baby... a) will be born at the weekend? b) will be born between 8a.m. and 5p.m. on a weekday? c) will be born between 10p.m. and 6
*Sunday, January 3, 2016 by Christopher*

**math**

20 cm by 16cm wide write the following ratio in simplified 1.length to width
*Sunday, January 3, 2016 by fbggfv*

**math**

20 cm by 16cm wide write the following ratio in simplified 1.length to width
*Sunday, January 3, 2016 by gbyhgbyhb*

**Math**

period of a 100 MHz FM radio were is roughly 1 X 10 to the negative 8th s. formulate a problem and solution.
*Sunday, January 3, 2016 by Ivan*

**Math**

Can you help me with my homework??? It takes Evan 6 3/4 hours to mow 3 lawns. It takes him 2 1/3 hours to mow Mr.gals lawn and 1 3/4 hours to mow Ms.lee's lawn. How many hours did it take to mow the third lawn?
*Sunday, January 3, 2016 by Ashley*

**math 7th grade connections **

2. d+g/h for 2=35, g=19, and h=6 answers=9,2.7,7.3, and 8 3.the cost in dollars of a class party is 59+13n, where n is the number of people attending. what is the cost for 44 people. answers=$116,$587,$767,or $631 for people in connections that actually took the test and know ...
*Sunday, January 3, 2016 by mandiluvsbunnys *

**math**

The product of 2 two digit number is 351.What is the two number and what is their sum.
*Saturday, January 2, 2016 by jena*

**Math**

The temperature in the morning was -23.9 degrees farenight. It rose 30.3 degrees by noon and dropped 7.5 degrees by evening. What were the noon and evening tempertures ?
*Saturday, January 2, 2016 by Ángel *

**math- HELP!**

The value of a particular investment follows a pattern of exponential growth. You invested money in a money market account. The value of your investment t years after your initial investment is given by the exponential growth model A=2600e^0.08t How much was initially invested...
*Saturday, January 2, 2016 by Ellie*

**Math Exponetial Function Problem Question?**

Im confused if im doing this right Last week there was an earthquake that measured as a magnitude of 3.2 on the Richter scale. Today you hear on the radio that there was a second earthquake that was 27 times more intense than the first. What was the magnitude of the second ...
*Saturday, January 2, 2016 by Chris*

**Math**

Im wondering for this question if I'm right and going toward the right direction. Last week there was an earthquake that measured as a magnitude of 3.2 on the Richter scale. Today you hear on the radio that there was a second earthquake that was 27 times more intense than ...
*Saturday, January 2, 2016 by Matt*

**Math**

Im trying to find out what the value of this equation is: x^37+ x^31 + x^47+ x^26+ x^63+ x^9 + 6. By using the fact that (x + 1/x) ^2 = 3
*Saturday, January 2, 2016 by Lola*

**Math**

solve for x using logarithms round your answer to four decimal places. a)2^2x+3=80
*Saturday, January 2, 2016 by Chris*

**Math**

Saki had 27 questions he answered 19 correct What is his score
*Saturday, January 2, 2016 by Bernadette*

**Math**

I don't if I'm right for these two questions i just need a check if I'm right,if I'm wrong please show me how to get that answer. Rewrite the following exponential functions as logarithmic functions a)f(x)=9^x ans:f(x) Log^-1(xlog(9)) b)f(x)=(7/8)^x ans:log^-1(...
*Saturday, January 2, 2016 by Chris*

**Math**

What is 50x2? that = 100 am I right?
*Saturday, January 2, 2016 by Level4Gymnastics Girl*

**math**

I am having a project on George Boole (mathematician) and I HAVE to include where he went to school, and as I researched it only said Lincoln, United Kingdom ,but I would like to include the school name. Thank you for your help.
*Saturday, January 2, 2016 by jelena*

**Math**

A team mom ordered 100 pizzas for $1255. Cheese pizzas cost $11.50 each and pepperoni pizzas cost $13.00 each. Identify and define your variables. Write a sistem of equations.
*Saturday, January 2, 2016 by Nerd Girl*

**math**

I am having a project about mathematicians on George Boole, and I NEED to include where he worked. I tried searching, but I could not find it. It would be helpful if you knew or found information. Thank you
*Saturday, January 2, 2016 by jelena*

**Math**

1) in triangle ABC, AD is the angle bisector of < A. If BD = 5, CD = 6 and AB = 8, find AC.
*Saturday, January 2, 2016 by Daniela*

**Math / Fractions**

I have 3 mixed fractions 2 1/4 , 1 1/2 , 3 5/8 Now I already turned them into improper fractions. 9/4 , 3/2 , 29/8 But I'm a little confused on how to get the common denominator.. Is it 8? or do I multiply their factors?
*Saturday, January 2, 2016 by Slave*

**Math**

If f(u)=u+1/(cos^2u) , u=g(x)=pi(x), x=1/4 , find the derivative of f(g(x)). I can't seem to get this one, step by step please?
*Saturday, January 2, 2016 by Beth*

**math**

On any given day, the probability that Megan will be late for work is 0.2.Whether or not she is late to work is independent from day to day. Megan was late to work today. What is the probability that she will NOT be late to work tomorrow?
*Saturday, January 2, 2016 by Gozel*

**Math**

Lim sin(60-x)/2cosx-1 x approaches 60
*Saturday, January 2, 2016 by Dave*

**math**

the length is 139,435ft a runner's step is 3ft does the number of steps the runner takes fit evenly into the length of the race.
*Friday, January 1, 2016 by mike*

**Math Logarithmic Question**

Solve for all possible values of x within the domain of the following logarithmic expressions. a)logx+log2=log7−log3
*Friday, January 1, 2016 by Chris*

**math fractions and decimals**

which is more 0.85 or 7/9
*Friday, January 1, 2016 by megan*

**math**

2x3x5x8x11= with a 2 on top of 2 and a 4 on top of 5 and 2 on top of 11 is this a factorization a prime factorization
*Friday, January 1, 2016 by christopher*

**Math **

Rewrite the following exponential functions as logarithmic functions, and the logarithmic functions as exponential functions: f(x)=(7/8)^x b) f(x)=log12x c) f(x)=log5/9x
*Friday, January 1, 2016 by Matt*

**math**

Two ships leave port at 4 p.m. One is headed N38°E and is travelling at 11.5 km/h. The other is travelling at 13 km/h, with heading S47°E. How far apart are the two ships at 6 p.m.?
*Friday, January 1, 2016 by Karen*

**math- HELP!**

Calculate the linear speed of a bicycle with 26-inch wheels being pedaled at a rate of 200 revolutions per minute. Express your answer in inches per minute rounded to the nearest whole number. (Hint: The diameter of the wheel is 26 inches.) I got: linear speed=r•w r=13 w=...
*Friday, January 1, 2016 by Ellie*

**Math**

Solve the system by graphing. x+y=−2 y=13x+2 A. (6, 4); The image is of a 2-dimensional graph with an x-axis and a y-axis. One line is drawn passing through co-ordinates (-3,1) and (3,3). Another line is drawn from co-ordinate (-2,-4) to (6,4). B. (−3, 1); The ...
*Friday, January 1, 2016 by Mary Alise*

**Math**

Solve the system using elimination. Express as ordered pair. 2x - 7y = 27 3x = 2y = 3
*Friday, January 1, 2016 by Harriett*

**Math**

Hi, I need help on this problem:Solve the system of equation by giving an ordered pair for 14x +3y = 115 7x +3y = 80 Use the 3 Methods in your work. Thank You, I am not sure how to use graphing, substitution, and elimination, please show these methods.
*Friday, January 1, 2016 by Kaashif*

**Math**

How old is Robert,if Marin is 9 years older than him and their ages make 21?
*Friday, January 1, 2016 by Jade*

**Math**

For each function, i) determine the corresponding reciprocal function, y =1/f(x) ii) state the non-permissible values of x and the equation(s) of the vertical asymptote(s) of the reciprocal function iii) determine the x-intercepts and the y-intercept of the reciprocal function...
*Friday, January 1, 2016 by Patricia*

**Math**

Two hoses together fill a pool in 2 h. If only hose A is used, the pool fills in 3 h. How long would it take to fill the pool if only hose B were used?
*Friday, January 1, 2016 by Patricia*

**math lit, lo, life sciences, xitsonga ,agriculture**

im doing this subjects which career I cn follow..?
*Friday, January 1, 2016 by Rosemary ngumede*

**Math**

Solve 2 - 5/x^2 - x - 6 = x + 3/x + 2 . Identify all non-permissible values.
*Friday, January 1, 2016 by Emily*

**Math**

A caterer prepares four times as many pizzas as she usually prepares for a large party. The caterer usually prepares 5 pizzas. The caterer also estimates that each party guest will eat 1/4 of a pizza. Can someone tell me the problenm that this would be?
*Friday, January 1, 2016 by Ash*

**math**

5x+3=7
*Friday, January 1, 2016 by angel*

**math**

If 1 gallon of water weighs 8 1/3 lb. how much does 1 1/5 gallons weigh?
*Friday, January 1, 2016 by Evelyn*

**Math**

Logrithmetic Problem question Last week there was an earthquake that measured as a magnitude of 3.2 on the Richter scale. Today you hear on the radio that there was a second earthquake that was 27 times more intense than the first. What was the magnitude of the second ...
*Friday, January 1, 2016 by Chris*

**math**

what is 6/5 x 25/3
*Friday, January 1, 2016 by Evelyn*

**Math**

Im trying to find out what the value of this equation is: x^37+ x^31 + x^47+ x^26+ x^63+ x^9 + 6. By using the fact that (x + 1/x) ^2 = 3
*Friday, January 1, 2016 by Nerd Girl*

**Math**

Exponetial Functions In the following exponential relations, solve for x using logarithms. Round your answers to 4 decimal places. a) 5^3x=65 b) 2^2x+3=80
*Friday, January 1, 2016 by Chris*

**Math**

The fencing of square garden is 20 m in length.how long is one side of garden?
*Friday, January 1, 2016 by Raghul*

**Math**

Tanisha potato salad recipe calls for 3 pounds of potatoes she decides to make 3.5 times her regular recipe how many pounds of potatoes should tanisha buy?
*Friday, January 1, 2016 by Queen*

**math**

If one angel of a parallelogram is twice of its adjacent angel,find the angel of the parallelogram
*Friday, January 1, 2016 by srishti*

**math**

How many different ways (combinations) can i arrange the 6 letters: A, B, C, D, E and F without repeating any of them.
*Friday, January 1, 2016 by Anonymous*

**Math**

Solve 3 - x = √x2 - 5 . State any extraneous roots that you found. Identify the values of x for which the radical is defined.
*Friday, January 1, 2016 by Emmanuel*

**Math**

a)Write a function o represent the area of the rectangle. one side - 5x+15 other side - 31-2x b) Graph the function- lebel x and yint c)what dp the x-intercepts represent in this situaltion? d)Does the funtion have a maximum value in this situaltion? Does it have a minimum ...
*Friday, January 1, 2016 by Emmanuel*

**Math**

Exponetial Functions In the following exponential relations, solve for x using logarithms. Round your answers to 4 decimal places. a) 5^3x=65 b) 2^2x+3=80
*Thursday, December 31, 2015 by Joseph*

**Math**

Rewrite the following exponential functions as logarithmic functions, and the logarithmic functions as exponential functions a) f(x)=(7/8)^x b) f(x)=log12x c) f(x)=log5/9x
*Thursday, December 31, 2015 by Matt*

**Math**

Car 1 & Car 2 leave the same location . Car 1 leaves the location 10 minutes before Car 2 and is traveling 65 mph. Car 2 is traveling at 75 mph. How long before Car 2 catches Car 1?
*Thursday, December 31, 2015 by Jessica*

**Math**

Simplify the following, using only positive exponents. Do not evaluate. Exponetial functions c) f^3 g−^1/f^2 g^3 d) (k^−2m^3n)×(kmn^5)÷(k^− 1m^2 n)
*Thursday, December 31, 2015 by Mark*

**Math**

For the following function, state: i. the domain and range ii. the y-intercept, and iii. the horizontal asymptote f(x)=(2)x−7
*Thursday, December 31, 2015 by Chris*

**Math**

Write 57.6% as a fraction in simplest form. A. 576/100 B. 72/125******** C. 72/250 D. 6/57 Please HELP ASAP... IS IT CORRECT @Ms.Sue @Emy @Writeacher @Steve @FrozenQueen @Reed
*Thursday, December 31, 2015 by Carly Johanson Miller*

**Math**

sheldon has 50 dimes in his piggy bank. there are 30 more nickels than dimes. there are 200 more pennies then nickels. how many coins are in sheldon's piggy bank?
*Thursday, December 31, 2015 by Dante *

**math**

a circle of radius r is inscribed in a right triangle of sides 5cm,12cm,and 13cm.r
*Thursday, December 31, 2015 by gaurav*

**Math**

A projectile is launched upward from the ground at an initial velocity of 400 feet per second. During it’s upward flight, the projectile passes a hot air balloon floating at a constant height of 2400 feet. How many seconds later will the projectile pass the hot air ...
*Thursday, December 31, 2015 by Sunny*

**math**

A person is travelling by train and car in his whole journey.. The matter is if he is travelling first by train till 60kms and the rest by car, then his total journey has taken 4 hours.. but if he is travelling first by train till 100kms, then his journey has taken 10 mins ...
*Wednesday, December 30, 2015 by ritesh*

**math**

You can use the formula A = C^2 / 4pi to find the area of a circle given the circumference. Describe another way to find the area of a circle when given teh circumference. THX!
*Wednesday, December 30, 2015 by Tim*