Wednesday

August 31, 2016
**math work**

find the triple scalar product u . (v * w) for the vectors u = 9i - 7j - 3k v = -6i + j - 5k w = 2i + 8j - 9k
*Wednesday, August 31, 2016 by sophie*

**math work**

determine whether the planes are parallel, octagonal or neither a. 4x + 5y + z = -1 3x + 5y - 37z = -3 b. 2x - y - 3z = -5 -2x - 6y - z = 3
*Wednesday, August 31, 2016 by sophie*

**math work**

find the minors and cofactors of the matrix [ -3 2 -8 ] 3 -2 6 -1 3 -6
*Wednesday, August 31, 2016 by sophie*

**math**

At a halftime show marching band in formation. the lead drummer started at a point with coordinates (-2, -5) and moved 3 steps up and 1 step right. A. Write a rule to describe the translation. B. What are the corrdiates of the drummer's final position? A. I'm not sure ...
*Wednesday, August 31, 2016 by FluttershyK*

**Math**

The balance listed on Kim's bank statement was $65 in April. In May, her balance was $-12. What equation represents the difference in her account balances from April to May? 1. 65 - 12 = 53 2. 65 - (-12) = 77 3. -65 - (-12) = -53 4. -65 + -12 = -77
*Wednesday, August 31, 2016 by Pier*

**Math**

the sum of the reciprocals of two consecutive positive numbers is 17/12 . Find the numbers
*Wednesday, August 31, 2016 by Damien*

**math**

A rectangle is removed from a right triangle to create the shaded region shown below. Find the area of the shaded region. Be sure to include the correct unit in your answer.
*Wednesday, August 31, 2016 by Anonymous*

**math**

3.96 x 10^2/ 1.5 x 10^6
*Wednesday, August 31, 2016 by kaylee*

**math**

Subtract 9 1/4 from 15 2/6 pls anwswer this
*Wednesday, August 31, 2016 by Anonymous*

**math**

pls answer 5 2/6 ecreased by 1/4
*Wednesday, August 31, 2016 by Anonymous*

**math**

two students are picked at random from a group of 8 girls and 6 boys,calculate the probability that the two picked atleast one is a boy.
*Wednesday, August 31, 2016 by joy*

**math**

subtract 4 2/3 - 3 2/5 ?
*Wednesday, August 31, 2016 by clair*

**Math**

A farmer uses 11/18 of his field to grow rice and 3/7 of remaning field for growing tomatoes of the area thus left he uses 1/4 of his to grow spanich and the rest to grow sweet potatoes What fraction of field is used to grow sweet potatoes??
*Wednesday, August 31, 2016 by Summit*

**math **

Prime factorization of 88 with division and factor tree method. I am not able to do this question.
*Wednesday, August 31, 2016 by mauli*

**Math**

The chef has 25 pounds of strip loin. The trim loss on the strip loin is 35% and the cooking loss is 80% of the trimmed weight. How many pounds of trimmed, cooked strip loin will the chef have left to serve to his customers?
*Wednesday, August 31, 2016 by Anonymous*

**math**

subtract the following rename if necessary.7 1/2-5 3/4=
*Wednesday, August 31, 2016 by thraixie*

**math**

An ant starts at position (0, 0) and walks north, east, south or west, one unit at a time. How many dierent paths of length 8 units finish at (0, 0)?
*Wednesday, August 31, 2016 by sarah*

**math**

find the general form of the equation of the plane passing through the point and perpendicular to the specified vector. (8, 6, 3) n =i-6j + k a. x - 6y + z - 25 = 0 b. x - 6y + z + 25 = 0 c. x - 6y + z = 0 d. 8x + 6y + 3z - 25 = 0 e. 8x + 6y + 3z + 25 = 0
*Wednesday, August 31, 2016 by Sreya*

**math**

find the triple scalar product u . (v * w) for the vectors u = 9i - 7j - 3k v = -6i + j - 5k w = 2i + 8j - 9k a. -877 b. -299 c. -19 d. 0 e. 899
*Wednesday, August 31, 2016 by Sreya*

**math homework**

use the limit process to find the slope of the graph of 'square root' x+8 at (8,4) a. 4 b. 1/4 c. the slope is undefined at this point d. 1/8 e. infinity
*Wednesday, August 31, 2016 by jessie*

**math **

solve the system of equations for x and y { x^2 - 11x -y =-24 x^2 - 11x + y = -24
*Wednesday, August 31, 2016 by jessie*

**math homework**

solve the system of equations algebraically for x and y { x^2 + y^2 = 26 x + y = 6 a. (1,5) (1,4) b. (4,5) (5,4) c. (5,1) (5,1) d. (1,5) (5,1) e. no solution
*Wednesday, August 31, 2016 by lottie*

**math**

How to Arrange multiplication and division symbol as you wish between number 1 to 9 to get a result of 1.
*Wednesday, August 31, 2016 by jyothi*

**math**

The total price of a mobile and a watch is rs8000. If 10% discount and 10% VAT IS imposed on both, their selling price becomes rs7920, find the marked price of mobile and watch separately. Well I did this question and every time I get to a point where the variable are ...
*Wednesday, August 31, 2016 by A GOODSTUDENT*

**math**

A and B play card on stake. A gains from B 1/4 of the latter's money. B gains from A 1/3 of A's original money. Each has now rs 400. How much money did each have before playing the game? Well I tried this question a lot and have no clue how to do it I made equation ...
*Wednesday, August 31, 2016 by A GOODSTUDENT*

**Math**

Insert +, -, x, or + symbols to make each statement true 17?2?3?8=3 33?3?2?5=1
*Wednesday, August 31, 2016 by Bella*

**math **

Expand (1+x+x^2)^3
*Wednesday, August 31, 2016 by bhanu*

**Math**

Several students were surveyed about their favorite class. 26 students chose art 19 English 21 math 16 music 32 science. What fraction of the of the students chose music as their favorite subject.
*Wednesday, August 31, 2016 by Anonymous*

**Math**

Several students were surveyed about their favorite class. 26 students chose art 19 English 21 math 16 music 32 science. What fraction of the of the students chose music as their favorite subject.
*Wednesday, August 31, 2016 by Anonymous*

**Math-marine ecisytems**

How do I divide 71%÷519million square kilometers and wat is the work? Need answers before 9:00pm today 8-30-16 thanks :) ;) so far I have done a dividing box with 510000000 in it and 71 as my divider my parents can't help it is to hard for them and it is hard cuz ...
*Tuesday, August 30, 2016 by Anonymous*

**Math**

Lucia and Stephen each drew a quick picture to model 2.04. Whose model is correct? Explain the error. □□:: □□|||| Lucia Stephen Lucia's model is correct because it has dots that is showing hundredths place. Stephen's model has lines that are ...
*Tuesday, August 30, 2016 by Keili*

**math**

5x10negativepower2
*Tuesday, August 30, 2016 by Anonymous*

**math**

Could you please explain why, when increasing something, you put a 1 in front of it? For example, if something is increased by 5%, why do you multiply by 1.05? What exactly does that 1 mean or represent? Thank you.
*Tuesday, August 30, 2016 by Carly*

**math**

The coach of a baseball team separates the players into groups for drills. Each group has the same number of players. Is the total number of players on baseball team prime or composite? Explain.
*Tuesday, August 30, 2016 by bob*

**Math**

which value is the "whole" in the following problem: 14 is what percent of 56? I said the "whole" is 56, due to the problem not stating whether i was to solve the problem by using proportions or whatever. May you check my answer? Thank You
*Tuesday, August 30, 2016 by Jourrapide*

**Math**

Blake watched 1/6 of a movie on Friday,3/5 of amovie on saturday, and the rest on sunday. What fraction of the movie did he watch on Sunday?
*Tuesday, August 30, 2016 by MARY*

**math**

If line BD bisects Angle ABC with the measure of abd= 5x+8 and the measure of dbc= 9x-14, then find the measure of ABC.
*Tuesday, August 30, 2016 by Anonymous*

**Math**

State the theorem or postulate that is related to the measures of the angles in each pair. Then find the angle measures. m∠3=(23x+11)°,m∠4=(14x+21)° Can you teach me this problem?? Please...
*Tuesday, August 30, 2016 by CC*

**math**

What are the tricks in solving words problem?
*Tuesday, August 30, 2016 by ngun*

**4th grade math**

solve the following problems using pictures, number or words. At president's inaguration in 1861, the newpaper headlines stated there were about 30,000 people in attendance. If the newpaper rounded to the nearest thousand, what is the largest number and smallest number of ...
*Tuesday, August 30, 2016 by Mythreyee*

**4th grade math**

solve the following problems using pictures, number or words. At president's inaguration in 2005, the newpaper headlines stated there were about 400,000 people in attendance. If the newpaper rounded to the nearest ten thousand, what is the largest number and smallest ...
*Tuesday, August 30, 2016 by Mythreyee*

**4th grade math**

solve the following problems using pictures, number or words. At president's inaguration in 2013, the newpaper headlines stated there were about 800,000 people in attendance. If the newpaper rounded to the nearest hundred thousand, what is the largest number and smallest ...
*Tuesday, August 30, 2016 by Mythreyee*

**Math**

How do you put 11760 825 into expanded form
*Tuesday, August 30, 2016 by Lesly*

**Math**

In 3 years, an investment earns $108 simple interest at a rate of 3%. Find the principle. Thank You.
*Tuesday, August 30, 2016 by Steve*

**Math **

Is the sum of 425 and 390 less than or greater than 800. How do you know?
*Tuesday, August 30, 2016 by Jeremiah *

**Math**

1.64 as a mixed number in simplest form
*Tuesday, August 30, 2016 by Heidi*

**Math **

The wind chill in a cold day made it feel like 5 degrees below zero outside. Write this temerpature as a integer.
*Tuesday, August 30, 2016 by Amy*

**Math**

An investment of $2050 at a rate 2% interest earned in 164 in simple interest. Find the length of the time it was invested for My answer: 4 months
*Tuesday, August 30, 2016 by Steve*

**Math**

In 748,719 change the digit in the thousands place so that the value of the new digit represents 1/10 of the value of the digit in the ten thousands place write the new # to the right.
*Tuesday, August 30, 2016 by Bryce*

**Math**

If a car travel 12 miles on 0.3 gallon of gas. How far can it travel on 1gallon?
*Tuesday, August 30, 2016 by Savannah*

**Math**

A plumb bob is a weight hung at the end of a string, called a plumb line. The weight pulls the string down so that the plumb line is perfectly vertical. Suppose that the angle formed by the wall and the roof is 123° and the angle formed by the plumb line and the roof is ...
*Tuesday, August 30, 2016 by CC*

**Math **

A penguin may swim as slowly as 3 miles per hour or as fast as 15 miles an hour. How many minutes does it take a penguin to swim 1 mile at full speed?
*Tuesday, August 30, 2016 by Anonymous*

**Math**

How many times greater is a digit in the one millions place than the same digit in the ten thousands place
*Tuesday, August 30, 2016 by Marisa*

**Math**

Using numbers 2,3,5,10, 24 make the number 120
*Tuesday, August 30, 2016 by K*

**Math**

Write an equivalent expression for the following: 3(x+2)+2x-1
*Tuesday, August 30, 2016 by Amy*

**Math**

K^9 V^8* KV^5
*Tuesday, August 30, 2016 by Amy*

**Math**

How do you write 4,000,000,000 + 20,000,000 + 500,000 + 60,000 + 1,000 + 300 + 40
*Tuesday, August 30, 2016 by James*

**Math**

A gallon of gasoline costs g dollars. Paul puts 12.5 gallons in his car and 0.75 gallon of gasoline in a portable tank. Write an expression that shows how many dollars he spent on gasoline .
*Tuesday, August 30, 2016 by Amy*

**Math**

If it takes 10 people 6 days to do a home improvement, how long would 4 take
*Tuesday, August 30, 2016 by Anonymous*

**math homework**

find a unit vector in the direction of u u = (-5, -12, 9) a. (-5, -12, 9) b. 1 / squareroot 26 (-5, -12, 9) c. squareroot 26 (-5, -12, 9 d. 1/ 5 squareroot 10 (-5, -12, 9) e. 1/ 5 squareroot 10 (5, 12, -9)
*Tuesday, August 30, 2016 by lottie*

**math homework**

solve the system by gauss jordan elimination { 1/3x + 3/4 y - 2/3 z = -8 x + 1/2 y - z = -24 1/6 x - 1/8 y - z = -24 a. (-6, 8, -24) b. (-6, -8, -24) c. (0, 8, -24) d. (6, 8, 24) e. (6, -8, 24)
*Tuesday, August 30, 2016 by lottie*

**math homework**

rewrite n E 5i^3 / n^5 i=1
*Tuesday, August 30, 2016 by lottie*

**math homework help please?!!**

use the first six terms to predict the limit of the sequence a subtext n = n+6 / n^3 +6 (assume n begins with 1) a. 1/6 b. 6 c. the sequence diverges d. 0 e. 1
*Tuesday, August 30, 2016 by ottilie*

**math homework help please?!!**

solve the system of equations algebraically for real values of x and y { x + y = 16 x^2 + y^2 = 128 a. (6,6) b. (8,6) c. (9,8) d. (8,8) e. no solution
*Tuesday, August 30, 2016 by ottilie*

**math**

Convert 4 millimeter to centimeters?
*Tuesday, August 30, 2016 by Saram amjad*

**10th Grade Math**

A history class is comprised of 6 female and 9 male students. If the instructor of the class randomly chooses 5 students from the class for an oral exam, what is the probability that 2 female students and 3 male students will be selected? Round your answer to 3 decimal places...
*Tuesday, August 30, 2016 by Jonathan*

**Math**

A die is rolle 16 times and the number that ad for each roll was recorded. Number on die for each roll 5 2 2 6 1 4 6 1 1 3 5 2 2 3 4 4 If this data were to be displayed using a dot plot, what numbers would be displayed along the horizontal number line? Which numbers along the ...
*Tuesday, August 30, 2016 by Irene*

**math**

Tania has 6 tiles with pictures of plants and 3 tiles with pictures of animals. Tania keeps all the tiles on a mat with the pictures hidden and mixes them up. She then turns one tile face up and finds the picture of a plant on it. She removes this tile from the mat and turns ...
*Tuesday, August 30, 2016 by Daniela*

**Math**

Consider an account with an APR of 8.5%. Find the APY with daily compounding.
*Tuesday, August 30, 2016 by Nate*

**Math**

Determine the balance if you were to invest 10,000 at an APR of 9% compounded monthly for seven years.
*Tuesday, August 30, 2016 by Millie*

**math**

3.96 x 10^2/ 1.5 x 10^6
*Tuesday, August 30, 2016 by kaylee*

**Math**

if p=8 evaluate 4^2/p•3 2 3 6<---- 8 Check my answer
*Tuesday, August 30, 2016 by Mandy Todd *

**Math**

A police car observes a truck traveling a 110kmph. The police car starts pursuit 30secs after the observation, accelerate to 160kmph in 20secs. Assuming the speeds are maintained const on a straight road, how far from the observation point, will the chase end?
*Tuesday, August 30, 2016 by Shaik*

**Math**

Check my answers please. 1)Which statement is an example of the Identity Property of Multiplication? a)8 • 0 = 0 b)8 • 1 = 8<<<< c)8 • –1 = –8 d)–8 • –1 = 8 2)Whats another way to write -3*(4+7)? a)-3*4+7<<<<< ...
*Tuesday, August 30, 2016 by _Nutuge_*

**math homework help please?!!**

determine lim f(x) x -> 1 where f(x) = { 13 - x^2, x < or equal to 1 11 - x, x > 1 a. 11 b. limit does not exist c. 13 d. 10 e. 12
*Tuesday, August 30, 2016 by jessie*

**math**

7x/8 = 21 i am kind of confused on this
*Tuesday, August 30, 2016 by Jo*

**math**

How do you simplify this expression? -12 / 3 x (-8+(-4)^2 - 6) +2 I got -8+2. Is this right?
*Tuesday, August 30, 2016 by Jo*

**math**

use eachof the digits 0-9 once. make two decimal numbers whose sum is close to 5 and whose difference is close to 1
*Tuesday, August 30, 2016 by Kathy*

**mAtH**

Does someone here has some tough simultaneous equations questions ? My test is coming and I want to practice some tough questions
*Tuesday, August 30, 2016 by STRANGE*

**Math**

If two numbers are in ratio 5:8 and their H.C.F. is 6 what are the numbers?
*Tuesday, August 30, 2016 by Directioner*

**math **

Shortly after metric units were introduced in Australia, a group of 44 students was asked to guess, to the nearest meter, the width of the lecture hall in which they were sitting. The true width of the hall was 13.1 meters. Please find the mean of the data. Guesses (Meters) 8...
*Tuesday, August 30, 2016 by Leah*

**Math**

An interior painter is painting a wall that is 8 feet by 14 feet. He needs to determine how much paint he will need for the job. If a pint will cover 40 square feet, how many pints of paint are needed to paint the wall?
*Tuesday, August 30, 2016 by Anonymous*

**math**

the population of a town increased from 30000 to 40000. what is the percent of increase
*Tuesday, August 30, 2016 by mae*

**math homework**

give the coordinates of the circles centre and its radius (x-7)^2 + (y+4)^2 = 16
*Tuesday, August 30, 2016 by ottilie*

**math homework help**

write the equation of the ellipse that has its centre at the origin with focus (0,4) and vertex at (0,7)
*Tuesday, August 30, 2016 by laura*

**math**

Find the absolute error, the upper limit and lower limit for 8 h, Least unit of measurement= 1h Absolute error =1/2 of 1 h = 0.5 h Upper limit = 8+0.5 = 8.5 h Lower limit = 8 - 0.5 = 7.5 h
*Tuesday, August 30, 2016 by Bernard*

**math homework help**

Find lim f(x+h) - f(x) / h h -> 0 for f(x) = 5-2x
*Tuesday, August 30, 2016 by ottilie*

**math**

A point P is 500m from the base of a pole. If the angle of elevation of the top of the pole to the point P is 40 degrees, find the height of the pole
*Tuesday, August 30, 2016 by liz*

**math**

evaluate the expression (94) 93 a. 94 b. 93 c. 1 d. 88 e. -5
*Tuesday, August 30, 2016 by lottie*

**math**

100 student appeared in class test for a combined english and hindi examination. 70 students passed in both,8 failed in english and hindi and 5 failed in hindi only find how manystudents failed in english and how many students passed in hindi also find how many students passed...
*Tuesday, August 30, 2016 by david*

**Math**

What is 210x2?
*Tuesday, August 30, 2016 by Jazzy*

**Math **

A craft project requires 5/6 yards of ribbon to make 4 refrigerator magnets.How many inches of ribbon are needed for each magnet?
*Tuesday, August 30, 2016 by Henry*

**Math**

A straight line x/a -y/b =1 passes through the point (8,6) and cuts off a triangle of area 12 units from the axes of coordinates .find the equation of straight line
*Monday, August 29, 2016 by Anonymous*

**Math**

List the multiples of 4 from 8010 to 8019
*Monday, August 29, 2016 by Lin*

**Math**

What is 4 x 6 x 5
*Monday, August 29, 2016 by Vanessa*

**Math**

What is 50x50 and why pls show work (don't show adult work I'm in 6 grade I'm not going to understand lol)
*Monday, August 29, 2016 by Vanessa*

**math**

Can you please help me. 3/x-1=8
*Monday, August 29, 2016 by Mike*

**math**

(x+2)/5=(10-2x)/3 Thank You.
*Monday, August 29, 2016 by Trenton*

**math**

why might you want to round to the nearest hundred rather than the nearest ten?
*Monday, August 29, 2016 by stacey*

**Math **

Write the greatest odd number that uses the digits 3 4 5 once each
*Monday, August 29, 2016 by Rachel*