Thursday

September 3, 2015
**math**

Please, help me to solve this problems by Cramer rule Question number : 1. 5/x + 3/y = 19 2/x + 1/y = 7 Question number : 2. log x + 2 log y = 4 2 log x - 3 log y = 1 so confuse..
*Sunday, August 23, 2015 by Iman*

**math**

can you show me a tessellation of circles and triangles
*Sunday, August 23, 2015 by tape*

**Math**

Decompose 28*6 to make it easier below. Paula had a block of cream cheese that was 2 inches wide, 5 1/2 long and 1 1/2 inches tall. Paula used 1/2 of the cream cheese in her recipe. How many cubic inches of cream cheese did she use?
*Sunday, August 23, 2015 by LIZ*

**math 540**

12) Betty Malloy, owner of the Eagle Tavern in Pittsburgh, is preparing for Super Bowl Sunday, and she must determine how much beer to stock. Betty stocks three brands of beer—Yodel, Shotz, and Rainwater. The cost per gallon (to the tavern owner) of each brand is as ...
*Sunday, August 23, 2015 by arla*

**MATH**

What are the odds in favor of randomly drawing the letter C from the letters in the word CANADIAN?The odds are from ____ to _____
*Sunday, August 23, 2015 by Bella*

**Math**

A box contains 8 white balls, 7 black and 4 red. How many red balls must be added to the box so that the probability is 3/4? How many black balls need to be added so that it is 1/4? Thanks I have a mental block with this.
*Sunday, August 23, 2015 by Bella*

**nyonithwele**

math: 38 learners at a high school,24play hockey,30play netball and 4play neither hockey nor netball.use venn diagram
*Sunday, August 23, 2015 by brian*

**Math**

Write an equation for the hyperbola. Vertices at ( -5,2) and (-1,2), passing through the point (-6,4) Could you be so nice and help me please:) I have still wrong answer and I have no idea where I'm doing mistake. My work: Horizontal transverse )( Center (-3,2) a= 2 (-6)^2...
*Sunday, August 23, 2015 by Lucas*

**Math**

A Picture is surrounded by a frame 10 5/8 inches and 6 1/2 inches. what is the area of the entire picture including the frame
*Saturday, August 22, 2015 by Nancy*

**Math**

Find x √2x/9.81= √(300+h)^2+60^2/150 Thankyou!
*Saturday, August 22, 2015 by Anonymous*

**Math**

Yvonne had 25 stamps. She used 20 of them. Which represents the portion of the stamps she used. 0.4. 4/5 60% or 15/20
*Saturday, August 22, 2015 by Ledian Gonzalez *

**Math**

A picture frame has a height of 10cm and width 8 cm. If you take 2 1/2 from the height from both sides and 2 cm from one side, what is the area? 24 cm sqrt
*Saturday, August 22, 2015 by kareen*

**Math**

A treasure box contained 3 bags of mint and 4 bags of chocolate. What is the probability of a student grabbing a bag of mint without looking? 3/7
*Saturday, August 22, 2015 by kareen*

**Math**

Six people used a spa for 20-40 min. for an average of 48 minutes.How many would be able to use it for 50 minutes if one person used it for 50 min is the answer 8
*Saturday, August 22, 2015 by kareen*

**Math I am lost!**

Tom travelled to the train station at 60 mph and arrived 1 minute earlier. He then travelled back home at 30 mph and arrived 1 minute late. How long was the trip. D= 60 * T - 1 + 30*T+1 60T+30T -1+1 90 t
*Saturday, August 22, 2015 by kareen*

**Math**

The weight of box A is 4/5 of box B. If box B is placed on one side of a balance scale, it is balanced by box A and a 4/5 pound weight. How much does box B weigh?
*Saturday, August 22, 2015 by Constella*

**math**

156.1 is 70% of what number?
*Saturday, August 22, 2015 by Anonymous*

**Math**

AB= , BC=19, AC=37
*Saturday, August 22, 2015 by Jessica Fleming *

**Math**

When Bruce started bowling, he won 1/4 of the games he played. Within six months, he was winning 7/16 of his games. If he improves at the same rate, what fraction of his games should he expect to win after another six months? I subtracted the 1/4 from 7/16 and came up with 3/...
*Saturday, August 22, 2015 by Sarah*

**math**

If the ratio of the rise to run on the pitch of a roof is 7/10 and the run is 30 feet, what is the rise?
*Saturday, August 22, 2015 by Cortney*

**Math**

In the number 436,621 which places contain digits where one digit is ten times as great as the other? I picked the 2 6's.
*Friday, August 21, 2015 by Gwen*

**math**

Which symbol is used to make -6? |-8| a true statement? A. > B. < C. = Is the answer B? Thank you
*Friday, August 21, 2015 by Liz*

**Math**

Which set of integers are in the right order from least to greatest? A. -8,8,6,|-7|,5 B. |-7|,-8,8,6,5 C. -8,5,6,|-7|,8 D. 5,6,8,-8,|-7| Is the answer b? Thank you
*Friday, August 21, 2015 by Liz*

**math**

whats 3-7+(8+9)=
*Friday, August 21, 2015 by kimberly*

**Math: Mean, Median, Mode, Range & Finding the devi**

What is deviation? And what is the definition of frequency distribution & how would I solve a problem in 8th grade math with this problem...My child is asking about this problem she has in an 8th grade book. Given the following numbers 2,2,3,6,1,9,4,2,5,7,6,8,6, What is the ...
*Friday, August 21, 2015 by Aayla*

**Math**

50% Rule: The repackaged vial or unit dose must have an expiration date placed on it; but it is not the same expiration date as what is on the stock bottle. You must take the date on the stock bottle and write the half way date between today’s date and the expiration date...
*Friday, August 21, 2015 by Anonymous*

**Math**

Sammy has fifty coins in his pocket that add up to one dollar. how many coins of each denomination are in sammy's pocket?
*Friday, August 21, 2015 by Anonymous*

**Math**

The opposite of -4 is? I believe it is 4.
*Friday, August 21, 2015 by Lost*

**math**

A rectangle is 12 cm longer than it is wide. a wooden walk 2 ft wide is placed around the pond. the area covered by the pond and walk is 160 ft^2 greater than the area covered by the pond alone. What are the dimensions of the pond
*Friday, August 21, 2015 by twnkal eshaal*

**math**

which of the following are reasonable answer for the product of two negatives and a positive a. 20** b. 10 c. -20 d. -10 Which statement about the product is true 5.5⋅√5 a. The product is rational b. The product is irrational**** c. The product is neither rational ...
*Friday, August 21, 2015 by TeaCup*

**math**

On the first day in each month, Enid deposited $4 into her bank account and Jim deposited $3 into his. They opened these accounts on May 15, 1990. On December 31, 1990, they each had $72 dollars in their account. How much did each person deposit on May 15? (Note: Neither ...
*Friday, August 21, 2015 by Tricia*

**math**

1+2=4
*Friday, August 21, 2015 by john*

**Math- Need Help**

If 5x +4y and 4x +3y =5 15x +12y =18 16x +12y = 20 31x/31= 38/31 x= 1 7/31 20x +16y =24 20x +15y = 5 31/y/31 = 29/31 y=29/31 x +y = 1 7/31 + 29/31 2 5/31
*Friday, August 21, 2015 by kareen*

**math.fraction**

There are 12 marbles in the container.. then colored half of the marbles red.in the quarter of the marble is blue.in the rest of marble us green.. what us the fraction of green
*Friday, August 21, 2015 by gemmalyn bautista*

**Math**

A 40lb child sits at one end of a teeter-totter-totter which is 12 feet long and has the fulcrum in the center. How many feet from the fulcrum should a 60 lb child sit so the teeter-totter will balance?
*Thursday, August 20, 2015 by Maya*

**math**

is the number 1 a prime or composite number?
*Thursday, August 20, 2015 by martha*

**Math**

7 digit number no repetition of numbers digit 5 in thousands place, greatest digit in the millions place, digit in the hundred thousands place is twice the digit in the hundreds place, digit in the hundreds place is twice the digit in the ones place, digit in the tens place is...
*Thursday, August 20, 2015 by Julia*

**Math**

If 5x +4y and 4x +3y =5 15x +12y =18 16x +12y = 20 31x/31= 38/31 x= 1 7/31 20x +16y =24 20x +15y = 5 31/y/31 = 29/31 y=29/31 x +y = 1 7/31 + 29/31 2 5/31
*Thursday, August 20, 2015 by kareen*

**Math**

3x - 2= 8 3x-2+2 = 8+2 3x= 10 3x/3 = 10/3 x= 3 1/3
*Thursday, August 20, 2015 by kareen*

**Math**

What percentage is $6 of $20? 6/20 *100 = 30%
*Thursday, August 20, 2015 by kareen*

**Math**

what is 30% of $325? 30/100 *325= $97.50
*Thursday, August 20, 2015 by kareen*

**Math **

The length of a rectangular field is seven meters less than four times the width. The perimeter is 108 meter. Find the width and length of the field. How do I do this?
*Thursday, August 20, 2015 by Victoria *

**Math**

(x+3) (x+9) x sqrt +27
*Thursday, August 20, 2015 by kareen*

**Math**

(x-1) (x-8) x sqrt +8
*Thursday, August 20, 2015 by kareen*

**Math**

Can you show me how to do the following: How many even integers are between - 4 and 4? Not sure how to even do this problem
*Thursday, August 20, 2015 by Mom50*

**math**

Water is poured into a right circular cone with a height of 10 cm and diameter of 8 cm until it is three-fourths full. All this water is then poured into an empty cylindrical container with a radius of 5 cm and height of 9 cm. What is the height of the water in the cylinder?
*Thursday, August 20, 2015 by Anonymous*

**math**

Jack says that adding 0 does not change a sum
*Thursday, August 20, 2015 by Jose castro *

**Math**

Two line segments intersect to form an angle that has a measure of 50.7degrees. What is the measure, in degrees, of an angle that is supplementary to this angle?
*Thursday, August 20, 2015 by Diana*

**Math**

-3 * 1/4
*Thursday, August 20, 2015 by Anonymous*

**Math **

How do you form an equivalent division problem for 8 1/2 divided by 1/2 by doubling both the dividend and divisor
*Thursday, August 20, 2015 by Lexy *

**math**

Is (x+y)2 equal to (x2+y2)? Explain why or why not using an example to support your answer.
*Thursday, August 20, 2015 by Anonymous*

**Math**

Mr.jacobs budgeted $1,200 for tiles. His sketch of the floor requires him to use 38 white tile. each white tile cost $12. Write and solve an inequality to find the maximum amount he can spend on his brown tile. I'm not sure how to write and solve the inequality. Can ...
*Thursday, August 20, 2015 by Penelope*

**math**

At a popcorn factory, for every kilogram of popcorn that is popped, 100 grams are not popped. The factory pops 5 kilograms every day. What is the total weight in kilograms, of the unpopped corn in the month of april?
*Thursday, August 20, 2015 by Katherine*

**math**

Jo Lee wants to hang three 3-inch by 5-inch prints on her wall. She wants to line them up vertically with an inch between each print. What is the minimum wall space that Jo Lee must have? Please explain!!!!
*Thursday, August 20, 2015 by Christy*

**math **

in the frustum of a cone,the top diameter is twice the bottom diameter. if the height is h cm, find the height of the cone
*Thursday, August 20, 2015 by Jay *

**Math**

The present ages of a man and his wife are as 6:4. Five years ago their ages were in the ratio 5:3. What is the age gap of the couple?
*Thursday, August 20, 2015 by Anonymous*

**Math**

14-2.6+9
*Thursday, August 20, 2015 by Anonymous*

**Math**

A common flea that is 2 to the negative force inches long can jump about to cubic inches high about how many times its body size 10 the flea jump
*Wednesday, August 19, 2015 by Nikki*

**Math**

How do I do this _______ is 32% of 250
*Wednesday, August 19, 2015 by Lisa*

**Math**

There are 12 pieces of fruit in a bowl.7 are apples 2 are peaches.What is the probability that a randomly selected piece of fruit will not be an apple or a peach?Justify your answer.
*Wednesday, August 19, 2015 by Brooke*

**math**

give the reason to justify each step a. 4c+3(2+c)=4c+6+3c b. =4c+3c+6 c. =(4c+3c)+6 d. =(4+3)c+6 e =7c+6
*Wednesday, August 19, 2015 by Mary*

**MATH **

Good Evening Ms SUE, Frankly I tried the below some as you said but still I am not getting the answer still iam getting the same answer as option A. 2 1/6 n I know this is wrong Mam if you don't mind can you check n tell where iam wrong and correct me please. Thank You It ...
*Wednesday, August 19, 2015 by GOUTHAM*

**math**

ek sankhya a b se 40% kam hai b a se kitne pratisat adhik hai
*Wednesday, August 19, 2015 by Anonymous*

**Math (Probability)**

In a random poll of science students, it was determined that 90% of students submitted tests before the deadline. In a random sample of 75, what is the probability that exactly 10 submitted after the deadline? What is the probability that less than 10 submitted after the ...
*Wednesday, August 19, 2015 by Meghan*

**Math**

(8*2_10)_2*3 to the 7th power = 4374
*Wednesday, August 19, 2015 by Rachel*

**Math**

In a 36-minute gym period, 24 boys want to play basketball. If only 10 can play at the same time, and each boy plays the same amount of time, how many minutes does each boy play?
*Wednesday, August 19, 2015 by Pat*

**Math**

A boy's test grades are 68 , 72, 78, 80 and 86. What grade must he get on his next test to make his test average exactly 75?
*Wednesday, August 19, 2015 by Pat*

**Math**

How much larger than 1/9 of 3 is 2/5 of 1 2/3?
*Wednesday, August 19, 2015 by Pat*

**Math**

A girl had 20 coins in nickels and dimes whose Sun was $1.40. She spent 65¢ using 8 coins. She has __ nickels.
*Wednesday, August 19, 2015 by Pat*

**Math-unit rate**

Molly walks 1 1/2 miles in 3/5 hour. What is the walking rate?
*Wednesday, August 19, 2015 by L*

**Math**

How do I know if a graph has removable continuity, jump, or infinite? What is the difference?
*Wednesday, August 19, 2015 by Jordan*

**MATH**

Express 12g as a decimal of 60g
*Wednesday, August 19, 2015 by ID*

**Math **

Raquel is mowing her rectangular lawn. The area of her lawn is 800 sq.ft The width of her yard is twice as long as the length of the yard. How wide is her yard? How long is her yard?
*Wednesday, August 19, 2015 by Anonymous*

**math**

okay i know i have not been showing my work and ya tellin me to use steve post as an example but i dont even kno what im doin to show ya any work and i dont understand this stuff this is my first time learnin it so can yahelp me wit one. to whomever this may concern
*Wednesday, August 19, 2015 by Tameka*

**Math**

Convert 24 fluid ounces of juice to cups, if 1 cup= 8 fluid ounces. Is this answer correct? 3 cups
*Wednesday, August 19, 2015 by Amy*

**math**

what are the roots od x^3+x^2-4x-4?
*Wednesday, August 19, 2015 by Tameka*

**Math**

9. Explain how to solve 8 square+9(12 divided by 3 times 2) -7. (5 Points)
*Wednesday, August 19, 2015 by Gabby*

**Math**

If there are 7 red cubes, 6 blue cubes, and 13 yellow cubes, what is the ratio red cubes to total cubes? ___ red: ____ total
*Wednesday, August 19, 2015 by Amy*

**math**

You get one spin.what is the probability of spinning a number larger than 6 out of 8.
*Wednesday, August 19, 2015 by devin*

**math**

what are the roots of x^3-3x^2+3x-1
*Wednesday, August 19, 2015 by Tameka*

**math**

what are the roots of x^5-10x^3+9x?
*Wednesday, August 19, 2015 by Tameka*

**math**

what are the roots of -12x^2-x^3+x^4?
*Wednesday, August 19, 2015 by Tameka*

**math**

what are the roots for x^4-6x^3+5x^2+12x
*Wednesday, August 19, 2015 by Tameka*

**math**

what are the roots for x^3-13x-12?
*Wednesday, August 19, 2015 by Tameka*

**math**

what are the roots for x^3-2x^2-7x-4?
*Wednesday, August 19, 2015 by Tameka*

**math**

what are the roots for x^3+x^2-10x+8?
*Wednesday, August 19, 2015 by Tameka*

**math**

what are the roots for x^3+x^2-4x-4 ?
*Wednesday, August 19, 2015 by Tameka*

**math**

what are the roots of x^3+6x^2+12x+8?
*Wednesday, August 19, 2015 by Tameka*

**Math**

I need a step by step solution to this problem. I'm preparing for the GKT and I can't remember how to solve these problems. This is just a sample question from the gkt practice packet. A building 51 feet tall casts a shadow 48 feet long. Simultaneously, a nearby statue...
*Wednesday, August 19, 2015 by Amanda*

**Math**

At the beginning of the summer Molly decided to add a little money into her savings account every week. After seven weeks her account had $175. At the end of 15 weeks her account had $375. Assumed that she put the same amount of money into her savings account every week and ...
*Wednesday, August 19, 2015 by Christy*

**math**

A gallon of a certain kind of paint will cover 224 square feet of surface. In painting two walls; one 36' by 8' and the other 24' by 9', the number of gallons of paint used is: I'm sorry I don't really know what to do, could someone please explain?
*Wednesday, August 19, 2015 by Dalina*

**Math**

The mass of Pluto is approximately 1 × 1022 kg, while the mass of Neptune is approximately 1 × 1026 kg. Which of the following is true? The mass of Pluto is approximately one thousand times that of Neptune. The mass of Neptune is approximately one thousand times ...
*Wednesday, August 19, 2015 by Anonymous*

**Math**

Given that <1 and <2 are supplementary angles and that m<1=115 , explain how to find the measure of the complement of <2. Instead of giving just the answer can you explain in words of how you got the answer please!
*Wednesday, August 19, 2015 by Chanel *

**math**

all of the following are coordinates on the same straight line except: A) (0,2) B) (3,11) C) (5,15) D) (7,23) E) (x,3x+2)
*Wednesday, August 19, 2015 by James*

**math, science, everything else for 10th grader**

If sec x = 17/8; verify that 3 - 4sin^2x /4cos^2x -3 = 3- tan^2x / 1-3tan^2x.. I have used x in place of theta. It isn't multiplication symbol.. ^2 means to the power 2. Pls help
*Wednesday, August 19, 2015 by Agile*

**math**

Mbali has to add the following numbers but her calculator does not have a fraction key, help her to add numbers using her calculator 3 1/9;2 5/6-21/4;1 1/5
*Wednesday, August 19, 2015 by amira*

**Math**

I have 5 problems. Write a mathematical expression to represent each situation. Then find the value of the expression to solve the problem. 1. You play a game where you score -6 points on the first turn and on each of the next 3 turns. What is your score after those 4 turns? ...
*Wednesday, August 19, 2015 by anon*

**math help**

(-1.15) x 3.2 = Please help me I have to use steps also.
*Wednesday, August 19, 2015 by ttng*

**Math **

(05.01)A scale drawing of a living room is shown below: A rectangle is shown. The length of the rectangle is labeled 3 inches. The width of the rectangle is labeled 5.5 inches. The scale is 1 to 30. What is the area of the actual living room in square feet? Round your answer ...
*Wednesday, August 19, 2015 by Anonymous*

**Math**

Simplify 2 +(5x4+3). I believe the answer is 25
*Wednesday, August 19, 2015 by Lost*