Thursday

September 18, 2014

September 18, 2014

Total # Posts: 55

**ALGEBRA**

Yes that's what I meant, Damon, sorry. I'm not getting the whole factoring thing with foil. I thought foil was using distributive with binomials. I understand that 5+6=11, but so does 10+1 or 7+4. Don't understand the second or third one either. Please explain how ...
*September 5, 2014*

**ALGEBRA**

Factor each expression completely. show some sort of check to confirm your answer. (hint: think FOIL) x^2+11+30 x^2-5x-14 9x-16
*September 5, 2014*

**MATH WORD PROBLEMS**

ok. in the part A the answer is 7 5/6 ft. I don't know how they got there, same with Part B. I need to show the work. When I divided I didn't get the same answer. Please show me.
*July 25, 2014*

**MATH WORD PROBLEMS**

PART A Camilla has a rectangular print that is 34 inches wide and 26 inches tall. She wants to center it on the wall above the television in her living room. The television is placed i front of a rectangular wall in the living room that is 18 1/2 feet long and 9 3/4 feet tall...
*July 25, 2014*

**Math - Pleeeease**

I didn't learn trig. I'm in 7th grade. I did't learn it. Can you simplify it without trig please? I have a half hour before i leave for school
*May 8, 2014*

**Math - Pleeeease**

Two planes take off at a ny airport. The first plane climbs at an angle of 45 degrees with respect to the ground and reaches an altitude of 5600 feet. The second plane climbs at an angle of 60 degress with respect to the ground and reaches an altitude of 8200 feet. To the ...
*May 8, 2014*

**Math Word Problem %**

Thanks Ms. Sue. I was thinking it was 3/8 because people work 8 hour day but my answer was definitely wrong. Thanks for the help
*May 8, 2014*

**Math Word Problem %**

lisa spend 3 hours driving to and from work each work day. what percent of her day does she spend driving to and from work each work day?
*May 8, 2014*

**WORD PROBLEMS UGH**

Please Check it - I think I may have figured it out. 1) 1/2 lb cereal and .48 lb. of pretzels 2) 78 Am I right? :-)
*May 6, 2014*

**WORD PROBLEMS UGH**

1) A party mi is made from pretzels that cost $2 lb. and cereal that costs $2.40 lb. If a total of 4 pounds is made and the cost for the mix is $2.15 a pound, how many pounds of each ingredient are used? 2) When the tens digit of a two digit number is added to three times the ...
*May 6, 2014*

**MATH FACTOR POLYNOMIALS**

thanks so much - but I have no idea what you did. why is it +3-1=2. How did you get to this? Is there a rule?
*April 18, 2014*

**MATH FACTOR POLYNOMIALS**

Factor the polynomial. Please show all work. x^2+2x-3
*April 18, 2014*

**MATH UGH WORD PROBLEM**

About 7.5 gallons of water occupy one cubic foot. About how many gallons of water are in a clindrical water tank with dimensions with 100 ft radius and 40 ft height.
*April 1, 2014*

**MATH WORD PROBLEM**

Diego works at a toy store. His boss tells him to order 420 stuffed bears and toy cars. He must order 4 stuffed bears for every 3 toy cars. a) If he must order 9 large stuffed bears for every 7 small stuffed bears, how many of each stuffed bear should he order? b) If Diego ...
*March 27, 2014*

**MATH - CONFUSED!!!**

5/12 = -2/3 c The answer is c=-5/8 I can't figure out how they got this answer. Please show and explain the work. Thank you.
*March 11, 2014*

**Subsitution Method Grrr**

Actuaally, it was a word problem and that's the equation I got out of it. Here is the word problem. Students sold 275 tickets for a fundraiser at school. Some tickets are for the children and cost $3 while the rest are adult tickets that cost $5. If the total value of all ...
*February 11, 2014*

**Subsitution Method Grrr**

Please show me the steps and solve. 3x+5y=1025 x+5=275
*February 11, 2014*

**EARTH SCIENCE- SO STUCK**

thanks, i got that too, my fault i should've included the options 1.7 x 10^3 9.9 x 10^3 3.5 x 10^3 4.7 10^3
*January 28, 2014*

**EARTH SCIENCE- SO STUCK**

How far from an earthquake epicenter is a city where the difference between the P-wave and the S-wave arrival times is 5 minutes and 00 seconds?
*January 28, 2014*

**Scientific Notation - PLEASSEE**

THANK YOU, thank you. I am sooo lost. I understand up to 30*10^6. I'm not sure what part is A and what part is B. Please explain in very simple terms. Thanks:-)
*November 20, 2013*

**Scientific Notation - PLEASSEE**

A rectangular yard had a length of 0.006 kilometer and a width of 5x10^-3 kilometers. A. Use scientific notation to express the ares of the yard in kilometers, showing each step in the process. B. Convert the area into square meters using the conversion below. 1 sq. kilometer...
*November 20, 2013*

**MATH - Standard Form**

Why is the final answer 1.292 *10^-3 instead of 10^-6? isn't 0.001292 = 10^-6?
*November 20, 2013*

**MATH - Standard Form**

Mohammed copied this problem into his notebook. (3.4x10^5)(3.8x10^-9) A. Use the associative and commutative properties to rearrange the factors. B. Find the product and write it in standard form.
*November 20, 2013*

**Math Properites**

Mohammed copies this problem into his notebook (3.4x10^5)(3.8x10^-9) A. Use the associateve and commutatitive properties to rearrange the factors. B. Find the product. Write the product in standard form.
*November 20, 2013*

**Math Exponenet Word problem**

A microscope is set so it makes an object appear 4x10^2 times larger than its actual size. A virus has a diameter of 2x10^-7 meter. How large will the diameter of the virus appear when it is viewed under the microscope?
*November 20, 2013*

**Math Expoents**

One microgram is equal to 1x10^-6 gram. If the mass of a substance is 8x10^9 micrograms, what is its mass in grams? a) 1.25x10^-15 b) 1.25x10^-3 c) 8x10^3 d) 8x10^15
*November 20, 2013*

**Substituion MATH**

Jai - it was -5x+10y=60. Typo - wow so sorry - but now was my answer right?
*October 31, 2013*

**Substituion MATH**

Jai - thanks. I tried #1 before you answered and I hot x=32 and y = 6. Wrong??? It worked out in the check Also, tried #2, getting real lost with the fractions:( Please Help!
*October 31, 2013*

**Substituion MATH**

1) -x+10y=60 -4x+16y=32 2) -1/2x - 1/4y=3 1/3x+1/6y=2
*October 31, 2013*

**Substution Soluton MATH**

Reiny I don't understand the second part of number 3. Please explain. Actually I really didn't understand the whole thing. Why did you subtract the two equations? than when you got the answer for x I don't even know what happened after that
*October 31, 2013*

**Substution Soluton MATH**

1. y= -5x+2 y=3x-14 2. x+y=0 5x+y=4 3. 6x+2y=4 4x+2=8
*October 31, 2013*

**MATH WORD PROB Function**

To rent a conoe, you pay a fee of $25 and an hourly rate of $5. Express the total cost of a rental as a function of hours, h. Then use the fuction to dertmine the total cost to rent a conoe for 8 hours. The equation should be written in slope intercept form
*October 16, 2013*

**MATH**

Oscar is giving his mother a new acquarium in the shape of a rectuangular prism. He is going to wrap it in colorful wrapping paper. He know that he needs exactly 2,948 square inches of paper to wrap the aquarium. If the acuqarium is 40 inches long and 18 inches wide, what is ...
*October 16, 2013*

**Math word problem**

I thought that - but it seemed too logical of an answer. Thanks.
*October 16, 2013*

**Math word problem**

claudia went on a skydiving adventure. she jumped when the plane was at an altitude of 10,000 feet and landed safely on the gound at sea level. whhich integer best represent claudia's elevation in feet when she landed? a. -10,000 b. 0 c. 5,000 d. 10,000
*October 16, 2013*

**MATH Word Problem**

A pedestal for a statue is in the shape of a hexagon formed by a square and two congruent triangles, with the dimensions 7 ft length and 4 feet height. What is the area of the top surface of this pedestal? a) 19 sq. ft b) 22 sq ft c) 25 sq. ft d) 28 sq, ft
*October 16, 2013*

**MATH**

So, D? 16
*October 16, 2013*

**MATH **

Li-Hua wants to create a triangular fame. She has two pieces of wood, which are 6 inches long and 9 inches long, to use for two sides of the triangle. Which of the following CANNOT be the lenth of the third frame and why? a) 4 inches b) 6 inches c) 13 inches d) 16 inches
*October 16, 2013*

**math integers**

-2-(-3)-(-4)+5+6= Please show work I get 14 and when I do it on a calculator its 16
*September 23, 2013*

**Math - MAD**

What is the mad of the data? 6, 15, 7, 14, 11, 13, 15, 15 I think 1) Find the mean, 2) subtract each # in the list from that mean 3) find the mean of those #s and thats the Mad. I've done this and my answer is not an option on the multiple choice. PLEASE HELP
*July 17, 2013*

**Math Geometry**

a shipping crate carrying e readers has a length of 19 1/3 feet, a width of 7/23 feet, and a height of 7 5/6 feet. Whaat is the volume of the shipping crate? Show your work. i know V=lwh , but I'm getting the wrong answer! Please help. I got 58/3 x 23/3 x 47/6 = 62.698/54=...
*July 9, 2013*

**Math Geometry**

a shipping crate carrying e readers has a length of 19 1/3 feet, a width of 7/23 feet, and a height of 7 5/6 feet. Whaat is the volume of the shipping crate? Show your work. i know V=lwh , but I'm getting the wrong answer! Please help.
*July 9, 2013*

**Math**

a rectangular prism has a length of 1/2 fofoot and a height of 1/4 foot. what is the width of the right rectangular prism if its volume is 1/4 foot?
*July 9, 2013*

**math**

nisha is putting 64 cookies and 40 truffles into gift boxes. Each box willhave the same number of cookies and chocolate truffles. What is the reatest number of boxes Nisha can make with no cookies or chocolate truffles left over? I guessed 8 because it goes into 64 and 40 - ...
*July 8, 2013*

**math**

hasan ran 3 miles in 18.342 minutes. Safaya ran the same distance is 19.291 minutes. How much longer did it take safays to run 3 miles than hasan?
*July 1, 2013*

**math**

nisha is following a recipe for tomatoe sauce that calls for 1 3/4 tsps of oregano. she is using a measuring spoon that holds 1/8 tsp. how many times ill she need to fill the measuring spoon with oregano to make the tomato sauce? I thought it was multiplication, but I was wrong:(
*July 1, 2013*

**math**

x/2+x/3=5
*June 9, 2013*

**math**

a school sold $5 magnets for a 50% markup. they sold 120 magnets and spent $95 on supplies for the event. what was their total profit?
*May 30, 2013*

**math**

a school sold $5 magnets for a 50% markup. they sold 120 magnets and spent $95 on supplies for the event. what was their total profit?
*May 30, 2013*

**math**

The student council has a canned food drive. They collected a total of 63 cans on Wednesday. This is 21% of the total. How many canned goods were collected in all?
*May 9, 2013*

**math**

according to the school survey, 12% of the students at rockwood junion high school seak spanish. There are 36 students at the school who speak spanish. How many students were surveyed?
*May 9, 2013*

**math**

hiroshi borrowed 3 non ficktion books from the library. This was 25% of the books he checked out. How many books did Hiroshi check out?
*May 9, 2013*

**Math**

Simplify: 5/3x + 2/x A) 7/4x B)3/x C)11/3x D) 7/2x My answer is (D).. Can someone tell me if this is the right answer?
*May 4, 2012*

**clothing and textiles**

what is meant by the term "controlling/disposing of fullness" ?
*February 1, 2010*

**mathh (unit rate)**

explain how to write 20 miles over 4 hours as a unit rate
*September 15, 2009*

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