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April 20, 2014

April 20, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**Math**

6/20 = ? 9/50 = ?
*Tuesday, April 8, 2014 at 10:10pm*

**Math**

Anita says the plus sign + forms 2 pairs of vertical angles. Charles says it forms 2 pairs of congruent angles. Who is correct? Explain.
*Tuesday, April 8, 2014 at 10:10pm*

**Math**

8 divided by 3/10 = 8 times 10/3= 26.6 repeating decimal 10/3= 3 1/3
*Tuesday, April 8, 2014 at 10:09pm*

**5th grade math **

On Friday and Saturday, 618 people attended a car show. If the same number of people went each day,how many people attended the car show on Saturday? My answer is 1,236. Is my answer correct? If not please show me how to work this problem.
*Tuesday, April 8, 2014 at 10:07pm*

**Math**

9/10?
*Tuesday, April 8, 2014 at 10:06pm*

**Math**

Pay can buy a package of 20 balloons for $6 or a package of 50 for $9. How much cheaper is each balloon in the package of 50 balloons?
*Tuesday, April 8, 2014 at 10:01pm*

**math**

You're welcome.
*Tuesday, April 8, 2014 at 9:55pm*

**math**

Thanks :)
*Tuesday, April 8, 2014 at 9:54pm*

**math**

Yes.
*Tuesday, April 8, 2014 at 9:53pm*

**math**

So it's 40%?
*Tuesday, April 8, 2014 at 9:50pm*

**math**

Divide: 1.50 / 3.75 = ? Multiply your decimal answer by 100 to get the percentage.
*Tuesday, April 8, 2014 at 9:49pm*

**math**

Divide: 31/40 = 0.775 = 77.5%
*Tuesday, April 8, 2014 at 9:47pm*

**math**

What % of $3.75 is $1.50?
*Tuesday, April 8, 2014 at 9:46pm*

**Math**

A number cube with numbers 1 through 6 is rolled. Find the given probability. P(number<2) A. 1/6* B. 2/6 C. 4/6 D. 3/6
*Tuesday, April 8, 2014 at 9:46pm*

**math**

Brendan got 31 questions correct on his social studies test and missed 9 questions. What percent did he have correct?
*Tuesday, April 8, 2014 at 9:45pm*

**math**

Mrs. Grace has 10 sandwiches that are 4 inches in diameter. They can fit exactly into a different box... Need to show work in box, help, can't seem to figure this out
*Tuesday, April 8, 2014 at 9:42pm*

**3rd grade math**

1 Whole pizza
*Tuesday, April 8, 2014 at 9:41pm*

**Math word problems**

L = 15x + 15y L = 15(x + y) x = 5 3/8 Yards y = 3/4 Yard L = Total length x + y = 5 3/8 + 3/4 = 43/8 + 6/8 = 49/8 = 6 1/8 Yards. L=15 * 49/8 = 91.875 Yards = 91 7/8 Yds.
*Tuesday, April 8, 2014 at 9:36pm*

**Math (Please Help Ms. Sue)**

The surface area of two similar solids is proportional to the square of their corresponding sides, so the square of the "doubling" is 2^2 or 4 So the surface area is quadrupled or let the original dimensions be l , w, and h surface area = 2lw + 2lh + 2 wh = 2(lw + lh...
*Tuesday, April 8, 2014 at 9:27pm*

**Math**

700 eggs will be needed
*Tuesday, April 8, 2014 at 9:25pm*

**Math**

I agree it quadruples.
*Tuesday, April 8, 2014 at 9:24pm*

**Math - I don't know**

Sorry.
*Tuesday, April 8, 2014 at 9:20pm*

**math**

You're welcome, Ezekiel.
*Tuesday, April 8, 2014 at 9:19pm*

**math**

Thanks Ms. Sue for your help
*Tuesday, April 8, 2014 at 9:05pm*

**Math (Please Help Ms. Sue)**

what happens to the surface area of a rectangular prism when each of the dimensions is doubled? 1. it doubles 2. it quadruples 3. it is six times greater 4. it is halved
*Tuesday, April 8, 2014 at 9:03pm*

**math**

You're right.
*Tuesday, April 8, 2014 at 8:58pm*

**Math**

what happens to the surface area of a rectangular prism when each of the dimensions is doubled? 1. it doubles 2. it quadruples 3. it is six times greater 4. it is halved (I picked 2. Quadruples)
*Tuesday, April 8, 2014 at 8:55pm*

**math**

Which of the following decimals is equivalent to three and ten hundredths? a)0.30 b)0.31 c)3.01 d)3.1 My answer is (d.)
*Tuesday, April 8, 2014 at 8:55pm*

**Math - Please Check My Answers**

Thank you, Dayton! :)
*Tuesday, April 8, 2014 at 8:50pm*

**Math - Please Check My Answers**

For 3, I don't see anything wrong with the work unless the initial equation is supposed to be sqrt(4x)-6=12 in which case the squaring wasn't done correctly, but based off what I see there D IS correct. For 4, A is the correct answer. You cannot take the square root of...
*Tuesday, April 8, 2014 at 8:45pm*

**Math**

8/270 = x/72.5 Cross multiply and solve for x.
*Tuesday, April 8, 2014 at 8:39pm*

**Math**

Drinking 8 fluid ounces of milk provides 270.0 milligrams of calcium. How many fluid ounces of milk provide 72.5 milligrams of calcium? Round to the nearest tenth.
*Tuesday, April 8, 2014 at 8:33pm*

**math**

For its fleet of trucks, Overland Transport, Inc., purchased 580 tires rated at 50 pounds each. The tires had a retail price of $85 each. The sales tax in 4.5%, and the federal excise tax is $0.15 per pound. A. What are the amount of sales tax per tire and the total sales tax...
*Tuesday, April 8, 2014 at 8:25pm*

**Math**

Can someone show me a model of what 8 divided by 0.3 would look like? Thanks
*Tuesday, April 8, 2014 at 8:17pm*

**math**

jeff uses 3 fifth-size strips to model 3/5.He wants to use tenth-size strips to model an equivalent fraction. How many tenth-size strips will he need
*Tuesday, April 8, 2014 at 8:08pm*

**Math**

Convert these fractions to their equivalents with a common denominator. Or use equivalent decimals.
*Tuesday, April 8, 2014 at 8:05pm*

**Math **

7/12, 3/4, and 2/3 in order which one is the smallest to the greatest?
*Tuesday, April 8, 2014 at 8:03pm*

**MATH VERY URRRGENT!!!!!!!!!!!!!**

A combination lock is actually a permutation lock because the order in which you spin the numbers on a dial matters.
*Tuesday, April 8, 2014 at 7:54pm*

**Math**

See previous post: Sat, 4-5-14, 10:04 PM.
*Tuesday, April 8, 2014 at 7:49pm*

**MATH VERY URRRGENT!!!!!!!!!!!!!**

Create two different situations: one in which you use combinations and one in which you use permutations. Include specific details and an explanation about what makes each situation either a combination or permutation.
*Tuesday, April 8, 2014 at 7:48pm*

**Math - Please Check My Answers**

Please help me by checking the following answers for me(There are 3 problems that I need someone to check). 3. A student is attempting to solve the equation below for the variable x. Which of the statements below best applies to the mathematical work shown? Given √(4x-6...
*Tuesday, April 8, 2014 at 7:42pm*

**Math**

How does 26.666 equal 26.2? Could you show me a model of how to do this? Thank You
*Tuesday, April 8, 2014 at 7:41pm*

**math**

6 3/4 + 4 + 7 3/4 + 8 + 5 2/4 = 30 8/4 = 32 hours 32 * 7.2 = ?
*Tuesday, April 8, 2014 at 7:20pm*

**Math**

A bank lent $1.2 million for the development of three new products, with one loan each at 6%, 7%, and 8%. The amount lent at 8% was equal to the sum of the amounts lent at the other two rates, and the bank's annual income from the loans was $88,000. How much was lent to ...
*Tuesday, April 8, 2014 at 7:15pm*

**math**

If Sue worked 6 3/4 hours on Monday, 4 hours on Tuesday, 7 3/4 hours on Wednesday, 8 hours on Thursday, and 5 1/2 hours on Friday, calculate her weekly wage at $7.20 per hour.
*Tuesday, April 8, 2014 at 7:13pm*

**Gr 10 math - finding vertices**

I know how to do the equation for one line in a shape, but how do I find them for two?
*Tuesday, April 8, 2014 at 7:13pm*

**Math**

A 3500-seat theater sells tickets for $75 and $110. Each night the theater's expenses total $245,000. When all 3500 seats sell, the owners want ticket revenues to cover expenses plus earn a profit of 25% of expenses. How many tickets of each price should be sold to achieve...
*Tuesday, April 8, 2014 at 7:13pm*

**math**

300/0.5 = 600
*Tuesday, April 8, 2014 at 7:06pm*

**math**

Frank owns 300 acres of land. If he divides the land into 1/2 acre plots, how many plots will he have?
*Tuesday, April 8, 2014 at 7:05pm*

**Math**

2/3 = 0.67 3/4 = 0.75
*Tuesday, April 8, 2014 at 6:44pm*

**Math**

Is 2/3 greater than 3/4
*Tuesday, April 8, 2014 at 6:33pm*

**Math**

yes
*Tuesday, April 8, 2014 at 6:31pm*

**math**

36/143 = 0.2517 = 25.17%
*Tuesday, April 8, 2014 at 6:30pm*

**math**

36 is what percent of 143?
*Tuesday, April 8, 2014 at 6:26pm*

**math**

the odds are against 2/7. Meaning 2 out of 7 chances you are going to have s. And 5 out of 7 you will not get S.
*Tuesday, April 8, 2014 at 6:22pm*

**math**

Sukmadiq Liquamadiq Munchmaquchi
*Tuesday, April 8, 2014 at 6:13pm*

**Math**

idiot butt holes didn't even have the answer
*Tuesday, April 8, 2014 at 6:09pm*

**MaTh**

A pick up teuck
*Tuesday, April 8, 2014 at 6:05pm*

**math**

Jamal writes the letters K-A-N-S-A-S on cards and then places the cards in a hat. What are the odds against picking an S?
*Tuesday, April 8, 2014 at 5:27pm*

**math**

four angles are put together, forming a straight angle. two of the angles are the same size. the other two angles are also the same size but different from the other two. If one of the angles is 40 degrees, what are the measures of the other three? please explain
*Tuesday, April 8, 2014 at 5:24pm*

**Math**

C = pi * d A = pi * r^2 A = 3.14 * 9^2 A = 254.34 square units
*Tuesday, April 8, 2014 at 5:07pm*

**Math**

If the circumference of a circle is 18 ( pie symbol), what is the area of the circle? Thanks
*Tuesday, April 8, 2014 at 5:04pm*

**3rd grade math**

Imagine a pizza cut into 6 equal pieces. Your brother eats all 6 pieces. He ate the whole darn pizza! 6/6 = 1
*Tuesday, April 8, 2014 at 4:30pm*

**math**

The product of square of a number and the cube of the same number is equal to 32 what is that number
*Tuesday, April 8, 2014 at 4:23pm*

**Math**

6
*Tuesday, April 8, 2014 at 4:22pm*

**3rd grade math**

Explain how you know 6/6 and 1 are equivalent?
*Tuesday, April 8, 2014 at 4:14pm*

**math**

Speed = 65 miles per hour
*Tuesday, April 8, 2014 at 3:58pm*

**math**

A. Substitute the numbers for x and calculate for y. B. Substitute the $62 for y and solve for x.
*Tuesday, April 8, 2014 at 3:53pm*

**Math**

218/245 * 360º = ?
*Tuesday, April 8, 2014 at 3:47pm*

**math**

n + 7p = 5.55 3n + 2p = 12.28 Multiply first equation by 3, then subtract one equation from the other. 3n + 21p = 16.65 19p = 4.37 You should be able to take it from here.
*Tuesday, April 8, 2014 at 3:41pm*

**Math - Check My Answers, Please**

Please help me by checking the following answers for me. 3. A student is attempting to solve the equation below for the variable x. Which of the statements below best applies to the mathematical work shown? Given √(4x-6)=12, I square both sides, so (√4x)^2-6=&#...
*Tuesday, April 8, 2014 at 3:29pm*

**math**

Write an equation for the realartionship. Tell what the variables represent. It takes Li 1 hour to drive 65 miles, 2 hours to dirve 130 miles, and 3 hours to drive 195 miles.
*Tuesday, April 8, 2014 at 3:10pm*

**7th grade math Ms. Sue please**

Im in con nexus too 7th grade :)
*Tuesday, April 8, 2014 at 2:57pm*

**math riddle ALGEBRA WITH PIZZAZZ**

LOL
*Tuesday, April 8, 2014 at 2:54pm*

**Math**

x ^ a * x ^ b = x ^ ( a + b ) 2 ^ 2 * 2 ^ 8 = 2 ^ ( 2 + 8 ) = 2 ^ 10 ( 2.5 * 10 ^ 4 )( 4 * 10 ^ 3 ) = 2.5 * 4 * 10 ^ ( 4 + 3 ) = 10 * 10 ^ 7 = 10 ^ 1 * 10 ^ 7 = 10 ^ ( 1 + 7 ) = 10 ^ 8
*Tuesday, April 8, 2014 at 2:13pm*

**Math**

Thank you, Steve! I really appreciate it. :)
*Tuesday, April 8, 2014 at 2:11pm*

**Math (help)**

what is the length of the radius of the LARGER cone(the LARGER cone has a slant height of 15) when the SMALLER cone has a radius of 8 and a slant height of 12ft ,please help.
*Tuesday, April 8, 2014 at 2:07pm*

**Math**

8 people are going to sit on 6 chairs. Two of them John and Kelly can't sit next to each other. How many ways can you put the people to seats? The answer is 10080, but I can't figure out how to calculate it.
*Tuesday, April 8, 2014 at 2:06pm*

**Math**

Write the expression using a single exponent. 2^2 * 2^8 A. 4^10 B. 2^10 C. 4^16 D. 2^16 Write the expression using scientific notation. (2.5 * 10^4)(4 * 10^3 A. 10 * 10^7 B. 10 * 10^8 C. 1 * 10^8 D. 10 * 10^12
*Tuesday, April 8, 2014 at 2:04pm*

**math multiple choice**

13.75 + [0.6(55,000/200)] = ?
*Tuesday, April 8, 2014 at 1:31pm*

**math multiple choice**

13.75 + 55000(.60/200) = 178.75
*Tuesday, April 8, 2014 at 1:29pm*

**math multiple choice**

. A man pays 60 cents for every 200m3 of gas used, plus a fixed charge of $13.75.How much does he pay when he uses 55 000m3 gas?
*Tuesday, April 8, 2014 at 1:19pm*

**Math**

D
*Tuesday, April 8, 2014 at 12:58pm*

**Math**

In the expression -7x - 5x^2 + 5, what is the coefficient of x? A. 7 B. 5 C. -5 D. -7
*Tuesday, April 8, 2014 at 12:44pm*

**math**

12
*Tuesday, April 8, 2014 at 12:42pm*

**Math**

#2 f? x? I get 5f^2 + 11f - 2 #3 B #4 coefficients are the numbers multiplying the powers of x. So, B the final -3 is not a coefficient; it's just a constant.
*Tuesday, April 8, 2014 at 12:34pm*

**Math**

2. C 3. B 4. I'm not sure.
*Tuesday, April 8, 2014 at 12:30pm*

**Math**

1A what did you get for the others?
*Tuesday, April 8, 2014 at 12:28pm*

**Math**

well, there's algebraic algebraically those are the only words I can think of right off where I can "form the word algebra". Git
*Tuesday, April 8, 2014 at 12:26pm*

**Math**

1. Add or subtract. (4x^2 + 15x -3) - (-3x^2 + 5) A. 7x^2 + 15x - 8 B. x^2 + 12x + 2 C. x^2 + 15x - 8 D. 7x^2 + 8 2. Simplify the polynomial. -3f^2 + 4f - 3 + 8f^2 + 7f + 1 A. 5x^2 - 4x - 2 B. -5x^2 + 8x - 2 C. 5x^2 - 8x + 2 D. -9x^2 - 8x + 2 3. Add or subtract. (2x^2 + 6x + 1...
*Tuesday, April 8, 2014 at 12:20pm*

**Math? Science?**

??
*Tuesday, April 8, 2014 at 12:09pm*

**math**

All are right. :-)
*Tuesday, April 8, 2014 at 12:06pm*

**math**

Activity Boys Girls Total Walk 3 6 Bike 5 3 skateboard 2 1 3. What percentage of the total students chose skateboarding? (1 point) 10% 20% 30% none of these *** 4. What percentage of the boys chose walking? (1 point) 30% **** 45% 25% none of these 5. What percentage of the ...
*Tuesday, April 8, 2014 at 11:49am*

**math**

height/30 = sin 65 height = 30sin65° = .....
*Tuesday, April 8, 2014 at 10:02am*

**math**

if a 30 ft ladder makes a 65 degree angle with the ground, how many fee up the wall will it reach
*Tuesday, April 8, 2014 at 9:35am*

**Math**

The way you worded it , we could form 3 letter words, or 5 letter words, etc. In other words, it becomes a "Scrabble" type question and not really a math question. Is that what you need ? or is it, "in how many ways can we arrange all the letters of the word ...
*Tuesday, April 8, 2014 at 9:18am*

**Math**

In how many words can you form the word ALGEBRA?
*Tuesday, April 8, 2014 at 7:18am*

**Math**

In how many words can you form the word ALGEBRA?
*Tuesday, April 8, 2014 at 7:16am*

**Math**

correct since the legs are hypotenuse/√2, √6/√2 = √3 check: √3^2 + √3^2 = √6^2 3 + 3 = 6
*Tuesday, April 8, 2014 at 5:08am*

**Math (help)**

don't know what steps you want. The area of a cone is a = 2πr(r+s) just plug in the values for r and s
*Tuesday, April 8, 2014 at 5:07am*

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