Wednesday

May 27, 2015

May 27, 2015

**Math 222**

Please help me solve this Quadratic Formula with steps on how you got the answer. Sorry my addition and equal button doesn't work. -x^2 plus 3x plus 5 equal 0
*Thursday, April 23, 2015 at 4:54pm*

**Math 222**

Please help me factor this with steps on how you got the answer. Sorry my addition and equal button is not working a^2-6a plus 9 equal 0
*Thursday, April 23, 2015 at 4:52pm*

**math**

in a science experiment the temperature of a liquid dropped 30 degrees over 6 hours what integer shows the average hourly temperature change of the liquid
*Thursday, April 23, 2015 at 4:52pm*

**Math 222**

Please help me simplify this expression a^1/3 ______________ a^-3/2 a^1/2
*Thursday, April 23, 2015 at 4:32pm*

**Math 222**

How do I write this as a radical expression? a^7/8
*Thursday, April 23, 2015 at 4:11pm*

**Math 222**

Please help me simplify this as much as possible. Sorry no square root symbol 4 u square root 50x^3 - x square root 32xu^2
*Thursday, April 23, 2015 at 4:10pm*

**Math**

identify the sequence as arithmetic, geometric, or neither. Explain your answer. 1.6, 0.8, 0.4, 0.2. plz help me I'm really confused.
*Thursday, April 23, 2015 at 4:07pm*

**Math**

1. which is a rule that describes the translation of point from (-5, 4) to (-1, 2) A (x,y) --> (x - 4, y - 2) B (x,y) --> (x + 4, y - 2) (my answer) C (x,y) --> (x + 4, y + 2) D (x,y) --> (x - 4, y + 2) 2. the ordered pairs (2, -17) and (5, -35) are solutions to ...
*Thursday, April 23, 2015 at 3:27pm*

**Math 7th Grade**

1. which is a rule that describes the translation of point from (-5, 4) to (-1, 2) A (x,y) --> (x - 4, y - 2) B (x,y) --> (x + 4, y - 2) (my answer) C (x,y) --> (x + 4, y + 2) D (x,y) --> (x - 4, y + 2) 2. the ordered pairs (2, -17) and (5, -35) are solutions to ...
*Thursday, April 23, 2015 at 2:30pm*

** college math**

Write each ratio or rate as a fraction in simplest form. l 1/2 to 3/4 That's One and one half to three fourths I think the answer is 2/1
*Thursday, April 23, 2015 at 2:17pm*

**Math**

Can someone please explain to me how to solve this: Simplify 6P2. A) 30 B) 15 C) 12 D) 720
*Thursday, April 23, 2015 at 2:09pm*

**Math. (Please Help)**

Andrew decides to wait until age 65 to begin receiving Social Security benefits. Find the present value of his estimated $26,000 per year in payment assuming 6% per year and payment until his 90th birthday. a. $265,263.20 b. $332,3667.36 c. $338,082.42 d. $281.059.48
*Thursday, April 23, 2015 at 11:43am*

**Math**

Simplify the expression 6P3. I don't know how to solve it so if you could help me with it as well i would really appreciate it.
*Thursday, April 23, 2015 at 10:39am*

**Math - Probability **

A spinner is divided into 11 equal sections numbered from 0 to 10. You spin the spinner once. What is P(even)? a. 3/5 b. 1/2 c. 5/11 d. 6/11
*Thursday, April 23, 2015 at 10:31am*

**math**

.5 into 5280. divided with simple strategie and got 280. am i right . will you help me?
*Thursday, April 23, 2015 at 9:53am*

**7th grade math**

Can you check the following problem? (forgot to incl last night) 1. Which is an equivalent equation to (2/3)x - 1 = 1/2 that does not contain fractions? (2/3)x = 1 + 1/2 (2/3)x = 3/2 x = 3/2 * 3/2 x = 9/4 x = 2 1/4 A. 4x - 6 = 3 4x = 9 x = 9/4 x = 2 1/4 B. 4x - 2 = 3 4x = 5 x...
*Thursday, April 23, 2015 at 7:36am*

**college math**

sorry forgot to give the figures 3.32 divided by 4 x 10 round to nearest thousandth if necessary I have 8.3
*Thursday, April 23, 2015 at 6:59am*

**College math**

Perform the indicated operations. Round division answers to the nearest thousandth if necessary. I have the answer 8.3, did not think you needed to round the thousandth.
*Thursday, April 23, 2015 at 6:57am*

**math**

There are 45 questions in a Mathematics quizbee. For every correct answer, 5 marks are awarded and 3 marks for every wrong answer. If sofia scored 185 points, how many questions did she answer wrongly.
*Thursday, April 23, 2015 at 12:39am*

**math**

A video rental company offers a plan that includes a membership fee of $8 and charges $2 for every DVD borrowed. They also offer a second plan, that costs $14 per month for unlimited DVD rentals. If a customer borrows enough DVDs in a month, the two plans cost the same amount...
*Thursday, April 23, 2015 at 12:39am*

**Math**

What part of a mile is 1 rod
*Thursday, April 23, 2015 at 12:37am*

**Math**

you have four $1 bills, two $5 bills, five $10 bills, and five $ 20 bills in your wallet. You select a bill at random. Without replacing the bill, you choose a second bill. What is P($1, then$ 10)?
*Wednesday, April 22, 2015 at 11:56pm*

**math**

If 25 dimes were moved from Box A to Box B, there would be an equal number of dimes in both boxes. If 100 dimes were moved from Box B to Box A, the ratio of dimes in Box A to Box B would be 7 : 2. What was the original number of dimes in Box A?
*Wednesday, April 22, 2015 at 11:23pm*

**Math**

An object weighing 6000# traveling at 60 mph hits a wall. What is the force of impact ?
*Wednesday, April 22, 2015 at 11:11pm*

**Math**

Find the slope of the of these coordinates. (2,-3)and (4,4) A. -2/7 B. -7/2 C. 2/7 D. 7/2 Is the answer A? Thank you
*Wednesday, April 22, 2015 at 10:39pm*

**math**

On a 3 day hike, Robert hiked twice as many miles on the first day as on the second day. On the third day he hiked 5 miles. Carlos hiked 5 miles on the first day and three times as many miles as on the second day as on the third day. (a) Write and simplify an expression for ...
*Wednesday, April 22, 2015 at 10:35pm*

**Math**

Points W(-5,3), X(-1,6), and Y(5, -2) are three vertices of a rectangle. Determine the coordinates of the fourth vertex.
*Wednesday, April 22, 2015 at 10:33pm*

**Math**

What is the cost of laying carpet in a living room that measures 25ft by 15ft. If the cost of the carpet is $15 per square yard (plus tax) and labor is $5 per square yard?
*Wednesday, April 22, 2015 at 10:30pm*

**math**

It was a typo. It should have said Robert instead of Matt. Please help me
*Wednesday, April 22, 2015 at 10:19pm*

**Math**

Determine the value of y so that the line segment with endpoints P(3, y) and Q(-3, -1) is parallel to the line segment with endpoints R(-4, 9) and S(5,6).
*Wednesday, April 22, 2015 at 10:10pm*

**math**

On a three day hike, Robert hiked twice as many miles on the first day as on the second day. On the third day he hiked 5 miles. Carlos hiked 5 miles on the first day and three times as many miles on the second day as on the third day. (a) Write and simplify an expression for ...
*Wednesday, April 22, 2015 at 10:08pm*

**Math**

A line segment has endpoints C(-3,-6) and D(-6,-4). Point P is such that PC is perpendicular to CD. Determine the coordinates of P if P is on the x-axis.
*Wednesday, April 22, 2015 at 9:42pm*

**Math**

There are 2 points on the graph V(4,12) U(a,0) The line has a slope of 2. What is the value of a?
*Wednesday, April 22, 2015 at 9:38pm*

**history of math **

i need help. the answer is the ratio of 4:2:1. A man makes a will and dies leaving his wife pregnant. His will disposes of 100 ecus such that if his wife has a daughter, the mother should take twice as much as the daughter, but if she has a son, he should have twice as much ...
*Wednesday, April 22, 2015 at 9:36pm*

**math**

Sharon wants to buy a bike helmet that costs $21. She already has $9 saved. She plans to sell lemonade to earn enough money to buy the bike helmet. For each cup of lemonade she sells, she makes a profit of $0.20. Explain how to determine how many cups of lemonade she must sell...
*Wednesday, April 22, 2015 at 9:21pm*

**Math**

Ana had some money. she used 4/7 to buy shoes which cost $96. if she spent another 2/7 to buy a dress how much would she spend altogether?
*Wednesday, April 22, 2015 at 9:15pm*

**Math**

An orienteer runs for 4.5km, then turns through and angle of 32 degrees and runs for another 6km.How far is she from her starting point?
*Wednesday, April 22, 2015 at 9:10pm*

**7th grade math**

Can you check the folowing problems. 1. 8(10) + 8(4) = 8(14) is an example of which property? A. Distributive property B. Associative property C. Identiy property D. Commutative property Ans:A 2. By Saturday night, 3 inches of rain had fallen in Happy Valley. The weekend ...
*Wednesday, April 22, 2015 at 9:09pm*

**Math**

Math - Zo, Wednesday, April 22, 2015 at 8:44pm A wheel has s radius of 9 inches. If the wheel is rolled on a flat surface, how many revolutions will it take for the wheel to travel 90 ~ pie inches
*Wednesday, April 22, 2015 at 8:47pm*

**math**

Find the volume of the solid formed by revolving the region bounded by f(x)= 2-x^2 and g(x)=1 about the line y=1.
*Wednesday, April 22, 2015 at 8:37pm*

**Math**

Georgia knows that in the relationship between two given variable x and y, each value of y is found by adding a given number corresponding value of x, or multiplying it by a given number. She only knows a single pair of x and y values. Can georgia write an equation that models...
*Wednesday, April 22, 2015 at 7:59pm*

**math**

find the value of the definite integral from 1 to 3 of (lnx/x) dx.
*Wednesday, April 22, 2015 at 7:50pm*

**math **

suppose maya made another sign with an area of 48 square inches. would this sign be larger or smaller than the sign with an area of 48 square centimeters? explain how you know
*Wednesday, April 22, 2015 at 7:46pm*

**Math**

A male African elephant weighs 7 Tons. If a male African lion at the local zoo weighs 1/40 of the weight of the male African elephant, how many pounds does the lion weigh?
*Wednesday, April 22, 2015 at 7:42pm*

**Math**

Kenji has a box containing many blue rods, each one 252 cm long. Mei-Ling has a box containing many green rods, each one 408 cm long. They each start making a long line of rods of their colour by laying rods end to end. After a while, their lines are exactly the same length. ...
*Wednesday, April 22, 2015 at 7:31pm*

**Math**

Find the slope of the following graphs. X, -1, 0, 1 ,2 Y, 4, 2, 0, -2 A. 1/2 B. 2 C. -2 D. -1/2 Is the answer B? Thank you
*Wednesday, April 22, 2015 at 7:30pm*

**Math**

Without using a calculator, decide which of these numbers divide into 2^5 * 3^9 * 7^2 * 13^5 8 17^4 * 19 with no remainder. Explain how you know. a) 2^4 * 3^8 * 7^2 * 13^4 * 17^4 * b) 2^5 * 3^2 * 5 * 7^2* 17 c) 2^4 * 13^4 * 17^4 * 19^4 d) 2^2 * 3^5 * 7 * 13^3 * 17^2 * 19
*Wednesday, April 22, 2015 at 7:27pm*

**Math**

Find the LCM and GCF of the following numbers: 1) 2016 and 756 2) 10140 and 705551 3) 17 664 and 288 4) 3960, 150 and 495 I believe the answers are: 1) LCM = 6048 GCF = 252 2) LCM = 7 154 287 140 GCF = 1 3) LCM = 52 992 GCF = 2208 4) LCM = 19 800 GCF = 15
*Wednesday, April 22, 2015 at 7:00pm*

**Math--Please help!!**

Tim Newman took out a simple interest loan of $1500 at a 10 percent interest for 12 months. After 4 payments, the balance is $1100. He pays off the loan when the next payment is due. What is the interest? Is it $9.17
*Wednesday, April 22, 2015 at 6:44pm*

**math**

suppose you covered your desktop with small squares.Then you cover your desktop with large squares.Would you use more small squares or large squares?Explain
*Wednesday, April 22, 2015 at 6:38pm*

**Consumer math**

Determine the cost of a taxi trip of 9 2/3 miles if the fare is $1.10 for the first 1/6 mile and $.20 for each additional 1/6 mile (or fraction). a. $11.90 b. $11.20 c. $12.50 d. $12.80 Determine the cost of a taxi trip of 9 miles if the fare is $1.10 for the first 1/6 mile ...
*Wednesday, April 22, 2015 at 6:23pm*

**math**

1. 5*3^n A.5,15,45,135 B.15,30,45,60 C.15,45,135,405<----- D.0,15,45,135
*Wednesday, April 22, 2015 at 5:47pm*

**Math**

A monopoly has a total cost function C = 1000 + 108x + 12x^2 for its product, which has demand function p = 324 − 3x − 2x^2. Find the consumer's surplus at the point where the monopoly has maximum profit. (Round your answer to the nearest cent.)
*Wednesday, April 22, 2015 at 5:30pm*

**math**

If you have 3 yards of trim to put around a rectangular scarf and you want the width of the scarf to be between 6 and 12 inches. If you want to use all the trim, what are the possible dimensions of the scarf in inches?
*Wednesday, April 22, 2015 at 3:32pm*

**math**

maria need to rap the box shown below with no overlap of the wrapping paper. how much wrapping paper does she need!! please help
*Wednesday, April 22, 2015 at 3:28pm*

**math**

A town Q is on a bearing of 210 degree from p,r is another on a Bearing of 150 degree from P is cast Q. The distance between R and P is 100m, find the distance between R and Q.
*Wednesday, April 22, 2015 at 3:27pm*

**Math**

Will a cylinder always have a larger volume than a rectangular prism?
*Wednesday, April 22, 2015 at 2:57pm*

**Math**

In 1954, Mt. Everest was measured as having an elevation of 8848 m. In 1998 to 2000, Mt. Everest was measured as having an elevation of 8850 m. Using an average rate of uplift of 6.5 mm/y, how much has Mt. Everest risen since it was first measured? How does this compare with ...
*Wednesday, April 22, 2015 at 2:48pm*

**Math**

find the slope of the line that is perpendicular to the line containing the points (-2, -1) and (2, -3). A. m = -2 B. m = 2 C. m = -1/2 D. m = -1
*Wednesday, April 22, 2015 at 2:34pm*

**Math**

find the slope of a line that is parallel to the line containing the points (3, 4) and (2, 6)? A. m = -2 B. m = 2 *** c. m = -1/2 D. m = -1
*Wednesday, April 22, 2015 at 2:27pm*

**math**

a theater contains 440 seats and ticket prices for a recent play were $42 for adults and $18 for children. if the total proceeds were $12,264 for a sold out matinee, how many of each type of ticket was sold?
*Wednesday, April 22, 2015 at 2:10pm*

**Math**

A cylinder fish tank has a volume of 301.44, a rectangular fish tank as a volume of 300, and a triangular prism tank has a volume of 253.75. Obviously the cylinder tank holds more water, but is there a mathematical reason why other than its bigger?
*Wednesday, April 22, 2015 at 1:54pm*

**Math**

Determine whether, for any set A, it is true that P(A) = P(U) − P(A). If it is true prove it, if it is not, give a counterexample.
*Wednesday, April 22, 2015 at 1:43pm*

**math**

a man gets an invoice for $460 with terms 2/10, 1/15, n28 ow much would he pay 25 after the invoice date? help a little confused?
*Wednesday, April 22, 2015 at 1:05pm*

**Math**

A fence surrounds a square plot of land. The area is 324 yd 2. Find the length of each side. Use the Systematic Guess and Check method. What I already know: It is a square shape. And all squares have equal sides.
*Wednesday, April 22, 2015 at 12:48pm*

**math**

Iam a4digit number.If my digits are reversed I became a 3 digit number. what is the digit in my ones place ?
*Wednesday, April 22, 2015 at 12:46pm*

**Math**

1) What is tan(a) for the triangle shown? BC has a length of 8. BA has a length of 17. AC has a length of 15. The right angle is on the BC sides lower left hand corner. A) 8/15 B) 15/8 C)17/8 D) 8/17 Whenever I try this I get weird answers. I am extremely confused and help ...
*Wednesday, April 22, 2015 at 11:40am*

**Math**

1) Solve the equation for p. Identify any extraneous solutions. √p=-1 A) -1 is a solution of the original equation. 1 is an extraneous solution. B) 1 is a solution of the original equation. C) 1 is a solution of the original equation. -1 is an extraneous solution. D) ...
*Wednesday, April 22, 2015 at 11:26am*

**Math**

In 1954, Mt. Everest was measured as having an elevation of 8848 m. In 1998 to 2000, Mt. Everest was measured as having an elevation of 8850 m. Using an average rate of uplift of 6.5 mm/y, how much has Mt. Everest risen since it was first measured?
*Wednesday, April 22, 2015 at 11:15am*

**Math**

what is the force of a 6000 pound load going from 70mph to 0 mph in 0 feet
*Wednesday, April 22, 2015 at 10:55am*

**Math (Please, help me!)**

In 1954, Mt. Everest was measured as having an elevation of 8848 m. In 1998 to 2000, Mt. Everest was measured as having an elevation of 8850 m. Using an average rate of uplift of 6.5 mm/y, how much has Mt. Everest risen since it was first measured?
*Wednesday, April 22, 2015 at 9:58am*

**math**

Need help with an algebra question please im trying to.help my son with homework but its been a long time..please!!!
*Wednesday, April 22, 2015 at 9:25am*

**math**

15x-12y=96
*Wednesday, April 22, 2015 at 9:08am*

**math**

kate and alan sell stereos. last month kate sold 24 more stereos than alan. together they sold 164. How many stereos did allan sell?
*Wednesday, April 22, 2015 at 8:30am*

**scale math**

An architect uses a scale of 1/4 inch to represent 1 foot on a blueprint. If the West wall of a building is 44 feet long, how long will the line be on the blue print?
*Wednesday, April 22, 2015 at 8:27am*

**math**

In the North Carolina Education Lottery "Pick Three Game" there are 75 balls in the machine. Your lucky numbers are 7, 14, and 21. The numbers must be drawn in that order. What's the probability that you'll win the $500.00 prize?
*Wednesday, April 22, 2015 at 7:29am*

**math**

In a pack of 52 cards, 4 of the cards are Kings. The first card is picked, the results are recorded and the card is returned to the deck. Then the second card is picked. Find the probability of picking two kings. Be sure to represent your answer as a fraction in simplest form.
*Wednesday, April 22, 2015 at 7:29am*

**math**

A bag of marbles contains 8 red marbles and 6 yellow marbles. Two marbles are drawn out of the bag at random without replacement. What is the probability that two red marbles are drawn out? Be sure to represent your answer as a fraction in simplest form.
*Wednesday, April 22, 2015 at 7:28am*

**math**

A bag of marbles contains 8 red marbles and 6 yellow marbles. Two marbles are drawn out of the bag at random without replacement. What is the probability that first a red marble then a yellow marble are drawn? Represent your answer as a fraction in simplest form.
*Wednesday, April 22, 2015 at 7:27am*

**math**

the sum of riciprocals of two consecative even interger is five out of twelve.form an equation
*Wednesday, April 22, 2015 at 5:53am*

**Math**

If 2.7m of ribbon costs $4.99 how much does 0.82m of ribbon cost?
*Wednesday, April 22, 2015 at 5:01am*

**Math**

1. How many bricks each measuring 25cm×11.25cm×6cm, will be needed to build a wall of 8m×6m×22.5? 2. what decimal of an hour is a second? 3. without a calculator, 0.04×0.0162 is equal to...... 3. (0.04)^ -1.5 4. if m and n are whole numbers such ...
*Wednesday, April 22, 2015 at 3:20am*

**math**

Suppose you buy a $1395 savings bond that pays 4.3% annual simple interest. Determine the value of the bond after 7 years.
*Wednesday, April 22, 2015 at 1:32am*

**math**

G(S) =(s2+3)/(s5+s4+s3+3s2+2s) is:
*Wednesday, April 22, 2015 at 1:18am*

**math**

a road crew must clear a hill that is 110.0 feet tall so that a new road can be built, they are to clear 11 1/2 feet of the hill each day, find the equation in slope intercept on the line that represent to height
*Wednesday, April 22, 2015 at 12:44am*

**Math**

Josef said that he could represent the amount of money he made last week with the expression: 24d + 8n. Write a problem about the money Josef made last week.
*Tuesday, April 21, 2015 at 11:23pm*

**Math**

Find the slope of the line that goes through the following points. X -1, 0,1,2 Y -4,-1,2,5 A. -5 B. -3 C. -1\3 D. 3 Is the answer A? Thank you
*Tuesday, April 21, 2015 at 11:16pm*

**Math**

Use mean median or mode to predict how many strokes need to complete a golf ball
*Tuesday, April 21, 2015 at 11:02pm*

**Math**

Find the slope of the line that goes through the following points. X 0, 1, 2, 3 Y -4,-3,-2,-1 A. -1 B. 1 C. -4 D. -7 Is the answer C? I'm really confused. Thank you
*Tuesday, April 21, 2015 at 10:26pm*

**math**

If interest on a $4,500 loan is $ 720 What would be the interest on a loan $5,800
*Tuesday, April 21, 2015 at 9:46pm*

**Math**

Tell whether the sequence is geometric. If it is, find the common ratio. 1.) 9, -6, 4, -8/3 2.) 16, 12, 8, 4
*Tuesday, April 21, 2015 at 8:59pm*

**Math**

A car measures 20 feet. What is the length of a model car if the scale factor is 1:64 inches? I can't show my work because i don't even understand any of it!
*Tuesday, April 21, 2015 at 8:27pm*

**Math**

A hardware store had 300 gallons of paint. At the end of the month the store had 252 gallons. What's the percent decrease?
*Tuesday, April 21, 2015 at 8:21pm*

**Math**

The teacher gave this pattern to the class: the first term is 5 and the rule is add 4, subtract 1. Each student says one number. The first student says 5. Victor is tenth in line. What number should Victor say?
*Tuesday, April 21, 2015 at 8:00pm*

**please answer my question (math)**

the price of a 3- pack spinner is one third the price of the of a dozen flyboys. write and solve a division equation to find the price of a dozen fly-boys. there are $3 for each 3-pack spinner . is the equation supposed to be n/12=27?
*Tuesday, April 21, 2015 at 7:33pm*

**math**

Tim Newman took out a simple interest loan of $1500 at a 10 percent interest for 12 months. After 4 payments, the balance is $1100. He pays off the loan when the next payment is due. What is the interest? Is it $9.17? Thanks!
*Tuesday, April 21, 2015 at 7:31pm*

**math**

the price of a 3- pack spinner is one third the price of the of a dozen flyboys. write and solve a division equation to find the price of a dozen fly-boys. there are $3 for each 3-pack spinner . is the equation supposed to be n/12=27?
*Tuesday, April 21, 2015 at 6:49pm*

**Math**

The teacher gave this pattern to the class: the first term is 5 and the rule is add 4, subtract 1. Each student says one number. The first student says 5. Victor is tenth in line. What number should Victor say?
*Tuesday, April 21, 2015 at 6:46pm*

**math**

a bag of super dog food, at $12.50, is one third the price of a bag of power dog dog food. write and solve an equation to find the price of a bag of power dog dog food
*Tuesday, April 21, 2015 at 6:33pm*

**math**

at the end of a soccer game season four families decide to buy the coach of gift certificate to a sporting goods store. each family contributes $35 towards the gift certificate. write and solve a division equation to find how much the gift certificate is worth
*Tuesday, April 21, 2015 at 6:20pm*