Tuesday

October 25, 2016
**math**

B) A random sample of 16 mid-sized cars tested for fuel consumption gave a mean of 26.4Kilometers per liter with a standard deviation of 2.3 kilometers per liter. i) Assuming that the kilometers per liter given by all mid-sized cars have a normal distribution, find a 99% ...

*Monday, September 26, 2016 by joe*

**Math**

lim as x approaches negative infinity (3x^5 + 6x + - 3) / (8x^4 + 10) a. Does Not Exist b. 0 c. -3/8 d. 3/8 I solved this and got negative infinity as the answer, but none of the answers are listed above. I finally chose Choice C, but my teacher said the correct answer is A?

*Monday, September 26, 2016 by Dave*

**math**

the sum of two consecutive even integers is at most seven more than half the sum of the next two consecutive even integers

*Monday, September 26, 2016 by latiyah*

**Math**

You are given the following equation SIX + SIX + SIX + SIX + SIX + SIX = TRI where each letter stands for a digit. The value of SIX is ......

*Monday, September 26, 2016 by dina*

**math**

Rajendra has 14 4/5 pounds of trail mix. He is putting them into bags that hold 1 1/2 pounds each. Does he have enough trail mix to completely full 8 bags? Explain why or why not.

*Monday, September 26, 2016 by Help!*

**math**

Lachlan can finish a work in 45 minutes. Claire works twice as fast as Lachlan. If Lachlan and Claire work together, it will take X minutes to finish the work. What is x minutes?

*Monday, September 26, 2016 by Popa*

**math 6th **

-7.08 as a fraction or mixed number in simplest form

*Monday, September 26, 2016 by kaylah *

**math 6th **

3/8 as a decimal is 7/5 as a decimal is 21/7 as a decimal is 5/3 as a decimal is

*Monday, September 26, 2016 by kaylah *

**math **

how do you explain a number pattern

*Monday, September 26, 2016 by sophia*

**Math**

Does the point(5.5, 110) make sense in this context? Explain? This is pertaining to a line and/or linear graph I am not sure how to even answer this question or what they are truly asking? Please help.

*Monday, September 26, 2016 by Matt-Please Help*

**Math**

Please help me with this step by step show your work problem. |-4b-8|+|-1-b^2|+2b^3 (b= -2) My work |-4b-8|+|-1-b^2|+2b^3 |-4(-2)-8|+|-1-(-2^2)|+2(-2^3) |8-8|+|-1-4|-16 8+8+5-16 16+5-16 5 Could you check my work? If it is incorrect, could you show me the steps to correct it?

*Monday, September 26, 2016 by Lucy*

**Math**

Dvd cases are 9/16 inch wide . A. If Juan has 60 DVD how many of them will fit on one shelf? How wide would a DVD case have to be in order for 60 of them to fit on one shelf? Give the answer in feet. 60divide 9/16=960/90

*Monday, September 26, 2016 by Hassan*

**Math**

There is a graph and on the right hand side it has numbers going up from 0, 7, 14, 21, 28, 35, 42, 49, 56, 63, 70 these numbers represent Time (days) on the bottom it has 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 which represents Time (weeks) The math question is what is a real life ...

*Monday, September 26, 2016 by Matt-Please Help*

**Math**

Dvd cases are 9/16 inch wide . A. If Juan has 60 DVD how many of them will fit on one shelf? How wide would a DVD case have to be in order for 60 of them to fit on one shelf? Give the answer in feet

*Monday, September 26, 2016 by Hassan*

**math**

the product of a 3-digit number and a 1-digit number will be either a 3-digit number or 4-digit number.Does Emma's statement make sense?

*Monday, September 26, 2016 by Anonymous*

**Math**

Each homeroom of a middle school receives 1/12- acre plot of 5/6 acre of land. How many classrooms receive a plot of land. 5/6 divided by 4840 is this correct

*Monday, September 26, 2016 by Noel*

**Math**

If you wanted to find the depth of a submarine during a dive, would it be more reasonable to use an equation with the rate in feet per minute or feet per hour? Explain your reasoning.

*Monday, September 26, 2016 by Michele Heard*

**Math**

The mystery number has the same number of tens and ones, and the sum of these digits is 8

*Monday, September 26, 2016 by Colter*

**Math**

15% on Monday the price of jacket was $41.48 . What was The price on Monday

*Monday, September 26, 2016 by Vanessaa*

**Math**

A music store gives every 20th customer a $5 gift card. Every 50th customer gets a $10 gift card. Which customer will be the first to receive both types of gift cards?

*Monday, September 26, 2016 by Nina*

**Math**

Kelly has 525 red, green, blue balloons. She has 4 times as many green balloons as red balloons. She has half as many blue balloons as green balloons. What is the value of r, the number of red balloons?

*Monday, September 26, 2016 by Ashley*

**Math **

Using substitution, tell whether the ordered pair is a solution to the equation: y=5x;(15,-3)

*Monday, September 26, 2016 by Amy*

**Math**

Sophia has a total of 32 pictures. She has 17 pictures that are 5 millimeters wide. The rest of her pictures are 6 millimeters wide. What is the value of w, the total width of all of Sophia's pictures?

*Monday, September 26, 2016 by Ashley*

**Physics/math**

How do you convert 50.4 mi/h to m/s? 1 mi = 1609 m. Please explain it to me because I don't get it

*Monday, September 26, 2016 by JIna*

**Math **

Janet runs 2,640 feet in 5 min. How far will she have run in 15 minutes?

*Monday, September 26, 2016 by Amy*

**Math**

A basketball player’s probability of making a free throw is 9/10. When the player shoots 2 free throws in a row, X is the number of free throws that score. Create a probability distribution table for the variable X. Use the table to find the indicated probability.

*Monday, September 26, 2016 by Eira*

**Math**

The first angle of a triangle is five less than the measure of the second. The measure of the third angle is half the measure of the second. Find the measure of each angle.

*Monday, September 26, 2016 by Jg*

**Math**

Pete grabbed 18 mixed nuts, 2/9 of which were almonds. Which equation shows how to determine the number of almonds Pete grabbed?

*Monday, September 26, 2016 by Yasmine*

**Math**

Kim was walking down a rocky path. For 4 minutes, the elevation dropped steadily. Altogether it dropped 8 feet. What was the change in elevation per minute for the 4 minute?

*Monday, September 26, 2016 by Matt*

**Math/algebra**

The scale on a map is 2 cm : 7km. If two cities are 12 cm apart on the map what is the actual distance in km between the two cities? " this is NOT a homework question" i don't understand any of this!

*Monday, September 26, 2016 by Sharon*

**Math**

Let C=f(q)=450+0.2q give the cost in dollars to manufacture q kg of a chemical. a) Which of the following statement(s) correctly explain the meaning of f^(−1)(C) b)Find a formula for f^(−1)(C)=

*Monday, September 26, 2016 by Laura*

**math**

You have a gift card for your favorite clothing store for the amount of $60. You have found a shirt you want for $15. You don't want to spend more than the amount of the gift card, which of the following inequalities could be used to determine the amount you have left to ...

*Monday, September 26, 2016 by oto*

**math**

100 apples were bought for 120.out of them 30 were thrown away the remaining apple were sold at 1.50each.Find profit and loss percent.

*Monday, September 26, 2016 by sanju*

**math**

M-9=21 M=30 Is what I got

*Monday, September 26, 2016 by Wossum*

**math**

If class A's average for the test was 60%, it means that nobody in class A failed. How can I calculate it?

*Monday, September 26, 2016 by Z.Ncemane*

**math**

The function g is defined by g(x)=2x^2-4 Find g(5x).

*Monday, September 26, 2016 by .*

**Math please help!!!**

Julia is allowed to watch no more than 5 hours of television a week. So far this week, she has watched 1.5 hours. Write and solve an inequality to show how many hours of television Julia can still watch this week.

*Monday, September 26, 2016 by Anon*

**Engineering Math Growth**

I am having trouble figuring out where to start with this one. Biologists stocked a lake with 40 ﬁsh and estimated the carrying capacity (the maximal population for the ﬁsh of that species in that lake) to be 300. (a) Assume that the number of ﬁsh P(t) ...

*Monday, September 26, 2016 by Erica*

**Math**

Please check my answer~ Find the distance between points C (4,12) and D (-2,5) to th3 nearest tenth. d=sqrt(-2,4)^2+(5-12)^2 d=sqrt36+49 d=sqrt85 d=9.2

*Monday, September 26, 2016 by Yeri*

**Math**

What do you use to identify the specific name or line segment?? I really don't understand what my teacher is looking for, any help would be awesome.

*Monday, September 26, 2016 by Sam*

**Math**

Frame the number of 377 by two multiple of 2

*Monday, September 26, 2016 by Faten*

**Math**

I think my teacher might have made a mistake while grading homework. I'd like a second opinion if possible.. Q; The midpoint of line UV is (5,-11). The coordinate of one endpoint are U (3,5). Find the coordinates of the endpoint V. My answer was V(7,-27) If I'm wrong ...

*Monday, September 26, 2016 by Yeri*

**Math**

Please check my answer.. Find a point E on segment CD such that the ratio of segment CE is 5/8 C is placed on (-9) and point D is placed on 7. A. -8 B.-1~~~ C. 1 D. -3

*Monday, September 26, 2016 by Mira*

**Math**

Q. Solve This Equation.4x+3y=15 And 7x+9y=75.

*Monday, September 26, 2016 by Vedprakash Solanki*

**Math**

Q.1. Define Elimination Method.

*Monday, September 26, 2016 by Vedprakash Solanki*

**Math**

Just a quick question: I'm trying to find the least residue of 7^5 mod 50. I've been messing about with Chinese remainder theorem etc... But it seems a bit easy which is throwing me off and making me think I'm solving another question. So instinctively I know that ...

*Monday, September 26, 2016 by Mrbob*

**Math**

Anne was 5 times as old as Lyn 5 years ago. If Lyn will be half as old as Anne in 10 years, How old is Lyn now?

*Monday, September 26, 2016 by Maymay*

**math**

At a prefects camp,a group of prefects started their training at 09 30.They then stopped for a 3/4h(fraction) lunch break.If their lunch break ended at 13 30,how long did their training last?

*Monday, September 26, 2016 by kelly lim*

**Math Need Help**

Integrate it step by step using inverse trigonometric functions. ∫(4/(4-5x))dx

*Monday, September 26, 2016 by Wawen*

**Math**

Integrate it in step by step applying integration by partial fraction. ∫(x^2)/(x^2+1)dx

*Monday, September 26, 2016 by Wawen*

**math**

write all possible 3 digit numbers the sum of whose digits is 4.

*Monday, September 26, 2016 by Bittoo *

**math**

For his exercise today, Josh plans to both run and swim. Let r be the number of laps he runs and let s be the number of laps he swims. Each lap he runs takes him 4 minutes, and each lap he swims takes him 3 minutes. He wants to exercise for at least 30 minutes today. Using the...

*Sunday, September 25, 2016 by kelly*

**Math**

A flower garden has three times as many red roses as pink roses. Twice the number of red roses is equal to four times the number of pink roses increased by ten. How many red roses are there? How many pink roses are there?

*Sunday, September 25, 2016 by Mikes*

**math**

Ali has 16 1/2 yards of fabric. She will use 5 2/5 yards to make each costume. How many costumes can Ali make?

*Sunday, September 25, 2016 by Anonymous*

**Math**

A tank having a capacity of 300 gallons is 3/4 full. How many gallons are needed to make it 4/5 full??

*Sunday, September 25, 2016 by Zane lascuna*

**math**

(A) An architect estimates that the average height of the buildings of 30 or more stories in Suva is at least 500 feet. A random sample of 12 buildings is selected, and the heights in feet are shown. At =0.025, is there enough Evidence to reject the claim? 634 385 411 ...

*Sunday, September 25, 2016 by pamu*

**Math**

You say the number when you count by 2s. You say the number when you count by 3s. You say the number when you count by 4s. The number is more than 20 but less than 30. What is the number?

*Sunday, September 25, 2016 by Anonymous*

**math**

A) Daily sales of petrol from the Nabua service station are normally distributed with Mean6300Landthe standard deviation 400L. (i) If a daily sale is selected at random, find the probability that it is less than 6200L. (ii) If petrol sales are sampled for 40 days, and the ...

*Sunday, September 25, 2016 by joe*

**math**

a custome requires 7/9 square yards of fabric. if the designer has 6 2/9 square yards, how many costumes can she make?

*Sunday, September 25, 2016 by maranyeliz*

**Math**

Three linear equations are given below. The first is in slope intercept form, the 2nd is in point-slope form and the 3rd is in standard form. Each equation has a slope. What is the sum of the three slopes. 1.y = -2x + 5 2.y + 7 = 6(x − 3) 3.4x − y = 9 1 is -2 2 is ...

*Sunday, September 25, 2016 by CheckMyAnswer*

**Math**

With fractions do you always have to find a common denominator in addition, subtraction, multiplication and division? For each of the above mathematical operations?

*Sunday, September 25, 2016 by Matt-Please Help*

**Math**

What is 5 7/8 - 1/4 I got an answer of 23/2 did I do this right or what di I do wrong?

*Sunday, September 25, 2016 by Matt-Please Help*

**Urgent Math**

Solve it step by step! Find the area below f(x) =-x^2 + 4x +3 and above g(x) = -x^3 +7x^2-10x + 5 over the interval of [1 ≤ x ≤ 2]. Show the overlap or shaded area of the graph.

*Sunday, September 25, 2016 by Wawen*

**Math**

I have a room thats 12ft*11ft room i have 24* 24 inches tile how many tile will i need

*Sunday, September 25, 2016 by Fabian*

**Math**

If A is a square matrix, show that B=(A+A^T)/2 is a symmetric matrix.

*Sunday, September 25, 2016 by Jay*

**Math**

Alice paints at a rate of 10 square feet per minute and Bob paints at a rate of 8 square feet per minute. If they work together, how many square feet can they paint per minute?

*Sunday, September 25, 2016 by Math*

**Math**

I randomly throw 2 darts at a board of 15 balloons. 4 are purple, 3 red, 4 blue, 2 yellow and 2 green. What is the probability of hitting two purple balloons?

*Sunday, September 25, 2016 by Ava*

**Math**

Solve the inequality: 1/4w +3 is less than -6

*Sunday, September 25, 2016 by Mary*

**math**

Jammed is building a two story house in which the top floor is 12feet above the bottom floor the local building code specifies that the hight of a step cannot be above 7.5 inches what is the maximum height of a step in a staircase that jammed can construct between the floors ...

*Sunday, September 25, 2016 by allie*

**math**

two sides of a triangle are 15cm and 18 cm in length. the altitude tossed is 10cm what is the length of the altitude to the 15 cm side?

*Sunday, September 25, 2016 by allie*

**math**

What is the slope of the line that contains the points (4, –4) and (7, –6)? Answer: 3 If its rong please explain to me what i did rong

*Sunday, September 25, 2016 by CheckMyAnswer*

**Math**

Henry is 3 times as old as Jake. Three years ago, he was 4 times as old as Jake. How old is each boy now?

*Sunday, September 25, 2016 by Ana*

**math**

What is the slope of the line that contains the points (4, –4) and (7, –6)?

*Sunday, September 25, 2016 by Luis*

**Math Algrebra Word Problems People on a line**

1) How many people are there between the 4,000th person from the front end and the 1,000th person from the back end when there are 4,000 people on a line? 2) There are 2,500 people on a line. The 100th person counted from the front is Adam. Adam is what number when he is ...

*Sunday, September 25, 2016 by Anonymous*

**math**

let f be the function f(x)=x(x+2) Find and simplify f(x)-f(-x)/2x I tried pluggin in whatever is for x in the first equation and get an answer for each value but it isn't working out can someone please help thank you

*Sunday, September 25, 2016 by madison*

**math**

if, instead of assuming that the mean body temperature is 98.20 degree Ferinheight, we assume that the mean is 98.60 F(as many people believe), wht is the chance of randomly selecting 106 people and getting a mean of 98.20 degree F or lower? (continue to assume that the ...

*Sunday, September 25, 2016 by Anonymous*

**math**

A number when multipled by 3 exceed itself by 48 what is the number

*Sunday, September 25, 2016 by prashant*

**MATH 6grade**

Juan plans to build a bookcase to store his paperback books, DVDs, and CDs. He has lumber that he will use for the sides and back of the bookcase. The bookcase will have five shelves, and each shelf will be 2 1/2 feet. DVD cases are 9 16 inch wide. a. If Juan has 60 DVDs...

*Sunday, September 25, 2016 by AMBER A.*

**math**

show that in a quadrilateral abcd , ab+bc+cd+da>ac+bd .

*Sunday, September 25, 2016 by deepak kumar*

**Math**

a small plane flies due south with a speed of 112 m/s while a tailwind blows due south at 31 m/s. Draw and label a vector diagram and calculate the magnitude and direction of the plane's resultant velocity

*Sunday, September 25, 2016 by Penn*

**Math**

Find the distance between the two points: P1= ( -1,0) and P2= (2,4)

*Sunday, September 25, 2016 by Irma *

**Math**

Let f:[0,infinity) -> R be a differentiable function such that f'(x) >= f(x) > 0 for all x in [0,infinity). Construct a proof to show that f'(x) >= f(x) for all x in [0,infinity).

*Sunday, September 25, 2016 by Annoymous*

**math**

Volume of cicle

*Sunday, September 25, 2016 by kelebohile*

**math**

A Boy Is 6 years Younger Than His Sister.The Product Of Their Ages Is 135.Find The Ages

*Sunday, September 25, 2016 by elvis*

**Math**

Six years hence a man 's age will be three times his son 's age and three years ago,he was nine times as old as his son .find their present ages

*Sunday, September 25, 2016 by Pooka *

**math**

it takes 3 mins to fill a water tank using pipe A and 5 mins to fill the same tank using pipe b alone how long will it take to fill the water if pipes a and b are used together, in minutes and seconds?

*Sunday, September 25, 2016 by rey*

**Math**

Express 84 minutes as a fraction of 4 hours in lowest term?

*Sunday, September 25, 2016 by Cebastian*

**math**

there are 3000 fruits in a fruit stall. 65% of the fruit are apples. 10% of the fruit are oranges and the rest are pears. how many more apples than pears are there?

*Sunday, September 25, 2016 by persentage*

**Math**

Jacob opens a savings account on Jan 1 with a deposit of $250. Every other week $25 is deposited. The bank charges $3 for a processing fee monthly. How much will he have at the end of the year?

*Saturday, September 24, 2016 by Anonymous*

**math 6th grade**

Juan plans to build a bookcase to store his paperback books, DVDs, and CDs. He has lumber that he will use for the sides and back of the bookcase. The bookcase will have five shelves, and each shelf will be 2 1/2 feet. DVD cases are 9 16 inch wide. a. If Juan has 60 DVDs...

*Saturday, September 24, 2016 by CASSIE *

**math 6th grade **

Juan measured the location for the bookcase and realized that his shelves can be no more than 1 3/4 feet wide. a. What is the maximum number of shelves Juan could build for this new bookcase using the lumber he bought? b. How many DVD cases will he be able to store on each of ...

*Saturday, September 24, 2016 by CASSIE *

**math 6th grade**

Juan measured the location for the bookcase and realized that his shelves can be no more than 13 4 feet wide. a. What is the maximum number of shelves Juan could build for this new bookcase using the lumber he bought? b. How many DVD cases will he be able to store on each of ...

*Saturday, September 24, 2016 by BarbaraC*

**6th grade math **

Juan has 28 paperback books. Each book is 11 4 inches wide. Will all his books fit on one shelf? If not, how many will fit and how many will have to go on another shelf? If yes, how many more paperback books, if any, will fit on the same shelf? Explain.

*Saturday, September 24, 2016 by Allen B*

**Math 6th grade **

Juan plans to build a bookcase to store his paperback books, DVDs, and CDs. He has lumber that he will use for the sides and back of the bookcase. The bookcase will have five shelves, and each shelf will be 2 1/2 feet. DVD cases are 9 16 inch wide. a. If Juan has 60 DVDs...

*Saturday, September 24, 2016 by Jada*

**math**

Please help me to answer in four different ways by ADDITION ONLY: QUESTION; CONNIE HAS 18 APPLE AND MAE HAS 16 APPLE, HOW MANY APPLE THEY HAVE?

*Saturday, September 24, 2016 by shirly*

**Math 6th grade**

Juan plans to build a bookcase to store his paperback books, DVDs, and CDs. He has lumber that he will use for the sides and back of the bookcase. The bookcase will have five shelves, and each shelf will be 2 1/2 feet long. DVD cases are 9 16 inch wide. a. If Juan has 60 ...

*Saturday, September 24, 2016 by Jada*

**Math/Chem**

Is it possible to get a negative percent as an answer to a problem

*Saturday, September 24, 2016 by Anonymous*

**math**

Juan sells suits in a major department store on weekends.He earns a commission of 5% on the first 10 suits, and if he sells more than 10 He earns an additional 3% on the additional suits. Last weekend Juan sold 13 suits at a price of $250 each. What was his commission ? A( $...

*Saturday, September 24, 2016 by donna*

**Math**

Information: Juan plans to build a bookcase t store his paperback books, DVDs, and CDs. he has lumber that he will use for the sides and back of the bookcase. Juan plans for his bookcase to have five shelves including, the top and bottom shelves. Each shelf will be 2 1/2 feet ...

*Saturday, September 24, 2016 by Josephine URGENT PLEASE ANSWER*

**Math**

A 36 inch board is to be cut into three pieces so that the second piece is 3 times as long as the first piece and the third piece is 5 times as long as the first piece. If x represents the length of the first piece find the length s of all three pieces

*Saturday, September 24, 2016 by Colleen*