Saturday

October 10, 2015
**Math**

If it takes B hours to walk a certain distance at the rate of 3 miles per hour, the number of hours it takes to return the same distance at 4 miles per hour is...?
*Friday, August 14, 2015 by Victoria *

**math**

a man spent 5% of his salary on rent and out of remaining 20% on car and out of remaning on insurance and furniture in the ratio of 13:7 the value of 7 parts is 4907 what is his salary
*Friday, August 14, 2015 by kaku*

**math**

Victor jogs early morning from his house to rizal stadium at an average of 5kph rests for half and hour and jogs back with half his average speed going to stadium. If he consumes a total of 4 hrs. how far does victor jog?
*Friday, August 14, 2015 by al sah him*

**math**

a jeepney bound for Lawton leaves Carriedo at 11:57 am with an average rate of 40kph at 12 noon Mr Sammy leaves carriedo at rate 65kph. If the distance from Carriedo to Lawton is 7km at what time the jeepney and Mr Sammy reach Lawton.
*Friday, August 14, 2015 by al sah him*

**math**

an empty 50 gallon is filled with water by faucet with a rate 4 gallon per min while it can be drain by a faucet at the bottom of the drum by half a gallon per minute . how long will it take the faucet to fill the drum up to brim if at the same time the faucet at the bottom is...
*Friday, August 14, 2015 by al sah him*

**math**

2/9 divided 15/4 divided 4/12
*Friday, August 14, 2015 by kevin*

**Math**

Jane used one fifths on her shoes and two thirds on her dress and she was left with R60.00 how much did she have altogether
*Friday, August 14, 2015 by Amira*

**MATH**

CREDIT OF $1000, 18% INTEREST, PAYING $25 A MONTH, WHAT WILL BE THE BALANCE, AND HOW LONG WILL IT TAKE TO PAY OFF
*Friday, August 14, 2015 by LINETTE*

**Math **

A recipe requires 3 / 4 c ups of nuts for 1 batch of muffins how many batches of muffins can be made using 7 1 / 2 cups of nuts
*Thursday, August 13, 2015 by Ano*

**Math**

The height of a cylinder is 15ft with a radius of 7ft. What is the radius of a similar cylinder with a height of 10ft. Is the answer 4.66 ft?
*Thursday, August 13, 2015 by Kareen*

**Math**

A student needed to get a final grade of 90 to get a grade of A for the semester. He scored 83, 85, 92, 86, and 87. If the last two scores would be counted as one score. What is the least grade the student would need to get to get a final grade of A? Is the answer 45?
*Thursday, August 13, 2015 by Kareen*

**Math**

How do u divide 9.69 divided by 29.3
*Thursday, August 13, 2015 by Tk Mitchell *

**math help**

ggreen eggs 2.25 regular eggs 2.00 ham 1.50 bacon 1.25 small drink 0.75 large drink 1.00 today's special 4.25 suppose you have $10 to spend. what are some possible orders you can make? get as close to $10 as you can without going over.
*Thursday, August 13, 2015 by kathy*

**math**

ggreen eggs 2.25 regular eggs 2.00 ham 1.50 bacon 1.25 small drink 0.75 large drink 1.00 today's special 4.25 ticket #12;x+g+b=$5.50 what was ordered on ticket 12. how do you know? is there another possibility for the order? if so,, what is it?
*Thursday, August 13, 2015 by kathy*

**Math**

A baseball team wins 60% of their first 70 games. They have 40 games left in the season. How many more games do they need to win to get a perfect 70%. Is the answer 35%?
*Thursday, August 13, 2015 by Kareen*

**Math**

Bob works 1 1/2 hours per day and is payed $7 per hour. He works five days a week. How much money does he earn in 7 weeks? My answer is $367.50, am i correct?
*Thursday, August 13, 2015 by anonymous*

**Math**

The perimeter of a rectangle is 62 cm. The length is 5 less 2 times the number x. What is the width? Is the answer 18?
*Thursday, August 13, 2015 by Kareen*

**Math**

6, 7, 8, 9, 12, 13, 14, 16, 23, 23 A student did the following push ups in gym class. Which of the following would be used to say he did the most push ups? mean median mode mean-13.1 median- 12.5 mode-23 The answer is the mode?
*Thursday, August 13, 2015 by Kareen*

**Math**

A student needed to get a final grade of 90 to get a grade of A for the semester. If the last two scores would be counted as one score. What is the least grade the student would need to get to get a final grade of A? Is the answer 45? /
*Thursday, August 13, 2015 by Kareen*

**Math**

There are5 red balls6 white balls,7 green balls in a box.without looking at it you pick one ball,what is the probabikity that it is whit?
*Thursday, August 13, 2015 by Maribetyh*

**Math**

3. A can do a piece of work in 6 days. B is 50% more efficient. The number of days it take B to do work is A. 9 B. 3 C. 2 D. 4 Is the answer 4? If so, how did you get your answer?
*Thursday, August 13, 2015 by 7th grade Math*

**Math**

Do the following points represent a point on the graph of y=x 4? (0.-4) (5,-1)
*Thursday, August 13, 2015 by Jo*

**math**

green eggs 2.25 regular eggs 2.00 ham 1.50 bacon 1.25 small drink 0.75 large drink 1.00 today's special 4.25 ticket #5 2(G+H) what was ordered? what was the cost>? what method did you use to figure out? what is another way to calculate the price for ticket #5?
*Thursday, August 13, 2015 by kathy*

**Math Urgent**

To form a certain sequence, the rules are: 1)If a number is even, divide by 2 to get the next number 2)If a number is odd, multiply by 3, then add 1 to the the next number. Starting with 12,the 1000th term would be... a.1 b.2 c.3 d.4 THANKS
*Thursday, August 13, 2015 by Ms Sue Help ME*

**Math Probability **

An ant begins at the top of the pictured octahedron. If the ant takes two "steps", what is the probability it ends up at the bottom of the octahedron? Assume a "step" is a journey from one vertex to an adjacent vertex along an edge.
*Thursday, August 13, 2015 by Anonymous*

**Math Probability **

Mario, Yoshi, and Toadette play a game of "nonconformity": They each choose rock, paper, or scissors. If two of the three people choose the same symbol, and the third person chooses a different symbol, then the one who chose the different symbol wins. Otherwise, no ...
*Thursday, August 13, 2015 by Anonymous*

**Math**

8 ft of ribbon cost $4.80. The ribbon was cut into pieces measuring 16 inches. What is the cost of each piece? Is the answer $0.80?
*Thursday, August 13, 2015 by kareen*

**Math**

There are 24 marbles in a jar. Nine of the marbles are yellow and the remainder are blue. What is the probability of picking one blue marble from the jar? Is the correct response 5/8?
*Thursday, August 13, 2015 by kareen*

**Math**

There are 5 students in a classroom. The median age of the children are 9. Two of the children ages are 5. The range of all the students are 7. What is the age of the second to the last child? 5, 5, 9, ? , 12 Is the answer 12? May you please give an explanation to this problem.
*Thursday, August 13, 2015 by kareen*

**math**

a pantry contains 6 shelves each 42 inches long. the shelves are to be reclined with fresh paper. the paper is sold in 1 yard rolls. the number of 1 yard rolls needed is:
*Thursday, August 13, 2015 by andy*

**math**

rewrite the improper fraction as a mixed number. 1364/93
*Thursday, August 13, 2015 by lakshmi*

**math**

Write the number 1100 and two ways
*Thursday, August 13, 2015 by Anonymous*

**math**

at the video store where you work the dvd cases are 5/8 of an inch wide. New shelf units are available that have 6 40-inch shelves. How many dvd should fit on a 6-shelf unit?
*Thursday, August 13, 2015 by catherine*

**Math**

A fruit seller had 450 apples and pears.He sold 1/2 of the apples and 1/4 of the pears. He had a total of 265 apples and pears lefty How many more apples than pears did he have at first. Thanks😊
*Thursday, August 13, 2015 by Chole😊*

**math**

Five coupons of values $2,six coupons of values $3,two coupons of values $5 and two coupons of values $8 are put into a small box.Two coupons are drawn at random from the box without replacement.Calculate the probability that (b)the total value of two coupons is $10. [Answer:...
*Thursday, August 13, 2015 by mandy*

**math**

. A respondent tells you she just bought living room carpet which is 20 feet long by 15 feet wide. If carpet is $6.00 per square foot, how much did the new carpet cost?
*Thursday, August 13, 2015 by debbie*

**MATH**

What is the difference between two places in the local time between two places in latitude 55°N if they are located at longitudes 8°W and 18°E respectively?
*Thursday, August 13, 2015 by JAY*

**Urgent math**

Please help me solve this problem?!?! Find the first six terms and the sixth partial sum of the sequence whose nth term is an = 5n2 − n. a1 = a2 = a3 = a4 = a5 = a6 = S6 =
*Wednesday, August 12, 2015 by Briane Mendez*

**Math**

In a science competition with ten problems, a student gets 5 points for a correct answer and loses 2 points for an incorrect answer. If Alice answered every problem and her score was 29, how many correct answers did she have?
*Wednesday, August 12, 2015 by Anon*

**Math (Calculus)**

Hello, Could somebody please help me with the following question? It asks to differentiate the function below according to derivate rules of calculus such as the power rule (if f(x)=x^n, then f'(x)=nx^n-1), the product rule (if F(x)=f(x)g(x) then F'(x)=f(x)g'(x)+f...
*Wednesday, August 12, 2015 by Constantine*

**Math**

Convert 240sec= min. Is this correct I got 4 min
*Wednesday, August 12, 2015 by Amy*

**math**

And armored truck left a federal bank at noon when a shipping error was discovered an agent was sent by helicopter to overtake the truck the helicopter left at 1:48 PM and flew at an average speed of 170 km/h. If the truck was overtaken at 3:24 PM what was the average speed of...
*Wednesday, August 12, 2015 by Kristie*

**math**

Planets A, B and C orbit a certain star once every 3, 7, and 18 months respectively. If the three planets are now in the same straight line, what is the smallest number of months that must pass before they line up again?
*Wednesday, August 12, 2015 by ediget *

**Math**

How do you find an eighth of an inch on a ruler ?
*Wednesday, August 12, 2015 by Anon*

**Math**

For every $4 Halle saves her brother saves $7 determine. Ratio
*Wednesday, August 12, 2015 by Anonymous*

**Math**

A carpenter has a board that is 4 yards long. He cuts it into 3 equal pieces. How many inches long is each piece? Is this correct? My answer is 46 inches long
*Wednesday, August 12, 2015 by Amy*

**math**

The difference between two numbers is 4 and their sum is -7. What is their product?
*Wednesday, August 12, 2015 by Anonymous*

**math**

prove that sin^6a+sin^4acos ^2a-sin^ 2acos^4a=1-2cos^2a
*Wednesday, August 12, 2015 by Abdullah *

**Math**

Twice the sum of the digits of a positive, two-digit integer is 19 greater than the ones digit. Reversing the digits decreases the number by 18.
*Wednesday, August 12, 2015 by Anonymous*

**Math**

If j / k = 32 and k = 3 / 2, what is the value of 1 / 2 j?
*Wednesday, August 12, 2015 by Anonymous*

**math **

A square piece of cardboard is to be used to form a box without a top by cutting off squares, 5cm on a side, from each corner and then folding up the sides. if the volume of the box must be 320 sq. sm, what must be the length of a side of the cardboard?
*Wednesday, August 12, 2015 by Sigrid*

**Math**

a piece of wire is 20 cm. long. it is cut into pieces, each of which is then bent to form a square. the total area of the two squares is 13 sq. cm. How long is side of each square?
*Wednesday, August 12, 2015 by Sigrid*

**Math**

The average (arithmetic means) of t and y is 15, and the average of w and x 15. What is the average of t, w, x, and y? (A) 7.5 (B) 15 (C) 22.5 (D) 30 (E) 60
*Wednesday, August 12, 2015 by Anonymous*

**math **

I have two questions: The temperature changed from 7ºF at 6 P.M. to -5ºF at midnight. What was the difference between the high and low temperatures? What was the average change in temperature per hour? The difference between the temperatures is 12ºF because 7...
*Wednesday, August 12, 2015 by anon*

**Math**

If (x - 2)^2 = 49, then x could be (A) -9 (B) -7 (C) 2 (D) 5 (E) 9 (x - 2)^2 = 49 (x - 2) (x - 2) = 49 x^2 - 2x - 2x + 4 = 49 x^2 - 4x + 4 - 4 = 49 - 4 x^2 - 4x = 45 I am not sure what to do from here.
*Wednesday, August 12, 2015 by Anonymous*

**math or algebra**

I have two questions The temperature changed from 7ºF at 6 P.M. to -5ºF at midnight. What was the difference between the high and low temperatures? What was the average change in temperature per hour? The difference between the temperatures is 12 because 7 - (-5) = 7...
*Wednesday, August 12, 2015 by anon*

**math**

A car moving with a velocity of 20m/s at 30 degree to the horizontal,what is the component of the velocity along the horizontal?
*Wednesday, August 12, 2015 by prech*

**Urgent math**

Which of following is divisible by 4 for all natural numbers n? (Select all that apply.) please help ?!?!? 5n + 1 − 9 6n − 2 7n + 1 3n + 1 10n − 2
*Wednesday, August 12, 2015 by Jaydon *

**Math**

"Molly had (4x + 10) dollars. Ron has (-5x + 20) dollars. How much money do they have all together?" For this part I got -x + 30 dollars, but the problem comes when I see the next part: "How much more money does Molly have than Ron?" Now how to I calculate ...
*Tuesday, August 11, 2015 by Malala*

**math**

Two circles have a radii of 15 and 95. If the two external tangents to the circles intersect at 60 degrees, how far apart are the centers of the circles? Can someone please explain this to me, show the work and give me the answer. Thanks!
*Tuesday, August 11, 2015 by logi*

**math**

A car escapes from Police. The police start chasing 54 minutes later. Police travel 12% faster. How many minutes will it take to catch up? SO FAR I got that D=(x)(t+54) for the escaped car AND D=(1.12x)(4) Can someone help me through the process and give me the correct answer...
*Tuesday, August 11, 2015 by logi*

**math**

Freshman:Sophmore = 5:4 Sophmore:Juniors = 7:8 Juniors:Seniors = 9:7 The total is 2158, what is the amount of each grade? So far, I got 35:32:224/9 for Freshman:Sophmore:Seniors I don't know if I'm correct, or what I'm doing. Can you please give me help and explain...
*Tuesday, August 11, 2015 by logi*

**Math Brain Teaser**

This is a brain teaser and this is all the information you are given. I am sure that there is a simple answer, but I can't figure this out. There is no information about the weight of each steak. A man, buying steaks for his restaurant, approached a butcher. "How many...
*Tuesday, August 11, 2015 by MomWhoIs50*

**Math Brain Teaser**

I have a math brain teaser that I am sure it sooo simple that I am missing it. A man, buying steaks for his restaurant, approached a butcher. "How many steaks do you have for sale," the butcher answered, "And how much are they?" "The steaks are $6 a ...
*Tuesday, August 11, 2015 by MomWhoIs50*

**Math**

What is the area of a square with side lengths of 3cm? Use the formula A=s x s Is this correct A= 3x3=9
*Tuesday, August 11, 2015 by Amy*

**Math**

Is this correct? Write the decimal for seventy five and four tenths. My answer is 18.75
*Tuesday, August 11, 2015 by Amy*

**math**

Freshman:Sophmore = 5:4 Sophmore:Juniors = 7:8 Juniors:Seniors = 9:7 The total is 2158, what is the amount of each grade? So far, I got 35:32:224/9 for Freshman:Sophmore:Seniors I don't know if I'm correct, or what I'm doing. Can you please give me help and explain...
*Tuesday, August 11, 2015 by logi*

**math**

Two circles have a radii of 15 and 95. If the two external tangents to the circles intersect at 60 degrees, how far apart are the centers of the circles? Can someone please explain this to me, show the work and give me the answer. Thanks!
*Tuesday, August 11, 2015 by logi*

**math**

A car escapes from Police. The police start chasing 54 minutes later. Police travel 12% faster. How many minutes will it take to catch up? SO FAR I got that D=(x)(t+54) for the escaped car AND D=(1.12x)(4) Can someone help me through the process and give me the correct answer...
*Tuesday, August 11, 2015 by logi*

**Urgent math**

Which of following is divisible by 4 for all natural numbers n? (Select all that apply.) please help ?!?!? 5n + 1 − 9 6n − 2 7n + 1 3n + 1 10n − 2
*Tuesday, August 11, 2015 by Jaydon *

**Urgent math**

I eliminated 2 of the 5 and now I have 3 I am confused towards which is the right one? help mathematical induction to determine which formula is true for all natural numbers n ≥ 3 a) 2n2 > (n + 1)2 b) (n − 1)2 > n2 − 6 c) (n + 1)2 < n2 +
*Tuesday, August 11, 2015 by Jaydon *

**Math**

Simplify 14-3x4/6 A. 14 B. 12*** C. 6 D. 3 Is it B?
*Tuesday, August 11, 2015 by Amber*

**Math**

a tower stands on the top of a cliff. at a distance of 55m from the foot of the cliff, the angles of elevation of the top of the tower as well the cliff are 60° and 45° respectively. find the height of the tower.
*Tuesday, August 11, 2015 by Moosa*

**Math**

In water refilling station, the time that a pipe takes to fill a tank is 10 minutes more than the time that another pipe takes to fill the same tank. If the two pipes are opened at the same time, they can fill the tank in 12 minutes. How many minutes does each pipe take to ...
*Tuesday, August 11, 2015 by Syryl Soriano*

**math**

rj and joshua are running for fun . rj runs 7kph and joshua run at 5kph . if they start in the same time how long will it be before rj is one fourth ahead of joshua?
*Tuesday, August 11, 2015 by al sah him*

**math**

length of the rectangle is five more than twice its width .area of the rectangle is 52 sq meter. find the length of the rectangle have my own sol. pls. continue L=5+2w LW=52 (5+2w)w=52 2w^2+5w=52 2w^2+5w-52=0 soo. pls could someone continue this~?
*Tuesday, August 11, 2015 by al sah him*

**Urgent math pls **

The noise from a power mower was measured at 108 dB. The noise level at a rock concert was measured at 119 dB. Find the ratio of the intensity of the rock music to that of the power mower. (Round your answer to the nearest whole number.) I tried by 108-119 =-11 but then I did ...
*Tuesday, August 11, 2015 by alice*

**Urgent math quick**

A roasted turkey is taken from an oven when its temperature has reached 185°F and is placed on a table in a room where the temperature is 75°F. (a) If the temperature of the turkey is 150°F after half an hour, what is its temperature after 45 min? (Round your ...
*Tuesday, August 11, 2015 by alice*

**Urgent math**

A man gets a job with a salary of $40,000 a year. He is promised a $1900 raise each subsequent year. Find his total earnings for a 10-year period. I got 59,000 and it is wrong what it the correct answer?
*Monday, August 10, 2015 by jayleen*

**Math**

13 less than 30 as a numerical expression
*Monday, August 10, 2015 by Anonymous*

**Math **

an = 3a(n − 1) + 6 and a1 = 1 a4=87 a5=249 this is what I got but the answer were incorrect in the sequence.
*Monday, August 10, 2015 by alice*

**Math **

so I was trying to do this based on logarithm scales. The noise from a power mower was measured at 108 dB. The noise level at a rock concert was measured at 119 dB. Find the ratio of the intensity of the rock music to that of the power mower. (Round your answer to the nearest ...
*Monday, August 10, 2015 by alice*

**Math **

Can anybody show me step by step pls? A man invests $3000 in an account that pays 7.5% interest per year, compounded quarterly. 1. Find the amount after 3 years? (Round your answer to the nearest cent.) how much $? 2. How long will it take for the investment to double? (Round ...
*Monday, August 10, 2015 by alice*

**9th grade math**

I need help with this problem please help with steps. -u+5u-2(6u-11)
*Monday, August 10, 2015 by Clarissa*

**Math**

The base of a 6-inch long ice cream cone with a diameter of 2 inches, is cut 0.25 inches from the base. This cut creates two shapes, one is a cone, and the other one resembles a cylinder since it was cut so close to the base. What is the BEST estimate for the volume of the ...
*Monday, August 10, 2015 by Lauren *

**Math **

Find the point, M, that divides segment AB into a ratio of 4:7 if A is at (-33, 0) and B is at (0, 44). A)(-22, 15) B) (-22, 16) C) (-21, 15) D) (-21, 16) Is it A?
*Monday, August 10, 2015 by Lauren *

**Math **

line j: y = 2/3x + 1/2 line k: y = 1/2x + 2/3 line l: y = 2/3x + 3/2 line m: y = 3/2x + 1/2 These four lines have been graphed on the same coordinate grid. Which lines are parallel to each other? A)j and l B)j amd m C)k and l D)k and m Is it C??
*Monday, August 10, 2015 by Yolanda *

**Math **

Which transformation will be equivalent to rotating a figure 270° counterclockwise? A) reflecting over the x-axis and the y-axis B) translating left 3 units and down 5 units C) Reflecting over the y-axis and then reflecting over the line y = x D) Reflecting over the y-...
*Monday, August 10, 2015 by Yolanda *

**Math **

Find the slope of a line parallel to y= 1/2x + 3. A)-2 B)-1/2 C)1/2 D)2 is it C?
*Monday, August 10, 2015 by Yolanda *

**Math**

Which inequality represents this situation? Ari works h hours each day. He earns $21 per hour. Ari earns less than $150 a day. How many hours does he work each day? a. 21h > 150 b.21 + h < 150 c.h/21 < 150 d.21h < 150
*Monday, August 10, 2015 by Pam*

**math**

2,071,463,548 place value
*Monday, August 10, 2015 by theresa*

**Math**

Justin bought a roll of packaging tape that is 55 yards long. If 1 yard is equal to 36 inches, how many inches are in 55 yards?
*Monday, August 10, 2015 by Amy*

**Math **

The greatest place value is ten thousand. The digit in the tens place is 4. The remaining digits are 5,3,and 7. One of the digits has a value of 700. The value of the digit in the thousands place is 10 times greater than this. There is 1 less ones than tens. What is this number?
*Monday, August 10, 2015 by Ti*

**math**

(3+ab)^2 (x-2)(x+1)-3(4-x)(2x+1)
*Monday, August 10, 2015 by Bongiwe Gamede*

**Math**

How many even, three-digit positive integers have the property that two of the digits are equal, but not all three are equal?
*Monday, August 10, 2015 by Anonymous*

**math**

BD bisects angle ABC, measure of angle ABC=5x-4, and measure of angle CBD=2x+10 angle ABC is a(n) _ angle
*Monday, August 10, 2015 by watson*

**Math**

The distance s in feet that a body falls in t seconds is given by the formula s=16t^2. If a body has been falling for 5 seconds, how far will it fall during the 6th second
*Monday, August 10, 2015 by Anonymous*

**Math**

A card is randomly drawn from a standard $52$-card deck. An ace of hearts wins the grand prize; any other ace or heart wins a small prize. What is the probability of winning a small prize? Express your answer as a common fraction. Assume that a grand prize winner does NOT ...
*Monday, August 10, 2015 by Anonymous*

**Math sequences**

Determine the smallest interger n such that 1+(4/5)+(4/5)^2+...+(4/5)^n>4.9 Please explain ti me about thisquestion. I can'tunderstand it.
*Monday, August 10, 2015 by Lala*

**a math**

Prove cotx-1/cotx+1 = sec2x - tan2x I prove till cotx-1/cotx+1 =1/1+tanx - tanx/1+tanx
*Monday, August 10, 2015 by wang*