Friday

November 27, 2015
**3rd Math**

Aoki completed 3/6 of a distance-running challenge. Faye completed3/8of rhe same challenge. Who ran the farther distance.
*Friday, November 6, 2015 by Tre'Von*

**math**

with the world population just over 7,000,000,000 people, prove that in less than a month one vampire could have the ability to infect the entire planet if they bit only two each day
*Friday, November 6, 2015 by dondon*

**math**

Jerry started doing sit-ups every day. The first day he did 15 sit-ups. Every day after that he did 2 more sit-ups than he had done the previous day. Today Jerry did 33 sit-ups. Write an equation that could be solved to find the number of days Jerry has been doing sit-ups, not...
*Friday, November 6, 2015 by Tim*

**Math**

a = 9, b = 3, and c = 11. Use the law of Cosines to solve B. My ans: 12.90 degs?
*Friday, November 6, 2015 by Anonymous*

**math**

Problems involving simultaneous equation. At a circus, there were twice as many children as there were adults in attendance. Altogether, 1020 attended the circus. How many were children?
*Friday, November 6, 2015 by rach*

**math's**

find the compound interest of principal=rs 12,550, amount=?, rate of interest=9% semi annually, time= 2.5
*Friday, November 6, 2015 by aryan*

**math's**

The average of numbers is 66.Three of the numbers are 58,67,and 80 find the average of the seven numbers.
*Thursday, November 5, 2015 by aryan*

**Math **

when I divide I come up with 4 with a remainder of 4.
*Thursday, November 5, 2015 by iyana*

**Math**

Am stuck A fifth grade class of 32 students is going on a field trip. They want to rent vans to drive to the field trip. Each van seats a maximum of 7 students. What is the least number of vans the fifth grade class must rent so that each student has a seat? If I times it that...
*Thursday, November 5, 2015 by iyana*

**math**

Suppose you have $60 to buy shrimp and chicken wings for a party. Shrimp costs $10/lb and wings cost $6/lb. Write and graph a linear equation that could be used to determine the number of pounds of each food that can be purchased with $60 Would I start with the y = mx + b 60...
*Thursday, November 5, 2015 by jessica*

**math**

A runner and a walker depart from the same point going in opposite directions on a circular track that is 1 mile long. The runner travels at 9 mph and the walker at 3 mph. After how many minutes will they pass each other? I know the answer is 5 but I don't know how to get it
*Thursday, November 5, 2015 by Morgan*

**Math**

Light passing through water loses 30% of its intensity every metre of water depth. At what depth will the light intensity be half of what it is at the surface? How is it 8.1? I don't know how. Thanks
*Thursday, November 5, 2015 by Beth*

**Math**

What is 2.35678/257382436*89.8-19836+1
*Thursday, November 5, 2015 by Amzad*

**Math**

A customer buys 15.78 worth of gasoline and one can of pepsi price .75. You receive a 20 bill in payment. What is the change?
*Thursday, November 5, 2015 by Kee*

**Math**

9/16 x 2/3 =
*Thursday, November 5, 2015 by John*

**math 8th grade**

for a project, you need the diagonal fold of a square piece of origami paper to be 10 cm long. to what dimensions do you need to cut the square origami paper?
*Thursday, November 5, 2015 by john*

**math 8th grade**

a black 8" tile was cut to surround a white 8" tile. what is the perimeter of the design?
*Thursday, November 5, 2015 by john*

**math 8th grade**

what is the height of an equilateral triangle with an edge of one meter?
*Thursday, November 5, 2015 by john*

**math**

Ms. Sue can you help me .My question is already submitted.
*Thursday, November 5, 2015 by Abby*

**8th Grade Math**

The temperature in Toronto at noon during a winter day measured 4°C. The temperature started dropping 2° every hour. Which inequality can be used to find the number of hours, x, after which the temperature will measure below -3°C? Can you please check my answer? 4...
*Thursday, November 5, 2015 by Elise*

**8th Grade Math**

The temperature in Toronto at noon during a winter day measured 4°C. The temperature started dropping 2° every hour. Which inequality can be used to find the number of hours, x, after which the temperature will measure below -3°C?
*Thursday, November 5, 2015 by Elise*

**Math**

Hugh is 5 years younger than his 14year old sister, Beth. If n represents Beth's age in the future, write an expression that wold represent Hugh's age at the same time
*Thursday, November 5, 2015 by YaMaJi*

**math**

think about the number 5 in this number- 5,781.203 if the number is dived by 1,000 in which place would the 5 end up
*Thursday, November 5, 2015 by Abby*

**math**

How can you tell, before you divide 387 by 4, that the first digit of the quotient is in the tens place?
*Thursday, November 5, 2015 by Ralp*

**Math grade 12**

A lighthouse with a rotating beam is located 500m south of a coastal cliff that runs west to east a) determine a relation for the distance from the lighthouse to the point the light strikes the cliff in terms of the angle of rotation x b) determine an exact expression for this...
*Thursday, November 5, 2015 by Emily *

**Math **

Jim runs 50% faster then Bob. In a 1200m race how much of a head start should Bob get to make the race fair? My solution: 50%= half Half of 1200m is 600m So the answer is 600m Am I right
*Thursday, November 5, 2015 by Anonymous*

**math**

What happens when 6.3 is divide by the 4th power of ten
*Thursday, November 5, 2015 by Kaylah*

**Math**

Jim runs 50% faster then Bob. In a 1200m race how much of a head start should Bob get to make the race fair I got a 600m head start but am I right??
*Thursday, November 5, 2015 by Jen*

**math**

What happens to 6.3 when you multiply it by the 4th power of ten
*Thursday, November 5, 2015 by Sammy*

**math**

write a measurement division story problem for 6 divided 3/4
*Thursday, November 5, 2015 by Kalyn *

**Math**

Juan's company spent $2350 on an event. They spent about $1500 on food and about $900 on entertainment. What could the actual cost of the food and entertainment be?
*Thursday, November 5, 2015 by Tay*

**Math**

The correct answer is 10,000. Thank you Ms. Sue for pushing me and making me think. I hope this is the right answer.
*Thursday, November 5, 2015 by Iyana*

**6th grade Math **

Maritza is baking cookies to bring to school and share with her friends her birthday. The recipe requires 3 eggs for every 2 cups of sugar. To have enough cookies for all of her friends, Maritza determined she would ned 12 eggs. If her mom bought 6 cups of sugar, does Maritza ...
*Thursday, November 5, 2015 by Harms*

**Math**

Aoki completed 3/6 of a distance_running challenge. Faye completed 3/8 of the same challenge. Who ran the farther distance
*Thursday, November 5, 2015 by Tre'Von*

**Math**

Sorry I was thinking about 10x4 is for the correct answer is 1,000.00
*Thursday, November 5, 2015 by Iyana*

**Math **

Jim starts with a $2000 balance on his credit card. During the first month he charges $300, and during the second month he charges $500. The credit card has finance charges of 23% APR. The first month Jim makes a $200 payment and the second month Jim makes a $400 payment. What...
*Thursday, November 5, 2015 by Caitlyn *

**math**

how to we know its an exponential function when given graph?
*Thursday, November 5, 2015 by XOXOX*

**6th grade Math **

Hamza bought 8 gallons of brown paint to pain his kitchen and the dining room. Unfortunately, when Hamza started painting, he thought the paint was too dark for his house, so he wanted to make it lighter. The store manager would not let Hamza return the paint but did inform ...
*Thursday, November 5, 2015 by Harms*

**Math**

Write in exponential form and standard form? 10x10x10x10 EXPONENTIAL FORM - 10^4= 10X10X10X10=40 STANDARD FOR - 10X10X10X10= 40 Am I correct
*Thursday, November 5, 2015 by Iyana*

**math**

A student version of the constitution fits a piece of paper that is 8 1/2 by 11 inches. which is the largest scale that can be used so that it fits the paper?
*Thursday, November 5, 2015 by Anonymous*

**Math**

Because I was thinking I had to divide the number by how many tanks were in the aquariums. Ms. Sue 235.3 199.98 217.12 __________ 652.40
*Thursday, November 5, 2015 by Iyana*

**Math**

There is 1/3 of a puzzle in every box of cereal. Use a fraction to the number of puzzles in 6 boxes of cereal
*Thursday, November 5, 2015 by Tre'Von*

**Math**

So it is the 2 that is in the thousandths place. To Ms. Sue
*Thursday, November 5, 2015 by Kim*

**math **

Kyle wants to form rectangles using straws.he has two straws of 6 inches long, two straws 4 inches long, and two straws 2 inches long.using four straws attached at the ends, how many different rectangles can Kyle form¿ what are the perimeters of the rectangles¿
*Thursday, November 5, 2015 by betsy*

**Math**

There are 3 aquariums in the museum. In the first aquarium there are 235.3 pound of fish food the second aquarium has 199.18 pounds of fish food the last contains 217.12 pounds of fish food. How much fish food does the museum have in the aquarium altogether? I came up with 217...
*Thursday, November 5, 2015 by Iyana*

**Math **

Sorry the number is 0.8923 which digit is in the thousandths place? I believe it is the 8 but the 0 is throwing me off
*Thursday, November 5, 2015 by kim*

**Math**

Which digit is in the thousandths place am confused by the 0 but I believe the 8 is in the thousandths place.
*Thursday, November 5, 2015 by kim*

**Science/Math**

If the air temperature is 30 degrees C and the relative humidity is 60%, will the dew point be reached if the temperature drops to 25 degrees C? I know that the formula is x = .60(37g/m cubed.)
*Thursday, November 5, 2015 by Zoe*

**math **

Someone runs 3/6 of a distance run and the other person runs 3/8 which one has ran the farthest
*Thursday, November 5, 2015 by Anonymous*

**Math**

I have to write this number in word form 1,358,049? Is it One million, three hundred fifty-eight thousand, forty-five
*Thursday, November 5, 2015 by kim*

**Math 4**

20*34*60=. ?
*Thursday, November 5, 2015 by Essence*

**Math**

The sum of two numbers is 48. One number is 24 more than the other number. Find the numbers. My thinking is X=48-24. X=24
*Thursday, November 5, 2015 by Elizabeth*

**math 6**

Javier solves three math problems in five minutes. He has 20 math skill-work questions for homework, and he wants to complete them before talking with friends. How many minutes will javier take to complete 20 math skill work questions
*Thursday, November 5, 2015 by sally*

**Math! Pls Help!**

You exercised 24 hours each month for a year. How many hours did you exercise by the end of the year? 1. Show you Calculation using Distributive Property 2. Show you Calculation without using Distributive Property Pls Help!
*Thursday, November 5, 2015 by Talia*

**Math**

What does four to the fourth power mean
*Thursday, November 5, 2015 by Tressa*

**Math**

How many different arrays can you make with a total of 6counters?
*Thursday, November 5, 2015 by Jacob*

**Math Please check**

-4x+3y=12 Solve for y I got: 12+4x/3 Is that right?
*Thursday, November 5, 2015 by Katie*

**Math**

This number has 4 places to the right of the decimal point. It has 2 hundreds, 3 ten thousandths, and 1 tenth. It is between 240 and 242. The thousandths place is one less than the ten thousandths and less than the hundredths. What are six numbers that match this data?
*Thursday, November 5, 2015 by Anonymous*

**math**

A runner and a walker depart from the same point going in opposite directions on a circular track that is 1 mile long. The runner travels at 9 mph and the walker at 3 mph. After how many minutes will they pass each other? I know the answer is 5 but I don't know how to get it
*Thursday, November 5, 2015 by Morgan*

**math**

Each floor of a hotel has r rooms. on 8 floors, there are a total of 256 rooms. Now, wuld my expression looke like this:r8=256 0r 256/r equals 8
*Thursday, November 5, 2015 by Versace*

**math**

The scale drawing of a rectangular room will be enlarged by a scale factor of 4 to create the actual room. The actual area of the room will be 150 square feet. Which expression finds the area of the scale drawing?
*Thursday, November 5, 2015 by Anonymous*

**MATH**

Simplify square root of 3 times square root of 21. A.Square root of 24 B.Square root of 63 C.3 Square root of 7 D.None of the above
*Thursday, November 5, 2015 by Grace*

**Math**

Is the simplified form of 2square root of 3 ⋅ 2square root of 6 rational? Yes or No
*Thursday, November 5, 2015 by Katie*

**MATH **

A GREAT PYRAMID HAS A SQUARE BASE 230M ON EACH SIDE. THE 4 TRIANGULAR FACES EACH MAKE AN ANGLE OF 51.50' WITH THE GROUND. 1) HOW TALL IS THE PYRAMID ? 2) WHAT ARE THE DIMENSIONS OF EACH OF THESE TRIANGULAR FACES ?
*Thursday, November 5, 2015 by Y*

**Math 141**

A pair of fair 6-sided dice is rolled. What is the probability that a 3 is rolled if it is known that the sum of the numbers landing uppermost is less than or equal to 7? (Enter your answer as an exact fraction.)
*Thursday, November 5, 2015 by Naomi*

**math/economics in calculus**

The average cost of manufacturing a quantity q of a good, is defined to be a(q) = C(q)/q. The average cost per item to produce q items is given by a(q) = 0.01q2 − 0.6q + 13, for q >0. I know that the total cost is 0.01q^3-0.6q^2+13q What is the minimum marginal cost? ...
*Thursday, November 5, 2015 by Jasmine*

**math**

f(X)= (x^2)/(x^2 - 1) .find the symmetry , intercepts, asymptotes, interval of increase and decrease, local extreme values, concavity, point of deflection and draw the graph of the function.kindly show the working.
*Thursday, November 5, 2015 by kanza*

**Math**

The birth weight of full-term babies was found to follow a normal distribution with a mean of 3500grams, and standard deviation of 600grams. A) What is probability that the birth weight is less than 3000 grams. = P(X<3000) Correct? B) probability that birth weight exceeds ...
*Thursday, November 5, 2015 by Brandy*

**math**

What does it mean for an equation to be balanced and why must you keep an equation in balance?
*Thursday, November 5, 2015 by crazygirl123*

**Math**

A computer is reduced by 15% in a sale. The original price is £560. Calculate the sale price
*Thursday, November 5, 2015 by Jude *

**math**

A plane that carries mail makes a round trip each day from Chicago to New York. It makes 2 intermediate stops on the way to New York and 1 intermediate stop on the way back to Chicago. Suppose you make a graph of the altitude of the plane for one day, with time on the ...
*Thursday, November 5, 2015 by dmetrion*

**Biology (or math)**

What is the surface area to volume ratio of a cube with a with of 4 cm. I think its 1.5:1
*Thursday, November 5, 2015 by Joe*

**Math (Algebra)**

Two groups went to the movies. The first group included 3 adults and 5 kids and paid a total of $71. The second group included 5 adults and 3 kids and paid a total of $81. If ticket prices were the same for each group, find the cost of each type of ticket.
*Thursday, November 5, 2015 by Alyssa*

**math**

A garden in the farm of a square, is surrounded by a path which is 1m wide on two opposite sides and 1/2m wide on the other two opposite sides. If the area of the path is 17msquared, calculate the : Perimeter of the garden Area of the space covered by the garden and the path
*Thursday, November 5, 2015 by joan*

**Math**

you are creating a board game. you want to cut square game pieces that measure 1 1/4 on each side from a piece of paper that measures 8 1/2 inches by 11 inches... how many game pieces can you cut from the paper?
*Thursday, November 5, 2015 by cuti*

**math**

30 chocolates in a bowl. 12 are dark chocolate, 8 are white chocolate and 10 are coffee. what is the chance of getting a coffee chocolate?
*Thursday, November 5, 2015 by jen*

**Math**

venus and fumiko are coworkers at a rental store Venus earns 2.25 per hour than Fumiko together they earn 14.55 per hour how much money per hour does Venus earn
*Thursday, November 5, 2015 by Nadia*

**math**

Milo walks 40 meters in 15 seconds and Mira walks 30 meters in 10 seconds Whose walking is faster
*Thursday, November 5, 2015 by Anonymous*

**Math **

Which of the following options results in a graph that shows exponential growth A.f(x)= 0.4(3)^x B.f(x)= 3(0.5)^x C.f(x)= 0.8(0.9)^x D.f(x)= 0.9(5)^-x
*Wednesday, November 4, 2015 by Katie*

**Math**

Which of the following options is an equivalent function to f(x) = 3(2)3^x? A.f(x)=3(8)^x B.f(x)= 24^x C.f(x)= 27(8)^x D.f(x)= 3(8x)
*Wednesday, November 4, 2015 by Katie*

**math**

consider a scenario where a binomial experiment is conducted and the probability of success in each trial is 40%. if the experiment includes 15 trials, what is the probability that out of those 15 trials, exactly 10 will be successful? Pls help with formula!
*Wednesday, November 4, 2015 by ashley*

**Math**

There was a 6 square foot piece of wrapping paper for a birthday present. It takes 3 3/8 square feet pg the paper to wrap the present. How many pieces of 6 square foot paper are needed to wrap 3 of these presents? Please help me. I tried dividing. Please anyone!
*Wednesday, November 4, 2015 by Secret Student*

**math **

The average cost of manufacturing a quantity q of a good, is defined to be a(q) = C(q)/q. The average cost per item to produce q items is given by a(q) = 0.01q2 − 0.6q + 13, for q >0. (a) What is the total cost, C(q),of producing q goods? For this do I just put the ...
*Wednesday, November 4, 2015 by Jasmine*

**math**

The total cost C(q) of producing q goods is given by the following equation. C(q) = 0.01q^3 − 0.6q^2 + 13q What is the maximum profit if each item is sold for $9? (Assume you sell everything you produce. Round your answer to the nearest cent.) I know the fixed cost is 0 ...
*Wednesday, November 4, 2015 by Jasmine*

**math**

The revenue from selling q items is R(q) = 600q − q^2, and the total cost is C(q) = 150 + 50q. Write a function that gives the total profit earned. It is my understanding that profit = revenue - costs. So when I tried to write the function for total profit earned, I ...
*Wednesday, November 4, 2015 by Jasmine*

**math**

Norman wanted to bowl a strike, but to do so he needed to cause his bowling ball (mass of 5 kg) to accelerate at 15 m/s2. How much force does Norman need to exert on his bowling ball to get a strike? Show your work.
*Wednesday, November 4, 2015 by Anonymous*

**honors math**

Y=16-5x Y=1/2x-9 Y=3x Y=10 Need to write a parallel equation, perpendicular equation and neither parallel nor perpendicular line for all of them, please help
*Wednesday, November 4, 2015 by Anonymous*

**Marh**

If 1/3 of the math team are 7th graders and 1/4 of the math team are boys, how many are 7th grade boys? 1/4 of 1/3 = 1/12
*Wednesday, November 4, 2015 by Bev*

**math**

Destiny placed her hair ribbons in 3 groups of 5 on her dresser. How many hair ribbons in all does Destiny have? Draw a diagram to solve.
*Wednesday, November 4, 2015 by Munem*

**6th grade Math **

Shelley compared the number of oak trees to the number of mable trees as a part of a study. She counted 9 mable trees to every 5 oak trees. Later in the year there was bug problem and many trees died. New trees were planted to make sure there was the same amount of trees as ...
*Wednesday, November 4, 2015 by Harms*

**math**

There is one coach for every 12 players. How many coaches will be needed for 48 volleyball players? Use a bar diagram to solve. (I know the answer is 4 coaches, but I don't know how to draw the diagram for the problem)
*Wednesday, November 4, 2015 by Angelina*

**Math**

Water stations will be placed every 400 meters of a 5'kilometer race. How many water stations are needed. 5000 divided by 400 = 12.5
*Wednesday, November 4, 2015 by Jennifer*

**Math**

Please help with function rule X Y -7 -1 -4 -3 -1 -5 2 7 5 -9 Thank you
*Wednesday, November 4, 2015 by Vincent*

**Math**

For f(x) = 0.01(2)^x, find the average rate of change from x = 2 to x = 10. A.1.275 B.8 C.10.2 D.10.24
*Wednesday, November 4, 2015 by Ruby*

**low math**

A section of a boardwalk is made using 15 boards. Each board is 9 1/4 inches wide. The total width of the section is 144 inches. The spacing between each board is equal. What is the width of the spacing between each board? Write your answer in simplest form.
*Wednesday, November 4, 2015 by Billy*

**math**

what is the answer for bard is making necklaces and he did 1 white and than 3 blue and than 1 white
*Wednesday, November 4, 2015 by nicole*

**Math**

A section of a boardwalk is made using 15 boards. Each board is 914 inches wide. The total width of the section is 144 inches. The spacing between each board is equal. What is the width of the spacing between each board? Write your answer in simplest form.
*Wednesday, November 4, 2015 by joe*

**Math**

Point A(6, -2) is reflected over the x-axis. Write the coordinates of A'. A.)6,2 B.)6,-2 C.)(-6,2 D.)(-6,-2 D?
*Wednesday, November 4, 2015 by Shalee^~^*

**math**

if a bill is $53.00 tax is 6% and tip is 20% what is the total bill
*Wednesday, November 4, 2015 by joseph*

**Physics**

So this is the problem: A comet is in an elliptical orbit around our Sun. At its point of closest approach, it is moving at 6.3x10^4 m/s and is 4.2x10^10m away from the sun. When it is at the farthest distance, 7.5x10^12m away, how fast is it going? This is what I did K1+U1=K2...
*Wednesday, November 4, 2015 by Crystal*