On Saturday, the fruit and juice bar was selling 30 glasses of fruit punch an hour. By 7 p.m., they had sold 270 glasses. If their goal was to sell at least 360 glasses of fruit punch, which inequality can be used to find h, the number of hours they must stay open to make ...
Wednesday, October 7, 2015 by Anonymous
There is proportional relationship between your distance from a thunderstorm and the time from when you see lightning and hear thunder. If there are 9 seconds between lightning and thunder, the storm is about 3 kilometers away. If you double the amount of time between ...
Wednesday, October 7, 2015 by kimie
what is the rule for this pattern 12 15 18 21 A.start with 12 and subtract 3 repeatedly B.start with 12 and add 3 repeatedly C.start with 12 and add 4 repeatedly D.start with 12 and subtract 4 repeatedly what is the rule for this pattern 17 20 19 22 21 A.start with 17 then add...
Wednesday, October 7, 2015 by Mahoganie
You are having a discussion about sequences with your classmate. She insists that the sequence 2,3,5,8,12 must be either arithmetic or geometric. Is she correct or incorrect? Explain.
Wednesday, October 7, 2015 by Taryn Hughey
You are making cookies. One recipe calls for 4 cups of chocolate morsels for 3 batches. A second recipe calls for 5 cups of chocolate morsels for 4 batches of cookies. Which cookies will contain more chocolate morsels?
Wednesday, October 7, 2015 by Kaye Tyler
The energy-separation curve for two atoms, a distance, r, apart is: U(r)=−A/r^m+B/r^n first I have: ((A*m)/(B*n))^(1/(m-n)) Derive and expression for the stiffness of the bond at the equilibrium spacing, in terms of A, B, m, n, and r0. S=dF/dr at r=r0:
Wednesday, October 7, 2015 by qwert
Jeff has to pay his car insurance annually. If his total bill is $744, how much money should he set aside each month for car insurance? Round to the nearest dollar.
Wednesday, October 7, 2015 by Anonymous
I have this project: The length of a football field is 100 yards. When you compare geologic time (4.6 billion years) to the length of a football field, you will find that each yard on the field will equal 46 million years, and each 10-yard section will equal 460 million years...
Wednesday, October 7, 2015 by Lol444
A home owner goes to the hardware store to purchase the letters that make up a number for a sign he is making, (e.g., F-O-U-R, N-I-N-E, etc.). When he arrives, other customers are doing the same thing. The first customer buys the letters to display ONE, and pays $40. The next ...
Tuesday, October 6, 2015 by anthony
If the bakery started with an extra $250 from the profits in December, describe how to use the information in the table to figure out the profit or loss of money at the bakery by the end of August. Then calculate the profit or loss.
Tuesday, October 6, 2015 by Makenzey
Jamal and dorothy wete hiking and had a choice between two trails. One was 5 1/3 miles long, and the other was 1 3/4 times as long. How long was the longer trail?
Tuesday, October 6, 2015 by Colton
Q. The coach of a baseball team separates the players into groups for the drills. Each group has the same number of players. Is the total number of players prime or composite, explain. - A. They really don't say the number in the book, but i would have to say composite, ...
Tuesday, October 6, 2015 by Lilly
math 4th grade
Anna has 32 red beads, 16 blue beads, and 8 green beads. She wants to put an equal number of each kind of bead on necklaces she is making. How many of each kind of beads can Anna put on each necklace? Can anyone explain this clearly.
Tuesday, October 6, 2015 by kk
The kids can choose 3 sides at the cafeteria, including a. fries, b.carrots, c. macaroni, d. broccoli, e. beans. how many choices they have? and what are the probability that a child is going to pick macaroni, carrots and beans (together)? I was thinking on the first place the...
Tuesday, October 6, 2015 by edina
1. The formula v= (square root) 64h can be used to find the velocity, v, in feet. Round to the nearest tenth. a. 6.9ft/s b. 69.2ft/s c. 69.4ft/s** d. 69.3ft/s 2. How does finding the square root of a number compare to finding the cube root of a number? Explain plz
Tuesday, October 6, 2015 by kayla ( plz help)
A particle starts at the origin and moves along the curve 4y = x^2 to the point (4, 4). If the y-component of its acceleration is always equals 2 and the y-component of its velocity is initially zero, find the x-component of its acceleration.
Tuesday, October 6, 2015 by cat
describe a real world relationship between the area of a rectangle and its width, as the width varies and the length stays the same. Sketch a graph to show this relationship.
Tuesday, October 6, 2015 by Robert
It costs $17 per square foot to buy and install a certain kind of tile on a floor. Find the cost of buying and installing that tile in a large rectangular room that measures 8.5 yards by 15 yards.
Tuesday, October 6, 2015 by Lateashea
If you know the rate of a water leak in gallons per hour, how can you find the number of hours it takes for 1 gallon to leak out? Justify your answer. THANK YOU!
Tuesday, October 6, 2015 by kimie
1. Estimate the value of the square root of 45 o the nearest integer. a. -7 b. 6 c. 7** d. -6 2. An estimate for the square root of -66 is ? a. -6 b. -7 c. -8** d. -9 3. An estimate for the square root of 3 is? A. 1 B. 1.2 C. 1.7** D. 2
Tuesday, October 6, 2015 by kayla plz help
math- 165 calculas
An open box is to be made from a eighteen-inch by eighteen-inch square piece of material by cutting equal squares from the corners and turning up the sides (see figure). Find the volume of the largest box that can be made. figure ( a box and one side is 18-2x) v= ? in^3
Tuesday, October 6, 2015 by akash
Gretchen and Ezia received equal scores on a test made up of multiple choice questions and an essay. Gretchen got 18 multiple choice questions correct and received 19 points for her essay. Ezia got 15 multiple choice questions correct and received 31 points for her essay. How ...
Tuesday, October 6, 2015 by Anonymous
a submarine is 800 meters below the surface of the ocean and is ascending at a rate of 40 meters every minute. mathematical reasoning can be used to determine when the submarine would reach the surface which graph below most accurately communicates this reasoning?
Tuesday, October 6, 2015 by billee
a rectangular field is 750 m long and 450 m broad has two roads in middle of it,which are 5 m wide, running at right angles to each other. one is along the breadth and the other along the length .find the area
Tuesday, October 6, 2015 by evin
An online retailer sells two packages of protein bars. Package A: 10-pack of 2.1 ounce bars Cost A: $15.37 Package B: 12-pack of 1.4 ounce bars Cost B: $15.35 1)Which package has the better per bar? 2)Which package has the better price per ounce? 3)Which package do you think ...
Tuesday, October 6, 2015 by kimie
Here is the information for two pay-as-you-go cell phone companies, On Call- 3.5 hours: $10 Talk Time- 1/2 hour: $1.25 1)What is the unit rate in dollars per hour for each company? 2)Which company offers the best deal? Explain your answer. 3)Another company offers a rate of $0...
Tuesday, October 6, 2015 by Tim
One day, a deli sold a total of 39 hamburgers and hot dogs. The revenue from these sales was $137.35. The hamburgers were $3.87 each and the hot dogs cost $2.90 each. a) Write a mathematical expression for the number of burgers, x, and the number of hot dogs, y, sold that day...
Monday, October 5, 2015 by Dustin
A truck can be rented from Basic Rental for $45.00 a day plus $0.25 per mile. Continental charges $25.50 per day plus $0.40 per mile to rent the same truck. a) Write an expression to calculate the cost of renting and driving a truck from Basic Rental. Let x be the number of ...
Monday, October 5, 2015 by Dustin
Zabato is thinking of a number. Three times the sum of the number and ten is the same as eight times the number. What is Zabatos number? Help! so confused thank you!
Monday, October 5, 2015 by Emily
geologists estimate that earths temperature rises about 10 degrees celsius for every kilometer k below earths surface. suppose it is 50 degrees celsius on the surface of the earth. What is the formula for the temperature t in degrees celsius at a dept of k km?
Monday, October 5, 2015 by Julia
Find the distance btw two cities. Assume that the Earth is is a sphere of the radius 4000 miles and that the cities are the on the same longitude(one city is due north of the other).
Monday, October 5, 2015 by salma
a small plane heads west at 320 kph. there is a north wind blowing at 24 kph. what is the velocity (2 parts!) of the plane with respect to the ground? would the answer be 320.9 kph? but there are two parts to the answer. what is the other part?
Monday, October 5, 2015 by clarice
in a class, 3/5 of the girls and 1/6 of the boys wear spectacles. If 3/4 of those who are wearing spectacles are girls, what fraction of the pupils does not wear spectacles?
Monday, October 5, 2015 by Luke
Q. A teacher divides 36 students into equal groups for a scavenger hunt. Each group should have at least 4 students, but no more than 8. What are the group's possible sizes?
Monday, October 5, 2015 by Yanilda
What is the probability of pulling the 2 of clubs from a standard deck of playing cards (52 cards)? .25?? What is the probability of NOT rolling a 5 on a six-sided die? 3/6? or 5/6? What is the probability of pulling a diamond from a standard deck of playing cards (52 cards...
Monday, October 5, 2015 by Gigi
I'm having trouble just starting this problem You receive a $500 gift and decide to use it to start saving for a car. You add $50 dollars a week from your part time job. Write the recursive definition for an arithmetic sequence that models this situation. Then, find the ...
Monday, October 5, 2015 by MathlessinCarolina
A triangle ABC has a trisected angle A. The angle trisectors divide side a (opposite angle A) into three segments which are BD, DE, and DC. The lengths are 2, 3, and 6, respectively. What are the lengths of the other sides?
Monday, October 5, 2015 by Z
What help you. To find the product of 3-digit number and a 1-digit number you can multiply the ones multiply the tens multiply the hundreds and find the sum of each what
Monday, October 5, 2015 by samya
If 10 classes in 10 schools receive 10 calculators each, which expression (10+10+10 or 10x3 or 1000 ) represent the amount of calculators the school discrit will buy.
Monday, October 5, 2015 by A
Math 3rd grade
The roadrunner bird can run 14 times miles per hour. That's 7 times faster than an ostrich can walk. How fast does an ostrich walk? 7 X ?= 14 I would write the equation like this. Not sure my 8 year old would be able to do this. She knows that 7x 2 or 7+7+14, but they want...
Monday, October 5, 2015 by Lisa M.
How many liters of a blue dye that cost 1.80 per liter must be mixed with 20 l of anil which costs 2.60 per liter to make a mixture that cost 2.12 per liter
Monday, October 5, 2015 by totsy
I know all my answers in my quiz but this one please help Order the rational numbers from least to greatest :0.42, -1/2, 11/20, -0.51 thanks again I'm not good with decimals :P
Monday, October 5, 2015 by Deez Got Hee
Math in Science
Estimate the thickness of plant matter that produced a bed of coal 0.6 m thick. About how much coal would have been produced from a layer of plant matter 0.50 m thick.
Monday, October 5, 2015 by Zoe
both jamie and her brother david were born on the same day but david was born three years before jamie how can you represent the relationship between james and david's ages in a table,graph, and equation
Monday, October 5, 2015 by sophie
Could someone help me solve this Absolute Equation? Please? I really cant figure it out and I would really appreciate any help... Question~~ Evaluate the given expressions when a = 3, b = -3, c = 4, and d = -1 (a/c)|c| + b d My answer~ (a/c)|c|+b-d (3/4)|4|+(-3...
Monday, October 5, 2015 by Abby
A length of ribbon is 3 1/2 yd long. How many pieces 1 5/9 yd long can Joy cut from the ribbon? 1 2 3 4 Which number is equivalent to 0.45? 1/45 5/11 4/5 1/4 What is 3.56 x 10 *5 in standard notation? 356,000 3,560,000 0.00356 0.0000356 Ms. Johnson's class is having a ...
Monday, October 5, 2015 by Lola
Math help please?! :)
What is the solution to (4 x 10^3) x (6 x 10^6), written in scientific notation? 24 x 10^9 2.4 x 10^9 24 x 10^18 2.4 x 10^10 Ted Andrews bought 15 shares of Clark Company stock at $14.875. He sold them a month later $20.375. What was his profit? $6.50 $49.50 $80.50 $82.50 ...
Monday, October 5, 2015 by Mariana
Math; PLEASE CHECK MY ANSWERS
1.Which of the following is greater than 4.3x10^9 A)2.1x10^9 B)3.2x10^9 C)5.3x10^9 D)7.4x10^8*** 2.Which of the following are less than 6.5x10^-5? A)1.4x10^-3 B)2.5x10^-4 C)7.8x10^-5 D)4.6x10^-6*** 3.Which number is greater than 5.5x10^-7 A)1.8x10^-12 B)6.7x10^8*** C)5.2x10^3 ...
Monday, October 5, 2015 by Anonymous
The energy-separation curve for two atoms, a distance, r, apart is: U(r)=−A/r^m+B/r^n Derive and expression for the stiffness of the bond at the equilibrium spacing, in terms of A, B, m, n, and r0. S=dF/dr at r=r0: This is wrong answer for S: Am/r^(m+1) - Bn/r^(n+1)
Monday, October 5, 2015 by qw