Sunday
November 29, 2015

# Homework Help: Math

## Recent Math Questions

Math
Suppose a planet has a radius of 5,000 km. Starting at the point on its surface at 0 degrees longitude and 0 degrees latitude,find the distance to the point on its surface at 30 degrees longitude and 60 degrees latitude.
Wednesday, November 4, 2015 by AC

MATH
Is the simplified form of 2square root of 3 − 2square root of 3 rational? Yes or no
Wednesday, November 4, 2015 by Marie

Math
Simplify 3 square root of 5 end root minus 2 square root of 7 end root plus square root of 45 end root minus square root of 28. A.2 square root of 12 B.2 square root of 2 C.6 square root of 5 - 4 square root of7 D.6 square root of 10 - 4 square root of 14
Wednesday, November 4, 2015 by Marie

Math
Is the simplified form of 2square root of 3 − 2square root of 3 rational Yes or No
Wednesday, November 4, 2015 by Lucy

math
most characters at disney world have a height requirement between 4ft and 6ft. find the percetage of women metting the requirement if M= 63.8 in and q = 2.4 in
Tuesday, November 3, 2015 by alex

math
to win the lotto you must choose six different numbers from 1 to 44 to match the same numbers drawn. the order of the numbers does not matter. what is the probability of winning
Tuesday, November 3, 2015 by alex

Math
How do I rewrite this as a radical expression? (3 2/3) 1/6
Tuesday, November 3, 2015 by Lucy

math
please help me with this!!! How can I rewrite this as a rational exponent? 3 square root 2^7 Thanks
Tuesday, November 3, 2015 by Lucy

Math
Justin had 5 packages with 8 bottles of water in each package. He drank some of the bottles before the trip. During the trip, he drank 5 bottles a day. He drank all of the bottles before he went home. How many bottles of water did Justin drink before the trip? Explain
Tuesday, November 3, 2015 by Ron

Math
The temperature on a cold December morning dropped from 37 degrees to -4 degrees. How many degrees did the temperature fall?
Tuesday, November 3, 2015 by Ceanna

Math
If Nicholas is located at (-3,2) what is the distance to get to the grocery store? Grocery store coordinates: (-1,1) 2 3 4 5****
Tuesday, November 3, 2015 by Shalee^~^

math
Sarah works for a sales company and earns $1500 a month. She also earns$45 for every sale she makes A) whats the equation B)How much money for 10 sales C)if she makes $2,535 how much did she sell Tuesday, November 3, 2015 by nyan Math What is the unit rate in 10 gallons in 2 Tuesday, November 3, 2015 by Alex Finance/math Reimbursement per screen 66.05 Equip cost/mo 1450.00 technologist cost per Mammography$15.60 tech aid/per $3.10 Variable cost per mamo$15.00 Equip. maintanance/mo. per machine $916.66 1) what is the monthly patient volume needed per month to cover fixed and variable costs? 2... Tuesday, November 3, 2015 by Lori math If an arrow is shot straight upward on the moon with a velocity of 73 m/s, its height (in meters) after t seconds is given by s(t) = 73 t - 0.83 t^2. (A) What is the velocity of the arrow (include units) after 5 seconds? (B) How long will it take for the arrow to return and ... Tuesday, November 3, 2015 by PAT math The displacement (in meters) of a particle moving in a straight line is given by s = 4 t^3 where t is measured in seconds. Find the average velocity of the particle over the time interval [ 7 , 9]. Find the (instantaneous) velocity of the particle when t = 7. Tuesday, November 3, 2015 by PAT math A spherical snowball is melting so that its diameter is decreasing at rate of 0.2 cm/min. At what is the rate is the volume of the snowball changing when the diameter is 18 cm? The volume is changing at a rate of Tuesday, November 3, 2015 by PAT math Oil spilled from a ruptured tanker spreads in a circle whose area increases at a constant rate of 6.5 {\rm mi}^2{\rm /hr}. How rapidly is radius of the spill increasing when the area is 10 {\rm mi}^2? The radius is increasing at Tuesday, November 3, 2015 by PAT math Oil spilled from a ruptured tanker spreads in a circle whose area increases at a constant rate of 6.5 {\rm mi}^2{\rm /hr}. How rapidly is radius of the spill increasing when the area is 10 {\rm mi}^2? The radius is increasing at Tuesday, November 3, 2015 by PAT math A kite 75\text{ft} above the ground moves horizontally at a speed of 4\text{ft/s}. At what rate is the angle between the string and the horizontal decreasing when 250\text{ft} of string has been let out? Answer (in radians per second) Tuesday, November 3, 2015 by PAT math A street light is at the top of a 15 ft pole. A 5 ft tall girl walks along a straight path away from the pole with a speed of 5 ft/sec. (A)At what rate is the tip of her shadow moving away from the light (ie. away from the top of the pole) when the girl is 28 ft away from the ... Tuesday, November 3, 2015 by PAT math There are 356 rows of tress growing in the field. There are 299 trees in each row. How many trees are growing in the field? Do I subtract 299 from 356 I got the answer 57. Tuesday, November 3, 2015 by iyana math A conical water tank with vertex down has a radius of 13 feet at the top and is 28 feet high. If water flows into the tank at a rate of 10 {\rm ft}^3{\rm /min}, how fast is the depth of the water increasing when the water is 17 feet deep? Tuesday, November 3, 2015 by PAT math 4 hundres plus 10 tens plus 3 ones is the same as what? Tuesday, November 3, 2015 by iyana Math 1. Which set represents a Pythagorean triple? (1 point) 27, 38, 42 33, 44, 55 35, 38, 42 68, 72, 81 2. Which number completes the Pythagorean triple: 12, 16, ____? (1 point) 18 20 22 24 3. Which set represents a Pythagorean triple? (1 point) 1, 2, 4 2, 4, 6 3, 4, 10 5, 12, 13 ... Tuesday, November 3, 2015 by Shalee^~^ math Alice Correa bought three yards of cloth to make a dress. The cloth was on sale for$1.93 per yard. How much did Alice pay for the cloth if the sales tax was 5 percent?
Tuesday, November 3, 2015 by Anonymous

Math
What's -6 + 2/12? Could you please show your steps? Thank you! :)
Tuesday, November 3, 2015 by Hanna

math
whatis 3/4 divided by 2
Tuesday, November 3, 2015 by kalyn

Math
What is -7 3/8 - (-1 7/12)?
Tuesday, November 3, 2015 by Anonymous

Math
While rummaging through the attic
Tuesday, November 3, 2015 by Cathryn

Math
This is a quick one. What is 1 1/8 divided by 1/4? Due tmrw asap.
Tuesday, November 3, 2015 by Secret Student

math
Find the product of 27×60. Then explain how you would use mental math to find the product of 27×600
Tuesday, November 3, 2015 by lucia

Math
PLEASE HELP ME! You are measuring walnuts for banana walnut oatmeal and a spinach and walnut salad. You need 3/8 cup of walnuts for the oatmeal and 3/4 cup of walnuts for the salad. You have a 1/4-cup scoop. Describe two different ways to find how many scoops of walnuts you ...
Tuesday, November 3, 2015 by Secret Student

Math
Describe a real-world problem that can be solved using the expression 29 divided by (3/8 + 5/6). Find the answer in the context of the situation. Please help! Due tomorrow. I would really appreciate it!
Tuesday, November 3, 2015 by Secret Student

Math
15-4(a-5) If a=8 Simplify this please :)
Tuesday, November 3, 2015 by Klinkie

math
There are 40 vehicles in a parking lot. Twenty percent of the vehicles are pickup trucks. How many pickup trucks are in the parking lot?
Tuesday, November 3, 2015 by Richard

The sum is 1.7 and the product is 6.3. What are the numbers?
Tuesday, November 3, 2015 by Kevin

math
4. From your equation, find the European equivalent for U. S. size 8. equation~ m = (y2 – y1) / (x2 – x1) m = (39-34) / (5-3) m = 5/2 b=26.5 Equation = y=5/2x+26.5 Can someone please help me answer this? I have a graph if you need it... ps thank you for any help you ...
Tuesday, November 3, 2015 by Abby

Math
Mr. Niles has a box of accessories for clarinets. He has a total of 42 objects. He has 12 mouthpieces. He has four times as many reeds as neck straps. How many of each object does he have? I tried so hard but I just didn't understand it and I am in fifth grade. Please ...
Tuesday, November 3, 2015 by Marie

Math
What is 50 percent of 84
Tuesday, November 3, 2015 by Anonymous

math
4X472 rounding
Tuesday, November 3, 2015 by Anonymous

Math
Indira and Jean begin their hike at 10 a.m. one morning. They plan to hike from the 2 2/5-mile marker to the 8 1/10-mile marker along the trail. They plan to hike at an average speed of 3 miles per hour. Will they reach 8 1/10-mile marker by noon? Explain your reasoning. I had...
Tuesday, November 3, 2015 by Secret Student

math
an aircraft with an airspeed of 295km/hr is heading south. wind blowing from East at 30km/hr is against the aircraft. 1) sketch the information clearly showing all angles and vectors. 2) calculate the resultant speed and direction of the aircraft
Tuesday, November 3, 2015 by stormy

Math
Spent half of her money then 10 more, went to second store, spent half the money she had left and then 10 more. No money left over how much did she have
Tuesday, November 3, 2015 by Anonymous

math
How many gold coins are you there in a jar of 90 coins , if there are 1/4 as many silver coins as gold coins?
Tuesday, November 3, 2015 by sajivan lal

math
At a school there are 704 chairs to place into 22 classes if the same number of chairs are placed in each class rooms how many chairs will be in each room? So I divided 704 by 22 and came up with 32 chairs and I correct.
Tuesday, November 3, 2015 by kim

Math
Is |5|and |-5|equal? Its really hard to figure out.
Tuesday, November 3, 2015 by Natalie

Math
1. Quinn spent $16.49 for 3 magazines and 4 sheets of stickers. The magazines cost$3.99 each and the sales tax was $1.02. Quinn also used a coupon for$1.50 off her purchase. If each sheet of stickers had the same cost, how much did each sheet of stickers cost? 2. Jairo spent...
Tuesday, November 3, 2015 by Patrick

MATH :|
-Hey I know this is my fourth time posting this but, I have figured a lot on my own. But I have no idea what to do for the "Analyze it" questions. Semester A Unit 4 Lesson 5: Cool Crafts Portfolio Template Choose a room you would like to decorate: _My Bed ...
Tuesday, November 3, 2015 by Mathbeep

math
The total land area for the United States is 3537438.98 square miles what is the value rounded to the nearest thousand square miles?
Tuesday, November 3, 2015 by kim

Math
A clothing owner has 1734 meter of fabric to make identical sweaters of all the same if each sweater uses 3.4 meters of fabric how many sweaters could be made?
Tuesday, November 3, 2015 by Iyana

Math
Lindsay has 10 inches of ribbon. She buys another three lengths of ribbon, each 5 inches long. How much ribbon does she have now?
Tuesday, November 3, 2015 by Liz

Math
-Hey I know this is my fourth time posting this but, I have figured a lot on my own. But I have no idea what to do for the "Analyze it" questions. Semester A Unit 4 Lesson 5: Cool Crafts Portfolio Template Choose a room you would like to decorate: _My Bed ...
Tuesday, November 3, 2015 by Mathbeep

The table shows the length of four tracks on an album and the total number of beats in that song. Album Track Length (min:sec) Total Beats Track 1 3:44 332 Track 2 4:36 387 Track 3 4:12 365 Track 4 3:49 328 Place the tracks in order from least to greatest number of beats per ...
Tuesday, November 3, 2015 by Kyson

Math
Ellen has a bag with 3 red marbles and 2 blue marbles in it. She is going to randomly draw a marble from the bag 300300300 times, putting the marble back in the bag after each draw.
Tuesday, November 3, 2015 by Kalesia Barren

math
what is 20/30 in lowest term
Tuesday, November 3, 2015 by zackery

Math 5th
What is 9/9-2/3
Tuesday, November 3, 2015 by Emily

Math
Pablo has $3.15in dimes and guaters. How many guaters and dimes does he have? Tuesday, November 3, 2015 by Kourtney Math The length of a rectangle is 8 meters less than 5 times its width. if the perimeter of the rectangle is at most 104 meters, find the greatest possible width of the rectangle. Tuesday, November 3, 2015 by Marisol Math write the following equation in slope intercept form 3x+4y=12 I'm lost on this question Tuesday, November 3, 2015 by Lucy Math an electrician needs to run a cable from the top of a 48-foot tower to a transmitter box located 20 feet away from the base of the tower. Find how long he should cut the cable. Tuesday, November 3, 2015 by Nick Math Your doctor told you to eat 25 grams of fiber each day. You had 4 grams of fiber for breakfast. What percent of the 25 grams of fiber have you eaten so far? Tuesday, November 3, 2015 by Yuki math again helpp 0.6x + 0.8 = 1.4 Explain each step and identify the property Tuesday, November 3, 2015 by ttng math A boat pilot wishes to go in a straight line across a river from the east dock to the west dock in a ferryboat that has a still water speed 8.0 knots. If the river has a Southward current of 2.5 knots, what compass heading should be maintaned while crossing the river? What is ... Tuesday, November 3, 2015 by b0b Math 75Kg 568g - 8kg 959g —————— 66kg 609g Is it correct Tuesday, November 3, 2015 by Laffo06 math there are 21 appels and 7 stalks of grapes how much fruit is there. A. 28**** B.17 C.22 D. none of the above Tuesday, November 3, 2015 by havanna math GEOMETRY The formula for the perimeter of a rectangle is P = 2 + 2w, where is the length and w is the width. A rectangle has a perimeter of 24 inches. Find its dimensions if its length is 3 inches greater than its width. Tuesday, November 3, 2015 by Sally Math A boat pilot wishes to go in a straight line across a river from the east dock to the west dock in a ferryboat that has a still water speed 8.0 knots. If the river has a Southward current of 2.5 knots, what compass heading should be maintaned while crossing the river? What is ... Tuesday, November 3, 2015 by Jack Math Suppose a planet has a radius of 5,000 km. Starting at the point on its surface at 0 degrees longitude and 0 degrees latitude,find the distance to the point on its surface at 30 degrees longitude and 60 degrees latitude Tuesday, November 3, 2015 by Student AC math Which measurement is the best estimate for the length of a clothespin? a.9 mm. b.9 cm. c.9 m. d.9 km. Tuesday, November 3, 2015 by latrent math on two tests so far this year a student received a 78 and a 93 the student want an average between 80 and 90 inclusive what are all of the possible scores for the third test so that the student falls within this average I don't understand what you said steve Tuesday, November 3, 2015 by amy Math Semester A Unit 4 Lesson 5: Cool Crafts Portfolio Template Choose a room you would like to decorate: My Bed room Measure the length of one wall in inches: 72 2. Choose a size of paper to use. *I recommend just using a standard 8.5 inch by 11 inch piece of paper. Then fold it ... Tuesday, November 3, 2015 by Mathbeep math on two tests so far this year a student received a 78 and a 93 the student want an average between 80 and 90 inclusive what are all of the possible scores for the third test so that the student falls within this average Tuesday, November 3, 2015 by amy math Next question: Can somebody express this in terms of q,E,I,L,P. d^2v / dx^2 = -(((P/L)*(l-x)^2)/2) / (E*I) Tuesday, November 3, 2015 by qw math Can somebody express this in terms of q,E,I,L,P. d^2v / dx^2 = -P(l-x)-((q*(l-x)^2)/2) / (E*I) Tuesday, November 3, 2015 by qw math A Circular flower bed is surrounded by a path 5 m wide. The diameter of flower bed is 65 m. What is the area of the path? Tuesday, November 3, 2015 by Gautam Jha math Question: A football team lost 9 yards on its first play. On the next two plays they gained 3 yards and then 6 yards. A. What expression can be written to represent how many yards the football team is from where it started? Explain your reasoning. B. How many yards is the ... Tuesday, November 3, 2015 by pink math Write the equation in slope-intercept form of the line that passes through the point (-3, 5) and has a slope of 2/3. Tuesday, November 3, 2015 by sabrina math Can somebody express this in terms of q,E,I,L,P. d^2v / dx^2 = -(((P/L)*(l-x)^2)/2) / (E*I) Tuesday, November 3, 2015 by qw math Can somebody express this in terms of q,E,I,L,P. d^2v / dx^2 = -P(l-x)-((q*(l-x)^2)/2) / (E*I) Tuesday, November 3, 2015 by qw math 1/3 (12p + 9q) Tuesday, November 3, 2015 by Anonymous math when making a batch of orange juice for her basketball team, Jackie used 5 time as much water as concentrate, There were 32 more cups of water than concentrate.How much juice did she make in all. She poured the juice into quart containers. How many containers could she fill Tuesday, November 3, 2015 by Anonymous math how do you convert pounds into liters? Tuesday, November 3, 2015 by larry MATH Find all values of p such that 2(x+4)(x-2p) has a minimum value of -18. (AoPS, Please show steps) Tuesday, November 3, 2015 by Steve Math Zachary pitches twice a week. He throws an average of 75 pitches in a game. How many pitches does he throw in one week Monday, November 2, 2015 by Anonymous Math a wrench is dropped by a worker at a construction site. four seconds later the worker hears it hit the ground below. How high is the worker above the ground? (The velocity of sound is 1100 ft/s, and the distance the wrench falls as a function of time is s=6t^2 Monday, November 2, 2015 by John math Lily plants 80 seeds in her garden. Half of them are carrots. The rest are pumpkins and radishes. There are 6 more pumpkin seed than radish seeds. a. How many radish seeds are there? b. How many carrot and radish seeds does Lily plant? Monday, November 2, 2015 by teresa math A submarine enters the sea at an initial speed of 2 meters per minute. The submarine's speed triples every minute. What is the submarine's speed after 5 minutes? Monday, November 2, 2015 by sherry math A bottler company dilutes and mixes concentrated juice with carbonated water then fills the blended beverage into two-liter bottles Brand 1 - 81,000 two-liters Brand 2 - 62,000 two-liters Assume that the concentrate costs$66 per pound for both Brand 1 and Brand 2 and is used ...
Monday, November 2, 2015 by larry

Math
A magazine advertises that a subscription price of $29.99 ( for 12 issues) represents a savings of 70% from the newsstand price. A- What does this imply the price of one issue must be? B- If you found that the actual price for a single issue is$8.00, would you consider the ad...

Math
Please check my answer for this: 17 - 4 x 3 + 8 = The answer I come to is 13
Monday, November 2, 2015 by Sal

math
rebecca bought 1 1/2 pounds of grapes, they cost her $3.72 per pound. What was the total cost of her grapes? Monday, November 2, 2015 by marie math concentrated juice costs$66 per pound, how much will be spent to fill 81,000 two-liters?
Monday, November 2, 2015 by larry

math
How many cups of sorbet are in 8 cups of punch if 15% of 1 cup is sorbet?
Monday, November 2, 2015 by beatrice

math
A computer password is required to be 5 characters long. How many passwords are possible if the password requires 1 letter(s) and 4 digits (numbers 0-9), where no repetition of any letter or digit is allowed?
Monday, November 2, 2015 by hana

Math Algebra
TechWiz Electronics makes a profit of $35 for each MP3 player sold and$18 for each DVD player sold. Last week, TechWiz sold a combined total of 130 MP3 and DVD players. Let x be the number of MP3 players TechWiz sold last week. Write an expression for the combined total ...
Monday, November 2, 2015 by Lisa

Math algebra 2
Identify the vertex the axis of symmetry,the maximum, or minimum value and the range of each parabola Y=x^2-4x+1
Monday, November 2, 2015 by Annie

math
On a recent day, 8 euros were worth $9 and 24 euros were worth 24 euros were worth$27. Write an equation of the form y=(k)x to show the relationship between the number of euros and the value in dollars. Where y is dollars and x is euros. I got y=.89x am I right?
Monday, November 2, 2015 by Samantha

math
On a recent day, 8 euros were worth $9 and 24 euros were worth 24 euros were worth$27. Write an equation of the form y=(k)x to show the relationship between the number of euros and the value in dollars. Where y is dollars and x is euros
Monday, November 2, 2015 by Samantha

Members