Wednesday
February 22, 2017

# Homework Help: Math

## Recent Math Questions

Math
A wheel made 300 revolutions at 31 2/7 revolutions per minute. How many minutes did it rotate? Thanks
Saturday, January 14, 2017 by Nani

Math
1. Calculate the amount of fluorescein (MW 332.31) you will need to make 10 mL of 15 mM solution in ethanol (EtOH). My answer:0.05 g 2.Using Equation C1V1=C2V2 calculate the volume of stock solution (15 mM) you need to make 1 mL of each working solution concentration: 0 mM and...
Saturday, January 14, 2017 by Vivian

Math
Consider the propositions p: "You like hockey.", q: "You like the cold.", r: "You play hockey.", and s: "You watch hockey." Write the following propositions using p,q,r and s and logical connectives. (a) You watch hockey but you do not play hockey. (b) If you do not like ...
Saturday, January 14, 2017 by Winston

math
If the first term of an AP is 5 and it's 100th term is -292.find it's 50th term.
Saturday, January 14, 2017 by m

math
new syllabus maths 3 , pg -250 , Q.4 In the diagram , AP, BQ and CR are the angle bisectors of A , B and C respectively. Given that A =50 , B =70 and C=60 , find P,Q and R.
Saturday, January 14, 2017 by Wessem

math
a picture which measures 48cm by 40cm is surrounded by a frame which is 1cm wide.calculate the area of the frame
Saturday, January 14, 2017 by BRATTE

math
3 type of beans, whose prices per kg are respectively $15m,$25 and $30 are to be taken 2 at a time and mixed in the same proportion so that the resulting mixture are of equal value. How many they be mixed and the price /kg for resulting mixture. (ans; 2:3,$21/kg
Saturday, January 14, 2017 by peterlaw

Math Help ;)
So, I've been stuck in these for quite some time.... can someone help me? Which ratios can form a proportion? A) 9/45 , 8/40 B) 8/12 , 12/21 C) 8/12 , 12/15 D) 9/22 , 14/28 I think it might be C but my brain is fried. Thank you so much, Jacob
Friday, January 13, 2017 by Jacob

math
1. Cheryl pours 1 pint of milk from a full 1-gallon jug. How much milk remains in the jug? I think 7 pints. 2.Ada buys 3 pounds 8 ounces of ham and 4 pounds 2 ounces of cheese for a party. How much ham and cheese did she buy? I think 7 pounds 9 ounces. 3. A spool of ribbon ...
Friday, January 13, 2017 by Help I need somebody not just anybody

math
what is an equivalent fraction to 10/4 that starts with 90?
Friday, January 13, 2017 by Ellie

Math
what is an equivalent fraction for 7/6 that has a numerator of 84
Friday, January 13, 2017 by Ellie

math
a circular pizza is cut along four diameters into eight identical sectors. If the total perimeter if each sector is 10 inches what is area of the whole pizza? express answer as a decimal to nearest tenth
Friday, January 13, 2017 by rohit

Math
List these numbers from least to greatest 3/4,5/8,6/7,6/11,7/10,8/9,
Friday, January 13, 2017 by Tiffany

math
I don't get decimals adding. how do I solve this proble. 2.05+ 3.675. they shouldn't be teaching this in grade 5! :{
Friday, January 13, 2017 by sofia

Math
A tank at present is 0.875 phone which is 21 litres how much water does the tank hold when full
Friday, January 13, 2017 by Jazzy

Math
ABCD is a kite with AD=AB Angle A is 116 degrees Angle B is 2x degrees Angle D is (5x-147) degrees Find the smallest angle of the kite
Friday, January 13, 2017 by Morgan

math
which of the following expressions is expressed in implicit form? A. xy=1 B. y=1/x C. y=x+1 D. y=1
Friday, January 13, 2017 by hhhhh

math
my 7 year old is having problems doing his work. can you please give me some work sheets for him that are fun and educational.
Friday, January 13, 2017 by celia

math
A test question I just had. Not sure of the correct answer. Which situations have equal outcomes? You can only have one answer. A. I can't remember B. You watch a movie with 20 min. preview and 99 min. movie vs. 19 min. preview and 100 min. movie. C. A person 5'1 compared to 6...
Friday, January 13, 2017 by Sheila

math
Thermal wanted to make a dessert for her family. The recipe made 8 servings, but she only wanted to make enough for 5people. If the recipe for 8servings called for 2 cups of flour, how much flour would she need for 5 servings?
Friday, January 13, 2017 by Ty House

math
In a proportional relationship, why must the graph of the line always go through the origin (0,0)?
Friday, January 13, 2017 by Anonymous

Math
Hi guys! I am desperately in need of help. I really need to do good on this test but I am uncertain if I am doing this portion correctly. Can someone check my work? 11. Which inequality matches the graph? (The dot on the graph is at 1 and the arrow is pointing that way <...
Friday, January 13, 2017 by Ruby

Math
On a test I was given 2 triangles. One triangle gave measurements of all three sides as 2, 4, and 5. The next triangle had sides given 4 and 8 and it asked what the third side should be if the triangles were perpendicular. How would I solve this? Do I find the perimeter of ...
Friday, January 13, 2017 by Sheila

Math
I'm confused about a question on a math test. The question is: Which statement is a true statement? The answer choices are: A. All rectangles are squares B. All squares are rectangles C. Every rhombus is a rectangle D. Every rectangle is a rhombus. I really need help. Thanks!
Friday, January 13, 2017 by DustyRose<3

math
samina spends three-fourth of her pocket money to buy chocolates and the rest to purchase chewing gum. find the ratio of amount spent on chocolates to that spent on chewing gum
Friday, January 13, 2017 by fizza

Math (Stats)
What is the difference between class limits and class boundaries? A) Class limits are the numbers that separate classes without forming gaps between them. Class boundaries are the least and greatest numbers that can belong to the class. For integer data, the corresponding ...
Friday, January 13, 2017 by Ray

Math
My Shopping List 1. Please describe how to find a unit price. * a price for foodstuffs, stated or shown as the cost per unit, as per pound, per kilogram, per dozen, Contemporary definitions for unit price Expand. noun. the cost of a single commodity Unit Prices Please use the...
Friday, January 13, 2017 by straight A student

math portfolio
1. Please describe how to find a unit price. * Your answer And thaks to steve and ms. sue i turned a f into a d need help with portfolio to get higher grade *NOT ASKING TO CHEAT*
Friday, January 13, 2017 by straight A student

Math
tHE SUM OF THREE NUMBERS IS 75. THE SECOND NUMBER IS 5MORE THAN THE FIRST AND THE THIRD IS THREE TIMES THE SECOND. FIND THE NUMBERS.
Friday, January 13, 2017 by Anonymous

math
Area of rectangle room is 165 sq.m. the length is 4m more than its breath and the perimeter is 52m. Find the length and breadth of the room?
Friday, January 13, 2017 by tenzing

math
Essential Algebra Readiness (Pre-Algebra) B Unit 5: Functions Lesson 4: Understanding the Slope
Friday, January 13, 2017 by hayden

Math
A recipe calls for 3.2 cup of sugar for every 2 teaspoon of vanilla. How much sugar should be used for every 1 teaspoon of vanilla?
Friday, January 13, 2017 by Norazizah

math
given x and y are both functions of t and x^2-2y=5, what is dy/dt?
Friday, January 13, 2017 by linn

Newton’s law of cooling states that for a cooling substance with initial temperature T0 T 0 , the temperature T(t) T ( t ) after t minutes can be modeled by the equation T(t)=Ts+(T0−Ts)e−kt T ( t ) = T s + ( T 0 − T s ) e − k t , where Ts T s is the surrounding ...
Friday, January 13, 2017 by satan

Math - Algebra
Six small marbles and four large marbles have a combined weight of 30 g, whilst seven small marbles and two large marbles have a weight of 23 g. Find the weight of a large marble. Can someone help me create the equation? Thanks.
Friday, January 13, 2017 by Anonymous

math
The difference between two numbers is 11 and twice the smaller number, minus four, equals the larger number. Find the two numbers.
Friday, January 13, 2017 by Anonymous

math
300 bees have enough honney supplies to last 9 months. They are joined by 150 bees whose hive has been destroyed by a storm. How long will the honey supplies last now?
Friday, January 13, 2017 by Anonymous

Math
A recipe calls for 2.3 cup of sugar for every 2 teaspoon of vanilla. How much sugar should be used for every 1 teaspoon of vanilla?
Friday, January 13, 2017 by Norazizah

Math
It takes 15 electricians 24 days to wire a new housing subdivision. How many days would 18 electricians take to do the same job? Thank You for all who answered this question!
Friday, January 13, 2017 by Bae for Math

math
Students at an elementary school are given a questionnaire that they are required to return after their parents have completed it. One of the questions asked is, "Do you find that your work schedule makes it difficult for you to spend time with your kids after school?" Of the ...
Friday, January 13, 2017 by Duran

math
how much simple interest would you earn for 5 years at 7% with a beginning principal of $8,000.00 Thursday, January 12, 2017 by dipper pines!!! big fan!!! math tell me some one! a bike was originally 24000 the price was marked 15% what is the new price of the bike Thursday, January 12, 2017 by dipper pines!!! big fan!!! math;););) Previously you found that a 15-degree counterclockwise rotationcenteredat(2,1)sendsthepoint(4,6​)toanother point (x, y) ⇡ (2.638, 6.347). The diagram on the right shows the vector v in the same direction as vector [2,5], only with a di↵erent length. Similarly, the ... Thursday, January 12, 2017 by anonymous math Let A = (0,0,0), B = (9,8,12), and C = (6,2,3). Find coordinates for the point on line AB that is closest to C. Thursday, January 12, 2017 by anonymous Math Last year Alex earned a monthly payment of$250 and Ben earned a monthly salary of $180. This year each of them received it increase of 25%. This year how much more did Alex earn in one month than Ben? I do not understand how to solve this please help! Thursday, January 12, 2017 by Arin Math A recipe calls for 2.3 cup of sugar for every 2 teaspoon of vanilla. How much sugar should be used for every 1 teaspoon of vanilla? Thursday, January 12, 2017 by Norazizah MATH I NEED HELP WITH MY LEAP MATH MIDTEST QUESTIONS STAT! Thursday, January 12, 2017 by Nina Math Help me Bobpursley is dumb Serge invests$700 at 5.75% per year, compounded quarterly. When the account is closed, its value will be $950. How long will Serge’s money be invested? Thursday, January 12, 2017 by Peter Math Geometry Unit 1 Lesson 5: Drawing Triangles Quiz if some knows what the answers are then please put them down I have been stuck on this quiz for the past 3 days PLEASE HELP MEEE!!!!!!! 7th grade Thursday, January 12, 2017 by I NEED HELP !!!!!!!! Math Divide 294 metres of cloth into three lengths in the ratio 2:3:9. How many metres will the longest piece measure? Thursday, January 12, 2017 by Kayla Math if I run the 400 meter dash in 14.5 seconds. What is my speed in meters per second Thursday, January 12, 2017 by Anonymous Math What is a number that is divided by 6 and by 7? Thursday, January 12, 2017 by Silina Math Serge invests$700 at 5.75% per year, compounded quarterly. When the account is closed, its value will be $950. How long will Serge’s money be invested? Thursday, January 12, 2017 by Peter math A cake calls for 1/4 lb of butter. How much butter is needed to make 15 such cakes? Thursday, January 12, 2017 by min math Suppose 10 deers are travelling together. if four of them are does and 3 are fawns What fraction represent the number of buck?write another equivalent fraction that represent this number. Does mean Female and Fawns mean Baby. BUCK mean Male Thursday, January 12, 2017 by Amos math Determine whether the function is symmetric with respect to the y-axis, symmetric with respect to the x-axis, symmetric with respect to the origin, or none of these. y = -6x3 + 7x Thursday, January 12, 2017 by jeff Math Chris had a tin of 24 cookies. He has eaten 1/4 of the cookies. How many cookies has he eaten? Thursday, January 12, 2017 by Alexa math unit 7 test Can the figure below tesselate a plane? Explain your answer. The shape is an arch (like a rainbow) Thanks! will fail math bc this problem why is this happening Thursday, January 12, 2017 by straight A student Math Kaya pasted 3 rows of photos on each of 5 pages of her scrapbook. She put 2 photos in each row. How many photos are in Kaya's scrapbook? Thursday, January 12, 2017 by Anonymous math in probability math what instances in real life can i apply this lesson? enumerate and discuss three instances Thursday, January 12, 2017 by value Math Donnie completed 85% of his field goal attempts last season. If he attempted 60 field goals, how many did he make? Thursday, January 12, 2017 by I just wanna know Math What is the equation of the line that passes through the points (−2, 1) and (1, 10)? 3x − y = −7----my answer 3x − y = −5 3x − y = 5 x + 3y = −5 Thursday, January 12, 2017 by katrina Math Start at 5. Create a pattern that multiplies each number by 2. Stop when you have 4 numbers. Thursday, January 12, 2017 by Jennifer math Which statement is true for all regular pyramids? A) the length of the altitude is equal to the length of the slant height*** B) all lateral faces are congruent isosceles triangles C) the base and the faces are similar polygons D) all edges are equal in lenght Thursday, January 12, 2017 by Not Tellin' Ya Ma Name Math What is the slope of the tangent line to the graph at f(x)=x^2-5 at the point (2,-1)? Thursday, January 12, 2017 by hhhhh Math A notebook costs 4 times more than a pencil. The pencil is 30gh less than the note book . What is the price of the pencil Thursday, January 12, 2017 by Tony math For what values of r does the function y = erx satisfy the differential equation y'' − 6y' + 3y = 0? Thursday, January 12, 2017 by Sara MATH (7th Grade) -2.4/5 1/3 -2.4/5.333 =-0.45????? Thursday, January 12, 2017 by marilyn Math (7th Grade) two strips of fabric measure 14 3/4 and 20 7/8 in in length. To form one length, the strips are sewn together using 3/8 in from ea strip to make the seam. What is the final length of the fabric after the two strips are sewn together? Thursday, January 12, 2017 by marilyn Math Ryan has a collection of220 baseball cards.helets his bro have 1/4 of his collection & sells 20% of the coll to the baseball card shop. he takes 15 cards to school to give his fireds how many baseball cards remain in ryan coll? 1/4=55 to school=15 70-220=150 205 of 150=30 shop... Thursday, January 12, 2017 by marilyn Math Two long roads intersect at P at an angle of 53 degrees. Starting at P cyclist A rides for 16.2 km along one side .Cyclist B rides 18, 9 km to the other side. How far apart they are? Thursday, January 12, 2017 by Diego Math What is 4/7 in words? Thursday, January 12, 2017 by Achie math A rectangular garden is 6m by 8m.if you walk 3times around the garden how many meters will you have covered Thursday, January 12, 2017 by jocelyn 4th grade math Rhonda bakes p pies Mary bakes 3p pies If together they bake 20 pies, how many pies does Mary bake Thursday, January 12, 2017 by Anonymous Math At a book fair; three books and two magazines cost$7. Two books and five magazines cost $6.50. Find the cost of a book and the cost of a magazine. Thursday, January 12, 2017 by Jessica Lopez Math Hannah and Her Three Brothers equally split the cost of a$379 gift for their parents how much did each sibling pay?
Wednesday, January 11, 2017 by Alexis

Math
The answer to the homework problem is greater than -5. Which rational number must be the number in the second circle?
Wednesday, January 11, 2017 by Karmello

Math
Convert $e^{-\pi i}$ to rectangular form. Not sure how to start this problem, should I use Euler's formula? Can anyone help provide the steps please? Thanks
Wednesday, January 11, 2017 by SAM

math
There are 37 people attending the Ruiz family reunion, and they want to split the cost of the present for the grandparents. If the gift costs $464.72, how much should each person contribute? Wednesday, January 11, 2017 by mimi math Order the numbers from least to greatest: 3/25,0.41,10% Wednesday, January 11, 2017 by deven math There are 37 people attending the Ruiz family reunion, and they want to split the cost of the present for the grandparents. If the the gift costs$464.72, how much should each person contribute? do I just divide the two numbers?
Wednesday, January 11, 2017 by mimi

Math
There are 36 carpenters an a Crew. On a certain Day ,26 where present. What percent showed up for work? (round to the nearest tenth)
Wednesday, January 11, 2017 by Roselyn

Math, Algebra,
Help! I can't understand or find out the answer, I tried but I keep getting lost! George rides a cab to work 3 days a week. He pays $3.50 for the cab to pick him up. He pays an additional fee for each mile driven. In one week, George paid$35.25. If he rides 11 miles each day...
Wednesday, January 11, 2017 by Anonymous

Math
There are 15 bits and 12 girls in ms.smiths class.What is the ratio of girls to boys written as a fraction in simplest form
Wednesday, January 11, 2017 by Kassandra

Math
In a triangle ABC,AB=5cm,BC=12cm,angle ABC=90Â°calculate 1)the length of AC. 2)the area of the triangle 3)the length of the perpendicular from B to AC
Wednesday, January 11, 2017 by Anonymous

How do I find the answer to 234 divided by 89 + 53 x 72
Wednesday, January 11, 2017 by Sally

Math, Algebra
Can you please help me! I solved it, but I'm not sure if I'm right. ------------------------------ Paulo pays $45.99 per month for unlimited calls, with additional charges for text messages. His bill for 4 months is$207.96. If he sends 100 texts each month, how much is he ...
Wednesday, January 11, 2017 by Anonymous

math
maggie has 20 ribbons. Of them, 2/5 are polka dotted ribbons. How many ribs are not polka-dotted?
Wednesday, January 11, 2017 by teresa

math
there are six different kinds of fruit pies in a baker. Each pie is the same size and is cut into 8 equal slices. Mr. Javier buys a slice of each pie. How many pies did Mr. Javier buy altogether
Wednesday, January 11, 2017 by teresa

math
Two part problem that need help with. 1. Jill arranged her baseball cards in 4 rows of 9 cards. Then she arranged them in 2 rows of 18 cards. How many other ways can Jill arrange her cards in equal rows? 2. Sam has fewer baseball cards than Jill. There are only three ways that...
Wednesday, January 11, 2017 by caden

Math
How do you find a percent of decrease for a car that costs 16,000 and 2 years later it was worth 12,000?
Wednesday, January 11, 2017 by Myah

math
Hoshi walks10 meters in 3 seconds.what is her rate.
Wednesday, January 11, 2017 by Anonymous

Math
Four hours after the start of a 600 mile auto race, a driver's velocity is 150 miles per hour as she completes the 352nd lap on a 1.5 mile track a) find the drivers average velocity during the first four hours of the race. b) let f(x) represent the distance traveled (in miles...
Wednesday, January 11, 2017 by John

math
What is the equation of the line that passes through the points (−2, 1) and (1, 10)? 3x − y = −7 3x − y = −5 3x − y = 5 x + 3y = −5
Wednesday, January 11, 2017 by katrina

Math
The average 3rd grade student can read 60 words I 5 minutes. What is the average reading per rate? Write an expressionto represent the problem. Solve the problem
Wednesday, January 11, 2017 by Amy

Math
How long will it take to fill 6 similar tanks completely with water? Give your answer in hours and minutes
Wednesday, January 11, 2017 by Ryan

Math
A Marathon runner runs 10 1/2 miles in 2 hrs. What is her rate? Write an expression to represent the problem. Solve the problem.
Wednesday, January 11, 2017 by Amy

math
An extension laddder is to be placed against a house so that it reaches 1 ft above the edge of the roof, which is 23.5 ft high. The ladder makes an angle of 70 degrees with the ground. How long must the ladder be? How far is the distance from the house to the base of the ladder?
Wednesday, January 11, 2017 by randey

FAST Angle Help! (Math)
Which value could be the length of the missing side of the triangle? (the side of the triangle has 5, the bottom has a 12 and the top has a X) PLZ I NEED HELP FAST!!!!!!!!!!!!
Wednesday, January 11, 2017 by Agala

Math parallel lines and angles
1.Find the mesure of <s A. 63 B.153 C. 68 D.148 2. If a and b are parallel m<3=128 what is the measure of <8 A.134 B.52 C.54. D.49 3. Select the measures of complement or supplement of an angle. If there is no compliment or supplements select no complement or ...
Wednesday, January 11, 2017 by Amanda