Tuesday
May 3, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

math
a plane intersects a square pyramid perpendicular to its base but not through a vertex.The plane forms a cross section what is the shape of the cross section a)trapezoid b)triangle c)square d)rectangle
Wednesday, March 9, 2016 by billy

math
The experimental probability that Diana will win a game is 3/8, if she plays the game 320 times. How many times can she expect to win?
Wednesday, March 9, 2016 by Anonymous

Math
Chris rolls two number cubes, one after another. What is the experimental probability that both number cubes will show a 1?
Wednesday, March 9, 2016 by Anonymous

Please help math!
There are two 30 degree angles. One is pointing southwest, one is pointing northeast.What are these pair of angles? A. adjacent B. complementary C. supplementary d. non of these I don't know if it is A or D, please help! And, I don't think it's a complementary ...
Wednesday, March 9, 2016 by Willis

Math
The probability that Tina makes a free throw in basketball is 11 percent. If she shoots 94 free throws tonight, how many should she expect to make?
Wednesday, March 9, 2016 by Anonymous

Math
Find four consecutive odd integers in which the sum makes 0.
Wednesday, March 9, 2016 by Anonymous

math help please
a plane intersects a square pyramid perpendicular to its base but not through a vertex.The plane forms a cross section what is the shape of the cross section a)trapezoid b)triangle c)square d)rectangle
Wednesday, March 9, 2016 by betty

math
In a collection of coins worth $9.13, there are twice as many dimes as quarters, four more nickels than dimes, and twice as many pennies as nickels. How many of each kind of each coin are in the collection?
Wednesday, March 9, 2016 by Anonymous

Math
What are 2 ways to arrange 300 chairs so that there are the same number of chairs in each row?
Wednesday, March 9, 2016 by Natalie

math
you purchase 2.4 meter of nylon cord to make 8 friendship bracelets. how many centimeters are in each -0.3 cm -3 cm -7.2 cm~~~~~ -30 cm
Wednesday, March 9, 2016 by little dark one

Math
Look for a pattern and find the next two numbers in the sequence and then write a general version of the nth term. 1 2 3 4 5 6 7 8 n 18 30 42 54 66 78 I can recognize the pattern as being + 12 so under 7 my answer would be 90 and under 8 my answer would be 102, but how do I ...
Wednesday, March 9, 2016 by Sam

Math
One day, Jasmine and her friends had lunch while sitting at tables of 13. Another day, they had lunch at tables of 5. What is the smallest number of people that could be in the group?
Wednesday, March 9, 2016 by Anonymous

math
Mr.Jacobs budgeted $1,200 for tiles.His sketch of the floor requires him to use 38 white tiles.Each white tile costs $12.Write and solve an inequality to find the maximum amount he can spend on brown tiles.
Wednesday, March 9, 2016 by Pedro

math
Jonah has $50,000 in a savings account that earns 10.6% annually. The interest is not compounded. How much will he have in 6 months?
Wednesday, March 9, 2016 by Anonymous

math
A rectangular prism is 4.8 centimeters long, 16 centimeters wide, and 14 centimeters high. What is the surface area of the rectangular prism?
Wednesday, March 9, 2016 by Anonymous

Math
Sandra ordered a set of yellow and green pins for her graduation. She received 754 yellow pins and 546 green pins. What percentage of the pins were yellow?
Wednesday, March 9, 2016 by Anonymous

Math
The graduating class at Clinton School was 210 students a year ago. This year's graduating class is 252 students. What is the percent of increase in the size of the graduating class?
Wednesday, March 9, 2016 by Anonymous

math help please
a plane intersects a right rectangle prism perpendicular to its base .The plane forms cross section.What is the shape of the cross section? a)parallelogram,that is not a rectangle b)triangle,that is not equilateral c)trapezoid d)rectangle
Wednesday, March 9, 2016 by betty

6th grade math - ratios
There are 39 counters in a box. How would you divide the counters to represent the ratio 5:8 ? Thank you.
Wednesday, March 9, 2016 by Martha

Math
You're on a skateboard, moving very fast but at a constant speed. Are you accelerating? Explain. Lara Claims that if an object is accelerating, it must be moving. She also claims that if an object is not accelerating, it must be at rest. Is lara correct? Explain. Is a dog ...
Wednesday, March 9, 2016 by Anonymous

math
Sound travels at 343 meters per second. You measured 3 seconds for sound travel from place A to place B. What is the distance between A and B?
Wednesday, March 9, 2016 by safiya

Math
The traditional method of determining the human age equivalent of a dog is to multiply its age by 7 years. The method we used in this project was to use equations based on scientific data to determine the human age of dogs. In my opinion, the ____________method (equations or ...
Wednesday, March 9, 2016 by Anonymous (Help ASAP)

math
a square pyramid is cut perpendicular to its base and through the vertex.What two-dimensional figure is formed by the cross section ? a)parallellogram b)rectangle c)square d)triangle
Wednesday, March 9, 2016 by betty

Math
Is it possible to have a circular cross section in the right rectangular prism shown? Explain.
Wednesday, March 9, 2016 by Anonymous

Math
What cross sections might you see when a plane intersects a cone that you would not see when a plane intersects a pyramid or a prism? Explain.
Wednesday, March 9, 2016 by Anonymous

Math
There are 500 crayons in the box. 15 percent of the crayons in the box are blue. How many crayons in the box are not blue.
Wednesday, March 9, 2016 by Anonymous

Math
There are24 counters How many counter can you make and why
Wednesday, March 9, 2016 by Lucy

math
A rock is dropped from a 600 foot tower. The height of the rock as a function of time can be modeled by the equation: h(t) = −16t 2 + 600. During what period of time will the height of the rock be greater than 300 above the ground?
Wednesday, March 9, 2016 by Anonymous

math
what is the logarithmic form of 3 to the 2nd power=9
Wednesday, March 9, 2016 by shantel

Math HELP!
There are two 30 degree angles. One is pointing southwest, one is pointing northeast.What are these pair of angles? A. adjacent B. complementary C. supplementary d. non of these I don't know if it is A or D, please help! And, I don't think it's a complementary ...
Wednesday, March 9, 2016 by Willis

math
Michael ran 2/3 of a mile for 3/4 hours. How many miles would Michael run per hour?
Wednesday, March 9, 2016 by Angie

math
Below is a function the represents the sales for tickets to battle of the Bands Phoenix Music Festival. Student council needs students to buy ticket early in order to book a venue. In order to do this they made a piece scale as follows, where x is the days since February 10th...
Wednesday, March 9, 2016 by dai (Help Help!)

math
A parking garage is changing its parking fees for a week long festival. The function below represents the cost to park in the garage as a function of time (days into the festival). Piece wise c(t) = 10; 0 <= t <= 2 10+ t; 2 < t <= 5 7; 5 < t <= 7 a) What ...
Wednesday, March 9, 2016 by dai (Help Help!)

Math
The traditional method of determining the human age equivalent of a dog is to multiply its age by 7 years. The method we used in this project was to use equations based on scientific data to determine the human age of dogs. In my opinion, the _equations___________method (...
Wednesday, March 9, 2016 by Anonymous

math
A 100​-cm board is cut into two pieces. If one piece is 30 cm shorter than the​ other, how long are the two​ pieces?
Wednesday, March 9, 2016 by James

really no one is gonna help me in math
7,9,11,13...... A) arithmetic B) geometric C)both D)neither 2. 2,1,1/2,1/4........ A. arithmetic B. geometric C. both D. neither dude im helping and no one helps me 1-a 2-b
Wednesday, March 9, 2016 by coolguy123

MATH
7,9,11,13...... A) arithmetic B) geometric C)both D)neither 2. 2,1,1/2,1/4........ A. arithmetic B. geometric C. both D. neither
Wednesday, March 9, 2016 by coolguy321

math
A parking garage is changing its parking fees for a week long festival. The function below represents the cost to park in the garage as a function of time (days into the festival). Piece wise c(t) = 10; 0 <= t <= 2 10+ t; 2 < t <= 5 7; 5 < t <= 7 a) What ...
Wednesday, March 9, 2016 by dai

math....number sequences
7,9,11,13...... A) arithmetic B) geometric C)both D)neither 2. 2,1,1/2,1/4........ A. arithmetic B. geometric C. both D. neither
Wednesday, March 9, 2016 by coolguy123

math
In order to gain popularity amongst high school students the local coffee shop is delivering coffee to sell at lunch. Below is a function that represents the prices of coffee where t is the days since January 10th. Piecewise function c(t) = 2; 1<= t<=3 2 +t; 3<= t<...
Wednesday, March 9, 2016 by dai

math
Below is a function the represents the sales for tickets to battle of the Bands Phoenix Music Festival. Student council needs students to buy ticket early in order to book a venue. In order to do this they made a piece scale as follows, where x is the days since February 10th...
Wednesday, March 9, 2016 by dai

math
In order to gain popularity amongst high school students, Petsmart is creating a special winter promotion on toys. The function below represents the cost of toys as a function of time (measured in days after November 7th). Piecewise function c(t) = 2, 0<=t<=5 11-t, 5 <...
Wednesday, March 9, 2016 by dai

math
A shirt is on sale for $12.75.this is 15percent off the original price.what was the original price of the shirt?
Wednesday, March 9, 2016 by Sarah

math
The equation for the pH of a substance is pH = –log[H+], where H+ is the concentration of hydrogen ions. A basic solution has a pH of 11.2. An acidic solution has a pH of 2.4. What is the approximate difference in the concentration of hydrogen ions between the two ...
Wednesday, March 9, 2016 by Anonymous

Math
The length of a rectangular piece of steel in a bridge is 5 meters less than double the width. The perimeter of the piece of steel is 38 meters. Find the length of the piece of steel. Find the width of the piece of steel.
Wednesday, March 9, 2016 by Georgette

Math
l vertical and horizontal cross-sections of any one cube are all the same size and shape. What about vertical and horizontal cross-sections of a pyramid? Are they all the same size? Are they all the same shape? Discuss why or why not.
Wednesday, March 9, 2016 by ???

Math
Determine the most probable next term in the following list of numbers. 1, 7, 1, 1, 7, 1, 1, 1, 7, 1, 1, 1, 1, 7, 1, 1, 1, 1 The most probable next term is______
Wednesday, March 9, 2016 by Jeff

math
26 miles per gallon of gasoline and gasoline costs $3.49 per gallon calculate your miles per dollar round to the nearest tenth
Wednesday, March 9, 2016 by perio

math
sid went to play in the nearby park. on reaching the park,he saw that were a total of 14 bicycles and tricycles. if the total number of wheels was 32, how many tricycles were there ?
Wednesday, March 9, 2016 by ritesh

MATH URGENT ASAP
Find the next three terms in the sequen 1. 30, 22, 14, 6... -3, -12, -21 -1, -8, -15 -1, -2, 3 -2, -10, -18**** 4. Find the first four terms of the sequence represented by the expression. 4. 3n+5 5,8,11,14 8,11,14,17 3,6,9,12 0,8,11,14 (idk about this one)^^^^^^^^^ Find the ...
Wednesday, March 9, 2016 by Aaliyah

MATH MRS. SUE/STEVE
Find the next three terms in the sequen 1. 30, 22, 14, 6... -3, -12, -21 -1, -8, -15 -1, -2, 3 -2, -10, -18**** 4. Find the first four terms of the sequence represented by the expression. 4. 3n+5 5,8,11,14 8,11,14,17 3,6,9,12 0,8,11,14 (idk about this one)^^^^^^^^^ Find the ...
Wednesday, March 9, 2016 by Aaliyah

Math
Look for a pattern and find the next two numbers in the sequence and then write a general version of the nth term. 1 2 3 4 5 6 7 8 n 18 30 42 54 66 78 I can recognize the pattern as being + 12 so under 7 my answer would be 90 and under 8 my answer would be 102, but how do I ...
Wednesday, March 9, 2016 by Sam

Math URGENT HELP
Find the next three terms in the sequen 1. 30, 22, 14, 6... -3, -12, -21**** -1, -8, -15 -1, -2, 3 -2, -10, -18 4. Find the first four terms of the sequence represented by the expression. 4. 3n+5 5,8,11,14 8,11,14,17 3,6,9,12 0,8,11,14 (idk about this one)^^^^^^^^^ Find the ...
Wednesday, March 9, 2016 by Aaliyah

math
The amount of Sandy earns from babysitting is proportional to the number of hours she works. She earns 45 dollars is 6 hours. what is the hourly rate of Sandy`s earnings?
Wednesday, March 9, 2016 by Elizabeth

Math
How to solve this problem? Here is what I have done so far. 12(1/2)% x (1/2)/(3/4) First i solved the fractions (1/2) x (4/3) =4/6 I changed the 12(1/2)% into a decimal by solving 1/2, which is .5 which equals to 12.5 Answer is 1/12 but I have no idea how it got to that.
Wednesday, March 9, 2016 by Johny

Math. Pls. Help!
What factors should you consider when determining the best graph or display to represent a given set of data? In your answer, choose a set of data relevant to your life and explain the best way to display it.
Wednesday, March 9, 2016 by Brittney

Math
A circular target of radius 11 cm is to be hit as a game. The dart board has three concentric circles inside the bigger board of radii 7, 9 and 10 cm respectively,dividing the board into four regions.If Sarthak shot the dart 121 times, find the probability of the dart hitting ...
Wednesday, March 9, 2016 by Diksha

plz check on math 6th grade
The wheel of a unicycle has a radius of 14 inches how many minutes many rotations does it take for a will to travel 440 inches A.3 B.5*** C.8 D.10
Wednesday, March 9, 2016 by Susan

Math - Help!
There are two 30 degree angles. One is pointing southwest, one is pointing northeast.What are these pair of angles? A. adjacent B. complementary C. supplementary d. non of these I don't know if it is A or D, please help!
Wednesday, March 9, 2016 by Willis

math
Find the next three terms in the sequence 1. 30, 22, 14, 6... -3, -12, -21**** -1, -8, -15 -1, -2, 3 -2, -10, -18 4. Find the first four terms of the sequence represented by the expression. 4. 3n+5 5,8,11,14 8,11,14,17 3,6,9,12 0,8,11,14 (idk about this one)^^^^^^^^^ Find the ...
Wednesday, March 9, 2016 by Aaliyah

math
east to greatest -11 -44 -49 49 -66
Wednesday, March 9, 2016 by kelsey

math
whats the answer to this equation: 4+8x+2.2-10x if the lenght of a rectangle is 7 inches and the width is (x+2) inches. write an expression in simplest form that represents the area of a rectangle?
Wednesday, March 9, 2016 by Alexus

Math
Find the next three terms in the sequence 1. 30, 22, 14, 6... -3, -12, -21**** -1, -8, -15 -1, -2, 3 -2, -10, -18 4. Find the first four terms of the sequence represented by the expression. 4. 3n+5 5,8,11,14 8,11,14,17 3,6,9,12 0,8,11,14 (idk about this one)^^^^^^^^^ Find the ...
Wednesday, March 9, 2016 by Aaliyah

Math
A scientist is working with 17 meters of gold wire how long is wire in millimeters
Wednesday, March 9, 2016 by Ariree

Math
1. The sum of ages of father and son is 64 years. Father says to son, “I am 5 times as old as you were when I was of your age.” What is the sum of digits of son’s age?
Wednesday, March 9, 2016 by Ashish

English
1. Do you quietly think so? 2. Do you really think so? 3. Do you easily think so? 4. Do you finally think so? 5. He solved the math problem very quietly. 6. He solved the math problem very really. 7. He solved the math problem very easily. 8. He solved the math problem very ...
Wednesday, March 9, 2016 by rfvv

Math
A rectangular lawn is 16m×40m and has two roads each 5m wide running in the middle of it one parallel to its length and other to breadth . find the cost of constructing the roads at the rate of =80 rupees per square metre
Wednesday, March 9, 2016 by Ankita

Math
How does [(512)^x * ln(2)]/ln(512) simplify into ((512)^x)/9??
Wednesday, March 9, 2016 by Cindy

Math
Please what are the steps to solving this problem? I am stuck. question= 12 1/2% x (1/2)/(3/4) 12(1/2)% = 12.5 (1/2) x (4/3) 4/6 = 2/3 I dont know what to do next.
Wednesday, March 9, 2016 by John

math
Find the restrictions: how to solve problem 1. y = 3- sqrt(2x-8) x => 0 2. y = 9-sqrt(x -2) x =>0
Wednesday, March 9, 2016 by fagi

Math
Four friends are sharing 3 cakes. Each person gets one piece from each cake. Which equation represents the amount of cake each person gets? A. 3 \ 4= 3/4 B. 4 \ 3= 1 1/3 C. 3 x 4= 12 D. 12 \ 3. = 4
Tuesday, March 8, 2016 by Help

math
In a doctor’s office, an average of 94% of the clients pay on the day of the appointment. If the office has 600 clients per month, how many are expected not to pay on the day of the appointment? If 40 clients do not pay on the day of their appointment in a month, did more...
Tuesday, March 8, 2016 by Anonymous

MATH.
Find the inverse for each of the following functions. a) f(x)=6x+10 f−1(y)= b) g(x)=15x2−8, with domain x≥0 g−1(y)= c) h(x)=6x+8 h−1(y)=
Tuesday, March 8, 2016 by stef

Math
At the last school pep rally 3 out of every 7 students wore school colors. Based on this information, if 350 students attend the next pep rally how many of these students will wear school colors?
Tuesday, March 8, 2016 by Earl Meighan

Math
equivalent fractions for 5/6,5/7,and 8/9 using the least common denominator.
Tuesday, March 8, 2016 by Nish

Math
Find the sale price Cost:$67.20 Present markup:10%
Tuesday, March 8, 2016 by Jessica

Math
Firework A goes off at 320ft/s firework b goes off at 220ft/s but firework b is launched 0.25s before A
Tuesday, March 8, 2016 by Ella

math
the angle of elevation to the top of a 245 m building from 2 cars are 42 degree and 35 degree respectively how far apart are the cars?
Tuesday, March 8, 2016 by marvie

Math
Explain how you know that 21/30 is greater than 2/3
Tuesday, March 8, 2016 by Kelly

math
A parking garage is changing its parking fees for a week long festival. The function below represents the cost to park in the garage as a function of time (days into the festival). Piece wise c(t) = 10; 0 <= t <= 2 10; 2 < t <= 5 7; 5 < t <= 7 a) What would ...
Tuesday, March 8, 2016 by dai

Math
the supply and demand function for a product are qs = (S)p=5p^2-800 and qd= D(p)=2p^2-80p+3500. Determine the market equilibrium price pe and quantity qe
Tuesday, March 8, 2016 by Sherianna

math
Satellite dish antennas have the shape of a parabola. Consider a satellite dish that is 80 cm across. Its cross-sectional shape can be described by the function d(x) = 0.0125x^2 - x, where d is the depth, in centimetres, of the dish at a horizontal distance of x centimetres ...
Tuesday, March 8, 2016 by Emily J

Math
Shannon Cron ran 18 miles in 5 days. How many miles would she run in 9 days if she ran at the same rate?
Tuesday, March 8, 2016 by Lainey

math
What is the area of a regular 30-gon with a radius of 9mm? So far I know my interior angle is 6. That is all I can seem to figure out. Thanks!
Tuesday, March 8, 2016 by max

Math
a box of pencils cost the same as 11 erasers and 7 pencils. a box of erasers cost the same as 6 erasers and a pencil. a box of empty boxes and an erasers cost the same as a pencil. given that boxes cost a penny and each of the boxes contain an equal number of objects, how much...
Tuesday, March 8, 2016 by Jerome

Math
From the top of an 8m house the angle of elevation to the top of the schools flagpole across the street is 9 degrees The angle of depression is 42degrees to the bottom of the pole How tall is the flagpole
Tuesday, March 8, 2016 by Rose

math
The area of a circle is less than 1 dm². Find the radius of the circle.
Tuesday, March 8, 2016 by Anonymous

Math
Hi I am putting the questions that don't have pictures with the problem from my Measurement Unit Test I need my answers checked because as of now I have a D in math and I want to raise it so I need to make sure my answers are correct! 1. Which solid has 2 bases that are ...
Tuesday, March 8, 2016 by Uriah

Math
Jessica earns $53.35 in 5.5 hours. How much does Jessica earn in 1 hour?
Tuesday, March 8, 2016 by Marc

Math
On a map, two cities are four and one-fourth inches apart. The scale of the map is one-half inch = three miles. What is the actual distance between the towns?
Tuesday, March 8, 2016 by Paul

Math
In a class book order,2/3 of the books are fantasy and 1/4 of the books are biography.If the order contains 60 books,hoe many books are either fantasy or biography?
Tuesday, March 8, 2016 by Anonymous

Math
Jackie has a prepaid Green Phone that charges 18 cents per text message sent or received. Jackie prepays $40 on her phone. After sending and receiving several text messages, Jackie checks the remaining balance. How many texts did Jackie send and receive if her remaining ...
Tuesday, March 8, 2016 by Sue

math
luisa hike 7 miles of a 21 mile trail .What percent of the trail did she hike
Tuesday, March 8, 2016 by iwona

math
Find the height of the tree 27feet and 14feet what is the height of the tree to the nearest tenth
Tuesday, March 8, 2016 by betty

Math
A credit card company charges 1.5% interest per month (that is 18% per year). On a balance of $1448.00, calculate this month's finance charge
Tuesday, March 8, 2016 by George

Math
Sam used 3 3/4 cups of flour to make two dozen cookies how much flower was in each
Tuesday, March 8, 2016 by Anonymous

math
Find a formula for the inverse of the function. f(n)=4en3. f^[−1](Q)=
Tuesday, March 8, 2016 by rachel

Math
If sales tax in a specific county is 6.5%, what is the total price paid on a purchase of $156.00.
Tuesday, March 8, 2016 by Joe

math
Find a formula for the inverse of the function f(x)=9−4/x2, x>0.
Tuesday, March 8, 2016 by rachel

MATH.
how do u find the inverse of this function: x^9*5+6
Tuesday, March 8, 2016 by ally

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