Thursday
February 11, 2016

# Homework Help: Math

## Recent Math Questions

math
The Greener Corporation produces electrical motorcycles and electric cars. The management wanted to produce at least 2 electrical cars and 8 electrical motorcycles but no more than 5 electric cars per month. The production department can produce a maximum of 20 electric cars ...
Sunday, January 17, 2016 by ymme

Math literacy,geography,tourism,bisiness studies
Can i become a geologist if i have the following subject above?
Sunday, January 17, 2016 by Siyanda

math
In the experiment of rolling a pair of dice, compute the probability of an even number or a number greater than 3 facing up.
Sunday, January 17, 2016 by ymme

math
in the experiment of rolling a pair of dice, compute the probability of an even number or a number greater than 3 facing up
Sunday, January 17, 2016 by ymme

Math
Esther drove to work at 45 miles per hour. Returned home at 30 miles per hour. If Esther spent a total of one hour commuting to and from work, how many miles did Ester drive to work in the morning?
Sunday, January 17, 2016 by Bob

Math
which value of k makes p^2-8p+k a perfect square?
Sunday, January 17, 2016 by King

Math
find the extrema of f(x)=x^(2/5), -3<=x<1. I find zero critical points, but the answer says there is a maxima and minima at 0 and -3.
Sunday, January 17, 2016 by Bob

Math
A certain clock gains 3 minutes every hour if this clock shows the correct time at 6:00 an what time will the clock show when it is 1:00 pm of the same day?
Saturday, January 16, 2016 by Juan

math
given a cylindrical waterbottle that has a volume of 1.25L, find the radius and a height that is 4-6 times the radius
Saturday, January 16, 2016 by jordan

math
jerry needs to buy two walking aids. one will cost $150 and the other will cost$ 75. how much jerry need to spend?
Saturday, January 16, 2016 by monica

Math
For what values of r does the function y = erx Satisfy the equation y'' + 5y' + 6y = 0?
Saturday, January 16, 2016 by Mathematics

Math
Gabriella is x years old. Her sister, Felicia, is six years older than she is. Their mother is twice as old as Felicia. Their aunt, Tanya, Is x years older that their mother. White and simplify an expression that represents Tanya's age in years
Saturday, January 16, 2016 by Anonymous

Math
Eight friends went to a hockey game. The price of admission per person was $x. Four of the friends paid an extra$6 each for a player guide book. Write and simplify an expression that represents thr total cost.
Saturday, January 16, 2016 by Anonymous

Math
SAT dread. 1. If n and p are integers greater than 1 and if p is a factor of both n+3 and n+10, what is the value of p? a. 3 b.7. c.10 d. 13. e 30 2. The company sends a team of 3 plumbers to work on a certain job. The company has 4 plumbers and 4 trainees. 1 team has 1 ...
Saturday, January 16, 2016 by Lily

math
what is a prime number?
Saturday, January 16, 2016 by sally

math
Assume an 18 month CD purchased for $7000 pays an APR of 4% compounded monthly. What is the APY? 2 decimal places Saturday, January 16, 2016 by matt Math a car dealership pays you 5% commission on your first$10,000 on car sale and 8% commission on the sale amount over $10,000. if you sold a$12,000 car, how much is your commission? $92.00••$91.00 $85.50$82.55
Saturday, January 16, 2016 by Estephania

Math
Let $|r| < 1$, $$S = \sum_{k=0}^{\infty} r^k,$$ and $$T = \sum_{k=0}^{\infty} k r^k.$$ Our approach is to write $T$ as a geometric series in terms of $S$ and $r$. Give a closed form expression for $T$ in terms of $r$.
Saturday, January 16, 2016 by TheDude

Math Terminology
Identify all the components of this statement: 3a + 2b = 7 Is this an equation or an expression and why? constant variable term expression equation I believe it is an equation because it has an equal sign I believe the constant is 7 because that never changes I'm not sure ...
Saturday, January 16, 2016 by Marina

Math
Suppose the tuition at a community college is currently $115/credit hour. If the tuition is increased by 7%, what is the new tuition rate? What was the multiplier you used? I multiplied$115 x 1.07 to get a new rate of $123.05 So would I say the multiplier was 1.07? I'm ... Saturday, January 16, 2016 by Felicia Math What is 17% of 200? .17 x 200 = 34 What is the number 200 increased by 17%? 200 x 1.17 = 234 What is the number 200 decreased by 17%? The only way I knew to do this is based on the first question - since that answer was 34, I subtracted 34 from 200 and the answer was 166. Is ... Saturday, January 16, 2016 by Marcus Math How do I convert 3000 mg/day into g/hour? Saturday, January 16, 2016 by Sabra math if a leaky faucet drips eight ounces of water per minute how many gallons per day is that Saturday, January 16, 2016 by Lindsey Math Could someone explain the concept of "magic numbers" in reference to baseball as an indication of how close a team is to clinching the division title and how to calculate it? Saturday, January 16, 2016 by Simon Math Abby plans to purchase pencils as prizes for the school fair. The pencils cost$11.52 per case or can be purchased individually. With her available money, Abby can either buy ten cases of pencils and eight individual pencils or she can buy 1160 individual pencils. In either ...
Saturday, January 16, 2016 by Anonymous

Math
Justin is saving money to buy a game. So far he has $12 which is three fourths of the total cost How much does the game cost Saturday, January 16, 2016 by Shanae Algebra/math A teacher is showing her class how to fold a square piece of paper to create a paper cup. One of the steps is shown below. According to the measurements, what is the length of x, in inches? Saturday, January 16, 2016 by Sarah Math Solve the quadratic equation using the quadratic formula, x^2-3x+2=0. Saturday, January 16, 2016 by Blessings math Assume an 18 month CD purchased for$7000 pays an APR of 7% compounded monthly. What is the APY? APY = ___% Round the answer to two decimal places
Saturday, January 16, 2016 by matt

math
Assume an 18 month CD purchased for $7000 pays an APR of 7% compounded monthly. What is the APY? APY = ___% Round the answer to two decimal places The previous answer was not correct so they changed the question. Saturday, January 16, 2016 by matt Math Literacy I really don't know how to begin to approach this problem. A 6-year-old patient underwent an outpatient tonsillectomy and adenoidectomy The surgeon ordered 1,000 cc D5W, dispensed at a rate of 600 cc every 8 hours, to maintain hydration levels. A pharmacist calculated the ... Saturday, January 16, 2016 by Rachel Math 108 is 46% of what number? Write and solve a proportion to solve the problem. I think it's 38 correct me if I'm wrong Saturday, January 16, 2016 by Estephania math Sorry... Assume an 18 month CD purchased for$7000 pays an APR of 7% compounded monthly. What is the APY? APY = ___% Round the answer to two decimal places
Saturday, January 16, 2016 by matt

math
Can you please help me I've tried over 30 times on this problem please show me the formula that I need to come up with the answer... Assume and 18 months Ed purchased for 7000 days and APR of 5% compounded monthly. What is the APY? They want me to round the answer to two ...
Saturday, January 16, 2016 by matt

Math
Estimate a 15% tip on a taxi ride that costs $23.25. I got 3.50 as the estimate correct me if I'm wrong Saturday, January 16, 2016 by Estephania math Can you please help me I've tried over 30 times on this problem please show me the formula that I need to come up with the answer... Assume and 18 months Ed purchased for 7000 days and APR of 5% compounded monthly. What is the APY? They want me to round the answer to two ... Saturday, January 16, 2016 by matt math Assume a 30 month CD purchased for 2000 pay simple interest at an annual rate of 5.5%. How much total interest does it turn what is the balance at maturity. They want to know the total interest and the balance at maturity and they want us to give our answer to two decimal places Saturday, January 16, 2016 by matt math Acaris bought for$12500. Its value depreciates by 15% per year. a) Calculate its value after: i) 1year ii) 2years b) After how many years will the car be worth less than $1000? Saturday, January 16, 2016 by Amme math The area of right triangle is 40m2.if one of its leg measure is 8cm . find the length of the other legs Saturday, January 16, 2016 by Anonymous Math Can you help me with this problem Find the inverses of each of the functions below algebraically. a.p(r)=2r2+2r−1 b.3y+5x=18 Saturday, January 16, 2016 by Tomar math find its slant height for volume of a right circular cone is 100¦Ð cm3 and its height is 12cm. Saturday, January 16, 2016 by susovan Math I am a two-digit number. When you add the two digits, you get 12. When you subtract the two digits, you get 6. What number am I? Saturday, January 16, 2016 by Lim sook feng math male=9115 female=9636 if a student is selected at random, find the probability of selecting a student as P(M U F) Saturday, January 16, 2016 by ymme math A linear sequence has a 3rd term = 7, and a 6th term = 36. What is the 8th term? Saturday, January 16, 2016 by Caspar Math The math club had a lunch meeting where the attendees ordered either a hamburger for$2.50 or chicken strips for $3.25. The bill for the 25 lunches was$74.50. The system of equations below represents this situation. 2.50x + 3.25y = 74.50 --------------------- x + y = 25 How ...
Saturday, January 16, 2016 by Silvia

math
1. There are many ways to describe relations and function. Consider the relation shown as a set of ordered pairs: {(2,3),( −1,5),(4,3),(0,5),(3, −2)} a. Describe this relation in three different ways:
Saturday, January 16, 2016 by victoria

math
prove 3cos theta - cos3theta = 2cos theta cos2theta + 4sin theta sin 2theta
Saturday, January 16, 2016 by Cindy

Math
You are looking at a map with a scale of 1 inch equals 50 miles. If two towns are separated on the map by 8 ​inches, what is the actual distance between​ them?
Friday, January 15, 2016 by Candy

math
A man can row 4 kilometers per hour in still water. When the river is flooded, he found out that it requires 6 1/2 hours to row upstream, a distance requiring 3 1/2 hours to row downstream. What is the rate of the current?
Friday, January 15, 2016 by Kaneki

math
Write ( 1 9 ) 3 as a product of the same factor. Then find the value
Friday, January 15, 2016 by paula

math
Assume an 18-month CD purchased for $7000 pays an APR of 7% compounded monthly. What is the APY? (Fill in the blank below and round your answer to 2 decimal places.) APY = % Friday, January 15, 2016 by matt math Assume an 18-month CD purchased for$7000 pays an APR of 5% compounded monthly. What is the APY?
Friday, January 15, 2016 by matt

math
Assume an 18-month CD purchased for $7000 pays an APR of 3% compounded monthly. What is the APY? Friday, January 15, 2016 by matt Math Write 0.5% as a fraction 1/2 1/20 •• 1/200 1/500 Write 3 3/5 as a percent 360% •• 335% 36.0% 33.5% Friday, January 15, 2016 by Estephania Math Write 15% as a decimal 1.5 0.15•• 0.015 0.0015 Write 5.6 as a percent 56% 5.6% 560%•• 0.56% Write 0.5% as a fraction 1/2•• 1/20 1/200 1/500 Write 3 3/5 as a percent 360% 335%•• 36.0% 33.5% Friday, January 15, 2016 by Estephania Math Write each fraction as a percent rounded to the nearest percent 1/3 Friday, January 15, 2016 by Joe Math write 3 16/25 as a percent 3.64% 3.80% 364%••• 380% Friday, January 15, 2016 by Estephania Math Write 16/75 as a percent. Round your answer to the nearest tenth of a percent. 21.3% 2.13% 4.7% 59%•• Friday, January 15, 2016 by Estephania Math 1. A car travels 17 miles in 20 minutes. What is the rate in miles/min. Do I just divide the two so the car is going 85 miles per minute? But is that the correct label or would it be mph? 2. Compare 9 ft. to 7 yards. Write the ratio as a fraction in lowest terms. Since they ... Friday, January 15, 2016 by Fugel Math Asap 1. x/4 – 5 = –8 a) –27 b) –12 <--------------------------- c) –7 d) 12 2. x/5 + 6 = 10 a) 44 b) 30 <----------------------------- c) 20 d) –20 3. –2(m – 30) = –6m a) –15 <-------------------------- b) –13 c) –... Friday, January 15, 2016 by Anonymous Quadratic Equation (math) Complete the square. x^2 + _____ + 36 Help me? I don't understand. Friday, January 15, 2016 by lucas Math A cookie recipe calls for 2/3 of a cup of flour and makes half a dozen cookies. How many cookies can you make if you have 9 cups of flour and want to use it all? I came up with an answer of 81 cookies by using a proportion. 2/3 over 6 (because half a dozen cookies is 6 cookies... Friday, January 15, 2016 by Sarah Math One year, Super Bowl commercial time sold for$4.5 million for 30 seconds of air time. What was the price per second. Round to the nearest cent. If I take 4,500,000 and divide by 30, I get $150,000. I'm not sure this seems right though because there are 60 seconds in a ... Friday, January 15, 2016 by Laci Math help plz!! In the survey one out of three people are named blue as their favorite color two out of seven named red is 1,092 people were included in the survey how many name either blue or red as a favorite color? 416 people 432 people 540 people•• 512 people Friday, January 15, 2016 by Estephania Math 1. –9x – 5 = –95 a) 17 b) 11 <---------------------------- c) 10 d) –10 2. x/4 – 5 = –8 a) –27 b) –12 <--------------------------- c) –7 d) 12 3. x/5 + 6 = 10 a) 44 b) 30 <----------------------------- c) 20 d) –20 4... Friday, January 15, 2016 by Anonymous Math Five times the sum of a number and 17 is at most 25 translate ? Friday, January 15, 2016 by Nun MATH NEED HELP ASAP!!!!! Henry's current age is 10 times Justin's current age. in 6 years,Henry's age will be 4 times Justin's age. Which system of equations can be used to calculate H Henry's current age J Justin's current age? A. J=10h j+6=4(H+6) B.J=H+6 J+4=H+10 C.H=10J H+6=... Friday, January 15, 2016 by Courtney Math The table shows the results of rolling a number cube labeled one through six 50 times. Number Rolled Frequency 1 7 2 9 3 11 4 6 5 9 6 8 1. What is the experimental probability of rolling a 3? 0.11 0.22 0.30 ** 0.27 2. Based on the experimental probability, predict the number ... Friday, January 15, 2016 by Friendly Math please. What is the y-intercept of y = 2/3x + 2? I have to write it out but how? A line has a slope of 1/2 and passes through the point (0,5). What is the equation of the line? A)y = 1/2x + 5 B)y = 1/2x - 5<--- C)y = 5x + 1/2 D)y = -5x + 1/2 Find an equation of the line that passes... Friday, January 15, 2016 by Walt Math A school has an equal number of boys and girls. You use a coin to simulate the first three students to arrive at school each day, where “heads” represents a boy and “tails” represents a girl. The table below shows a sample of 20 coin tosses T H T T T T T H ... Friday, January 15, 2016 by unknown Math ASAP ASAP!!!!! Earl earns a weekly salary of$150 plus 20% of amount of his sales for the week. Last week he earned $230. The equation below can be used to find "s" the amount of his sales in dollars last week 230=150+0.2s What was the amount of Earl's sales last week? A.$180 B...
Friday, January 15, 2016 by Courtney

Math
What is the y-intercept of y = 2/3x + 2? I have to write it out but how? A line has a slope of 1/2 and passes through the point (0,5). What is the equation of the line? A)y = 1/2x + 5 B)y = 1/2x - 5<--- C)y = 5x + 1/2 D)y = -5x + 1/2 Find an equation of the line that passes...
Friday, January 15, 2016 by Walt

Math
in the survey one out of three people are named blue as their favorite color two out of seven named red is 1,092 people were included in the survey how many name either blue or red as a favorite color? 416 people 432 people 540 people•• 512 people
Friday, January 15, 2016 by Estephania

Math
this is about 385 miles from San Francisco how far apart with the cities on the map with a scale 1 inch equals 15 mile if necessary round to the nearest hundredth. A. 26.33in B. 25.67in•• C. 24.33in D. 27.50in
Friday, January 15, 2016 by Estephania

Math
Which is the Best Buy? $10.88 for 7 cans of tuna••$11.55 for 6 cans of tuna $17.25 for 9 cans of tuna$15.31 for 8 cans of tuna
Friday, January 15, 2016 by Estephania

Math
Two towns that are 31.5 km apart are 3 cm apart on a map what is the scale of the map? 1cm=29.5km 1cm=9.5km 1cm=10.5km 1cm=15.5km••
Friday, January 15, 2016 by Estephania

math
the lenght of a rectangle field is twice of its breadth.if the perimeter of field is 27 metre,find its lenght and breadth
Friday, January 15, 2016 by yusra

Math
write three ratios equal to 4/36 A. 1/8,2/16,3/24 B. 4/36,4/40,4/44 C. 1/9,2/18,3/27•• D. 1/9, 1/18,1/27
Friday, January 15, 2016 by Estephania

Math
write a ratio the situation in three ways comparing the first quantity to the second quantity. A zoo has 14 monkeys and 18 chimpanzees. A. 18 to 14, 18:14, 18/14 B. 14 to 28, 14:28, 14/28 C. 18 to 14, 14:18, 14/18 D. 14 to 18, 14:18,14/18••
Friday, January 15, 2016 by Estephania

math
you went to lunch with your friend and the bill was$27.00. your lunch is$8.00 more than your friend's. How much was your friend's lunch?
Friday, January 15, 2016 by olivia

math
a closed rectangular tank 180cm height, 300cm long and 200cm wide is made of metal sheet which costs 850 naira per square meter. calculate the cost of metal sheet used in making the tank
Friday, January 15, 2016 by NAFISAT

math
2. find the lateral area for the given prism: 26 cm , 6 cm, 15 cm A. 1,092 cm^2 B.998cm^2 C.1,272 cm^2 D. 870 cm^2 3. find the surface area for the given cylinder use 3.14 for pi and round the nearest whole number 6ft 20 ft A. 180 ft^2 B. 720 ft^2 C. 433 ft^2 D. 135 ft^2 4. ...
Friday, January 15, 2016 by emogirl

Math
The record for the fastest speed on a bicycle is 133 kilometers per hour. How long would it take a person traveling at this speed to travel 365.75 kilometers
Friday, January 15, 2016 by Sarah

Math-algebra
5x(5x3+9^2)+4 I got 28x^2+88 I know i wrong but idont know how to do the problem. There isn't a value for x, it's an unknown variable.
Friday, January 15, 2016 by Elaina

math
which typing is faster? A( 320 words in 8 minutes B( 600 words in 12 minutes C( 350 words in 10 minutes D( 225 words in 5 minutes
Friday, January 15, 2016 by Anonymous

Math
A percentage that represents the yearly increase in prices of things you buy is called
Friday, January 15, 2016 by Joseph

math
The perimeter of an equilateral triangle is 33.6 cm. How long is one side?
Friday, January 15, 2016 by alex

Math
which of the following expression is true? 2^4*2^3=2^12 3^3*3^6>3^8 4^2*4^2>4^4 5^5*5^2=5^10 i think is the c but please check for me.
Friday, January 15, 2016 by the lost one

math
according to the triangle inequality, the length of the longest side of a triangle bust be less than the sum of the lengths of the other two sides. the two shortest sides of a triangle measure 3/10 and x + 1/5 and the longest measures 3/2x. write an inequality that uses the ...
Friday, January 15, 2016 by j

math
5/8+3/12
Friday, January 15, 2016 by candy

math
A picture is 42 cm by 36 cm. A scale diagram of the picture must fit in a space that is 3 m by 2 m. Write a reasonable scale for the scale diagram.
Friday, January 15, 2016 by Em

Math
Measuring across a 14 inches how many square inches is in the circle
Friday, January 15, 2016 by Lee

Math
I am trying to help my child with this problem and I have no idea what to do to solve this word problem. Paul used 1 1/4 gallons of paint to cover 3/8 of the walls in his living room. How many gallons of paint will Paul need to paint all the walls in his living room?
Friday, January 15, 2016 by Jason

Math
I need help with setting up this problem. It took Melanie 1/3 of an hour to ride her bike 2 3/4 of a mile. How many miles per hour can Melanie ride her bike?
Friday, January 15, 2016 by Tricia

Math literacy, Geography, Life science, Agriculture
Which career path can i follow with the subject above
Friday, January 15, 2016 by Tekanyo

math
kollies commission rate for selling cosmetic is 15% if he sold total of 200 a week how much commission did he receive?
Friday, January 15, 2016 by shadrach

Math
Find the area of the roof which is just covered by 1050 tiles,each tile measuring 2 square decimeters?
Friday, January 15, 2016 by Shaheen

math
In 2013, the price of a business math text rose to \$120. This is 10% more than the 2012 price. What was the old selling price?
Friday, January 15, 2016 by stephanie

math
How many different ways can a team have a final score of 11 points in NFL football?
Thursday, January 14, 2016 by briana

math
A billboard is 4.0 meters by 2.5 meters. A scale diagram of the billboard must fit in a space that is 15 centimeters by 12 centimeters. Write a reasonable scale for the scale diagram.
Thursday, January 14, 2016 by Emily