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Question 1147013: A two motorcycle leave the same place and travelled in opposite directions. If one motorcycle is travelling at 25 mph and the other one is travelling at 30 mph, in how many hours will they be 210 miles apart.?
Click here to see answer by richwmiller(17219)

Question 1147145: The sum of the ages of Peter and Paul is 21. Peter will be twice as old as Paul 3 years from now. What is the present age of Peter?
Click here to see answer by josgarithmetic(39617)

Question 1147145: The sum of the ages of Peter and Paul is 21. Peter will be twice as old as Paul 3 years from now. What is the present age of Peter?
Click here to see answer by ikleyn(52781)

Question 1147225: 4.[5pts]Last year, Singh had $20,000 to invest. He invested some of it in an account that paid 7% simple interest per year, and heinvested the rest in an account that paid 6% simple interest per year. After one year, he received a total of $1280 in interest. How much did he invest in each account?
Click here to see answer by ikleyn(52781)

Question 1147284: The length of a new rectangular playing field is 2 yards longer than quadruple the width. If the perimeter of the rectangular playing field is 454 yards, what are its dimensions?
Click here to see answer by rothauserc(4718)

Question 1147316: The sum of seven of the angles of a dragons is 1170 degrees. The other three angles are all equal to each other. Calculate the sizes of the other three angles.
Click here to see answer by greenestamps(13200)

Question 1147345: For an income over $10,000 a state charges a fixed tax of $300 plus 6.5% of the income in excess of $10,000.
I need to calculate the income tax for an income of $80,000 and determine the amount of income if $7,508.50 was the amount paid in taxes. Can you give guidance on the correct format to complete these.

Click here to see answer by ikleyn(52781)

Question 1147372: J-za is twice as old as his friend Peter. Peter is 5 years older than Alice. In 5 years, J-za will be three times as old as Alice. How old is Peter?
Click here to see answer by josgarithmetic(39617)

Question 1147375: A certain number of quarters and four times as many pennies is worth $1.45. How many of each coin are there?
Click here to see answer by josgarithmetic(39617)

Question 1147371: The speed of the boat in still water is 5.1 km/h. The young man traveled 8.2 km/h upstream in a distance of 10 km. Find the downstream speed of the boat if the total hours to travel is 1=2 hours?
Click here to see answer by ikleyn(52781)

Question 1147376: A train having a length pf 400m, travelling at speed of 15m/s crosses the platform in one min. What is the length of the platform?
Click here to see answer by ikleyn(52781)

Question 1147373: Suppoise i have a coin collection of dimes and quarters containing 46 coins. If i have $6/70, how many of each type of coin do i have?
Click here to see answer by ikleyn(52781)

Question 1147366: Minimize z=3x+2y
2y+6x>=20
6y+2y>=20
subject to 2y+2x>=12
x>=0
y>=0
Click here to see answer by greenestamps(13200)

Question 1147388: The ages of commercial aircraft are normally distributed with a mean of 13 years and a standard deviation of 7.7672 years . what percentage of individual aircraft have ages between nine years and 16 years ? assume that a random sample of 64 aircraft is selected and the mean age of the sample is computed what percentage of sample means had ages between nine years and 16 years?
Click here to see answer by Boreal(15235)

Question 1147365: Josh runs a bakery that sells two kinds of desserts. Josh knows the bakery must make at least 16 and at most 60 boxes of the Fluffy Deliciousness. The bakery must also make between 11 and 65 boxes of the White Chocolate Blizzards. The boxes of Fluffy Deliciousness take 13 ounces of sugar, while boxes of White Chocolate Blizzards require 12 ounces of sugar. The bakery only has 1404 ounces of sugar available. If boxes of Fluffy Deliciousness generate $1.08 in revenue, and boxes of White Chocolate Blizzards generate $1.53, how many boxes of the desserts should Josh have the bakery make to get the most revenue?
find
Fluffy Deliciousness:
White Chocolate Blizzards:
Best revenue:
Click here to see answer by greenestamps(13200)

Question 1147407: Bill has decided to go into business manufacturing and selling computers out of the garage of his home. He spent $1,000 to remodel his garage and to buy tools. It costs him $250 for the parts to make a computer, which he sells for $500.
a. Find the cost function C(x), the revenue function R(x), and the profit function P(x).
b. How many computers will he have to sell in order to make a profit of $12,000?
Click here to see answer by ikleyn(52781)

Question 1147435: Paula is 10 years younger than Greg. In 7 years, she will be 10 years more than half as old as Greg. Find their age at present?
Click here to see answer by josgarithmetic(39617)

Question 1147435: Paula is 10 years younger than Greg. In 7 years, she will be 10 years more than half as old as Greg. Find their age at present?
Click here to see answer by ikleyn(52781)

Question 1147447: What is the Double cleaning balance depreciation (DDB) of four years depreciation schedule for a truck that was purchased for 30000000/= with a life time of 4years and has residual value of 2000000/=?
Click here to see answer by Alan3354(69443)

Question 1147481: Give an example of a function which is continuous at all points except -1,2 and 10.
Click here to see answer by greenestamps(13200)

Question 1147481: Give an example of a function which is continuous at all points except -1,2 and 10.
Click here to see answer by ikleyn(52781)

Question 1147484: Give an example of a function which is differentiable at all points except 1,2,3.
Click here to see answer by ikleyn(52781)

Question 1147483: Give an example of a function which is continuous at all points except 1,2 and 3.
Click here to see answer by ikleyn(52781)

Question 1147482: Give an example of a function which is differentiable at all points except 1,3 and -4.
Click here to see answer by ikleyn(52781)

Question 1147526: How can i find current GDP in amount in current year if i am given previous year GDP amount and grp growth in %?
GDP growth = (GDP in current period - GDP in the previous period) / GDP in the previous period * 100
But if i am given this data
GDP in the previous period = 10
GDP growth = 5
GDP in current period - GDP in the previous period = ?
You can see the calculation here :
https://www.omnicalculator.com/finance/gdp-growth
Click here to see answer by Theo(13342)

Question 1147538: In my pocket I have 15 coins, pennies and quarters. If I have 2 pennies, how many quarters do I have?
Click here to see answer by josgarithmetic(39617)

Question 1147606: 1x + 0.99y + 0.13z =0.5(x+y+z)
0.99x + 0.05y + 0.02z = 0.24 (x+y+z)
Find X : Y : Z
Thank you in anticipation

Click here to see answer by ikleyn(52781)

Question 1147621: Line 1: -3x-3y=6
The slope of the line is
Line 2: 4x+4y=8
The slope of second Line is
What can you infer about the two lines?

A. They are parallel
B.They are perpendicular
C. They are equal
D. None of the above
I just need to check answer to see if it’s right
Click here to see answer by Boreal(15235)

Question 1147648: Troy juth wants to purchase new dive equipment for underwater connection. His retail store in colorado springs. He was offered a $45,000 loan at 3% for 60 months. What is his monthly payment by formula? ( round your answer to mearest cent)
Click here to see answer by josmiceli(19441)

Question 1147679: Hi
Please help to form a algebric expression.
there were one fourth as many homework assignment in math class as there were in science. how many homework assignment are there in math class? there was twice as much english homework than the sum of all the science and math homework, how many homework assignments are there in english class?
Click here to see answer by josmiceli(19441)

Question 1147690: Can you please help us to form a algebric expression for the below mentioned question
Fatima has piggy bank that contains either quarters or
Dimes. There is total of 24 coins. She breaks open the piggy bank.
How much my does she have?
Click here to see answer by greenestamps(13200)

Question 1147831: Mr.Wilson invested money into two accounts. His total investment was $20,000. If one account pays 5% in interest and the other pays 3% in interest, how much does he have in each account if he earned a total of $680 in interest in 1 year.
Click here to see answer by josgarithmetic(39617)

Question 1147972: Abbi invested $1,500 in a certificate of deposit with a simple interest rate of 4%. Find the interest earned in 6 years. Then find the total of principal plus interest.

Click here to see answer by greenestamps(13200)

Question 1148105: Factor the below mentioned question
a(x+y)-(x+y)^2
Can you please explain it by step by step
Thank you
Click here to see answer by ikleyn(52781)

Question 1148056: Hans is buying groceries. He buys 2 pounds of ground beef, 3 apples, and 2 loaves of bread. A pounds of ground beef cost $3.40. Apples are 3 for $1. Each loaf of bread costs $1.45. The sales tax is 4%. Which of the following represents the total cost of Hans’ groceries?
A) 6.8 (0.04) +1 x (0.04) + 2.9 (0.04)
B) (.4) (6.8+ 1 + 2.9)
C) (0.04) (6.8 + 1 + 2.9)
D) (1.04) (6.8 + 1 + 2.9)
The handbook say the answer D, but I am bit puzzled because I manually solve the addition problem of ground beef, apples, and bread. I don’t understand how sale tax from .04 became “1.04”. That part is confusing me.

Click here to see answer by greenestamps(13200)

Question 1148213: Subtract 5y^2+y+6 from 2y^2-8y-4
Click here to see answer by josmiceli(19441)

Question 1148214: Subtract 4x+1 from the sum of 5x+4 and 4x-3
Click here to see answer by Alan3354(69443)

Question 1148212: Subtract 2x^2+5x-6 from 3x^2-2x-10
Click here to see answer by ikleyn(52781)

Question 1148376: Anoy the Anay was found in a Library. He was first found at the first page of Letter A Encyclopaedia. One week after, by making a straight hole through pages and covers he was found at the last page of Letter Z Encyclopaedia. Given that the Encyclopaedia has 26 books (each Letter has 1 Book), all pages are 5cm and the covers is 1.5cm each. What is the distance Anoy the Anay travelled?
Click here to see answer by greenestamps(13200)

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