01/18/18

Pythagorean Theorem question
A rectangle area has been painted on a playground surface. To verify that each corner forms a right angle, the designer measured each side: 60’ and 90”, respectively, and then measured the... more
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01/18/18

Description Set
Write a description of the set.E = {x | x ∈ N and 2 < x ≤ 19} E is the set of natural numbers greater than 19 and less than or equal to 2.E is the set of integers greater than 2 and less than... more
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01/18/18

Statement True Or False?
Tell whether the statement is true or false. If false, give the reason.11 ∈ {22, 33, 44, 55, 66}Select one:A. False; 11 is a factor of the elements.B. False; 11 is a set.C. False; 11 is not an... more
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01/18/18

Express the set in roster form.
Express the set in roster form.{x|x is an integer between -2 and 2}Select one:A. {-1, 0, 1}B. {-1, 0, 1, 2}C. {-2, -1, 0, 1}D. {-2, -1, 0, 1, 2}
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01/18/18

How many subsets?
List all subsets or determine the number of subsets as requested.Determine the number of subsets of {4, 5, 6}    
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01/18/18

1/3÷2=1/3÷1/2=1/3×2/1=2/3 error was made on the division problem explanation the mistake
Doesn't understand the problem. 
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01/18/18

Michael is 12121212 years older than Brandon. Seventeen years ago, Michael was 4444 times as old as Brandon. How old is Brandon now?
i need help with a word problem if i do not get this i will fail please anyone help thank you
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01/17/18

What was the average speed for the entire trip?
The jones family took a 600 mile trip to the mountains last spring and averaged 50 miles per hour on the trip. On the return tripthey averaged 55 miles per hour.
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01/17/18

how do i get this answer
The sum of two numbers is 65and the difference is 13. What are the numbers?
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01/17/18

the median of a set of eight numbers is 4 1/2.given hat seven numbers are 9,2,3,4,1,12,13,find the eighth number
mean median mode  
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01/16/18

Find the length of AB if a is located at (-2,0) and b is located at (5,0) 3 7 6 10
Can you please check my answer? i got 7
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01/16/18

point) The midpoint of AB A B is at (2,−3) ( 2 , − 3 ) . If A=(−4,10) A = ( − 4 , 10 ) , find B B .
Can u please help me quickly 
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01/15/18

Probability question
Ms. Sanchez receives a shipment of 45 calculators, but 2 of them are defective. Ms. Sanchez asks a student to test the calculators.What is the probability that the first two calculators tested are... more
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01/15/18

In need of help
y varies directly as x. if y = 3 when x = 2 find y when x = 6
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01/15/18

Is it possible to solve for Y using information from the following problems:
  A + 30= Y B + 28= Y C + 26= Y D + 32 = Y     I'm writing a book (i.e. I'm not great at math) and my protagonist must solve a riddle. The riddle is a Magic Square, where some (four) of the... more
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01/15/18

difference of two squares and difference of two cubes...
Here is the exact question/statement that is needed to be solved... -Write an expression that can be factored as both a difference of two squares and as a difference of two cubes. Use each method... more
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01/15/18

FInd the area of the tin sheeting required for making an open cistern (i.e, without a lid), 5 meters long, 3 m wide, 4m deep.
this is a question on volume and surface area of solids
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01/15/18

In a two digit number. The units digit is thrice the tens digit. If 36 is added to the number, the digits interchange their place. Find the number.
In a two digit number. The units digit is thrice the tens digit. If 36 is added to the number, the digits interchange their place. Find the number.
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01/15/18

Discrete math-Mathematical induction
Hello there, I was just wondering my lecturer deduct my marks for this and gave 1/2 out of 2: Given 4+8+12+...+4n = 2n^2+2n for n>=1, My solution: 1. Inductive base: n =1, 4 = 4; 2.... more
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01/14/18

the sum of three consecutive odd numbers is 51
the sum of three consecutive odd numbers is 51 find the numbers i need help i hope someone can answer my question
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01/13/18

What is the answer
Cameron is shopping for new shirts. The shirts he selects are all the same pric. He also finds a hat that costs $12 and a pair of pants that costs $33.50. Cameron can buy the hat and 4 shirts for... more
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01/13/18

Determine the exact value of cos(Pi/24)???
Determine the exact value of cos(Pi/24)???
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01/12/18

Speed equation
a pilot traveled the first 1 500 miles of a 3 000 journey with an average speed of 400 mph at what speed must the pilot travel the remaining 1,500 miles to record an average speed of 500 mph or the... more
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01/12/18

The product of two consecutive positive integers is 29 more than their sum. Find the integers
The product of two consecutive positive integers is 29 more than their sum. Find the integers
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01/12/18

Time for filling and emptying tanks
There are 10 tanks. It takes exactly 7 minutes to fill each tank, and the tanks must be filled one by one only. All the ten tanks can be emptied in 20 minutes. At the start, with all tanks filled,... more
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