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  • What is negative 3 plus 7? - Answers
    4--3= 7 it is the same as 4+3=7 minus a negative is like plus a positive What is negative 3 plus 1 plus negative 5? The answer is -7 minus three plus one is minus two, adding a negative is the same as subtraction and so plus negative five means minus 5 so the sum is -2-5=-7 The Sum= -3+1-5 -2-5 -7
  • Can a square number end with a 2 or 3 or 7 or 8 and why . . . - Answers
    A square number can't end with 2, 3, 7, or 8 Remember that 0^2=0, 1^2=1, 2^2=4, 3^2 =9, 4^2=16, 5^2=25, 6^2=36, 7^2=49, 8^2=64, and 9^2=81 Looking at some examples of squared number and using the distributive property shows:Using the distributive property on 72 x 7272 x 72 = 72 x 70 + 2 x72 = 72 x 70 +70 x 2 +2 x 2Here, the problem that gives the ones place digit is 2 x 2 Using the
  • 1 3 4 7 11 18 29? - Answers
    This is called a Fibonacci Sequence where the two initial (seed) values are 1 and 3, thereafter every term is the sum of the two previous terms 4 = 3 + 1 7 = 4 + 3 11 = 7 + 4 18 = 11 + 7 29 = 18 + 11 So the next number would be the sum of, 29 + 18 = 47
  • What is the rule to the pattern 1 3 7 15 31? - Answers
    What is the rule for this pattern 2 6 15 31 56 92? The pattern at each stage is the addition of a square number of increasing value to the previous term 1 + 12 = 2 2 + 22 = 6 6 + 32 = 15 15 + 42 = 31 31 + 52 = 56 56 + 62 = 92 The formula for the nth term is, a(n) = n3 3 + n2 2 + n 6 + 1 or it can be written a(n) = 1 6(2n3 + 3n2 + n + 6) So the 7th term = 1 6(686 + 147 + 7 + 6) = 1 6 x 846
  • What is the product of 3 and 7? - Answers
    What is the difference between the product of 3 and 7 and the sum of 3 and 7? The product of 3 and 7 is found by multiplying the two numbers together, which equals 21 The sum of 3 and 7 is found by adding the two numbers together, which equals 10 Therefore, the difference between the product of 3 and 7 and the sum of 3 and 7 is 21 - 10 = 11
  • What are some math equations that equal 7? - Answers
    Some math equations that equal 7 include 3+4, 10-3, 14 2, and 2^3-1 These equations demonstrate different mathematical operations such as addition, subtraction, division, and exponentiation that can be used to arrive at the sum of 7 Mathematically, these equations represent various ways to combine or manipulate numbers to achieve the desired result of 7
  • What is the pattern rule for 3 7 12 18 25 33? - Answers
    What is the property of 7 plus 0 equals 7? What is the circumference of a circle with a diameter of 10mm? Two cars leave from the same place and same time and drive in opposite directions one car travels an average of 7mph more than the other after 2hrs the cars are 283 miles apart find the speed of each?
  • What are the 4 digit combinations of the numbers 0 through 9?
    If using numbers 0 through 9 how many different 4 digit combinations can be made? To calculate the number of different 4-digit combinations that can be made using numbers 0 through 9, we use the concept of permutations
  • What is 2 thirds of seven? - Answers
    Basically, seven tenths is written as 7 10 And in a fraction, 7 10 means 7 divided by 10 So, 7 divided by 10 is 0 7 if you write it in decimals And, two thirds is written as 2 Which means the same thing, 2 divided by 3 So, 2 divided by 3 is 0 66666666666(it goes on and on )7 In conclusion 0 7 is larger than 0 6
  • 3 times what equals 7? - Answers
    If 5 times 3 equals 4 and 2 times 8 equals 2 and 6 times 3 equals 3 what is the value of 1 times 7? 5x3=4 2x8=2 6x3=3 1x7=7 40





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