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What is double 7?
2*(-7) = -14
What is 7 over 8 subtract 7 over 12?
7/8 = 21/24 7/12 = 14/24 21/24 - 14/24 = 7/24
What is divisibility rule of 7?
Double the last digit and subtract the last digit from the remaining digits.
What is the divisibility test for 7?
You can determine if a number is divisible by 7 by using the following method: E.g. 161 - Double the last digit (2 x 1 = 2) Subtract 2 from the number formed by the the remaining digits in this case, 16 -2 = 14 If the result is divisible by 7 (14 /7 =2); then the original number is divisible by 7. 161 / 7 = 23
What is the range for 14 9 11 21 7?
14. If you have the numbers in order like so: 7,9,11,14,21 you can see that 21 is the greater number. You then subtract 21 from the smallest number, 7, and you get 14.
What is the rule of division for 7?
Double the last digit. Subtract it from the rest. If the result is divisible by 7, the original number is divisible by 7.
What is the answer to 27 subtract 14?
13
What is 5 7 subtract 9 14?
10/14 - 9/14 = 1/14
What is the factor of w squared subtract 5w subtract 14?
(w + 2)(w - 7)
What is double 7?
2*(-7) = -14
What is ten and three sevenths minus five and one half?
Get a common denominator (14), so you have (10 6/14 ) - (5 7/14). Since 7/14 > 6/14, borrow a 1 from the 10:1 = 14/14, so you have (9 20/14) - (5 7/14). Subtract the fractions and subtract the whole numbers: 413/14
What is 7 over 8 subtract 7 over 12?
7/8 = 21/24 7/12 = 14/24 21/24 - 14/24 = 7/24
What is the answer for9x plus 7-2x equals 14?
9x + 7 - 2x = 14 Combine like terms: 7x + 7 = 14 Subtract 7 from both sides: 7x = 7 Divide both sides by 7: x = 1
What is 5 over 7 minus 7 over 14?
5/7 - 7/14 becomes: 10/14 - 7/14. Then subtract across to get the final answer: 3/14. 5/7 became 10/14 by finding the lowest common denominator which is 14. Then you figure 7 goes into 14 two times, and 2x5 = 10 therefore 5/7 becomes 10/14.
What is divisibility rule of 7?
Double the last digit and subtract the last digit from the remaining digits.
How do you know when 7 is a factor of a number?
Double the last digit, subtract it from the rest. If the result is divisible by 7, the whole number is divisible by 7.
What is the factor trick for 7?
If you double the last digit and subtract it from the rest of the number and the answer is zero or divisible by 7, then the whole number is divisible by 7.
