0
-1
What else can I help you with?
15 plus what equals -30?
-15
What mixed number equals 210?
10x21=210
What is adding and subtracting with like denominators 2 15 and 14 15?
2/15 - 14/15 = -12/15 2/15 + 14/15 = 16/15 = 1 1/15
What equals 15 times 14?
It is so easy if you use your calculator! 15*14 = 210
What does A equal if 2a-15 equals -1?
A = 7. The reason it equals 7 is because 'a' is represented as a multiply number. Therefore what ever number 'A' is, it has to be multiplied by 2 (depending on what number is in front of the letter) Therefore 7 x 2 = 14. 14-15 = -1.
What is 15 more than -1?
16
What is the halfway number between -3 over 7 and -15 over 14 equals?
Then number half way between them is their mean average: (-3/7 + -15/14) ÷ 2 = (-6/14 + -15/14) ÷ 2 = -21/14 ÷ 2= -21/28 = -3/4
What is 15 plus something equals 100?
15 + ? = 100 is the same as 100 - 15 So the answer is 85
If an isotope of silicon has 15 neutrons what is the mass number?
The mass number of an isotope is the sum of its protons and neutrons. Silicon has an atomic number of 14, meaning it has 14 protons. If the isotope has 15 neutrons, the mass number would be 14 protons + 15 neutrons, which equals 29. Therefore, the mass number of the silicon isotope is 29.
What is 11-15-2-15?
The expression 11-15-2-15 involves a series of subtractions. First, you subtract 15 from 11, which gives you -4. Then, subtracting 2 results in -6, and finally subtracting 15 gives you -21. Therefore, 11-15-2-15 equals -21.
What adds to equal -14 and multiplies to equal -15?
The two numbers that add to equal -14 and multiply to equal -15 are -15 and 1. When you add them together, -15 + 1 equals -14. Their product, -15 × 1, equals -15.
If 3 plus 18 equals 7 7 plus 14 equals 3 6 plus 18 equals 4 8 plus 112 equals 15 then 9 plus 135 equals?
9 plus 135 = 16 The series is formed by dividing the second number by the first number and then adding 1 to the quotient. 18 ÷ 3 = 6 : 6 + 1 = 7 14 ÷ 7 + 2 : 2 + 1 = 3 18 ÷ 6 = 3 : 3 + 1 = 4 112 ÷ 8 = 14 : 14 + 1 = 15 135 ÷ 9 = 15 : 15 + 1 = 16
