3 x 29 = 87
By multiplying 87 and 49
cross-multiplying
The expression "87 equals" typically leads to a numerical value or an equation. It can be followed by an equality, such as "87 equals 87" or it can represent a solution to a mathematical problem where 87 is the result. If you have a specific equation or context in mind, please provide that for a more precise answer.
The answer to the equation 8 x 48 is 384. You can calculate this by multiplying 8 by 48 directly.
To divide 87 by 3, you can perform the division directly: 87 ÷ 3 = 29. This means that when you divide 87 into three equal parts, each part is 29. You can also check your work by multiplying 29 by 3, which equals 87.
By multiplying 87 and 49
cross-multiplying
to simplify the equation
Francium has 87 protons, and mass numbers ranging from 199 to 232, with the longest lived isotopes having mass numbers of 221 to 223. There are different decay modes for the different isotopes, and without knowing the isotope, we cannot produce an equation.
The answer to the equation 8 x 48 is 384. You can calculate this by multiplying 8 by 48 directly.
To divide 87 by 3, you can perform the division directly: 87 ÷ 3 = 29. This means that when you divide 87 into three equal parts, each part is 29. You can also check your work by multiplying 29 by 3, which equals 87.
this is an example of β radiation, n -> p + e Rb-87 -> Sr-87 + e (rem to write atomic numbers in, Rb is 37 and Sr is 38) The halflife 87Rb is 4,88.1010 years.
87 = 3yDivide each side of the equation by 3:29 = y
Reciprocal. Except that dividing by a rational equation is much easier.
2 x 41 = 82
When you multiply both sides by a negative number the inequality must be flipped over. You do not do that when multiplying by a positive number.
Any equation that requires division by four ninths.