The integer factor pairs of the first number can be written as ...
... -9 = -1×9 = -3×3 = -9×1
The sums of the factors in these factor pairs are, respectively, ...
... 8, 0, -8
The factor pair (-9, 1) meets your requirement.
Answer:
B
Step-by-step explanation:
I think it's 1 3/4. I had one similar earlier.
Answer:
41
Step-by-step explanation:
x² = 40²+9²
= 1600+81
= 1681
x= √1681 = 41
Answer:
The simplest form is 1/r^7 + 1/s^12
Step-by-step explanation:
The given expression is r^-7+s^-12.
Notice that the exponents of both the base are negative
So, we will apply the rule which is:
a^-b = 1/a^b
Which means that to change the exponent into positive we will write it as a fraction:
r^-7+s^-12.
= 1/r^7 + 1/s^12..
Therefore the simplest form is 1/r^7 + 1/s^12....