Answer:
x = ~8.9
Step-by-step explanation:
a^2 + b^2 = c^2
c is the long side
a and b are the other two shorter sides
this means
x^2 + 19^2 = 21^2
x^2 + 361 = 441
x^2 = 441- 361
x^2 = 441- 361
x^2 = 80
square root of 80 = ~8.9
x = ~8.9
Answer:
y = -1/2
Step-by-step explanation:
First distribute.
8y - 8y + 8 = 6 - 16y + 4 - 10
8 = -16y
Divide by -16.
y = -1/2
Answer:
23
Step-by-step explanation:
Answer:
40% change
Step-by-step explanation:
6/10=40%
Even then<span>, the resulting error coins will NOT be doubled </span>dies<span>. Only proof coins are struck </span>more than once<span> with the </span>number<span> of </span>times<span> that they are struck depending on the alloy of the planchets that will be struck into coins. </span>
