A²+b²=c²
39²+b²=89²
1521+b²=7921
subtract 1521 from both sides
b²=6400
so then you square both sides
√6400
80
Answer:
x=6
Step-by-step explanation:
2(x-4)+x=10
expand into 3x-8
add 8 to both sides 3x-8+8=10+8
simplify 3x=18
divide both sides by 3 3x/3=18/3
simplify x=6
Answer:
True
Step-by-step explanation:
First, we need to recognize that
Now, we can try to solve
Multiply each side by 
As we end up with an answer that cannot be true, we know that there is no solution.
Another method to solve this would be graphing the function 
When graphed, it can be seen that there is an asymptote at x=0 meaning that there is no value for x=0.
Answer:
I would choose to use the equation with feet per hour. Submarines reach such great depths that I feel this unit of measurements better represents the magnitude of those depths.
Step-by-step explanation:
Answer: 3/8
Step-by-step explanation:1/2 divided by 4/3 is equal to 1/2 x 3/4 (you cannot divide by a fraction, you must multiply by it’s reciprocal- flip it, or cross multiply. Here we are flipping it)
Now multiply across the top ( numerators)
And then across the bottom (denominators)
1x3=3
2x4=8
Answer is 3/8
