You would just decide both sides by 2.
-x = -9/3 ⇨ -3
Since both numbers are negative, the product becomes a positive.
x=3
Hope this helped!
A right triangle follows the Pythagorean theorem: a^2 + b^2 = c^2
Let’s work out the problems
1. 20^2 + 72^2 = 75^2
40 + 5184 = 5625
False
2. 40^2 + 74^2 = 85^2
1600 + 5476 = 7225
False
3. 45^2 + 60^2 = 75^2
2025 + 3600 = 5625
True
The correct answer is (45, 60, 75)
Answer:
50
Step-by-step explanation:
i did and the teachet said it is coorrexf to give put
Let
be the three numbers. We know that the first number is 7 more than the third, which means 
Also, we know that the second number is 2 times the third, which means 
Finally, we know that the three numbers sum up to 75, but we can rewrite the sum in terms of the third numbers, because the two previous equations gave us a way to express
and
in terms of
:

Now, we can use those same equations to deduce the other two numbers:

F(x)= 32 because if 40 times 4 equals 160, 8 times 4 would equal 32