Answer:
Solving for t : t=5+2r/5
Solving for r : r=-25/2+5t/2
Step-by-step explanation: Move all of your terms that don't contain r to the right side and solve. Move all terms that don't contain t to the right side and solve.
Hope this helps you out! ☺ I just solved it and I don't have any choices to go off of and so I just solved it. Sorry if it's wrong. ☺
<em>Answer</em>
= 11
<em>Explanation</em>
f(x) = x² + 3x- 7
To get the value of f(x) when x = 3, we substitute x with 3 in the function f(x).
f(x) = x² + 3x- 7
= 3² + (3×3) -7
= 9 + 9 - 7
= 11
Answer:
B
Step-by-step explanation:
It's very easy
Hello
First you have to remove your parenthesis and since there is a “+” in front of the parenthesis, the expressions remain the same. So:
9.88+6.7-x = 2,6
Now, you have to add the numbers. So:
16.58-x = 2,6
Next, you have to move the constant (x) to the right and change its sign since it changes side. So:
-x = 2,6-16,58
Now, calculate the difference:
-x = 13,98
And lastly, change the signs on both sides of the equation since - + - equals +. So:
x = 13,98
Hope you found this helpful
Have a good day
