I have a bunch of graph problems and they are killin me! Please answer 90 pnts, giving brainliest
2 answers:
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<h2>1.</h2>
Firstly, combine like terms:
Next, subtract r on both sides of the equation:
Next, add 8 onto both sides of the equation:
Lastly, divide both sides by 6 and <em><u>your answer will be r = 3.</u></em>
<h2>2.</h2>Firstly, multiply both sides by e:
Lastly, divide both sides by 3, and <em><u>your answer will be </u></em>
Answer:
Choice C is correct
Step-by-step explanation:
The first step is to re-write the equations in exponential form.
The first equation can be written as;
since the base is 10 and 4 the exponent.
The second equation can be written as;
The second step is to make N the subject of the formula in both equations.
Solving for N from this equation , yields;
Solving for N from the second equation , yields;
Therefore;