A rational expression is the same way that any integer is also a rational number. You can stick to any polynomial in the numerator of a fraction and put "1" in the denominator.
Let's solve your equation step-by-step.<span><span>−<span>3x</span></span>=<span><span>5x</span>+8</span></span>Step 1: Subtract 5x from both sides.<span><span><span>−<span>3x</span></span>−<span>5x</span></span>=<span><span><span>5x</span>+8</span>−<span>5x</span></span></span><span><span>−<span>8x</span></span>=8</span>Step 2: Divide both sides by -8.<span><span><span>−<span>8x</span></span><span>−8</span></span>=<span>8<span>−8</span></span></span><span>x=−1 Answer =-1 I used a calculator </span>
Answer:
See below.
Step-by-step explanation:
X-intercepts: (-7, 0) & (-3, 0)
Axis of Symmetry: x = -5
Y-intercept: (0, -21)
Vertex: (-5, 4)
X = 1/2 and x is also equal to 1/5
Answer, Step-by-step explanation:
According to the exercise, we evaluate the delivery time of a courier company and we will hypothesize the best case with a sample size of 10, which is:
Small sample T test for single mean
The hypothesis that we will develop will be the following:
null hypothesis = mu> = 6
hypothesis alternativa: <6