They are decreasing 20 miles per hour for every 1 hour in hours 7-10
Answer:
see attached
Step-by-step explanation:
As you know, dividing by a fraction is the same as multiplying by that fraction's inverse (or reciprocal). Any whole number is equivalent to the fraction that is that whole number divided by 1. (For example, 4 = 4/1.)
Answer:move the decimal between the 0 and 8
Step-by-step explanation:
Let's solve your equation step-by-step.<span><span><span>34</span><span>(<span>x+8</span>)</span></span>=9</span>Step 1: Simplify both sides of the equation.<span><span><span>34</span><span>(<span>x+8</span>)</span></span>=9</span><span><span><span><span>(<span>34</span>)</span><span>(x)</span></span>+<span><span>(<span>34</span>)</span><span>(8)</span></span></span>=9</span>(Distribute)<span><span><span><span>34</span>x</span>+6</span>=9</span>Step 2: Subtract 6 from both sides.<span><span><span><span><span>34</span>x</span>+6</span>−6</span>=<span>9−6</span></span><span><span><span>34</span>x</span>=3</span>Step 3: Multiply both sides by 4/3.<span><span><span>(<span>43</span>)</span>*<span>(<span><span>34</span>x</span>)</span></span>=<span><span>(<span>43</span>)</span>*<span>(3)</span></span></span><span>x=4</span>Answer:<span>x=4</span>
When you distribute the 6, you equation will look like this...
24x + 12 + 3x
All you need to do is combine like terms and your equation is...
27x + 12
So your answer is B :)