<span><span>7−<span>4x</span></span>+<span>2<span>(<span><span><span>(5)</span><span>(2)</span></span>+8</span>)</span></span></span><span>=<span><span><span>7+</span>−<span>4x</span></span>+36</span></span>Combine Like Terms:<span>=<span><span>7+<span>−<span>4x</span></span></span>+36</span></span><span>=<span><span>(<span>−<span>4x</span></span>)</span>+<span>(<span>7+36</span>)</span></span></span><span>=<span><span>−<span>4x</span></span>+43</span></span>Answer:<span>=<span><span>−<span>4x</span></span>+<span>43</span></span></span>
(2300 / 4500) * 100 = 51.1%
Hope this helps! :)
Step-by-step explanation:
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Nothing "weighs" 56.7 grams. "Gram" is a unit of mass, not force or weight.
On Earth, 28.35 grams of mass weigh about 1 ounce .
1 dozen of anything = 12 of them
If each tennis ball has 56.7 grams of mass, then a dozen of them
have
(12) x (56.7) = 680.4 grams of mass .
Their weight is (680.4 grams) x (1 ounce / 28.35 grams) =
(680.4 / 28.35) = 24 ounces.
That's 1.5 pounds.
I think that x=9 not sure though
