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Pachacha [2.7K]
3 years ago
12

D/3+10=7 solve problem

Mathematics
1 answer:
ValentinkaMS [17]3 years ago
4 0
D=-9
Let's solve your equation step-by-step.<span><span><span>d3</span>+10</span>=7</span>Step 1: Simplify both sides of the equation.<span><span><span><span>13</span>d</span>+10</span>=7</span>Step 2: Subtract 10 from both sides.<span><span><span><span><span>13</span>d</span>+10</span>−10</span>=<span>7−10</span></span><span><span><span>13</span>d</span>=<span>−3</span></span>Step 3: Multiply both sides by 3.<span><span>3*<span>(<span><span>13</span>d</span>)</span></span>=<span><span>(3)</span>*<span>(<span>−3</span>)</span></span></span><span>d=<span>−9</span></span>Answer:<span>d=<span>−<span>9
Hope it helps and mark as brainliest!</span></span></span>
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D. 48

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Let's first find the probability that in the first 40 trials, exactly two of the coins are heads.

We know that there were 16 such outcomes of 2 heads and 1 tail, and there was a total of 40 possible outcomes. So our probability is:

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