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miv72 [106K]
3 years ago
15

Problems due Monday.

Mathematics
2 answers:
Ilya [14]3 years ago
8 0
11) x = 6
12) x = 7/4
Leya [2.2K]3 years ago
5 0
11. 2<span><span><span>+6x</span>+4</span>=<span>3x+12</span></span>Step 1: Simplify both sides of the equation.<span><span><span>2+6x</span>+4</span>=<span>3x+12</span></span><span><span><span>(6x)</span>+<span>(2+4)</span></span>=<span>3x+12</span></span>(Combine Like Terms)<span><span>6x+6</span>=<span>3x+12</span></span><span><span>6x+6</span>=<span>3x+12</span></span>Step 2: Subtract 3x from both sides.<span><span><span>6x+6</span>−3x</span>=<span><span>3x+12</span>−3x</span></span><span><span>3x+6</span>=12</span>Step 3: Subtract 6 from both sides.<span><span><span>3x+6</span>−6</span>=12−6</span><span>3x=6</span>Step 4: Divide both sides by 3.<span><span>3x3</span>=63</span>x=2Answer:x=212.−<span><span><span>5+<span>8x</span></span>+2</span>=<span><span>4x</span>+4</span></span>Step 1: Simplify both sides of the equation.<span><span><span><span>−5</span>+<span>8x</span></span>+2</span>=<span><span>4x</span>+4</span></span><span><span><span>(<span>8x</span>)</span>+<span>(<span><span>−5</span>+2</span>)</span></span>=<span><span>4x</span>+4</span></span>(Combine Like Terms)<span><span><span>8x</span>+<span>−3</span></span>=<span><span>4x</span>+4</span></span><span><span><span>8x</span>−3</span>=<span><span>4x</span>+4</span></span>Step 2: Subtract 4x from both sides.<span><span><span><span>8x</span>−3</span>−<span>4x</span></span>=<span><span><span>4x</span>+4</span>−<span>4x</span></span></span><span><span><span>4x</span>−3</span>=4</span>Step 3: Add 3 to both sides.<span><span><span><span>4x</span>−3</span>+3</span>=<span>4+3</span></span><span><span>4x</span>=7</span>Step 4: Divide both sides by 4.<span><span><span>4x</span>4</span>=<span>7/4</span></span><span>x=<span>7/4</span></span>Answer:<span>x=<span>7/4</span></span>
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I’m begging for help!! ASAP
kompoz [17]

This is an awful question.  They mean to say  the number of hours practicing <em>per week</em> (we'll call it h) varies inversely with the <em>time</em> (t) she runs her event.  Unless they mean to imply more practicing makes Tyler slower, in which case she should just get a pizza.

Inverse variation means the product is a constant, we'll call it k.

ht = k

When h = 1 hour t=6 minutes

(1)(6) = k

k = 6  (hour*minutes, but as long as we're consistent we don't need to sweat the unit.)

Decreasing her time by one minute means t = 6 - 1 = 5.  We solve for h.

ht = k

h = k/t = 6/5 = 1.2 hours

Answer: 1.2 hours, second choice

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3 years ago
Can someone give me the answer
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That's what choice-B says.


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AVprozaik [17]
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ValentinkaMS [17]

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Last week, steph curry made 56 free throws. if his free throw percentage is 80%, how many free throws did he attempt?
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