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Fofino [41]
3 years ago
10

Find the value of X on this proportion

Mathematics
2 answers:
rosijanka [135]3 years ago
5 0

solving proportions is simply a matter of stating the ratios as fractions, setting the two fractions equal to each other, cross-multiplying, and solving the resulting equation. You'll probably start out by just solving proportions, like this:

<span><span><span>Find the unknown value in the proportion:  </span><span>2 : x = 3 : 9.</span></span><span>2<span> :</span> x = 3<span> :</span> 9</span>First, I convert the colon-based odds-notation ratios to fractional form:.Then I solve the proportion:<span> 
</span><span>9(2) = </span><span>x(3)</span> <span>
1</span><span>8 = 3x</span><span> 
</span><span>6 = x</span></span><span><span><span>Find the unknown value in the proportion:  </span><span>(2x + 1) : 2 = (x + 2) : 5</span></span><span>(2x + 1)<span> :</span> 2 = (x + 2)<span> :</span> 5</span><span><span> ADVERTISEMENT</span><span> </span></span>First, I convert the colon-based odds-notation ratios to fractional form:Then I solve the proportion:<span> 
</span><span>5(2x + 1)  =  2(x + 2)</span><span> 
</span><span>10x + 5  =  2x + 4</span><span> 
</span><span>8x  =  –1</span><span> 
</span><span>x = –1/<span>8</span></span></span>
Serga [27]3 years ago
4 0

Answer:

the answer is c .

Step-by-step explanation:

8 1/10 , took it on edgenuity.

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Ierofanga [76]

Answer:

Step-by-step explanation:

Here you go mate

Step 1

(-5)(5) +5  Equation

Step 2

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(-5)(5) +5

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Step-by-step explanation:

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-4(9n + 9) = -12(4n - 6).
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Answer:

n = 9

Step-by-step explanation:

Step 1: Write equation

-4(9n + 9) = -12(4n - 6)

Step 2: Solve for <em>n</em>

<u>Distribute:</u> -36n - 36 = -48n + 72

<u>Add 48n to both sides:</u> 12n - 36 = 72

<u>Add 36 to both sides:</u> 12n = 108

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Step 3: Check

<em>Plug in n to verify if it's a solution.</em>

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Answer:

\sf\longmapsto \: x = 11

Step-by-step explanation:

\sf\longmapsto \: 2x = 24 - 2

\sf\longmapsto \: 2x = 22

\sf\longmapsto \: x =  \frac{22}{2}

\sf\longmapsto \: x = 11

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