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ruslelena [56]
3 years ago
11

Which equation can be solved to find one of the missing side lengths in the triangle?

Mathematics
1 answer:
IrinaK [193]3 years ago
8 0

Answer:

it should be D....due to the fact that opposite over adjacent for the missing length



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For what value of x is PQ || BC?<br> A 5<br> B. 6<br> C. 7<br> D. 8
Dahasolnce [82]

Answer:

C. 7

Step-by-step explanation:

In\: \triangle ABC\\\overline{PQ} \parallel \overline {BC}.. (given) \\

Therefore, by Basic Proportionality theorem:

\frac{AP}{PB} = \frac{AQ}{QC} \\\\\therefore \frac{x}{x+7} = \frac{x-3}{x+1} \\\\ \therefore \:  \frac{x - x - 7}{x + 7}  =  \frac{x - 3 - x - 1}{x + 1}  \\ (by \: dividendo) \\  \\  \frac{ - 7}{x + 7}  =  \frac{ - 4}{x + 1}  \\  \\  \frac{7}{x + 7}  =  \frac{4}{x + 1}  \\  \\ 7x + 7 = 4x + 28 \\  \\ 7x - 4x = 28 - 7 \\  \\ 3x = 21 \\  \\ x =  \frac{21}{3}  \\  \\ \huge \red{ \boxed{ x = 7}}

5 0
3 years ago
In chemistry class 18 liters of 30% alcohol solution must be mixed with 20% solution to get 14% solution how many liters of 20%
alexdok [17]
If you are mixing a 30% solution with a 20% solution to obtain a 14% solution, you will never obtain a 14% solution.

5 0
3 years ago
What is the value of x?
erica [24]

Answer:

D. 11.1

Sin(46)=8/x

x=8 ÷sin(46)

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5 0
2 years ago
Read 2 more answers
X divided by 3 equal -12
sammy [17]
The answer would be -36 because all i did is multiply -12 with 3 and you get -36.

hope this helped :)
7 0
3 years ago
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-4(×+4)=2(2-x)+10 what is the value of x
vodomira [7]
The value of X is -15.
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3 years ago
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