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guapka [62]
3 years ago
9

ZDAC = ZBAD What is the length of BD? Round to one decimal place. 5.8 0 5.5

Mathematics
1 answer:
o-na [289]3 years ago
8 0

Answer:

Step-by-step explanation:

traingle ADC and triangle ADB are similar triangles

\frac{AC}{AB}=\frac{CD}{DB}\\\\

Substitute the values

\frac{5.8}{5.5}=\frac{3}{BD}\\\\5.8*BD=5.5*3\\\\BD=\frac{5.5*3}{5.8}\\\\BD=2.8

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3 years ago
1) An elevator is on the 15th floor, it goes down 18 floors
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Answer:

It is on floor 2

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3 years ago
What is the value a and b in<br> The equation<br><br> a(3x -8)=b-18x
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Answer:

a=\frac{b-18x}{3x-8}\\b=3ax-8a+18x

Step-by-step explanation:

<u>Solving for A:</u>

a(3x-8)=b-18x - Given

\frac{a(3x-8)}{(3x-8)}=\frac{b-18x}{(3x-8)} - Divide both sides by 3x-8 to isolate a

a = \frac{b-18x}{3x-8} - Simplify

<u>Solving for B:</u>

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