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serious [3.7K]
3 years ago
8

What is the measure of ABD

Mathematics
1 answer:
andre [41]3 years ago
8 0

Answer:

39

Step-by-step explanation:

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3 years ago
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The difference of 4 times a number and 15 is -16. Find the number.
hichkok12 [17]

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-1/4

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3 years ago
Solve this equationn 5w=17.5
Alchen [17]

Answer:

w = 3.5

Step-by-step explanation:

w = 3.5?

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3 years ago
Find the positive value of x in the geometric sequence 7x-2,4x+4,3x
Goryan [66]
Hello,


Let's assume k the ratio.


 \left \{ {{3x=k*(4x+4)} \atop {4x+4=k*(7x-2)}} \right. \\\\
 \left \{ {{3x-4kx=4k} \atop {4x-7kx=-2k-4}} \right. \\\\
 \left \{ {{x(3-4k)=4k} \atop {x(4-7k)=-2k-4}} \right. \\\\
 \left \{ {{x=\dfrac{4k}{3-4k} \atop {x=\dfrac{-2k-4}{4-7k} \right. \\\\

\dfrac{4k}{3-4k}=\dfrac{-2k-4}{4-7k}\\\\

36k^2-6k-12=0\\
6k^2-k-2=0\\

\boxed{k= \dfrac{2}{3} \ or\ k= -\dfrac{1}{2}}\\\\

x=\dfrac{4*\dfrac{2}{3} }{3-4*\dfrac{2}{3} }=8\\
x=\dfrac{4*\dfrac{-1}{2} }{3-4*\dfrac{-1}{2} }=-\dfrac{2}{5}\\







\boxed{x= 8 \ or\ x= -\dfrac{2}{5}}\\\\





5 0
3 years ago
ONE MORE AFTER THIS PLEASE HELP ME
adoni [48]

the answer ur looking for is

y + 3

4 0
2 years ago
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