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prisoha [69]
2 years ago
15

BCDE is a parallelogram.What is the measure of <BEC​

Mathematics
1 answer:
Arlecino [84]2 years ago
8 0
The measure is 90 if correct
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Margarita [4]

Answer:

1 1/2= 0.50

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3 3/2 1.5

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Step-by-step explanation:

6 0
3 years ago
Solve the system by substitution. Check your solution.
zvonat [6]
B. (9,126)

<span>y + 18 = 16x
=>y=16x-18 
0.5x + 0.25y = 36 (multiply both sides by 4)
=>2x+y = 144
Substitute y=16x-8

=>2x+16x-8=144
=>18x=152
=>x=152/18=9 
y=16x-18
=>y=16(9)-18
=>y=144-18=126 
Answer: x=9 and y=126</span>
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Step-by-step explanation:

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