3 years ago

Please solve this. i need help

Mathematics

2 answers:

Lunna [17]3 years ago

7 0

Answer B I think hope this helps

AnnZ [28]3 years ago

5 0

Answer: b

Explenation:

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Answer:

Step-by-step explanation:

∠ BAD = 90° and

∠ DAC + ∠ CAB = ∠ BAD, that is

x + 2x - 30 = 90

3x - 30 = 90 ( add 30 to both sides )

3x = 120 ( divide both sides by 3 )

x = 40 → b

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3 years ago

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Step-by-step explanation:

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3 years ago

Shirley has a collection of 50 stamps and adds 4 stamps daily to her collection. model this situation as a function of number of

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