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3 years ago

14

10. Jessica had dance class for 3 hours last night, Tiffany had dance class for of time that Jessica had dance class. How long d

id Tiffany have dance class?

2 answers:

Stolb23 [73]3 years ago

5 0

Answer:

i think theres a typo somewhere

Step-by-step explanation:

Firlakuza [10]3 years ago

5 0

6 hours cause 2 * 3 is 6

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4 years ago

∠DEF and ∠FEG are supplementary. m∠DEF=(3x+5)°, and m∠FEG=(2x)°. What is the measure of ∠DEF?

Alex787 [66]

Answer:

DEF = 110

Step-by-step explanation:

Supplementary angles add to 180

3x+5 +2x = 180

Combine like terms

5x +5 = 180

Subtract 5 from each side

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Divide each side by 5

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x =35

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