3 years ago

Hey please help show work fast

Mathematics

1 answer:

Stella [2.4K]3 years ago

6 0

Answer:

No solution

Step-by-step explanation:

Because BDC is 20, and DC = DB, DBC is also 20 degrees. ABD would then be 160 since DBC and ABD has to equal 180. You know ADB is 35 so 160 + 25 + x has to equal 180. But 160 + 25 is already 185, and x can't be negative, so no solution.

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A teacher has 3 hours to grade all the papers submitted by the 35 students in her class. She gets through the first 5 papers in

Rasek [7]

The current grading rate is
(30 minute)/(5 papers) = 6 minutes/paper.

She has 3 hours (or 180 minutes) to grade 35 papers.
She now has 180 - 30 = 150 minutes left, and she has 35- 5 = 30 papers left.

The remaining grading rate is
(150 minutes)/(30 papers) = 5 minutes/paper

Therefore she must work at 1 minute/paper faster to complete grading 35 papers in 3 hours.

Answer: She should work faster at an increased rate of 1 minute per paper.

3 0

3 years ago

Simplify: -6(x + 4)

Bess [88]

Answer:

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Step-by-step explanation:

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