3 years ago

Which product is negative?

Mathematics

2 answers:

katovenus [111]3 years ago

8 0

Last one because it has an odd number of negative signs

Ivanshal [37]3 years ago

6 0

the answer is D

hope it helps

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I need some help, please help. I have been stuck on this for days.

dlinn [17]

Answer:

Angle CDE equals 155 degrees :D

Step-by-step explanation:

parallel lines

since the left angle is 57, angle BAE is also 57

180-57=123

right angle=90

115+90+123+57=385

540-385=155

thus, angle CDE equals 155 degrees

5 0

2 years ago

Read 2 more answers

Make m the subject of the formula m/v - t/b = m-t/r

RoseWind [281]

Answer:

$m = - \frac{ \frac{t}{b} + \frac{t}{r} }{1 - \frac{1}{v} }$

Step-by-step explanation:

$\frac{m}{v} - \frac{t}{b} = m - \frac{t}{r} \\ \frac{m}{v} - \frac{t}{b} + \frac{t}{r} = m \\ - \frac{t}{b} + \frac{t}{r} = m - \frac{m}{v} \\ - \frac{t}{b} + \frac{t}{r} = m(1 - \frac{1}{v} ) \\ - \frac{t}{b} + \frac{t}{r} = \frac{m( 1 - \frac{1}{v}) }{(1 - \frac{1}{v}) } \\ - \frac{ \frac{t}{b} + \frac{t}{r} }{1 - ( \frac{1}{v} ) } = m$