2 years ago

Please help me with this

Mathematics

1 answer:

Lelu [443]2 years ago

3 0

Answer:

Step-by-step explanation:

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The cost of 5 pens is $140.50. What is the cost of 1 pen?

nydimaria [60]

Answer:

28.1

Step-by-step explanation:

140.50/5

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3 years ago

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The 20% tip for a $60 meal is?

BARSIC [14]

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$12

Step-by-step explanation:

60.00 meal

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Mark rode his bike 22/8 miles. which mixed number shows the fraction of miles he rode his bike

Vlad1618 [11]

Answer:

Hey there!

There aren't any options, but the correct answer would be 2 6/8, which simplifies to 2 3/4.

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3 years ago

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Is (1, 2) a solution of 6x-y > 3?

nikdorinn [45]

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yes

Step-by-step explanation:

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3 years ago

Solve using Quadratic Formula <br>x^2 + 3x - 3 = 0

katrin [286]

Answer:

a= 1 , b= 3 , c= –3

$x = \frac{ - b \frac{ + }{} \sqrt{ {b}^{2} - 4ac} }{2a} \\ x = \frac{ - 3 \frac{ + }{} {} \sqrt{ {3}^{2} - 4(1)( - 3)} }{2(1)} \\ = \frac{ - 3 \frac{ + }{} \sqrt{9 + 12} }{2} = \frac{ - 3 \frac{ + }{} \sqrt{21} }{2} \\ \\ x = \frac{ - 3 \frac{ + }{} \sqrt{21} }{2} \\ \\ x = 0.79 \\ x = - 3.79$

I hope I helped you^_^

4 0

2 years ago

Please help me with this​

Please help me with this