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3 years ago

P=3m (p=pages, m=minutes) How many pages can a person read in 20 minutes

Mathematics

1 answer:

Anton [14]3 years ago

6 0

Answer:60 pages / 20 min

Step-by-step explanation:

Since the equation is 3m and there is a total of 20 min, with 3 pages a minute, you multiply 3 by 20 to get 60 pages for 20 minutes.

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3 years ago

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Find x ????????????????????????

Virty [35]

Answer:

here

h=x,p=15,b=9

using pythagoras theorem

h^2=p^2+b^2

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3 years ago

Two kids are roller skating. Amy, with a mass of 55 kg, is traveling forward at 3 m/s. Jenny, who

alekssr [168]

Answer:

They traveling at $0.37\ m/s$ in backward direction.

Step-by-step explanation:

Given mass of Ammy $m_1=55kg$

and velocity is forward at $v_1=3m/s$

Also, mass of Jenny $m_2=40kg$

Who is travelling in opposite direction $v_2=-5m/s$

Let velocity in forward direction is positive and velocity in backward direction is negative.

Also, velocity after crash is $v$

As they crashed into each other and they moved as one mass. We can apply principle of conservation of momentum.

Conservation of momentum says momentum before collision should equal to momentum after collision.

$m_1v_1+m_2v_2=(m_1+m_2)v$

$(55\times3)+(40\times(-5))=(55+40)v\\\\165-200=95v\\\\-35=95v\\\\v=\frac{-35}{95}=-0.368m/s$

So, velocity after collision $v$ ≅ $-0.37m/s$ is in opposite direction. That is the direction of Jenny.

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3 years ago

Part two for: "HELP ME PLEASEEEE Using the digits 1 - 9, at most one time each, create an improper fraction and a mixed number t

KIM [24]

Answer: 5/3 = 1 10/6

Step-by-step explanation: This is the right answer.

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2 years ago

Which of the following recursive formulas represents the same arithmetic sequence as the explicit formula an=5+(n-1)2?

satela [25.4K]

Answer:

Step-by-step explanation:

In Arithmetic sequence , 2nd term = first term + d

3rd term = 2nd term + d

In this given explicit formula, we can find that d =2

an ----> n th term; an-1 -----> n-1 th term

an = an-1 th term + 2

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3 years ago

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