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Studentka2010 [4]

3 years ago

10

Meagan is taking piano and gymnastics lessons. She has a piano lesson every 13 days and a gymnastics lesson every 6 days. When w

ill she have both on the same day?

1 answer:

liraira [26]3 years ago

6 0

the answer is 2

there are 13 days, 6x2=12. so the answer is 2.

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Igoryamba

5 + (-10) = 5 - 10
= -5 .

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=2 .

5 + 3 = 8 .

5 + 0 = 5 .

8 0

4 years ago

Let x=2. evaluate the expression. x+4/3x

Verdich [7]

Answer:

1

Step-by-step explanation:

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2+4/3(2)

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3 years ago

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GuDViN [60]

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3 years ago

Pipe A can fill a tank in 5 hours. Pipe B can fill it in 2 hours less time than it takes pipe C, a draining pipe, to empty the t

sukhopar [10]

Answer: Time taken by pipe C to empty the tank = 5 hours.

Step-by-step explanation:

Pipe A can fill a tank in 5 hours.

Let time taken by Pipe C = x ( hours)

Time taken by Pipe B = x-2 ( hours)

Now, with all 3 pipes open, it takes 3 hours to fill the tank, it can be represented as

$\dfrac15+\dfrac1{x-2}-\dfrac1x=\dfrac 13\\\\\Rightarrow\ \dfrac{x-(x-2)}{x(x-2)}=\dfrac13-\dfrac15\\\\\Rightarrow\ \dfrac{x-x+2}{x^2-2x}=\dfrac{5-3}{15}\\\\\Rightarrow \dfrac{2}{x^2-2x}=\dfrac2{15}\\\\\Rightarrow\ x^2-2x=15\\\\\Rightarrow\ x^2-2x-15=0\\\\\Rightarrrow\ x^2-5x+3x-15=0\\\\\Rightarrow\ x(x-5)+3(x-5)=0\\\\\Rightarrow\ (x-5)(x+3)=0\\\\\Rightarrow\ x=5, -3$

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8 0

3 years ago

Please help will upvote

kifflom [539]

So it must have side length √16 = 4 cm and diagonal length 4√2 cm.

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3 years ago