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zysi [14]
3 years ago
6

find three consecutive integers such that the sum of the first and twice the second is equal to the third plus four​

Mathematics
1 answer:
katovenus [111]3 years ago
7 0

Answer:

The three consecutive integers are 2,3,4

Step-by-step explanation:

Let the three consecutive integers be represented as x,x+1,x+2

As per the given condition, the sum of the first and twice the second integer is equal to the third integer plus 4.

Representing it in the form of an equation:

x + 2*(x+1) = (x+2) + 4

=> x + 2x + 2 = x+6

=> 3x + 2 = x + 6

=> (3x -x) = 6 - 2

=> 2x = 4

=> x = 4/2 = 2

So the three integers are 2,3,4

Verification: 2 + 2*3 = 8

                    4 + 4 = 8

So the requirement is satisfied by these integers.

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Answer:

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Step-by-step explanation:

We are given that

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We have to find the rate at which the water level rising when the water level is 4 cm.

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\frac{l}{h}=\frac{4}{12}=\frac{1}{3}

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V=\frac{1}{27}h^3

Differentiate w.r.t t

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Substitute the values

25=\frac{1}{9}(4^2)\frac{dh}{dt}

\frac{dh}{dt}=\frac{25\times 9}{16}=\frac{225}{16} cm/s

5 0
3 years ago
A rectangle has length 72 cm and it’s width 56 cm. The other rectangle has the same area as this one, but its width is 21 cm. Fi
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A = 72* 56

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L =192


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Allison has 4 1/2 cups of sugar. She used 2/3 of it to make cookies. How much sugar did Allison use for the cookies?
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