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3 years ago

A rectangular room’s length is 2 feet less than its’ width and the area of the room is 120 ft^2

Mathematics

2 answers:

lisabon 2012 [21]3 years ago

7 0

Step-by-step explanation:

120/W=1

120/W= I

I =W is equal to 10

julia-pushkina [17]3 years ago

3 0

Answer:

a. 120/w = l

120/l = w

b. l times w = 120

Step-by-step explanation:

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The nature park has a pride of 7 adult lions and 4 cubs. The adults eat 6 pounds of meat each day and the cubs eat 3 pounds. Sim

Mademuasel [1]

Answer:

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Step-by-step explanation:

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2 years ago

.<br> Evaluate the series 1 + 0.1 + 0.01 + . . .

EastWind [94]

We can employ a simple repeated decimal trick:

$x=1.111\ldots$

$0.1x=0.111\ldots$

$\implies x-0.1x=1\implies0.9x=1\implies x=\dfrac1{0.9}=\dfrac{10}9$

###

Alternatively, we can compute the partial sum of the series.

$\displaystyle S_n=\sum_{k=0}^n\dfrac1{10^k}$

$S_n=1+0.1+0.01+\cdots+\dfrac1{10^n}$

$0.1S_n=0.1+0.01+0.001+\cdots+\dfrac1{10^{n+1}}$

$\implies S_n-0.1S_n=0.9S_n=1-\dfrac1{10^{n+1}}$

$\implies S_n=\dfrac{10}9-\dfrac9{10^n}$

As $n\to\infty$ , the second term vanishes and we're left with $\dfrac{10}9$ . Notice that this is really just a more formal version of the earlier trick.

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2 years ago

Read 2 more answers

42+30=[BLANK](7+5)<br> 20 POINTS!!

qaws [65]

Answer:

42+30=72

7+5=12

72-12=60

Blank=60

Step-by-step explanation:

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2 years ago

What is the solution to the equation -5(s-30)=-10

melomori [17]

Answer: S=28

Step-by-step explanation:

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a jug of orange juice is made by mixing 21 juice with 51 how many litres of water will be needed for 61 of juice?

Genrish500 [490]

Answer:

Step-by-step explanation:

Youll already be at max capacity so no you don’t need 6

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2 years ago