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goldenfox [79]
3 years ago
15

Do I have a rare user? Just asking :)

Mathematics
2 answers:
photoshop1234 [79]3 years ago
8 0

Answer:

yes yes yes yes yes yes

Andre45 [30]3 years ago
5 0

Answer:

lol yes?

Step-by-step explanation:

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What is the surface area of a prism that has detentions of: length is 5.5, width is 6, and the hight is 2.4
Alex787 [66]

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79.2

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Ross is shopping for mulch that costs $1.29$1.29 per cubic foot. During his first trip to the store, he bought 16.516.5 cubic fe
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You add $1.29 and $1.29 and 16.5 and 16.5 and 4.5 and 4.5 and that equals $44.58.


I hope I helped you! :)


$1.29 + $1.29 + 16.5 + 16.5 + 4.5 + 4.5 = $44.58.

- Shelly O
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Which expressions are equivalent to
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30

Step-by-step explanation:

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Two pipes can fill a tank in 19 minutes if both are turned on. If only one is used, it would take 49 minutes longer for the smal
a_sh-v [17]

Answer:

The time taken by smaller pipe to fill the tank alone is 74.2 min

Step-by-step explanation:

Given as :

The time taken by two pipes to fill tank = 19 min

Let the time taken by larger pipe to fill tank = y

And the time taken by smaller pipe to fill tank = x

According to question

The smaller pipe takes 49 minutes longer than larger pipe

I.e x = y + 49

Now,

\dfrac{1}{x} + \dfrac{1}{y} = \dfrac{1}{49}

Or, \dfrac{1}{y + 49} + \dfrac{1}{y} = \dfrac{1}{49}

Or, \dfrac{y + 49 + y}{y^{2} + 49 y } = \dfrac{1}{49}

Or, 2 y + 49 = \dfrac{y^{2}+49y }{19}

Or, 19 × ( 2 y + 49 ) = y² + 49 y

Or, 38 y + 931 = y² + 49 y

Or, y² + 49 y - 38 y - 931 = 0

or, y² + 11 y - 931 = 0

Or, Applying quadratic equation method to calculate the value of y

so, y = \frac{- b \pm \sqrt{b^{2}-4\times a\times c}}{2\times a}

Or,  y = \frac{- 11 \pm \sqrt{11^{2}-4\times 1\times (-931)}}{2\times 1}

Or, y = \frac{- 1 \pm \sqrt{121+3724}}{2}

or, y = \frac{- 1 \pm \sqrt{3845}}{2}

or, y = \frac{- 1 \pm 62.008}{2}

∴   y = 25.2 , - 36.5

So, The time taken by larger pipe = y = 25.2 min

and the time taken by smaller pipe to fill the tank = y + 49 = 25.2 + 49 = 74.2 min

Hence The time taken by smaller pipe to fill the tank alone is 74.2 min answer

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2 years ago
What is the probability of the complement of rolling a number less than 5 by using a six-sided die?
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If 5 and less then D but if just less than 5 then B
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