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lorasvet [3.4K]
3 years ago
11

a rock climber climbs down into the grand canyon at a rate of 2ft/ min. how long will it take to climb down 50 feet?

Mathematics
1 answer:
Karolina [17]3 years ago
5 0

25 minutes

50/2=25


Hope this helps!!

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Find the complete factorization of the expression. 12xy + 28xz A) 4yz(10x) B) 4yz(3x + 7x) C) 4x(3y + 7z) D) 4(3xy + 7yz)
VashaNatasha [74]

Answer:

<em>The correct option is:  C)  4x(3y + 7z)</em>

Step-by-step explanation:

Given expression is:   12xy+28xz

First we need to find the GCF(Greatest common factor) of 12xy and 28xz and then we will factor out that GCF.

12xy \Rightarrow 2\times 2\times 3\times x\times y\\ \\ 28xz\Rightarrow 2\times 2\times 7\times x\times z

We can see that the common factors are:  2,2, x

So, the GCF will be:  2\times 2\times x= 4x

Now factoring out 4x from the given expression, we will get.....

12xy+28xz\\ \\ = 4x(\frac{12xy}{4x}+ \frac{28xz}{4x}) \\ \\ =4x(3y+7z)

So, the complete factorization will be:  4x(3y+7z)

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Shalnov [3]

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Consider the two data sets. Which has the higher mean and median? What is the higher mean and median?
Klio2033 [76]

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Set 2 mean - 23.5

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Answer:

y = 189.8

Step-by-step explanation:

Apply trigonometric function to find y.

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Cos θ = Adj/Hypo

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3 years ago
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