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2 years ago

What is cross products

Mathematics

1 answer:

kow [346]2 years ago

3 0

Cross products are a binary operation on two vectors in three dimensional space, and is denoted by the symbol.

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What is (2.3x10^-3)/(4.6x10^-7) written in scientific notation? Please show how you solved this.

lions [1.4K]

(2.3*10^-3) / (4.6*10^-7)

(2.3*0.001) / (4.6*0.0000001) *10^-3=0.001 & 10^-7=0.0000001*

(0.0023) / (0.00000046) *2.3*0.001=0.0023 & 4.6*0.0000001=0.00000046*

5000 *0.0023/0.00000046*

So the answer is 5000

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3 years ago

Any help please I don’t really know how to do this

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2 years ago

The expression 100 + 20m100+20m100, plus, 20, m gives the volume of water in Eduardo's pool (in liters) after Eduardo spends mmm

hodyreva [135]

Answer:

205 litres

Step-by-step explanation:

Given:

Volume of water is given as:

$V=100+20m$ (in litres)

<em>m</em> is the time in minutes spent filling water in Eduardo's pool.

To find:

Volume of water in the pool after the water is filled for $5\frac{1}{4}$ minutes.

Solution:

Here, volume of water in the Pool (in litres) is given by the equation:

$V=100+20m$ ....... (1)

Where m is the time for which Eduardo fills the pool.

Here, we are also given that

m = $5\frac{1}{4}$ minutes = $\frac{5\times4+1 }{4}=\frac{20+1}{4}=\frac{21}{4}$ minutes

And we have to find the value of V after $\frac{21}{4}$ minutes.

Let us put the value of m as $\frac{21}{4}$ minutes in the equation (1) to find the value of V.

$V=100+20m\\\Rightarrow V = 100 + 20 \times \frac{21}{4}\\\Rightarrow V = 100+105\\\Rightarrow \bold{V = 205\ litres}$

So, the volume of water in the pool after $\frac{21}{4}$ minutes is <em>205 litres.</em>

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3 years ago

What is the mean of the data without the outlier included?

AlladinOne [14]

I think the mean with outliers excluded are called trimmean.

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2 years ago

Account has been hac ked what do i do????

Nikolay [14]

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3 years ago

What is cross products ​

What is cross products