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3 years ago

6

1. Data scientists store and process large sets of

1 answer:

disa [49]3 years ago

3 0

Answer:

Data Scientists store and process large sets of numerical data using various functions. A function is a block of code which is generally organised and it performs a single, related action.

Functions provide a better way of handling for an application and it also allows reusability. Functions are also known as methods, subroutines and procedures in a certain programming language.

Step-by-step explanation:

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Factorising quadratics 2nd page

mihalych1998 [28]

A^2-b^2=(a+b)(a-b)

1: x^2-4=(x+2)(x-2)
2: (x+8)(x-8)
3: (x+10)(x-10)
4: (x+14)(x-14)

7 0

3 years ago

On number 26 I need help getting started

Snowcat [4.5K]

How many cubes do you see? Answer : 40 cm3

3 0

3 years ago

Over a period of 3 years, the company’s sales of biscuits increased from 15.6 million packets to

horsena [70]

Answer:

33%

Step-by-step explanation:

So you Subtract 20.8 by 15.6 and you get 5.2.

Then you divide 5.2 by 15.6 getting you .33. Then you'll make it into a percentage getting you 33%. This could be wrong but let me know.

I hope this helps! ^^

5 0

3 years ago

Can somebody help me with this question?

V125BC [204]

Answer:

$\frac{2}{5}\vec{a}+\vec{b}$

Step-by-step explanation:

$\vec{DE}=\vec{DB}+\vec{BE}$

$=\frac{3}{5}\vec{OB}+\frac{1}{5}\vec{BC}$ $\left\{OD:DB=2:3,BE:EC=1:4\right\}$

$=\frac{3}{5}\left(\vec{OA}+\vec{AB}\right)+\frac{1}{5}\left(\vec{BA}+\vec{AO}+\vec{DC}\right)$

$=\frac{3}{5}\left(\vec{a}+\vec{b}\right)+\frac{1}{5}\left(-\vec{b}-\vec{a}+\vec{3b}\right)$

$=\frac{2}{5}\vec{a}+\frac{2}{5}\vec{b}+\frac{3}{5}\vec{b}$

$=\frac{2}{5}\vec{a}+\vec{b}$

<em>I hope this helps you</em>

<em>:)</em>

8 0

3 years ago

The heights (in cm) and arm spans (in cm) of 31 students were measured. The association between (height) and (arm span) is shown

sergeinik [125]

Answer: Mike's arm span is 7.165 cm longer than the George's one.

Step-by-step explanation:

We have that the association between height and arm span is modeled by the equation

y = 4.5 + 0.977*x

where y is height and x is arm span.

Mike is 172 cm tall, so his arm span is:

172cm = 4.5 + 0.977*x

x = (172 - 4.5)/0.977 = 171.443 cm

and George is 165 cm tall, so his arm span is:

x = (165 - 4.5)/0.977 = 164.278 cm

Then the difference between their arm span is:

171.443cm - 164.278cm = 7.165 cm

So Mike's arm span is 7.165 cm longer than the George's one.

6 0

3 years ago