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2 years ago

Pleaseeee help

Mathematics

1 answer:

kirza4 [7]2 years ago

5 0

Answer:

-865673635

Step-by-step explanation:

it is it bro

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Which expression is equivalent to *picture attached*

Sedbober [7]

Answer:

$\sum_{n=3}^{20}(n(n+1))=\sum _{n=3}^{20} n^2+ \sum _{n=3}^{20} n$

Step-by-step explanation:

Given expression : $\sum_{n=3}^{20}(n(n+1))$

Solving further :

$\Rightarrow \sum_{n=3}^{20}(n^2+n)$

$\Rightarrow \sum _{n=3}^{20} n^2+ \sum _{n=3}^{20} n$

So, $\sum_{n=3}^{20}(n(n+1))=\sum _{n=3}^{20} n^2+ \sum _{n=3}^{20} n$

So, The given expression is equivalent to Option A

So, Option A is the answer

7 0

3 years ago

Explain please. .........

timofeeve [1]

It means -1x - 2 = 3 those bars make all the number positive

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3 years ago

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Write 46,374 in expanded form

Ann [662]

40,000+6,000+300+70+4

7 0

3 years ago

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Find the equation of the tangent line to g(x) = 4x² + 6x at x = 0 <br> Simplify any fractions

Marina CMI [18]

Answer:

y = 6x

To find equation,

1) Find Derivative

2) Find the slope at x

3) Find coordinates

<h3><u>Lets first Derive The Equation</u></h3>

$\sf \rightarrow y = 4x^2 + 6x$

$\sf \rightarrow \dfrac{dy}{dx} = (2)4x^{2-1} + (1)6x^{1-1}$

$\sf \rightarrow \dfrac{dy}{dx} = 8x + 6$

<u>Secondly find Slope at x = 0</u>

$\sf \rightarrow \dfrac{dy}{dx} = 8(0) + 6$

$\sf \rightarrow \dfrac{dy}{dx} = 6$ Yep so the slope(m) is 6.

Recall, tangent line has the same slope.

<u>Now third step is to find coordinates</u>

At x = 0, y = 4x² + 6x ⇒ y = 4(0)² + 6(0) = 0 $\star$ so coordinates: (0, 0)

Equation:

y - y₁ = m(x - x₁)

y - 0 = 6(x -0)

y = 6x

6 0

1 year ago

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What is product matrix BC ?

Westkost [7]

Answer:

BC=[6,-16,6]

[15,0,5 ]

Step-by-step explanation:

The ones below is the second column

hope this helps

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2 years ago