3 years ago

Help please due tommorow !!

Mathematics

1 answer:

pogonyaev3 years ago

5 0

2x+3 21
------- = ---
34. 51

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Answer:

(-1,8)

Step-by-step explanation:

The vertex is the point of the parabola and the point is (-1,8) in the graph.

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3 years ago

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Ramon needs to simplify the expression below. 3.5x2-04 8.1 + 1.5-4 Which operation should he perform first? 1.5-4 2=0.4 3.5 x 2

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3 years ago

Encuentra en cada producto notable el error o errores,enciérralo y escribe el resultado correcto.

lbvjy [14]

Given:

The equation is:

$(2x+3y)(2x-3y)=4x^2+6y^2$

To find:

The error in the given equation and correct it.

Solution:

We have,

$(2x+3y)(2x-3y)=4x^2+6y^2$

Taking left-hand side, we get

$L.H.S.=(2x+3y)(2x-3y)$

$L.H.S.=(2x)^2-(3y)^2$ $[\because a^2-b^2=(a-b)(a+b)]$

$L.H.S.=(2)^2(x)^2-(3)^2(y)^2$ $[\because (ab)^x=a^xb^x]$

$L.H.S.=4x^2-9y^2$

It is not equal to right-hand side $4x^2+6y^2$ . In the right hand side, there must be a negative sign instead of positive sign.

Therefore, $(2x+3y)(2x-3y)=4x^2-6y^2$ .

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3 years ago

Which study best exemplifies descriptive statistics?

irina1246 [14]

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