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ladessa [460]
2 years ago
6

1. What is( - 1/2 + 2)2. 4( 1/2+5/4) + (-5)(please answer, I will mark brainliest):)​

Mathematics
1 answer:
Ulleksa [173]2 years ago
4 0

1)

\longrightarrow (-\dfrac{1}{2} +2)

\longrightarrow (-\dfrac{1}{2} +\dfrac{4}{2} )

\longrightarrow \dfrac{-1+4}{2}

\longrightarrow \dfrac{3}{2}

\sf \bold{\longrightarrow 1\dfrac{1}{2}}         (final answer)

2)

\longrightarrow \sf 4(\dfrac{1}{2} +\dfrac{5}{4} ) + (-5)

\longrightarrow \sf 4(\dfrac{2}{4} +\dfrac{5}{4} ) + (-5)

\longrightarrow \sf 4(\dfrac{7}{4} ) + (-5)

\longrightarrow \sf 7-5

\longrightarrow  \bold{\sf 2}        (final answer)

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Simplify. <br><br> −3x3(−2x2+4x−3)
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Answer:

-3x^3(-2x^2+4x-3) simplifies to 6x^5-12x^4+9x^3

Step-by-step explanation:

Given expression -3x^3(-2x^2+4x-3)

We have to simplify the above expression,

Consider the given expression -3x^3(-2x^2+4x-3)

Multiply each term in brackets by -3x^3, we get,

-3x^3(-2x^2+4x-3)=-3x^3(-2x^2)-3x^3(4x)[-3x^3(-3)

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Thus, -3x^3(-2x^2+4x-3) simplifies to 6x^5-12x^4+9x^3


4 0
3 years ago
Read 2 more answers
Find the perimeter of a quadrilateral with vertices at R (-2, 1), S (-5, 5), T (2, 5), U (5, 1). Round your answer to the neares
Nezavi [6.7K]
Check the picture below.

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sum all segments up, and that's perimeter.

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crimeas [40]

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Step-by-step explanation:

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