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nikitadnepr [17]
3 years ago
8

What is the simplified expression for -3(2x-7)+2y+ 2(x+y)?

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
8 0

Answer:

-4x+4y+21

Step-by-step explanation:

-3(2x-7)+2y+2(x+y)

-6x+21+2y+2x+2y

-4x+21+4y

-4x+4y+21

Expanded and simplified :)

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3 years ago
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The difference of three times a number and 1 is the same as twice the number find the number
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3 years ago
Cual es el resultado de truncar a milésimos (3 decimales) 2/7 cuando lo convertimos a número decimal
Whitepunk [10]

The value of 2/7 expressed as a truncated decimal to the nearest thousandth is 0.286

Rational numbers are numbers written as the ratio of two integers. For example, the fraction 2/7 given is a rational number.

Expressing 2/7 as a decimal number will give;

2/7 = 0.2857142... (It gave repeated decimal values)

Truncating the repeating decimal to the nearest thousandth means writing the decimal to 3 decimal places

0.2857142 = 0.286 (to the nearest thousandth)

Hence the value of 2/7 expressed as a truncated decimal to the nearest thousandth is 0.286

Learn more here: brainly.com/question/24643812

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Derivative of y=(3x+5)^3​
UkoKoshka [18]

\\ \sf\longmapsto \dfrac{dy}{dt}

\\ \sf\longmapsto \dfrac{d}{dt}(3x+5)^3

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