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3 years ago

What is 1+2(2*2)-1 i just don’t know man it’s tough pls help

Mathematics

2 answers:

xxMikexx [17]3 years ago

3 0

Answer:

Step-by-step explanation:

1 + 2(2*2) - 1

1 + 2(4) - 1

1 + 8 -1=8

irina [24]3 years ago

3 0

Answer:

Step-by-step explanation:

To solve an equation use PEMDAS(parenthesis, exponents, multiplication, division, addition, subtraction)

First solve for the parenthesis.

1+2(2*2)-1 = 1+2(4)-1

Then solve any multiplication/ division in order.

1+2(4)-1= 1+8-1

Then solve any addition/ subtraction in order.

1+8-1= 9-1= 8

The answer to the expression is 8.

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3 years ago

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Irina-Kira [14]

Answer:

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Step-by-step explanation:

Recall the Exponent Law:

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3 years ago

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What is the sum of 2x^2 and 2x^3

jeyben [28]

For this case we have the following expression:

$2x ^ 2 + 2x ^ 3$

The terms are not similar, so they cannot be added.

<em>Examples of similar terms:</em>

$x ^ 3 + x ^ 3 = 2x ^ 3\\3x ^ 4 + 2x ^ 4 = 5x ^ 4$

Then, the expression given can only be rewritten as:

$2 (x ^ 2 + x ^ 3)$

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Answer:

$2 (x ^ 2 + x ^ 3)$

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3 years ago

Y=3xy-1, Solve for y

Ket [755]

Answer:

y = $\frac{1}{3x-1}$

Step-by-step explanation:

Given

y = 3xy - 1

Collect terms in y on the left side by subtracting 3xy from both sides

y - 3xy = - 1 ← factor out y on the left side

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y = $\frac{-1}{1-3x}$ ← multiply numerator/denominator by - 1

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3 years ago

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KATRIN_1 [288]

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Step-by-step explanation:

Used online calculator.

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2 years ago

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