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2 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]2 years ago

3 0

Answer:

Step-by-step explanation:

1 + 2(2*2) - 1

1 + 2(4) - 1

1 + 8 -1=8

irina [24]2 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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2 years ago

Solve the system of two equations 2y=8 and 15y=2x-4

damaskus [11]

To find y, divide the first equation by 2.
y = 4

To find x, use that value for y in the second equation. Add 4, then divide by 2.
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2 years ago

−2(2x+3)≤26 - 2 2 x + 3 ≤ 26 ?

SashulF [63]

$\huge \boxed{\mathbb{QUESTION} \downarrow}$

$- 2 ( 2 x + 3 ) \leq 26.$

$\large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}$

$- 2 ( 2 x + 3 ) \leq 26$

Divide both sides by -2. We know that since 2 is negative, it'll be < (less than) 0. So, the direction of inequality will change.

$2x+3\geq \frac{26}{-2} \\$

Divide 26 by -2..we'll get the answer as -13.

$2x+3\geq -13$

Now, subtract 3 from both the sides.

$2x\geq -13-3$

Subtracting -13 by 3..we'll get the answer as -16.

$2x\geq -16$

Divide both sides by 2. We know that since 2 is positive, the direction of inequality will remain the same.

$x\geq \frac{-16}{2} \\$

Divide -16 by 2..we'll get the answer as -8.

$\huge \boxed{ \boxed{ \bf \: x\geq -8 }}$

The correct answer is ⇨ x greater than or equal to -8.

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2 years ago

I need help i keel putting in the correct answer and it says it wrong

Rina8888 [55]

Answer:

Hi how are you doing today Jasmine

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