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2 years ago

6

Marcie wants to simplify this expression. Which like terms can she combine? 12 - 4x 3 A) -4x and 3 B) 12 and 3 C) 12 and -4x D)

12, -4x, and 3

1 answer:

mariarad [96]2 years ago

6 0

Its B like terms she can combine are 12 and 3 simply because there are no numbers with -x

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frez [133]

Answer:

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Step-by-step explanation:

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2 years ago

A rectangular countertop has a perimeter of 26 feet. its area is 30 square feet. what are the dimensions of the counter?

Sladkaya [172]

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3 years ago

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2 years ago

Whats 19 divided by 5 in long division

viktelen [127]

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3 years ago

Read 2 more answers

How to find the number of sides of a polygon when given the interior angle sum

wariber [46]

Given:

Sum of interior angle

To find:

Number of sides of a polygon

Solution:

Using sum of interior angles formula:

$$S=(n-2) \times 180^{\circ}$

where "S" is the sum of interior angels and "n" is the number of sides of a polygon.

Divide by 180° on both sides.

$$\frac{S}{180^{\circ}}=\frac{(n-2) \times 180^{\circ}}{180^{\circ}}$

Cancel common factor 180°.

$$\frac{S}{180^{\circ}}=n-2$

Add 2 on both sides.

$$\frac{S}{180^{\circ}}+2=n-2+2$

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Switch the sides.

$$n=\frac{sum}{180^{\circ}}+2$

Therefore number of sides of a polygon is $n=\frac{sum}{180^{\circ}}+2$ .

3 0

3 years ago