Describe how the formula to find perimeter of a rectangle is an application of the Distributive property

1 answer:

8 0

When you are looking for the perimeter of the rectangle, you just add all of them up to get the answer, but when you are using distributive property it can help you understand that this number amount of times. For example, the perimeter of 5, 10, it =15, but when you use distributive property, 2(5+10), that equals 30.

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Find the measure of angle A

Mariana [72]

Apply the law of cosines. and solve for A

$14^{2} = 11^{2} + 11^{2} - 2(11)(11)cos(A) \\ 
196 = 121 + 121 - 242cos(A) \\ 
-46 = -242cos(A) \\cos(A) = 0.1900826446$

A = 79.04239272, or 79

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2 years ago

Richard walks every day for exercise at a rate of 1 kilometer every 12 minutes

Kobotan [32]

He coud walk 5 meters in one hour because i did 60-12-12-12-12 and then you have a extra 12 so he got 5 meters in one hour part b he can 1 more further because 1 meter because before it was 12 hope explained it right

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Which two sets of angles are corresponding angles?

mojhsa [17]

Answer:

∠a and ∠d; ∠b and ∠c

Step-by-step explanation:

The two triangles as similar triangles and the scale factor is 2 : 1

The sides measuring 6 and 3 are corresponding sides

The sides measeuring 8 and 4 are ocrreposnding sides

⇒ ∠a and ∠d are corresponding angles

The sides measuring 8 and 4 are corresponding sides

The sides measeuring 4 and 2 are ocrreposnding sides

⇒ ∠b and ∠c are corresponding angles

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1 year ago

Where is the blue dot on the number line?

earnstyle [38]

<em>Answer:</em>

–6.8

<em>Method:</em>

Counting backwards from –7 to –6.5

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1 year ago

Read 2 more answers

Sarah's hair appointment is 30 miles away. How fast must she travel to get there in 60 minutes?

Fudgin [204]

Answer:

30 miles an hour

Step-by-step explanation:

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2 years ago