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nikitadnepr [17]
3 years ago
10

Simplify the expression: 2(3y - 2) + 9

Mathematics
1 answer:
damaskus [11]3 years ago
3 0

Answer:

6y+5

Step-by-step explanation:

2 *3y=6y

2*-2=-4

but -4 +9 = +5

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Answer:

The sum of the two smallest sides must be greater than the third side. If two sides of a triangle are not congruent,

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3 years ago
21 x ________ ÷ 3 = 21 *
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Answer:

first one: <u>3</u>

second one: <u>b</u>

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Step-by-step explanation:

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3 years ago
3. Two cars are parked, 150m apart, and on opposite sides of a building. A camera on the top of the building rotates and can vie
allsm [11]

Answer:

<em>The building is 61.5 m tall</em>

Step-by-step explanation:

The image below is a diagram where all the given distances and angles are shown. We have additionally added some variables:

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x  = base of each triangle

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\displaystyle \tan a=\frac{\text{opposite leg}}{\text{adjacent leg}}

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