Which expression represents twice a number, n, increased by 7?

Mathematics

2 answers:

Whitepunk [10]3 years ago

6 0

Answer:

2n + 7

Step-by-step explanation:

'2 twice a Number N' , Is 2n

'Increased By 7' Add 7 .

That Will be Your Answer! Please Rate Brainiest!

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jek_recluse [69]3 years ago

3 0

Answer: 2n+7

Twice the number n = 2n

Increased by 7= Adding 7

So the answer would be 2n+7

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Holding a ruler upright at arm’s distance (24 in.), Ronnie aligned the bottom of the ruler with a mark on the utility pole that

atroni [7]

Answer:

10 feet

Step-by-step explanation:

Drawing obviously not to scale but... Red segment is the ruler, at least the part between 5 and 6 inches, 1 inch long. Brown segment is the pole, ground to the top. Leftmost point is the eye, green line is the horizontal. The triangles are similar (AAA, the vertical lines are parallel), the ratio of the side is the same as the ratio of the heights. The height of the larger triangle (measured across the green line is

$40 yd \times 3\frac{ft}{yd} \times 12\frac{in}{ft}= 1440''$ .

Ratio of the height is then $1440\div24 = 60$ .

At this point the height of the pole is 60 times the length of the measure on the ruler, or 60 inches, that is 5 feet. Add the 5 feet the pole was starting from, it's 10 feet.