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dusya [7]
2 years ago
10

Given lines a, b, and c, if a⊥b and c⊥b then a⊥c. True or false

Mathematics
1 answer:
aliina [53]2 years ago
8 0

Answer:

false, because they a and c would be parallel

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Put 2 (n^2 + 8n + 16) in standard form
tino4ka555 [31]

Answer: 2n^2 + 16n + 32

Step-by-step explanation:

Distribute 2 to all the terms inside parentheses.

2 (n^2 + 8n + 16)

2n^2 + 16n + 32

Hope this helped!

6 0
3 years ago
Round 3550 to nearest 1000
ICE Princess25 [194]
3550 to the nearest 1000 would be 4000 
4 0
3 years ago
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Regan ran a total of 12 miles over the course of three track practices. How many miles would Regan have run after five practices
Ipatiy [6.2K]

Answer:

20 miles

The drawings will help

7 0
3 years ago
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Dustin and Melanie are playing a game, where two standard, six-sided number cubes are rolled, and the sum of their outcome is fo
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Answer:

Melanie.

Step-by-step explanation:

The possible ways of getting a 6 are (3,3), (2,4), (4,2), (1,5) and (5,1).

That is 5 ways.

The possible ways of getting a 7 are (1,6), (6,1), (5,2),( 2,5), (3, 4), (4,3).

That is 6 ways.

So Melanie made the better decision.

4 0
3 years ago
Elena receives ​$131 per year in simple interest from three investments totaling ​$3000. Part is invested at​ 3%, part at​ 4% an
ioda

Answer:

Elena invested $ 1,700 at 5%, $ 700 at 4%, and $ 600 at 3%.

Step-by-step explanation:

Given that Elena receives $ 131 per year in simple interest from three investments totaling $ 3000, and part is invested at 3%, part at 4% and part at 5%, and there is $ 1000 more invested at 5% than at 4%, to find the amount invested at each rate, the following calculations must be performed:

1500 x 0.05 + 500 x 0.04 + 1000 x 0.03 = 75 + 20 + 30 = 125

1600 x 0.05 + 600 x 0.04 + 800 x 0.03 = 80 + 24 + 24 = 128

1700 x 0.05 + 700 x 0.04 + 600 x 0.03 = 85 + 28 + 18 = 131

Therefore, Elena invested $ 1,700 at 5%, $ 700 at 4%, and $ 600 at 3%

7 0
3 years ago
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