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velikii [3]
3 years ago
10

Perfect square trinomial:

Mathematics
1 answer:
Alina [70]3 years ago
6 0

Answer:

See work below.

Step-by-step explanation:

(k-9)^2=(k-9)(k-9)\\=k^2-2(k)(9)+9^2\\=k^2-18k+81

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Least common multiple of 3,18,and 9
wariber [46]

Answer:

18

Step-by-step explanation:

Lets factor each of them:

3:1,3

18:2*3^2

9:3^2

every factor is in 18:2,3,3...

Therefore the answer is 18.

8 0
3 years ago
What is the answer to: -32/40 - 35/40
Mademuasel [1]

Answer:

To subtract fractions, find the LCD and then combine.

Exact Form:

− 67/40

Decimal Form:

− 1.675

Mixed Number Form:

− 1 27/40

Step-by-step explanation:

Please give the brainliest.

6 0
2 years ago
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What is the Gcf of 6x^3?
lina2011 [118]

Answer:  6x^3 is the greatest common factor of 12x^7 and 18x^3.

Step-by-step explanation:

5 0
3 years ago
Tim is running a distance of 30 city blocks. Each block is the same length. It took him 6 minutes to run 10 blocks. At the same
mestny [16]

10 blocks = 6 min

30 blocks = 18 min

You can answer this because you know that 10 x 3 is 30, so if if the number of blocks tripled then the amount of time should triple as well because he's running at the same rate.

8 0
3 years ago
Read 2 more answers
Does Maria have enough money for all three items? Explain.
miskamm [114]

Answer:

Yes, the art supplies cost $29.73, and I believe she has what looks on the picture to be $57

Step-by-step explanation:

5 0
3 years ago
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