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Alexus [3.1K]
3 years ago
15

Hcf and lcm of 54,18,90

Mathematics
1 answer:
Inessa05 [86]3 years ago
8 0
HCF is 6

That should be your answer

Prayers xx
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Will give brainliest, like 5 stars, comment and 5 points
alexgriva [62]

Answer:

3,500=3.5

500=0.5

75=0.075

1=0.001

x=x÷1000

5 0
3 years ago
Simplify the expression: (4 − 7i) + (1 − 2i).<br><br> 3 − 9i<br> 3 − 5i<br> 5 − 9i<br> 5 − 5i
motikmotik

Answer:

5-9i

Step-by-step explanation:

If you add the 4 and 1 you get 5, and if you add -7i and -2i since they are both negative, they stay negative, so you get -9i.  So the answer is 5-9i.

6 0
3 years ago
Kevin is 3 years older than brendon two years ago Kevin was 4 times as old as brendon . How old is Kevin now
Tpy6a [65]

Answer:

  Kevin is 6

Step-by-step explanation:

Let k represent Kevin's age now. Then Brendon's age now is (k-3). Two years ago the relationship of their ages was ...

  k-2 = 4((k-3) -2)

  k -2 = 4k -20 . . . . . eliminate parentheses, collect terms

  3k = 18 . . . . . . . . . . add 20-k

  k = 6 . . . . . . . . . . . . divide by 3

Kevin is 6 now.

4 0
3 years ago
Determine the value for AB
grin007 [14]

Answer:

x = 2

AB = 14

Step-by-step explanation:

2x(10) = 8(x+3)

20x = 8x + 24

subtract 8x from both sides

12x = 24

x = 2

Check:

4(10) = 8(5)

40 = 40

Correct

2x = 2 x 2 = 4

4 + 10 = 14

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

5 0
2 years ago
Read 2 more answers
Carly said that 0.8÷10=0.04. Is she correct? Explain how you know.
faust18 [17]

Answer:

To divide 0.8 divided by 20 she needs to annex a 0 in the hundredths place. So, the quotient is 0.04, and Carly is correct

3 0
3 years ago
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