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lozanna [386]
3 years ago
9

Factorise: 4x squared - 9y squared

Mathematics
1 answer:
kicyunya [14]3 years ago
4 0
Here is your great answer Simplifying
4x2y + 12xy2 + 9y3

Reorder the terms:
12xy2 + 4x2y + 9y3

Factor out the Greatest Common Factor (GCF), 'y'.
y(12xy + 4x2 + 9y2)

Factor a trinomial.
y((2x + 3y)(2x + 3y))

Final result:
y(2x + 3y)(2x + 3y)
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4 years ago
The smallest value in a data set is the _______________.
BaLLatris [955]

The smallest value in a data set is the A. minimum.

Maximum is the largest value.

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6 0
3 years ago
How many positive integers leave a remainder of 11 when divided into 1000​
Dafna1 [17]

Step-by-step explanation:

The number of positive integers divisible by 7 but not by 11 is 142 - 12 = 130. ==>the number of positive integers less than 1000 that are divisible by either 7 or 11 is 142 + 90 - 12 = 220. ==>the number of positive integers less than 1000 that are divisible by exactly by one of 7 and 11 is 220 - 12 = 208.

8 0
3 years ago
[6] Jessica sold one third of her records and then bought 84 more. She now has 178 records. How many records did Jessica begin w
tia_tia [17]

Answer:

  • 141 records

Step-by-step explanation:

Let the initial number be x

<u>Sold 1/3x, and now has:</u>

  • x - 1/3x = 2/3x

<u>Bought 84 more and now got 178:</u>

  • 2/3x + 84 = 178
  • 2/3x = 94
  • x = 94 ÷ 2/3
  • x = 94 × 3/2
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Jessica had 141 records initially

7 0
3 years ago
Sophia uses 18 beads to make a necklace. One sixth of the beads are purple. How many beads are purple?
meriva
3 of the beads are purple.
4 0
3 years ago
Read 2 more answers
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