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nika2105 [10]
3 years ago
5

Simplify by combining like terms x^2+2x+15-x-25

Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
7 0
X^2+x-10

does it help??
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81a^2x+9a^2y-90bx-10by
Alja [10]
1. Factor out 9a^2 from the expression
9a^2 x(9x+y) - 90bx - 10by

2. Factor out -10b from the expression
9a^2 x(9x+y) - 10b x(9x+y)

3. Factor out 9x + y from the expression
(9x+y)x(9a^2 - 10b)

Solution: (9x+y)x(9a^2 - 10b)
6 0
3 years ago
|4.2 – 6.8| + (2.4 + 7.2) A. 11 B. 12.2 C. 20.6 D. 22
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3 years ago
Are these ratios equivalent? 16:14 and 64:60.
Len [333]
No, I don’t think so
8 0
3 years ago
Susan has 540 marbles to put into gift bags. She can place 15 marbles in each bag. How many bags cans she fill?
jarptica [38.1K]

Answer:

36

Step-by-step explanation:

540 divided by 15 equals 36 you're welcome

3 0
3 years ago
Read 2 more answers
I don't know what this equals??​
iren [92.7K]

Answer:

A decagon has 10 sides so its interior angles add up to 180(10) - 360 = 1440 degrees. Therefore, on average, each interior angle is 144 degrees and each exterior angle is 36 degrees. The sum of the exterior angles is 10 x 36 = 360 degrees.

Step-by-step explanation:

The total sum of the interior angles of a simple decagon is 1440°

5 0
3 years ago
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