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Alja [10]
3 years ago
15

(9mn-19^4n) - (8m^2+12m^4n+9mn

Mathematics
1 answer:
Alja [10]3 years ago
6 0

Answer:

-19n^4 - 8m^2 - 12m^4n

Step-by-step explanation:

8m^2 + 12m^4n + 9mn

-

19n^4 9mn

------------------------------------------------------------------------

-19n^4 - 8m^2 - 12m^4n

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17 students per teacher, 9 students per tutor. You need 10 tutors if the school had 90 students.

Step-by-step explanation:

51 students divided by 3 teachers = 17 students per teacher.

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6 0
3 years ago
In the figure if angleACB = angleCDA, AC = 8 cm and AD= 3 cm, then BD is<br>​
tatiyna

Answer:

AC = 8 cm,

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From figure,

∠CDA = 90°

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∠BDC = ∠AD [each 90°]

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Then,

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2 years ago
Find the whole. 10% of is 14.
Aleonysh [2.5K]
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