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8090 [49]
3 years ago
8

Factor completely.

Mathematics
1 answer:
Svetllana [295]3 years ago
6 0
To help explain how you get A for the answer:
work backwards
5(3a²+11a-4)
multiply everything by 5
5×3a²=15a²
5×11a=55a
5×-4=-20
15a²+55a-20
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On a test, Shoshana got 65% or 23.4 of the items correct? How many items were on the test?
Marizza181 [45]
65 % ------------------ 23.4 items
100 % ----------------- x items
65 : 100 = 23.4  : x
65 x = 100 * 23.4
65 x = 2340
x = 2340 : 65
x = 36
Answer: there were 36 items on the test.
6 0
3 years ago
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Answer:

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