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Fynjy0 [20]
3 years ago
8

-2(4a+4b)+5a>-35 Solve the inequality

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
5 0

Step-by-step explanation:

-2 (4a + 4b) + 5a > -35

-8a -8b + 5a > -35

-3a -8b > -35

for a

-3a > -35 + 8b

a < -35 + 8b ÷ -3

a < 35 - 8b ÷ 3

for b

-3a - 8b > -35

-8b > -35 + 3a

b < -35 + 3a ÷ -8

b < 35 - 3a ÷ 8

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Simplify the expression 3x + 4
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Answer:

it is already simplified

Step-by-step explanation:

3x + 4 is simplified already

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2 years ago
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3 years ago
Find S5 for a geometric series for which a1=81 and r=1/9.
Minchanka [31]

ANSWER

S_5=91\frac{10}{81}




EXPLANATION


The sum of the first n terms of a geometric sequence is given by;


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When n=5, we have a_1=81, we get;


S_5=\frac{81(1-(\frac{1}{9})^5)}{1-\frac{1}{9}}


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5 0
2 years ago
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