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galina1969 [7]
3 years ago
13

Help please if anybody knows this help!!

Mathematics
1 answer:
slega [8]3 years ago
8 0

Answer:

A and D

Step-by-step explanation:

A rounds to 0.2

D rounds to 5.26

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Write the given trinomial if possible as a square of a binomial or as an expression opposite to a square of a binomial: 15ab-9a^
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Answer:

- \bigg(3a -  \frac{5}{2} b) \bigg)^{2}

Step-by-step explanation:

15ab-9a^2-6  \frac{1}{4} b^2 \\  \\  = 15ab-(3a)^2-\frac{6 \times 4 + 1}{4} b^2 \\  \\ = 15ab-(3a)^2-\frac{24+ 1}{4} b^2 \\  \\ = 15ab-(3a)^2-\frac{25}{4} b^2 \\  \\   = 15ab- (3a)^2- \bigg(\frac{5}{2} b \bigg)^2  \\  \\ =  -  \{ - 15ab + (3a)^2 +  \bigg(\frac{5}{2} b \bigg)^2  \} \\  \\ =  -  \{ (3a)^2 +  \bigg(\frac{5}{2} b \bigg)^2 - 15ab  \} \\  \\  =   - \bigg(3a -  \frac{5}{2} b \bigg)^{2}

3 0
2 years ago
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Answer:

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krok68 [10]

To solve the inequality, you need to isolate/get x by itself:

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Answer:

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Step-by-step explanation:

6 0
3 years ago
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Artyom0805 [142]
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