4 years ago

4. Expand and simplify the following surds:1. (7+2√3)(7-2√3)

1 answer:

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vova2212 [387]

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3 years ago

What is the common ratio for this geometric sequence 3,12,48,192,... A 16 B. 3 C. 4 D. 9

hram777 [196]

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Step-by-step explanation:

The common ratio is found by taking the second term and dividing by the first term

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3 years ago

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3 years ago

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Elena-2011 [213]

5x + 2(x + 1) ≤ 23

Distribute the 2.

5x + 2x + 2 ≤ 23

Combine like terms.

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Subtract 2 from both sides.

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3 years ago

4. Expand and simplify the following surds:1. (7+2√3)(7-2√3)​

4. Expand and simplify the following surds:1. (7+2√3)(7-2√3)