3 years ago

Which expression represents"divide the sum of x and 2 by 4"?

Mathematics

1 answer:

labwork [276]3 years ago

3 0

Answer:

Step-by-step explanation:

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I need some help with binomial theorems. can anyone help solve this?

Svetlanka [38]

Use Pascal's Triangle

1
1 1
1 2 1
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So, the seventh term of (3x + 2y)^9 will be 84xy

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Leviafan [203]

42.88. You might want to wait for another answer jyst to be 100% sure:)

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3 years ago

Is 6^-2 positive or negative? Explain.

Gnoma [55]

Answer:

It's positive when you have 6^-2 it's the same as having $(\frac{1}{6})^{2} \\$ . So 6^-2 it's 1/36.

Step-by-step explanation:

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3 years ago

Simplify the radical expression 5√7+2√175

yanalaym [24]

$5\sqrt{7} + 2\sqrt{175}=5\sqrt{7}+2\sqrt{25 \cdot 7}=5\sqrt{7}+ 2 \cdot \sqrt{25} \cdot \sqrt{7}= \\ \\ = 5\sqrt{7}+2 \cdot 5 \cdot \sqrt{7}=5\sqrt{7}+10\sqrt{7}=\boxed{15\sqrt{7}} \approx 39.69$

remember about formula $\sqrt{ab} = \sqrt{a} \cdot \sqrt{b}$

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3 years ago