3 years ago

What is the product? 2х(х – 4)

Mathematics

1 answer:

Otrada [13]3 years ago

3 0

2x2-8x (two x squared minus 8 x)

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How can I simplify these?

Schach [20]

Answer:

$\large\boxed{343=7\sqrt7}\\\boxed{10\sqrt{96}=40\sqrt6}$

Step-by-step explanation:

$343=7^3=7^2\cdot7\\\\\sqrt{343}=\sqrt{7^2\cdot7}\qquad\text{use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\=\sqrt{7^2}\cdot\sqrt7\qquad\text{use}\ \sqrt{a^2}=a\ \text{for}\ a\geq0\\\\=7\sqrt7\\=====================\\\\96=16\cdot6\\\\10\sqrt{96}=10\sqrt{16\cdot6}=10\sqrt{16}\cdot\sqrt6=(10)(4)\sqrt6=40\sqrt6$

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3 years ago

ANSWER CORRECTLY FOR BRAINLEST! (07.06) There are currently 3 students signed up for a trip. The van can transport only 7 studen

Flura [38]

Answer:

<u>Hey there the correct answer to this is Number line with open circle on 4 and shading to the right. </u>

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3 years ago

12 over 12 and blank over 20

erastova [34]

Answer:

12/12=20/20

Step-by-step explanation:

if the original question deals with fractions, then 12 over 12 is the same as 20 over 20 because they both reduce to 1

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3 years ago

Multiply. −(−9x4−5x2+2x +13) Express the answer in standard form. Enter your answer in the box.

VikaD [51]

Answer:

9x^4+5x^2-2x-13

Step-by-step explanation:

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3 years ago

Can I have workings out plz x

mixer [17]

Answer:

pretty sure the answer is 432 cm2 not sure im in a rush

Step-by-step explanation:

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2 years ago