2 years ago

Please answer this friends.

Mathematics

1 answer:

juin [17]2 years ago

4 0

Answer:

see explanation

Step-by-step explanation:

To express a proper fraction in decimal form.

Divide the numerator by the denominator, that is

22 ÷ 7 ≈ 3.1429 ( to 4 decimal places )

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Tom has a part-time job. On Wednesday, Tom earned $20.50, and on Thursday he earned $36.21. On Friday, Tom earned twice as much

zvonat [6]

20.50+36.21=56.57
Twice can be said as x2 so
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Leaving 56.57 and 41
56.67+41=91.67

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2 years ago

Simplified product ?

mel-nik [20]

Answer:

Last choice is correct.

Step-by-step explanation:

$\left(\sqrt{10x^4}-x\sqrt{5x^2}\right)\left(2\sqrt{15x^4}+\sqrt{3x^3}\right)$

$\left(x^2\sqrt{10}-x\cdot x\sqrt{5}\right)\left(2\cdot x^2\sqrt{15}+x\sqrt{3x}\right)$

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$x^2\sqrt{10}\left(2x^2\sqrt{15}+x\sqrt{3x}\right)-x^2\sqrt{5}\left(2x^2\sqrt{15}+x\sqrt{3x}\right)$

$2x^4\sqrt{150}+x^3\sqrt{30x}-2\sqrt{75}x^4-x^3\sqrt{15x}$

$2x^4\cdot5\sqrt{6}+x^3\sqrt{30x}-2\cdot5\sqrt{3}x^4-x^3\sqrt{15x}$

$10x^4\sqrt{6}+x^3\sqrt{30x}-10\sqrt{3}x^4-x^3\sqrt{15x}$

$10x^4\sqrt{6}+x^3\sqrt{30x}-10x^4\sqrt{3}-x^3\sqrt{15x}$

Hence final answer is $10x^4\sqrt{6}+x^3\sqrt{30x}-10x^4\sqrt{3}-x^3\sqrt{15x}$

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3 years ago

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Please answer this friends.​

Please answer this friends.