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3 years ago

Heyyyyyyyyyyyy! How was your dayyyyy? :)

Mathematics

2 answers:

slava [35]3 years ago

8 0

Answer:

Hello!

My day is/was great. How's your day?

Hope you have a great day!

Ksenya-84 [330]3 years ago

4 0

Answer:

good and you

Step-by-step explanation:

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Use the distributive property to write the following expression without parentheses.

I am Lyosha [343]

Answer:

-12x+12y

Step-by-step explanation:

$-\dfrac{3}{5}(20x-20y)=\\\\-\dfrac{3}{5}(20x)+-\dfrac{3}{5}(-20y)=\\\\-12x+12y$

Hope this helps!

4 0

3 years ago

Read 2 more answers

If a=2b^3 and b= -1/2c ^-2,express a in terms of c.

ElenaW [278]

Answer:

Part 1) $a=-\frac{1}{4c^6}$

Part 2) $a=-\frac{1}{4c^{-6}}$

Step-by-step explanation:

Part 1) we have

$a=2b^{3}$ ----> equation A

$b=-\frac{1}{2}c^{-2}$ ----> equation B

substitute equation B in equation A

$a=2(-\frac{1}{2}c^{-2})^{3}$

Applying property of exponents

$(x^{m})^{n}=x^{m*n}$

$x^{-m} =\frac{1}{x^{m}}$

$a=2(-\frac{1}{2}c^{-2})^{3}=2(-\frac{1}{2})^3(c^{-2})^{3}=2(-\frac{1}{8})(c^{-6})=-\frac{1}{4c^6}$

therefore

$a=-\frac{1}{4c^6}$

Part 2) we have

$a=2b^{3}$ ----> equation A

$b=-\frac{1}{2c^{-2}}=-\frac{c^{2}}{2}$ ----> equation B

substitute equation B in equation A

$a=2(-\frac{c^{2}}{2})^{3}$

Applying property of exponents

$(x^{m})^{n}=x^{m*n}$

$x^{-m} =\frac{1}{x^{m}}$

$a=2(-\frac{c^{2}}{2})^{3}=2(-\frac{c^{6}}{8})$

simplify

$a=-\frac{c^{6}}{4}$

therefore

$a=-\frac{1}{4c^{-6}}$

6 0

3 years ago

What is 9147392 the Rounded nearest thousand

Yuliya22 [10]

Answer: 9,147,000

Step-by-step explanation:

6 0

3 years ago

Mathematics I don t understand please help

Fed [463]

Answer:

1. y=3x-2 -> x= (y+2)/3

Step-by-step explanation:

You simply sub-in the m and b, then "reverse" the problem by doing the steps to get from the 2nd, to the first.

3 0

3 years ago

Read 2 more answers

I'm really lost?? help please<br>

BartSMP [9]

If u are lost then go to police and ask for help

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3 years ago