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3 years ago

Please help me with this

Mathematics

1 answer:

strojnjashka [21]3 years ago

7 0

Answer:

It's in the second quadrant and it's at -3, 4

Step-by-step explanation:

It's asking for the X value of Negative 3 and Y value of Positive 4

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Three numbers are in the ratio 2:3:5. If the sum of their cubes is 1280.Find the three numbers.

Charra [1.4K]

Answer:256,384,640

Step-by-step explanation:

Take the ration sum 2x+3x+5x=1280

When we add we get 10x=1280

Then find x by. x=1280/10=128

Then substitute this x value to the ratios 2x=2*128 =256

3x=3*128=384

5x=5*128=640

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4 years ago

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3 years ago

Choose the graph of 3x + y = –2

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3 years ago

What is. Log3(x+2)-log3 5

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Step-by-step explanation:

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4 years ago

What is log(z^4/5) written in expanded form?

Ostrovityanka [42]

To get answer:

$\mathrm{Apply\:log\:rule}:\quad \log _c\left(\frac{a}{b}\right)=\log _c\left(a\right)-\log _c\left(b\right)\\\log _{10}\left(\frac{z^4}{5}\right)=\log _{10}\left(z^4\right)-\log _{10}\left(5\right)\\=\log _{10}\left(z^4\right)-\log _{10}\left(5\right)\\\mathrm{Simplify}\:\log _{10}\left(z^4\right)\\\log _{10}\left(z^4\right)\\\mathrm{Apply\:log\:rule\:}\log _a\left(x^b\right)=b\cdot \log _a\left(x\right),\:\quad \mathrm{\:assuming\:}x\:\ge \:0\\=4\log _{10}\left(z\right)\\$

Answer: $4\log _{10}\left(z\right)-\log _{10}\left(5\right)$

Answer: 4logz−log5

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3 years ago