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3 years ago

(2/3)^3(1/5•2/3)^-3(1/5)^4 PLS HELP

Mathematics

1 answer:

Gnom [1K]3 years ago

4 0

Answer:

1/5

Step-by-step explanation:

You have to do whats in the parentheses first then you start doing to exponets from left to right then you would multiply then you would get your answer 1/5.

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Please help me and we should use laws of exponents

elena55 [62]

Answer:

3.b

$(\frac{8}{3})^{2x+1} *(\frac{8}{3})^{5} =(\frac{8}{3}) ^{x+2}\\\\(\frac{8}{3})^{2x+1 +5} =(\frac{8}{3}) ^{x+2}\\\\\\2x +6 = x+2\\x = -4$

i hope question 3.a. is 5^x ÷ 5^-3 = 5^5

3.a.

$\frac{5^x}{5^{-3}} = 5^5\\\\5^ {x+3} = 5^5\\\\x+3 = 5\\x =2$

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2 years ago

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levacccp [35]

Answer:

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Step-by-step explanation:

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2 years ago

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BigorU [14]

Answer:

C. (4,28)

Step-by-step explanation:

When y = 8x - 4 ; x = 4

when u substitute x in the equation

the value of y = 28

y = (8 x 4) - 4

= 32 - 4

= 28.

As coordinates it would be (x,y) = ( 4,28 )

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2 years ago

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Write 1/4x-3/4y=-1 in standard form work out need asap please

Zepler [3.9K]

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Why is angle h congruent to angle k

hammer [34]

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2 years ago