3 years ago

Suppose 81^x = 64.What is 27^x+1?

Mathematics

1 answer:

Genrish500 [490]3 years ago

4 0

What does the <span>^ mean? I feel so stupid</span>

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What is the definition of a function?

bixtya [17]

Answer:

B. A one-to-one relation between x and y

Step-by-step explanation:

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4 years ago

4(x+x+7)-2x+7-4 by substituting x=1 and x=2

yuradex [85]

4(x+x+7) x=1
4(1+1+7)
4+4+28 = 36

(-2x+7-4) x=2
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3 years ago

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True [87]

Answer:

it is 36 inches

Step-by-step explanation:

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4 years ago

Last question on the first Khan assignment!

nikklg [1K]

Answer:

x=6

Step-by-step explanation:

(×+54)+5×=90

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2 years ago

A gardener has a rose garden that measures 30 feet by 20 feet. He wants to put a uniform border of pine bark around the outside

babunello [35]

Answer:

4x² +100x

Step-by-step explanation:

The total area of the garden plus the pine bark border is given by:

$A = (30+2x)*(20+2x) = 600+60x +40x +4x^2$

The area of the garden alone, without the border, is:

$A_G = 30*20=600$

Subtracting the total area by the area of the garden gives us the area of the border:

$A_B = A -A_G\\A_B= 600+100x+4x^2 - 600\\A_B = 4x^2 +100x$

The total area of the border is described by 4x² +100x.

7 0

3 years ago