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malfutka [58]
3 years ago
8

I need help with this!

Mathematics
1 answer:
Liula [17]3 years ago
8 0

Answer:

B

Step-by-step explanation:

The slope is -1, which equals m= -1.

The answer is B.

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27^{3x}=(1/9)^x<br> write in b^x=b^y form
iogann1982 [59]

Answer:

3^9x=3^-2x

Step-by-step explanation:

27^3x=(1/9)^x

3^3×3x=(1/3^2)^x

3^9x=3^-2x

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The first term of a geometric sequence is 32, and the 5th term of the sequence is 818 .
sammy [17]

Answer:

32,24,18,\frac{27}{2} ,\frac{81}{8}

Step-by-step explanation:

Let x, y , and z be the numbers.

Then the geometric sequence is 32,x,y,z,\frac{81}{8}

Recall that  term of a geometric sequence  are generally in the form:

a,ar,ar^2,ar^3,ar^4

This implies that:

a=32 and ar^4=\frac{81}{8}

Substitute a=32 and solve for r.

32r^3=\frac{81}{8}

r^4=\frac{81}{256}

Take the fourth root to get:

r=\sqrt[4]{\frac{81}{256} }

r=\frac{3}{4}

Therefore x=32*\frac{3}{4} =24

y=24*\frac{3}{4} =18

z=18*\frac{3}{4} =\frac{27}{2}

8 0
2 years ago
Mouthwash costs $5.00 before tax and $5.30 after tax. what is the percentage of the tax
irinina [24]
6%(5) = .30  6%

...........................................
3 0
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Read 2 more answers
PLZ HELP QUICK WILL MARK BRAINLIEST
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