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Naddik [55]
3 years ago
6

Could someone help me with this math problem?

Mathematics
2 answers:
Ronch [10]3 years ago
8 0

Answer:

729

Step-by-step explanation:

1/3^-2×3^-4×(-1)^2

=3^2×3^4/1

=9×81

=729

Gekata [30.6K]3 years ago
8 0

For this case we have the following expression:

\frac {1} {3^ {- 2} * x^{ - 4} * y ^ 2}

We must evaluate the expression to:

x = 3\\y = -1

So:

\frac {1} {3^{- 2} * 3^{ - 4} * (- 1) ^ 2} =

\frac {1} {\frac {1} {3 ^ 2} * \frac {1} {3 ^ 4} * 1} =\\\frac {1} {\frac {1} {3 ^ 2} * \frac {1} {3 ^ 4}} =\\\frac {1} {\frac {1} {9} * \frac {1} {81}} =\\\frac {1} {\frac {1} {729}} =\\\frac {729} {1} =\\729

Answer:

Option B

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Sonbull [250]

Answer:

This is an geometric sequence because the common ratio is -2.

Step-by-step explanation:

-2*-2=4

4*-2=-8

-8*-2=16

So, as we are seeing that the common ratio is -2, so this is an geometric sequence.

6 0
3 years ago
Vanessa earns a base salary of $400 every week with an additional 5% commission on everything she sells. Vanessa sold $1850 wort
lys-0071 [83]

Answer:

$492.50

Step-by-step explanation:

To start off, we already know that Vanessa makes at least $400 every week. What we don't know is how much Vanessa makes from her 5% commission on what she sells.

To solve for that, we need to find what 5% of $1,850 is. This can be done by multiplying $1,850 by 5%. Remember, we need to change 5% into its decimal form (5% -> \frac{5}{100} -> 0.05).

$1,850 x 0.05 = $92.5

This means that Vanessa made $92.5 off of commissions last week. The last step is to add her base salary of $400 to her commission sales and we get our final answer.

$400 + $92.5 = $492.50

Vanessa's total pay last week was $492.50

6 0
3 years ago
Determine whether the following relation represents a function. If it is a function, state the do
7nadin3 [17]

Answer:

Yes, I cannot tell what it wants you to state if it is though.

Step-by-step explanation:

I am assuming you are familiar with coordinates representing x and y coordinates so (x,y).  If this is unfamiliar let me know.

For a function, there cannot be a repeat of xs unless every one goes to the same y.  So for instance if (3,4)(3,5) were in the list this would not be a function because 3 is used twice but goes to a different number each time.

If the list had (3,4) twice so (3,4)(3,4), that could still be a function.

In your list There are no repeating xs, so you don't even need to check.  It is a function.

6 0
4 years ago
1,092 inches to yards
saveliy_v [14]

Answer:

Step-by-step explanation:

It would be 30.33 repeating.

7 0
3 years ago
Read 2 more answers
Help please with my "science" hw everything relates to math ugh
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3. 1350.0 mm * (1 m)/(1000 mm) = 1.35 m

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5 0
4 years ago
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