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Harman [31]
3 years ago
15

What is the correct way to write 9 x 9 x 9 in exponential form?

Mathematics
2 answers:
shutvik [7]3 years ago
7 0
Option “C” would be the correct answer. Option “A” means 3x3x3x3x3x3x3x3x3
Option “B” means 1x1x1x1x1x1x1x1
Option “D” means 8x8
Harlamova29_29 [7]3 years ago
5 0

Hey!

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Solution:

Put all the answer choices into expanded form.

3^9 = 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3

1^8 = 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1

9^3 = 9 x 9 x 9

8^1 = 8

----------------------------------------------

Answer:

We can see that the only way to write to write 9 x 9 x 9 in exponential form is c) 9^3

----------------------------------------------

Hope This Helped! Good Luck!

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CaHeK987 [17]
12/5 is sequences that’s the answer
6 0
3 years ago
A pond had an initial population of 120 fish. The number of fish is exponentially decreasing by one-fourth each year. If y repre
Kruka [31]
<span>1) Number of fish in the pond: y
Number of years: x

</span>A pond had an initial population of 120 fish. Then when x=0, y=120. The graph must begin at point (x,y)=(0,120). Only the graph above at right and below at left begin in this point (0,120).

<span>The number of fish is exponentially decreasing by one-fourth each year. Then the first year the number of fish must decrease 120*(1/4)=120/4=30, and the number of fish after the first year must be:
</span>120-30=90=120(1-1/4)=120(4-1)/4=120(3/4). Then when x=1, y=90. The point is (x,y)=(1,90)
In the graph above at right when x=1, y is between 24 and 36. y=90 is not in this interval. then this graph is not the correct.
In the graph below at left when x=1, y is between 84 and 96. y=90 is in this inverval. Then this is the correct graph.

Answer: T<span>he graph of the solution set for this situation is the graph below at left.

2) The equation has the form:
y=y0(r)^x
Where y0 is the initial population and r is the rate of reduction. In this case:
y0=120 and
r=1-1/4=(4-1)/4→r=3/4
Then the equation modeled by the graph is:
y=120(3/4)^x

Answer: The equation modeled by the graph is that above at right:
y=120(3/4)^x</span>
7 0
4 years ago
....sigh....<br> Shout out to Taater for being helpful in times of need :3
Ne4ueva [31]

Answer:

Taater is a good friend of mine.

Step-by-step explanation:

The answer would be the third option, hope I'm just as helpful in times of need if its possible to subtract those then it's 100% the first option. Sorry don't exactly know this, so I'm at least trying to help.

3 0
3 years ago
The equations of four lines are given. Identify which lines are perpendicular.
Maksim231197 [3]

Answer:

lines 1 and 3

Step-by-step explanation:

y = 2 is a horizontal line parallel to the x- axis

x = - 4 is a vertical line parallel to the y- axis

Then these 2 lines are perpendicular to each other

y = 15x - 3 ( in the form y = mx + c ) with m = 15

y + 1 = - 5(x + 2) ( in the form y - b = m(x - a) with m = - 5

For the lines to be perpendicular the product of their slopes = - 1

However

15 × - 5 = - 75 ≠ - 1

The 2 lines 1 and 3 are perpendicular

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3 years ago
Use the function f(x) to answer the questions: f(x) = 2x^2 − x − 10
Reptile [31]
1/2 Pi.2R no thank you
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Read 2 more answers
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