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yulyashka [42]
3 years ago
13

Fast really need help

Mathematics
2 answers:
IgorLugansk [536]3 years ago
8 0

Answer:

3^6 i think

Step-by-step explanation:

yanalaym [24]3 years ago
4 0

Answer:

Step-by-step explanation:

7)3^{2}*3^{4}=3^{2+4}=3^{6}\\\\8)\frac{4^{10}}{4^{2}}=4^{10-2}=4^{8}\\\\9)4^{3}*4^{-6}=4^{3-6}=4^{-3}=\frac{1}{4^{3}}

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PLEASE Answer! I'll Give Brainliest And A Thanks For A GOOD Answer.
melisa1 [442]

Answer: Your welcome the answer is in the attached Image.

Step-by-step explanation: mark me brainliest.

5 0
2 years ago
Find the exponential function that passes through the points (2,80) and (5,5120)​
juin [17]

Answer:

  y = 5·4^x

Step-by-step explanation:

If you have two points, (x1, y1) and (x2, y2), whose relationship can be described by the exponential function ...

  y = a·b^x

you can find the values of 'a' and 'b' as follows.

Substitute the given points:

  y1 = a·b^(x1)

  y2 = a·b^(x1)

Divide the second equation by the first:

  y2/y1 = ((ab^(x2))/(ab^(x1)) = b^(x2 -x1)

Take the inverse power (root):

  (y2/y1)^(1/(x2 -x1) = b

Use this value of 'b' to find 'a'. Here, we have solved the first equation for 'a'.

  a = y1/(b^(x1))

In summary:

  • b = (y2/y1)^(1/(x2 -x1))
  • a = y1·b^(-x1)

__

For the problem at hand, (x1, y1) = (2, 80) and (x2, y2) = (5, 5120).

  b = (5120/80)^(1/(5-2)) = ∛64 = 4

  a = 80·4^(-2) = 80/16 = 5

The exponential function is ...

  y = 5·4^x

3 0
2 years ago
Dirk plants 12 seedlings in 8 min. At this rate, how many seedlings could he plant in 70 min?
Zigmanuir [339]
The answer to this question is B. 105
8 0
3 years ago
The value of homes sold in Hampton VA are normally distributed with a mean of $200,000 and a standard deviation of $10,000. If 1
LenKa [72]

Answer:

84%

Step-by-step explanation:

What we must do is calculate the z value for each value and thus find what percentage each represents and the subtraction would be the percentage between those two values.

We have that z is equal to:

z = (x - m) / (sd)

x is the value to evaluate, m the mean, sd the standard deviation

So for 190000 we have:

z = (190000 - 200000) / (10000)

z = -1

and this value represents 0.1587

for 230000 we have:

z = (230000 - 200000) / (10000)

z = 3

and this value represents 0.9987

we subtract:

0.9987 - 0.1587 = 0.84

Which means that it represents 84% of the houses

3 0
2 years ago
What are transformations?
Nuetrik [128]

Answer:

a transformation happen when the shape changes. There are four transformations

translation

rotation

reflection

dilation

translation, rotation and reflection do not change the shape or the size of the shape and are known as rigid motions

3 0
3 years ago
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