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3 years ago

Simplify

Mathematics

1 answer:

ohaa [14]3 years ago

5 0

Is it (5^7)^2 × 5^3 ???

If so then

(5^7)^2 × 5^3

= 5^14 × 5^3

= 5^17

Answer

D.5 to the power of 17

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3 units

IrinaK [193]

Answer:

132 Sq. Units

Step-by-step explanation:

3 0

3 years ago

Determine what type of model best fits the given situation: An Internet phone company presently provides service to 5,000 custom

bagirrra123 [75]

Answer:

The best fit is A. Linear model

Step-by-step explanation:

Given:

Monthly Rate = $20, Number of customers = 5000

If there is a decrease of $1 in the monthly rate, the number of customers increase by 500.

To find:

The type of model that best fits the given situation?

Solution:

Monthly Rate = $20, Number of customers = 5000

Let us decrease the monthly rate by $1.

Monthly Rate = $20 - $1 = $19, Number of customers = 5000 + 500 = 5500

Let us decrease the monthly rate by $1 more.

Monthly Rate = $19 - $1 = $18, Number of customers = 5500 + 500 = 6000

Here, we can see that there is a linear change in the number of customers whenever there is decrease in the monthly rate.

We have 2 pair of values here,

x = 20, y = 5000

x = 19, y = 5500

Let us write the equation in slope intercept form:

$y =mx+c$

Slope of a function:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

$m=\dfrac{5500-5000}{19-20}\\\Rightarrow -500$

So, the equation is:

$y =-500x+c$

Putting x = 20, y = 5000:

$5000 =-500\times 20+c\\\Rightarrow c = 5000 +10000 = 15000$

$\Rightarrow \bold{y =-500x+15000}$

Let us check whether (18, 6000) satisfies it.

Putting x = 18:

$-500 \times 18 +15000 = -9000+15000 = 6000$ so, it is true.

So, the answer is:

The best fit is A. Linear model

6 0

4 years ago

If there are 5,200 registered voters are randomly sampled, which statements are true of a sample of 30 voters? Check all that ap

kondaur [170]

Answer:

The sample size is too small and will show a large variation.

The sample size is too small and can lead to false inferences.

A larger sample will give more reliable information.

Step-by-step explanation:

-In statistical sampling, sample size is of critical importance.

-A large sample size increases the accuracy of mean values as it eliminates or flattens out outliers.

-A large sample size also leads to a lower margin of error as the confidence level increases.

-The is greater precision when a larger sample size is used.

5 0

4 years ago

Read 2 more answers

What is the value of m in the equation zm = 16, when n = 8?

scoundrel [369]

Step-by-step explanation:

nm=16

m=16/n

m=16/8

m=2

7 0

3 years ago

I rep What is the solution of 4(2y + 1) = 2(y - 13) What is the answer

Novosadov [1.4K]

Answer:

- 5

Step-by-step explanation:

Step 1:

4 ( 2y + 1 ) = 2 ( y - 13 )

Step 2:

8y + 4 = 2y - 26

Step 3:

6y + 4 = - 26

Step 4:

6y = - 30

Answer:

y = - 5

Hope This Helps :)

3 0

3 years ago