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elena55 [62]
3 years ago
7

Which expression is equivalent to 12 times 12 times 12 times 12 times 12 times 12 times 12 times 12 times 12 times 12 times 12?

10 Superscript 12 11 Superscript 12 12 Superscript 10 12 Superscript 11
Mathematics
2 answers:
svet-max [94.6K]3 years ago
8 1

Answer:

12^{11}

Step-by-step explanation:

Count the number of factors of 12. The number is 11. There are 11 factors of 12, so the base is 12, and the exponent is 11.

Answer: 12^{11}

Ratling [72]3 years ago
6 0

Answer:

12¹¹

Step-by-step explanation:

12 × 12 × 12 × 12 × 12 × 12 × 12 × 12 × 12 × 12 × 12

12 is being multiplied by itself 11 times.

= 12¹¹

= 743008370688

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A researcher is interested in estimating the average salary of police officers in a large city. She wants to be 95% sure that he
inn [45]

Answer:

The sample size is 183.

Step-by-step explanation:

Given:

σ = $1050, ppulatin standard deviation

99% confidence interval

Accuracy = +/- $200

The accuracy is given by

z*(σ/√n)

where

z* = 2.576 for 99% confidence level (from tables)

n = sample size

Therefore

2.576(1050/√n) = 200

√n = (2.576*1050)/200 = 13.524

n = 182.9

<em>The sample size is 183</em>

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6 0
3 years ago
PLEASE HELP...AGAIN this is due tomorrow and it's late at noon..
dimaraw [331]
What do you need help with and what subject
4 0
3 years ago
Doreen lives 3/4 mile from the library. Sheila lives 1/3 AS FAR AWAY FROM THE LIBRARY AS DOREEN.
alexdok [17]
What's the question that needs to be solved and I will help?
3 0
3 years ago
Which systems of equations intersect at point A in this graph?
abruzzese [7]

Answer:

The point of intersection of the system of equations is:

(x, y) =  (-2, 1)

The correct system of equations intersect at point A in this graph will be:

\begin{bmatrix}y=4x+9\\ y=-3x-5\end{bmatrix}

Thus, the second option is correct.

Step-by-step explanation:

Given the point

  • A (-2, 1)

Let us check the system of equations to determine whether it intersect at point A in this graph.

Given the system of equations

\begin{bmatrix}y=4x+9\\ y=-3x-5\end{bmatrix}

Arrange equation variable for elimination

\begin{bmatrix}y-4x=9\\ y+3x=-5\end{bmatrix}

so

y+3x=-5

-

\underline{y-4x=9}

7x=-14

so the system of equations becomes

\begin{bmatrix}y-4x=9\\ 7x=-14\end{bmatrix}

Solve 7x = -14 for x

7x=-14

Divide both sides by 7

\frac{7x}{7}=\frac{-14}{7}

Simplify

x = -2

For y - 4x = 9 plug in x = 2

y-4\left(-2\right)=9

y+4\cdot \:2=9

y+8=9

Subtract 8 from both sides

y+8-8=9-8

Simplify

y = 1

Thus, the solution to the system of equations is:

(x, y) = (-2, 1)

From the attached graph, it is also clear that the system of equations intersects at point x = -2, and y = 1.

In other words, the point of intersection of the system of equations is:

(x, y) =  (-2, 1)

Therefore, the correct system of equations intersect at point A in this graph will be:

\begin{bmatrix}y=4x+9\\ y=-3x-5\end{bmatrix}

Thus, the second option is correct.

3 0
2 years ago
LaSanda bought 20 shares of stock for $175. She sold the stock for a total profit of $25. What was the selling price of each sha
podryga [215]
So if she bought 20 share of stock for $175 that means that she paid $8.75 for each stock so if she made $25 you add then you divide

175÷20 = $8.75
175+$25=$200 she sold them for
$200 ÷ 20= $10
4 0
2 years ago
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