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4 years ago

Please answer this multiple choice question CORRECTLY for 30 points and brainliest!!

Mathematics

1 answer:

inessss [21]4 years ago

7 0

Answer:

the answer is D because you are supposed to multiply the exponents giving you D. 3^6 x 2^3

Step-by-step explanation:

(3^2 x 2)^3

3^(2x3=6 ) x 2^(1x3=3)

3^6 x 2^3

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At thw movies,Aaron buys popcorn for $5.25 and a bottle of water for $2.50. He pays with a $10 dollar bill. How much change shou

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Answer:

5.25 + 2.50 = 7.75. 10 - 7.75 =2.25

Step-by-step explanation:

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4 years ago

Read 2 more answers

Select the correct expressions.

vlabodo [156]

Answer:

9x -9

9(x - 1)

4(3x-3) - 3x + 3

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3 years ago

Here is a table of values y=f(x).

Mariulka [41]

A. False. The range of $f(x)$ is the set of values it can produce. In the table, $f(x)$ produces values from $0$ to $3$ . However, the range of all real numbers is all rational numbers, basically from $-\infty$ to $\infty$ , not just a few numbers in-between. So, the range of $f(x)$ is not all real numbers.

B. True. Looking at the table, when $x=-3$ , $f(x)=2$ . This is another way of saying that $f(-3)=2$ , which is what B is saying.

C. True. The domain of $f(x)$ is the set of values of $x$ that produce some output in $f(x)$ . Looking at the table, all of the $x$ values listed on it are in the set $\{-5, -3, 0, 2, 6, 7, 9, 10, 13\}$ , which is what C is saying.

D. False. Looking at the table, when $x=0$ , $f(x)=3$ . This is another way of saying that $f(0)=3$ , which is not what B is saying.

4 0

4 years ago

Peter decided to buy a new car. He made a $2,160 down payment and then took a 48-month loan. The total amount for the car, plus

Sedbober [7]

16,560÷48=345
....................

8 0

3 years ago

In a random sample of 26 residents of the state of Montana, the mean waste recycled per person per day was 2.8 pounds with a sta

Rainbow [258]

Answer:

The critical value that should be used in constructing the confidence interval is T = 1.316.

The 80% confidence interval for the mean waste recycled per person per day for the population of Montana is between 2.741 pounds and 2.859 pounds.

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 26 - 1 = 25

80% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 25 degrees of freedom(y-axis) and a confidence level of $1 - \frac{1 - 0.8}{2} = 0.9$ . So we have T = 1.316

The critical value that should be used in constructing the confidence interval is T = 1.316.

The margin of error is:

$M = T\frac{s}{\sqrt{n}} = 1.316\frac{0.23}{\sqrt{26}} = 0.059$

In which s is the standard deviation of the sample and n is the size of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 2.8 - 0.059 = 2.741 pounds

The upper end of the interval is the sample mean added to M. So it is 2.8 + 0.059 = 2.859 pounds.

The 80% confidence interval for the mean waste recycled per person per day for the population of Montana is between 2.741 pounds and 2.859 pounds.

4 0

3 years ago