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Amiraneli [1.4K]
4 years ago
15

Factor the expression completely.

Mathematics
1 answer:
netineya [11]4 years ago
3 0

Answer:

C. 2(2x + 3)(2x - 3)

Step-by-step explanation:

8 {x}^{2}  - 18 \\  = 2 \times 4 {x}^{2}  - 2 \times 9 \\  = 2(4 {x}^{2}  - 9) \\  = 2 \{( {2x})^{2}  - ( {3)}^{2}  \} \\  = 2(2x + 3)(2x - 3) \\

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You have 3/4 of a pie leftover after your party. Each guest takes home 1/6 of the leftover pie.
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Ok I took it in steps the answer that is 100% more certain is 1/8. The fraction is 1/8 that they take home.
4 0
3 years ago
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Find the length of segment AB if A (4, 1) and B(1,3). Round to the nearest hundredth, if needed.
viktelen [127]

Answer:

\sqrt{13}

Step-by-step explanation:

A(4;1) B(1;3)

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8 0
3 years ago
Given the explicit formula an=3(-4)n-1, what is the sixth term?
Sholpan [36]

Answer:

  a6 = -3072

Step-by-step explanation:

Put 6 where n is and do the arithmetic.

Since the form of your function looks like it is trying to describe a geometric sequence, we assume you actually mean ...

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So, for n=6, this has the value ...

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_____

Same deal if you really mean

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5 0
3 years ago
The distribution of the amount of money in savings accounts for University of Alabama students has an average of 950 dollars and
Pavlova-9 [17]

Answer:

Approximately Normal, with a mean of 950 and a standard error of 158.11

Step-by-step explanation:

To solve this question, we need to understand the Central Limit Theorem.

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, a large sample size can be approximated to a normal distribution with mean \mu and standard deviation, which is also called standard error s = \frac{\sigma}{\sqrt{n}}.

In this problem, we have that:

\mu = 950, \sigma = 1000

The sampling distribution of the sample mean amount of money in a savings account is

By the Central Limit Theorem, approximately normal with mean \mu = 950 and standard error s = \frac{1000}{\sqrt{40}} = 158.11

So the correct answer is:

Approximately Normal, with a mean of 950 and a standard error of 158.11

8 0
3 years ago
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Setler [38]
Put a 5 in each of the duckling boxes and then a 1 in the adult duck boxes
Because 5•5•5•5•5=25 + 1 = 26
3 0
2 years ago
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