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Aleonysh [2.5K]
3 years ago
8

Combine and simplify the radicals below √8 * √20

Mathematics
1 answer:
professor190 [17]3 years ago
7 0
Here is my approach to this problem. :)

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A researcher is interested in knowing whether responses to lowering the legal age for drinking alcohol varies by gender. Which s
likoan [24]

The statistical test that would be most appropriate determine the answer the researcher is interest in knowing is a chi-square test.

<h3>What is a chi-square test?</h3>

A chi-square test is a statistical test used to test the relationship between categorical variables. It is used to determine the difference between the expected data and the observed data is due to chance.

Chi squared = \frac{(O_{i} - E_{i} )^{2} }{E_{i} }

Where:

  • O_{i} = observed value
  • E_{i} = expected value.

The researcher is interested in knowing if the response to lowering the legal age for drinking alochol (observed value)) varies by gender (expected value). Thus, a chi-square test would be used.

To learn more about chi-square, please check: brainly.com/question/14082240

8 0
2 years ago
Identify the terms. Then identify the coefficients of the variable terms of the expression. (Enter your answers as a comma-separ
tino4ka555 [31]

Answer:

The set of coefficients asociated with the given polynomial in ascending order is [C] = \{4,0,5\sqrt{3}\}.

Step-by-step explanation:

Let y = 5\sqrt{3}\cdot x^{2}+4, which is a polynomic function, defined as:

y = \Sigma_{i=0}^{n}c_{i}\cdot x^{i} (1)

Where:

c_{i} - i-th Coefficient.

x^{i} - i-th Power.

n - Grade of the polynomial.

We notice that given polynomial has degree 2 and can be rewritten by applying this definition:

y = 4 + 0\cdot x + 5\sqrt{3}\cdot x^{2}

Then, the set of coefficients asociated with the given polynomial in ascending order is:

[C] = \{4,0,5\sqrt{3}\}

7 0
3 years ago
John takes out a loan for $ 10 , 000 at a simple interest rate of 5 % to be paid back in 36 monthly installments.
andrew-mc [135]

The monthly principal and interest payment John will pay monthly is $3,750.04

<h3>What is the amount of principal and interest repayment?</h3><h3 />

Given:

  • P = 10,000
  • i = 5% / (12 months) = 0.375
  • L = 36 months

M = 10000 \times  \frac{0.375}{ {1 - (1 + 0.375)}^{ - 36} }

M = 10000 \times  \frac{0.375}{ {1 - (1.375)}^{ - 36} }

M = 10000 \times  \frac{0.375}{ {1 - (0.00001049791)} }

M = 10000 \times  \frac{0.375}{ 0.99998950208 }

M = 10000  \times  0.37500393675

M = 3750.03936758

Approximately,

M = $3,750.04

Therefore, John will be be repaying $3,750.04 monthly including principal and interest

Read more on simple interest:

brainly.com/question/20690803

#SPJ1

6 0
1 year ago
A rock climber descended 50 feet to a new elevation of 32 feet. What was her initial elevation, e?
alina1380 [7]

Answer:

82 feet

Step-by-step explanation:

50 feet + 32 feet = 82 feet

6 0
3 years ago
Find the total area of the composite figure below. SHOW ALL WORK.
Leviafan [203]

Answer:

358.5 sq-in

Step-by-step explanation:

This is the answer.

5 0
2 years ago
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