Determine which ordered pair is a solution of y = –5x + 10. a. (–15, 5)b. (2, 0) c. (–1, –5) d. (3, 25)

Answers

Answer 1

Answer: y = - 5 x + 10
A ) x = - 15, y = 5
5 = 75 + 10
5 ≠ 85
B ) x = 2, y = 0
0 = - 5 · 2 + 10
0 = 0 ( correct )
C ) x = - 1, y = - 5,
- 5 = 5 + 10
- 5 ≠ 15
D ) x = 3, y = 25
25 = - 15 + 10
25 ≠ - 5
Answer:
B ) ( 2, 0 )

Answer 2

Answer:

Answer:

B. (2,0)

Step-by-step explanation:

The given equation is;

$y=-5x=10$

If an ordered pair is a solution, then the ordered pair must satisfy the given equation.

For (-15,5),we have

$5=-5(-15)+10$

$5=75+10$ ,this is FALSE.

For (2,0), we have

$0=-5(2)+10$

$0=-10+10$ , this is TRUE

For (-1,-5), we have;

$-5=-5(-1)+10$

$-5=5+10$ , this is FALSE.

For (3,25), we have;

$25=-5(3)+10$

$25=-15+10$ , this is FALSE

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researchers wish to test the effect of living environment on cholesterol level they take a sample of people from a rural area and a sample of people from an urban area and compare their cholesterol levels. what would be the best statistical test for them to utilize? group of answer choices two-sample t-test anova linear regression chi-square

Answers

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The two-sample t-test is appropriate in this case because it compares the means of two independent groups (rural and urban residents) to determine if there is a significant difference between their cholesterol levels.

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PLEASE HELP GIVING 20 POINTS PLUS BRAINLIEST FOR CORRECT ANSWER!!!Using the data below, Eve created a conditional relative frequency table by column and Bob created a conditional relative frequency table by row.

Which statements are true? Check all that apply.

A. Based on both tables, there is no association between gender and enjoying dancing.

B. Eve's table shows that those who enjoy dancing are likely girls.

C. Bob's table shows that boys are likely to not enjoy dancing.

D. The two tables will be identical since boys and girls have the same total number.

E. The percentage of someone being a girl, given that the person enjoys dancing is lower than the percentage that someone enjoys dancing, given that the person is a girl.

Answers

Answer:

B. Eve's table shows that those who enjoy dancing are likely girls.

C. Bob's table shows that boys are likely to not enjoy dancing.

E. The percentage of someone being a girl, given that the person enjoys dancing is lower than the percentage that someone enjoys dancing, given that the person is a girl.

Answer:

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Step-by-step explanation:

which polynomial can be simplified to a difference of squares? 10a2 3a – 3a – 16 16a2 – 4a 4a – 1 25a2 6a – 6a 36 24a2 – 9a 9a 4

Answers

For the polynomial: 10a^2 + 3a - 3a - 16 = 10a^2 - 16 but 10a^2 is not a perfect square hence does not simplify to a difference of two squares. For the polynomial: 16a^2 - 4a + 4a - 1 = 16a^2 - 1 = (4a - 1)(4a + 1). This polynomial simplifies to a difference of two squares. For 25a^2 + 6a - 6a + 36 = 25a^2 + 36. This ia a sum of two squares and not a difference of two squares. For 24a^2 - 9a + 9a + 4 = 24a^2 + 4. This ia a sum of two squares and not a difference of two squares.

The polynomial 16a² - 4a + 4a - 1 can be simplified to a difference of squares

What is a polynomial?

Polynomial is an expression that involves only the operations of addition, subtraction, multiplication of variables.

The difference of two squares is given by:

a² - b² = (a + b)(a - b)

Hence:

16a² - 4a + 4a - 1 = 4a(4a - 1) + 1(4a - 1)

= (4a + 1)(4a - 1)

The polynomial 16a² - 4a + 4a - 1 can be simplified to a difference of squares

Find out more on polynomial at: brainly.com/question/2833285

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Answers

Answer:

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