MATHEMATICS HIGH SCHOOL

What are the factors of 5x^2 - x - 6? (3 points)A.(5x - 6)(x + 1)
B.(5x - 1)(x + 6)
C.(5x - 3)(x + 2)
D.(5x - 2)(x + 3)

Answers

Answer 1
Answer: The answer will be A.

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factor each expression: 4n^2-8n+3,  4p^2+7p+3, 6r^2-23r+20, 5z^2+19z-4, 2k^2-13k-24, 6t^2+7t-5, 3x^2+23x-36, 4w^2-5w-6, 4d^2-4d-35
Transformation of y=3x^2
Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth. −2y2 + 6y = −2

What is the answer to 5×5

Answers

25z would be the answer
5x5=25 

5x5z=25z


....................................................................

Literal Equations:
C=2πr solve for r

Answers

\sf C = 2\pi r\n\n Divide~both~sides~by~2\pi\n\n\boxed{\bf{r = (C)/(2\pi)}}

Hope this helped! If you have any other questions or would like further explanation just let me know!! :)

what are the minimum first quartile median third quartile and the maximum of the data set? 9,20,4,18,4,18,20,9

Answers

Answers
1. Minimum = 4
2. First quartile = 6.5
3. Median = 13.5
4. Third quartile = 19
5. Maximum = 20

Explanation
To calculate the measure of central tendency, you first arrange the set of the data in ascending order.  
The set of data given will be;
4, 4, 9, 9, 18, 18, 20, 20.

Part 1:
The minimum value of the data is 4.

Part 2:
The first quatile is the median of the lower half which is comprised by:
4, 4, 9, 9

1st quartile = (4+9)÷2
                  = 13÷2
                  = 6.5

Part 3:
Median of the data is;

Median = (9+18)÷2
              =27÷2
            = 13.5

Part 4:
3rd quartile is the median of the upper half which comprises of; 
18, 18, 20, 20.

3rd quartile = (18+20)÷2
                  = 48÷2
                   = 19

Part 5
The maximum of the set of data is 20.

The perimeter of a rectangular garden is 338 m.If the width of the garden is 74 m, what is its length?

Answers

Answer:

l=95

Step-by-step explanation:

Perimeter is all the sides add up. So the equation if you know two of the sides, it should be: 338=(2*74)+(2*l)

Answer:

Step-by-step explanation:

the perimeter is 2w plus 2l

so 338 = 74(2)+2l

338 = 148+2l

190=2l

l=95

your length would be 95 m

Jenny is eight years older than twice her cousin Sue’s age. The sum of their ages is less than 32. What is the greatest age that Sue could be? 7 8 9 10

Answers

Sue age = x

jenny age = 2x+8

then, x+2x+8 = 32

3x=24

x=8

So, answer is option B.

the correct answer is b

if the population of a country increases at a rate of 1.5% annually, and it’s current population is 430,000, how many years will it take for the population to triple

Answers

Hi,
a_0=430000\na_1=a_0*1.15\na_2=a_1*1.15=a_0*1.15^2\n...\na_n=a_0*1.15^n\na_n \geq 3*a_0\n1.15^n \geq 3\nn*ln(1.15) \geq ln(3)\nn \geq (ln(3))/(ln(1.15)) \nn \geq 7.86059688...\n\n\boxed{n \geq 8}\n
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