The mean is always the best measure of central tendency for a set of data. true false

Answers

Answer 1

Answer: False, as the mean can be skewed by an outlier in the data

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the population of a colony of cells is growing so that it will triple every hour. suppose the current population is 200 cells. how many hours ago was there only one cell?

Answers

I believe that the answer to the question provided above is that after 66.67 hours the population of the colony cell has reached to 200.
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.

Function 1: y = 4x + 5Function 2: The line passing through the points (1, 6) and (3, 10).

Which of these functions has the greater rate of change?
A) Function 1, because the slope is 5 and the slope of function 2 is 4.
B) Function 1, because the slope is 4 and the slope of function 2 is 2.
C) Function 2, because the slope is 7 and the slope of function 1 is 5.
D) Function 2, because the slope is 5 and the slope of function 1 is 4.

Answers

Answer:

Option B is correct

Function 1, because the slope is 4 and the slope of function 2 is 2.

Step-by-step explanation:

Slope-intercept form:

The equation of line is given by:

$y=mx+b$

where, m is the slope and b is the y-intercept

As per the statement:

Function 1: y = 4x + 5

On comparing with [1] we have;

Slope of function 1 = 4

Function 2: The line passing through the points (1, 6) and (3, 10).

Using slope formula:

$\text{Slope}= (y_2-y_1)/(x_2-x_1)$

Substitute the given points we have;

$\text{Slope}= (10-6)/(3-1)$

⇒ $\text{Slope}= (4)/(2)$

Simplify:

⇒ $\text{Slope}=2$

⇒ $\text{Slope}= (4)/(2)$

⇒ Slope of the function 2 is, 2

Since, function 1 is greater rate of change.( i.e 4 > 2)

Therefore,

Function 1 has the greater rate of change, because the slope is 4 and the slope of function 2 is 2.

Answer:

Answer is b

Step-by-step explanation:

Presley is organizing the school book sale. Each stall will have 40 books on the shelf and 2 boxes of books with b books inside. Presley also has 200 books in inventory to refill the shelves as books sell. This situation can be written as the following expression:40s + (2b)s + 200

How many books should Presley have ready if she plans to open 8 stalls and have 12 books in each box?

a) 520
b) 712
c) 820
d) 1,622

Answers

s=number of stalls I assume

if s=8
and b=12
40(8)+(2*12)8+200
320+(24)8+200
520+192
712

B

What is the correct answer to 42r - 18

Answers

6• (7r-3) I got this question using my calculator please let me know how you feel have a great day

Answer:

I'm working during the same thing

What is the value of fraction 1 over 2x3 3.4y when x = 4 and y = 2? 12.8 14.8 25.8 38.8

Answers

1/2 x^3 + 3.4y when x = 4 and y = 2
1/2(4)^3 + 3.4(2)
1/2 (64) + 6.8
32 + 6.8 = 38.8

Answer:

1/2 x^3 + 3.4y when x = 4 and y = 21/2(4)^3 + 3.4(2)1/2 (64) + 6.832 + 6.8 = 38.8

Step-by-step explanation:

Express in simplest radical form.
-√63 x^7 - 4x√7x^5

Answers

Answer:

-21x^12

Step-by-step explanation:

To express the given expression in simplest radical form, let's simplify each term separately.

Starting with the first term, -√63x^7, we can simplify the square root of 63.

The prime factorization of 63 is 3 × 3 × 7. Since there is no perfect square factor, we can't simplify the square root any further. So, we have -√(3 × 3 × 7) x^7.

Now, let's move on to the second term, -4x√7x^5. We can simplify the square root of 7.

Since 7 is a prime number, there is no perfect square factor. So, we have -4x√7 x x^5.

Now, let's multiply the two terms together. Multiplying the numbers outside the radicals gives us -√(3 × 3 × 7) x^7 × -4x√7 x x^5.

Multiplying the x's together gives us x^7 x x^5 = x^(7+5) = x^12.

Multiplying the numbers under the radicals together gives us √(3 × 3 × 7) x √7 = √(3^2 x 7) x √7 = 3√7 x √7 = 3 x 7 = 21.

Combining these results, we have -21x^12.

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A polynomial function has a root of -5 with multiplicity 3, a root of 1 with multiplicity of 2, and a root of 3 with multiplicity 7. If the function has a negative leading coefficient and is of even degree which statement about the graph is true?a) function is positive on (-∞,-5)b) fuction is negative on (-5,3)c) function is positive on (-∞,1)d) function is negative on (3,∞)

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