The equation would be 28/3 because there are 28 students in the class and the ratio of boys to girls is 3-9 meaning that it is 1/3, which is the same as dividing by 3, so the equation would be 28/3

5 0

3 years ago

Given the function h(x) = x2 + 10x + 21, determine the average rate of change of

Nastasia [14]

Answer:

-3. im taking this course right now so i know its correct, if you do the box method it comes out to -3.

Step-by-step explanation:

6 0

3 years ago

Find the cosine of angle A to the nearest 100th.

Sauron [17]

Answer:

${ \tt{ \cos(A) = \frac{ \sqrt{700} }{40} }} \\ { \tt{ \cos(A) = 0.66 }}$

4 0

3 years ago

A sample size of n= 20 is a simple random sample selected from a normally distributed

Alina [70]

Answer: 2.093

Step-by-step explanation: just took it

7 0

2 years ago