Answer:
<em><u>The</u></em><em><u> </u></em><em><u>answer</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>9x</u></em><em><u>²</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>3x</u></em><em><u> </u></em><em><u>-</u></em><em><u> </u></em><em><u>2</u></em><em><u>.</u></em>
Step-by-step explanation:
1) Collect like terms.

2) Simplify.

<em><u>Therefor</u></em><em><u>,</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>answer</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>9x</u></em><em><u>²</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>3x</u></em><em><u> </u></em><em><u>-</u></em><em><u> </u></em><em><u>2</u></em>.
Answer:
30 degress
Step-by-step explanation:
Answer:
b = 6
Step-by-step explanation:
You probably already know the general equation from the my last couple of answer.
In this question, we have:
a=8
b= ?
c= -10 , c is the value of the foci
surprisingly, you can solve the value for a, b, and c using the same equation as the Pythagorean theorem.
c² = a² + b²
we need to solve for b so lets rearrange the equation.
b² = c² - a²
b = ±√(c² - a²)
b = ±√((-10)² - (8)²)
b = ±√((-10)² - (8)²)
b = ±√(100 - 64)
b = ±√(36)
b = ±6
b = 6
The mean is equal for Group A and Group B.
<h2>Given </h2>
Two groups of students were asked how far they lived from their school.
The table shows the distances in miles:
Group A (distance in miles) 1 1.5 3.03 3.2 2.8 1.5 1.8 2.5 2.2
Group B (distance in miles) 2 2.5 3.23 1.3 1.8 2.4 3 1.5 1.8
<h3>What is mean?</h3>
The mean of any data set or observation is equal to the sum of all the observations and divided by the number of observations.
The formula used to calculate the mean is;

The mean of group A is;

The mean of group B is;

Hence, the mean is equal for Group A and Group B.
To know more about Mean click the link given below.
brainly.com/question/12513463
We first use midpoint formula
X1+X2 divided by 2 we want x for midpoint.
Y1+Y2 divided by 2 we want Y for midpoint
10-4 divided by 2 =3
7-0 divided by 2 =7/2
therefore midpoint= (3;7/2)