Answer:
<h2>a. AB = 24</h2>
Step-by-step explanation:
We have a triangle 45° - 45° - 90°.
Sides are in the ratio 1 : 1 : √2 (<em>look at the picture</em>).
If then
Used
Answer:
Explanation:
The <em>average</em> is the mean. It is calculated adding all the values and dividing the sum by the number of values (data):
For the students who took the test the day before you, you can write:
Where n is the number of students who took the test first.
Thus, when the average was 69 the equation is:
When you take the test, the n + 1, the new average is 70, and the sum of the scores raised in 95 points:
Now you have a system of two equation and two unknowns, so you can solve it.
Clear the sum of the scores from the first equation:
Subsitute in the second equation:
Solve for n:
Thus, when you include your self the number of students who took the test was 25 + 1 = 26.
Neither i believe i’m sorry
Answer:
(1,0)
Step-by-step explanation:
For any point located on the x-axis, its y coordinate will be zero.
So,The answer is (1,0)
<span>The additive inverse states that a number added to its opposite will equal zero.</span>