You haven't told me what the question is. But I put the mouse
to my forehead, closed my eyes, took a deep breath, and I could
see it shimmering in my mind's eye. It was quite fuzzy, but I think
the question is
"What score does Andrew need on the next test
in order to raise his average to 72% ?"
The whole experience drew an incredible amount of energy
out of me, and the mouse is a total wreck. So we'll just go ahead
and answer that one. I hope it's the correct question.
The average score on 4 tests is
(1/4) (the sum of all the scores) .
In order for Andrew to have a 72% average on 4 tests,
the sum of the 4 scores must be
(4) x (72%) = 288% .
Out of that total that he needs, he already has
(64% + 69% + 73%) = 206%
on the first three tests.
So in order to average 72% for all 4 tests,
he'll need to score
(288% - 206%) = 82%
on the fourth one.
Answer:
i = the square root of -1
Step-by-step explanation:
If it gives you your total, and another number, divide the 2
example:
25 • x = 75
75/25= 3
x=3
Answer:
Option B that is (2,6) is correct
Explanation:
We have been given with system of equations
and 
Here, we will substitute the value of in
We will get 
Further simplification we will get to 
Hence, the value of 
And now, substituting the value in we will get 
.
Therefore, option B is correct.
Hey there!:
According to the Pythagorean theorem, the sum of the squares of the legs of a right triangle is equal to the square of the hypotenuse (H):
1² + 19² = x²
1 + 361 = x²
x² = 1 + 361
x² = 362
x = √ 362
x = 19.02
Hope this helps!
