Q90 is between 44 degrees till 65 degrees
Hello! I hope this helps! <33
Answer:
-9x^2-6x-1
Step-by-step explanation:
1.) Remove parantheses
-8x^2-5x-6-x^2-x+5
2.) Group like terms
8x^2-x^2-5x-x-6+5
3.) Add similar elements
-9x^2-5x-x-6+5
4.) Add similar elements
-9x^2-6x-6+5
Answer = -9x^2-6x-6+5
Have a nice day! ;)
Answer:
Step-by-step explanation:
1 <em>4(1) + 2 6</em>
3 <em>4(3) + 2 14</em>
6 <em>4(6) + 2 26</em>
0 <em>0 + 3 3</em>
2 <em>2 + 3 5</em>
4 <em>4 + 3 7</em>
<em>1 1 - 1 </em> 0
<em>3 3 - 1</em> 2
<em>5 5 - 1</em> 4
Answer:
x=# of boys
x+7=# of girls
x+x+7=25
2x+7=25
2x=25-7
2x=18
x=18/2
x=9 boys
x+7=16 girls
If you don't understand variables use trial and error.
Boys Girls
1 8
2 9
3 10
4 11
5 12
6 13
7 14
8 15
9 16 9+16=25 students
You could start this way...
Boys Girls
12 13
11 14
10 15
9 16 16 is 7 more than 9
Hello there! The axis of symmetry is the vertical line where the parabola can be divided and there are two equal halves. The vertex is on that line. The point where this occurs is all in the positive range, so that eliminates B, C, and D. (0.5, 4.25) is the vertex and 0.5 is the axis of symmetry. The answer is A. Your answer is correct.