Answer:
Step-by-step explanation:
Given equation is representing the graph of parabola which opens down and its pick is its vertex
<u>The vertex is calculated by vertex formula:</u>
- x = -b/2a for the equation y = ax² + bx + c
<u>In our case t is the vertex and its value is:</u>
- t = -42/(-1.5*2) = 42/3 = 14 seconds
Answer:
$37.5
Step-by-step explanation:
$7.50=in one hr
$? =in five hr
since you can cross each other
<h2>therefore the resalt it will give $37.50 right</h2>
80 possible 2 digit passwords
5040 possible 4 digit PIN's with no repeats
can't see 7 to answer pls tell
1- B
2- C
3- B
4- D
5- D
6- C
7- B
8- C
9- C
10- C
Hope I helped you!!
I really think that I got them all right.. PLEASE tell me if I got any wrong so that I can change them :) Its been a while since I've done this... XD
Step-by-step explanation:
(-8-9)+23
-17+23
6.........
