Answer:
the number is -6 (assuming "3 lots of" means 3 times)
Step-by-step explanation:
Let the number be x
1 less than a doubled number
2x-1
5 more than 3 lots of (times???) the number
3x+5
Solve for x
2x-1 = 3x + 5
-x = 5+1
x = -6
Using quadratic function concepts, it is found that:
- It takes 1 second to reach maximum height.
- The maximum height is of 25 yards.
- It takes approximately 3.2 seconds for the rocket to hit the ground.
The height of the rocket <u>after x seconds</u> is given by:
Which is a quadratic function with coefficients .
The maximum height will be a reached at a time of , and will be of , considering the vertex given by:
Then:
Thus:
- It takes 1 second to reach maximum height.
- The maximum height is of 25 yards.
It hits the ground when , thus:
We want the positive root, so, it takes approximately 3.2 seconds for the rocket to hit the ground.
A similar problem is given at brainly.com/question/24705734
5 + 2 = 7
84/7 = 12
12 x 5 = 60
12 x 2 = 24
Answer is 60:24
Since these are both set equal to y the easiest way to solve is to set the equations equal to each other.
-2x + 3= -x-1
add 2x to both sides
3= x-1
add 1 to both sides
4=x
Step-by-step explanation:
These are the statements
Statement 4: RS is congruent to ST
Reasons
Reason 2: Reflextive Property
Reason 3: Definition of angle bisector
Reason 4:Given