Answer:
the answer to your question will be: A
Step-by-step explanation:
as much as I would like to, I'm really not that great at explaining things
Answer:
8.3
Step-by-step explanation:
<u>do whats in the brackets first.</u>
13-17-1.3= -5.3
<u>rewrite the equation</u>
3-7+2-[-5.3]+5
3-7+2= -2
<u>rewrite the equation</u>
-2-[-5.3]+5
when 2 negative signs are together u change it to a positive sign.
<u>rewrite the equation</u>
-2+5.3+5
-2+5.3= 3.3
<u>rewrite the equation</u>
3.3+5=8.3
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Answer:
1204
Step-by-step explanation yes uu28
Answer: x=4 and x=4
Step-by-step explanation:
Plugging in the given values gives us:
0 = -16t^2 + 80t + 145
This a quadratic equation with two roots. Solving it using using the quadratic formula or by factoring, or by any other solution, the roots are:
6.4531 and -1.4131
We are dealing with time, so we choose the positive root.
Therefore, the answer is 6.4531 seconds