Answer:
425 miles
Step-by-step explanation:
Their speed of closure is the sum of their speeds: 85 + 70 = 155 miles per hour. Then they cover the 775 mile distance in
... (775 mi)/(155 mi/h) = 5 h
Stephanie has traveled (85 mi/h)·(5 h) = 425 mi from Springfield to their meeting point in that time.
9514 1404 393
Answer:
453.32
Step-by-step explanation:
The argument of the summation symbol is recognizable as the general term of a geometric series with first term a1=4 and common ratio r=1.5. The indices on the summation symbol tell you that you want the sum of the first 10 terms of the series.
The general form of the sum of the first n terms of a geometric series is ...
Sn = a1(r^n -1)/(r -1)
For the given values of a1 and r, this sum is ...

____
Your graphing calculator may be able to evaluate this for you directly.
This is the distributive property
Answer:
See below (I hope this helps!)
Step-by-step explanation:
When dividing exponential terms of the same base, we can simply subtract the exponents, therefore:

I can help but the picture does not load, for some reason it takes me to a page that says enter code. I have no idea what it is but i did not mess with it...
you might want to re-post a new picture just to be safe because that code thing might be something of yours thats personal