8x5<45 So the fewest of miles she could run is 1, 2, 3, or 4 miles
-5 -5
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8x<40
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8 8
x<5
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The rate a computer works is 1/time. Working together, you add the rates.
Let new computer be x, old computer be y.
x = y - 7

Rounded to nearest tenth gives:
x = 23 hours
Answer:
h = -1
Step-by-step explanation:
- (4 + h) = 3h
- 4 - h = 3h
- h - 3h = 4
- 4h = 4
- h = 4/4
- h = 1
h = - 1
Answer:
A and B are correct
Step-by-step explanation:
The middle letter represents the vertex of an angle. For instance, angle ABC has a vertex at B. Because the letter "e" is in the middle of angle FED and angle DEF, it represents the vertex of those angles. Hope this helps
Answer:

And we can use the normal table and the complement rule we got:

Step-by-step explanation:
For this case we have the following parameters given:

We select a ample size of n=49. And we want to find this probability:

And for this case is a right tail probability and we can use the z score formula given by:

And replacing we got:

And we can use the normal table and the complement rule we got:
