ShmoopTube
Where Monty Python meets your 10th grade teacher.
Search Thousands of Shmoop Videos
Test Prep Videos 986 videos
CAHSEE Math: Algebra and Functions Drill 5, Problem 3. Solve the equation.
ACT Math: Plane Geometry Drill 3, Problem 1. What is the area of the trapezoid shape in the video?
AP Statistics 2.1 Exploring Data. How does this change affect the mean, standard deviation, and IQR?
SAT Math: Using Time and Distance to Calculate Speed 14 Views
Share It!
Description:
Liz leaves her home to drive on a straight highway that leads directly across town for a job interview. At 8:00 a.m., she has driven 5 miles from her house. At 9:15 a.m., she is 30 miles from her house. What is her average speed in miles per hour?
Transcript
- 00:03
Okay shmoop er's follow on for the previous math question
- 00:06
That was number four here Question is if this keeps
- 00:09
writing her current average feeling seeing road how far away
- 00:11
would he be from her house at noon Ok so
- 00:13
this camps on tio fourth one here which is well
Full Transcript
- 00:17
just go home and wait for Job infinity and 5
- 00:20
miles per hour at nine Fifteen she's thirty miles around
- 00:22
their speed in miles an hour when we figured out
- 00:23
that was twenty So to get the answer for five
- 00:27
here what do we do Well if liz has been
- 00:29
driving since eight a m and she's been driving for
- 00:33
four hours already also at eight a M she was
- 00:36
five miles from her house So you just add that
- 00:39
number to the very end Right So we figured out
- 00:42
earlier question she was going twenty miles an hour You
- 00:45
want four hours That's eighty miles She was started out
- 00:47
at five miles away So we got eighty plus five
- 00:50
and that gets her eighty five miles from her house
- 00:52
And wow she really can go the distance And the
- 00:54
key thing here on these questions is if you miss
- 00:57
The first one If you missed number four you're also
- 01:00
going to miss number five So you gotta pay super
- 01:03
careful attention to with all this stuff So good luck 00:01:05.863 --> [endTime] out there
Related Videos
SAT Math 1.1 Algebra and Functions. Find an algebraic equation to correspond with the data.
SAT Math 1.1 Geometry and Measurement. What is the circumference of the circle?
SAT Math 1.1 Numbers and Operations. How many combinations of beverage and cereal can be made?
SAT Math 1.1 Statistics and Probability. In which of the following data sets are the arithmetic mean and the median equal?
SAT Math: Algebra and Functions Drill 1, Problem 2. Based on the data in the table, what is the maximum heart rate for the average 22-year-old?