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Dr.Peterson
replied to the thread
Need help with truth table: I'm trying to understand WHY, in this table, that X→Z would be true when X is false.
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Of course, even the best "real-life" examples we give tend to have something wrong about them. This one sounds causal; in addition, in...
Mar 27, 2024
Dr.Peterson
reacted to
Steven G's post
in the thread
Need help with truth table: I'm trying to understand WHY, in this table, that X→Z would be true when X is false.
with
Like
.
Your teacher tells you that if you study, then you will pass the exam. How can the teacher be wrong? There is only one way for the...
Mar 27, 2024
lev888
replied to the thread
Calculating the area of overlap between 2 circle sectors
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Ok. Please post a diagram with vertices marked so we can reference them.
Mar 27, 2024
E
evansba
replied to the thread
Calculating the area of overlap between 2 circle sectors
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Its for a project whereby the sectors represent the field of views of two cameras
Mar 27, 2024
J
jjoyjoy
posted the thread
projection of a perpendicular
in
Geometry and Trig
.
in a right-angled triangle, does the projection of the perpendicular on the base equal a)the base itself, b)zero, or c)perpendicular.?
Mar 27, 2024
The Highlander
replied to the thread
indexing ... how to solve (5th-rt(243) * sqrt(64^3))/(27^(2/3) * 512^(-2/3))
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@kairee (Continued...) OK, If you have now come back and posted your work so far, then this is how to proceed from that point forward...
Mar 27, 2024
The Highlander
replied to the thread
indexing ... how to solve (5th-rt(243) * sqrt(64^3))/(27^(2/3) * 512^(-2/3))
.
Hi @kairee, Do you know anything at all about working with indices? An index (indices is the plural) or power is the little number you...
Mar 27, 2024
A
annaanna
replied to the thread
Logarithms...
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its funny how easily maths rules can change when you're struggling,,, i was hoping that since they both had - signs that was good enough...
Mar 27, 2024
A
annaanna
replied to the thread
Logarithms...
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simplify it in terms of ln
Mar 27, 2024
S
savs77
replied to the thread
Number of days ate 3? You begin with 28 sweets. Each day, you consume 2 or 3 sweets. In 12 days, you finish all 28.
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Mar 27, 2024
The Highlander
replied to the thread
Number of days ate 3? You begin with 28 sweets. Each day, you consume 2 or 3 sweets. In 12 days, you finish all 28.
.
@savs77 If you "like" what I've done for you, please come back and post your work showing a complete solution. (A picture of your...
Mar 27, 2024
S
savs77
replied to the thread
Number of days ate 3? You begin with 28 sweets. Each day, you consume 2 or 3 sweets. In 12 days, you finish all 28.
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Yes, I was thinking of solving them simultaneously. Subtracting 2x+2y=24 from 2x+3y=28 gives y=4. So I ate 3 sweets on four of the days.
Mar 27, 2024
S
savs77
reacted to
The Highlander's post
in the thread
Number of days ate 3? You begin with 28 sweets. Each day, you consume 2 or 3 sweets. In 12 days, you finish all 28.
with
Like
.
Yes! You have been given a logical thought approach to solving your problem quite simply (above) but your own (Mathematical) approach to...
Mar 27, 2024
S
savs77
replied to the thread
Number of days ate 3? You begin with 28 sweets. Each day, you consume 2 or 3 sweets. In 12 days, you finish all 28.
.
If you eat 2 on each of the 12 days, make 24, with 4 left over. You spread those 4 over different days, making 4 days on which 3 are eaten.
Mar 27, 2024
S
savs77
reacted to
stapel's post
in the thread
Number of days ate 3? You begin with 28 sweets. Each day, you consume 2 or 3 sweets. In 12 days, you finish all 28.
with
Like
.
If you ate only two each day, how many would you have eaten over the course of the twelve days? How many sweets would be left over? So...
Mar 27, 2024
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