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Airida [17]
3 years ago
11

What is the probability that 12/a >a

Mathematics
1 answer:
Daniel [21]3 years ago
3 0
WE can choose any number between 1 and 19 inclusive. 
for 12/a to be greater than a 12 must be > a^2  so a has to be  1,2 or 3.

Answer is 3/19  D. 
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What is the value of the expression 0.6 x 0.8? Solve for the answer using an area mode
KiRa [710]

Step-by-step explanation:

0.6m×0.8

=0.48m²

is like this?

hope it help

5 0
3 years ago
What is the sum of the measures of interior angles ofna regular polygon if each exterior angle measures 72°?
WARRIOR [948]
We know that

The exterior angle measures of a polygon must add up to 360°, 

therefore

 360°/72°=5 exterior angles

so

5 exterior angles, would mean 5 interior angles and therefore  5 sides to the polygon

The exterior angle and the interior angle of any polygon are supplementary and must add up to 180°.

exterior angle+interior angle=180°

interior angle=180°-exterior angle

interior angle=180°−72°-------> 108°
Each interior angle is 108°

The sum of the interior angles would be 

5*108°=540°

the answer is

540°

5 0
3 years ago
Two students on bicycles leave their classroom building at 10:00 a.m. and travel in opposite directions. If the average speed of
Westkost [7]
Now... both are traveling in opposite direction
after some time "t", they cover altogether a distance of 65 miles
let's say, the one at 12mph cover a distance of "d",
thus
the other biker, cover the difference of that and 65, or 65-d
whatever "d" is

now, the time for both, is the exact same time,
since by the time they've covered 65 miles, let's say is
11:30am, is the same 11:30am for the first biker as well
as the second biker

\bf \begin{array}{ccccllll}
&distance&rate(mph)&time(hrs)\\\\
&-----&-----&-------\\\\
\textit{first biker}&d&12&t\\
\textit{second biker}&65-d&14&t
\end{array}\\\\
-----------------------------\\\\
thus
\\\\

\begin{cases}
\boxed{d}=(12)(t)
\\\\
65-\boxed{d}=(14)(t)
\end{cases}

now... do you see the substitution there?
so.. do that, and solve for "t"
3 0
3 years ago
What is the slope intercept form of the equation of the line that passes through the points (7,-5) and (3,-9)?
chubhunter [2.5K]

Answer:

1

Step-by-step explanation:

y2 - y1 divided by x2 - x1

-9 + 5 = -4

3 - 7 = -4

-4/-4 = 1

6 0
4 years ago
19
Alex17521 [72]

Answer:

what kind of math is this baha

Step-by-step explanation:

5 0
3 years ago
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