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Elenna [48]
3 years ago
15

9. (a) Assume that the insulation around a rod is faulty in that the heat in each small slab leaks through the insulation at a r

ate proportional to the temperature of the slab. Show that the temperature u(x,t) then obeys the equation u,

Mathematics
1 answer:
Allushta [10]3 years ago
5 0

Answer: see attached file

Step-by-step explanation:

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W=5, X=3, Y=4, Z=8<br><br> 9X=
vova2212 [387]

Answer:

27

Step-by-step explanation:

9(3)=27

For my answer I got 27 because brackets means multiply in maths so I multiply 9 by 3 and I got 27

6 0
3 years ago
Is there an outliner? if so, what is it histogram
frutty [35]

Answer:

Usually, the presence of an outlier indicates some sort of problem. This can be a case which does not fit the model under study, or an error in measurement. Outliers are often easy to spot in histograms.

Step-by-step explanation:

It is similar to a Bar Chart, but a histogram groups numbers into ranges

3 0
3 years ago
Joe will build a rectangular pen for his dog. A wall will form one side of the pen. Joe has 40 ft of fencing to form the other t
Svetlanka [38]
Material=wall+2*side and material is 40 ft so:

40=w+2s

w=40-2s

Area=ws, using w from above we get:

A=(40-2s)s

A=40s-2s^2

dA/ds=40-4s and d2A/ds2=-4

Since d2A/ds2 is a constant negative acceleration, when dA/ds=0, A(s) is at an absolute maximum.

dA/ds=0 when 4s=40, s=10 ft

And since w=40-2s, w=20 ft

So the dimensions of the pen are 20 ft by 10 ft, with the 20 ft side being opposite the wall.  And the maximum possible area is thus 200 ft^2
6 0
3 years ago
Read 2 more answers
The __________ set is the set of elements under consideration
dedylja [7]

Answer:

SYNTAX PROPERTY

Step-by-step explanation:

4 0
3 years ago
Match the inequality to the graph of its solution.<br> a. n/4 ≤ -1<br> b. -10 ≥ -100<br> c. 5x ≥ 20
postnew [5]
<span>a. n/4 ≤ -1

Multiply both sides by 4 => n ≤ - 4, which is all the real numbers less or equal than - 4.

That in the real number line is all the numbers to the left of - 4 (including  -4)

The matching graph is the B.


b. -10n ≥ -100

Divide both sides by - 10 => n ≤ 10

That is all the real numbers less or equal than 10.

In the real number line it is all the numbers to the left of 10, including 10.

So, the matching graph is the A.


c. 5x ≥ 20

Divide both sides by 5 => x ≥ 4

That is all the real numbers greater or equal to 4.

In the real number line it is all the numbers to the right of 4, including 4.

The matching graph is C.</span>
4 0
3 years ago
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