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3 years ago

One-dimensional, steady-state conduction with uniform

Mathematics

1 answer:

Pani-rosa [81]3 years ago

8 0

Answer:

Step-by-step explanation:

The detailed steps and appropriate derivation is as shown in the attached files.

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A new movie opened the other day. So far, 500,000 people have seen it. The producers of the movie needed to know if the people l

GrogVix [38]

Point estimate = x/sample size = 4200/8000 = 0.525 = 52.5%

If the same percentage of the population as that of the sample enjoyed the movie, then;

Prediction of those who enjoyed the movie is calculated from the same percentage. That is;

Total number of the people who enjoyed movie = 52.5% of 500,000 = 0.525*500,000 = 262,500

5 0

3 years ago

In the diagram, AB is divided into equal parts. The coordinates of point A are _____, and the coordinates of point I are______ .

tankabanditka [31]

Answer:

The coordinates of point A are (-10,-4). The coordinates of I are (-3.875,-10.125).

Step-by-step explanation:

It is given that the the line AB is divided into equal parts. Therefor distance between two consecutive points are equal.

The point D is mid point of A and F.

$(x,y)=(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})$

$(-8.25,-5.75)=(\frac{x+(-6.5)}{2},\frac{y+(-7.5)}{2})$

$-8.25=\frac{x-6.5}{2}$

$-16.50=x-6.5$

$-10=x$

$-5.75=\frac{y-7.5}{2}$

$-11.50=y-7.5$

$-4=y$

Therefore the coordinates of A are (-10,-4).

Similarly the pint H is midpoint of F and B.

$(-4.75,-9.25)=(\frac{x+(-6.5)}{2},\frac{y+(-7.5)}{2})$

The values of x and y are,

$x=-3$

$y=-11$

Therefore the coordinates of B are (-3,-11).

The point I is mid point of HB. H(-4.75,-9.25) and B(-3,-11).

$(x,y)=(\frac{-4.75-3}{2},\frac{-9.25-11}{2})$

$(x,y)=(-3.875,-10.125)$

Therefore the coordinates of I are (-3.875,-10.125).

3 0

3 years ago

What is 5/7 + 3/7??????

vaieri [72.5K]

8/7 as an improper and 1 and 1/7 for proper.

6 0

3 years ago

Read 2 more answers

Multiply.

BARSIC [14]

Exact form: 9/5
Decimal form: 1.8
Mixed number form: 1 4/5

6 0

3 years ago

Read 2 more answers

Simplify the expression the root of negative one all over the quantity of four minus three i minus the quantity of two plus five

svlad2 [7]

We will break this down into its parts:
We know that this is a fraction where the numerator is √(-1) = i
The denominator:
4 - 3i - (2 + 5i); we put 2 + 5i in brackets because we are to subtract its quantity.
Simplifying the denominator:
4 - 3i - 2 - 5i
= 2 - 8i
Now, we write the expression in fractional form:
i / (2 - 8i)
To remove an imaginary number from the denominator, we multiply and divide by its conjugate. The conjugate of a + bi is a - bi
i(2 + 8i) / (2² - (8i)²)
= (-8 + 2i) / (4 + 64)
= -2/17 + i/34

4 0

4 years ago