3 years ago

What equation results from completing the square and then factoring.

Mathematics

1 answer:

Sonbull [250]3 years ago

6 0

The answer is D (x+11)^2=152

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Find each percent of the markup. $11.5 marked up to $25. Round to the nearest percent.

soldi70 [24.7K]

Percent markup=amountmarkedup/original times 100

amountmarkedup=25-13.5.5=11.5
original=13.5

percent markup=11.5/13.5 times 100=0.85 times 100=85% markup

8 0

3 years ago

Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of

diamong [38]

Parameterize $S$ by

$\vec r(u,v)=u\,\vec\imath+v\,\vec\jmath+(4-u^2-v^2)\,\vec k$

with $0\le u\le1$ and $0\le v\le1$ . Then

$\vec r_u\times\vec r_v=2u\,\vec\imath+2v\,\vec\jmath+\vec k$

In the integral we get

$\displaystyle\iint_S\vec F\cdot\mathrm d\vec S$

$\displaystyle=\int_0^1\int_0^1(uv\,\vec\imath+v(4-u^2-v^2)\,\vec\jmath+u(4-u^2-v^2)\,\vec k)\cdot(2u\,\vec\imath+2v\,\vec\jmath+\vec k)\,\mathrm du\,\mathrm dv$

$\displaystyle=\int_0^1\int_0^1(4u-u^3+2u^2v+8v^2-uv^2-2u^2v^2-2v^4)\,\mathrm du\,\mathrm dv=\frac{713}{180}$

5 0

3 years ago

A key code must contain 6 numerals. There are 10 numerals available. Using these numerals, how many different key codes maybe cr

shutvik [7]

10/(10-6)=10/4.
(10*9*8*7*6*5*4*3*2*1)/(4*3*2*1)
Numbers that are in the numerator and denominator are cancelled out
10*9*8*7*6*5=151200 codes
* means multiply if you didn't know
The correct answer is D

Hope this helped :)

7 0

3 years ago

Is the point of intersection a solution?

Mars2501 [29]

The point of intersection is at (0,2)

3 0

3 years ago

84 is 35% of which of the following value

faust18 [17]

Answer:

28.56

Step-by-step explanation:

Feel free to give brainliest.

Have a great day!

7 0

3 years ago