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4 years ago

What is true about 5–√?

Mathematics

2 answers:

Studentka2010 [4]4 years ago

8 0

Answer:

It is unsolvable because there is nothing after the square root symbol.

aniked [119]4 years ago

8 0

Answer:

The last one (For Imagine Math)

5–√ is irrational. Its decimal equivalent does not terminate or repeat.

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PLEASE SHOW WORK

Dmitrij [34]

Answer:

Below in bold

Step.-by-step explanation:

It consists of 5 isosceles triangles of equal sides 4 cm and vertex angles 360 / 5

= 72 degrees.

Area of 1 triangle = 1/2 * 4^2 *sin 72

Area of the whole pentagon = 5 * 1/2 *4^2 * sin 72

= 38.04 cm^2.

6 0

2 years ago

This extreme value problem has a solution with both a maximum value and a minimum value. Use Lagrange multipliers to find the ex

pashok25 [27]

Answer with Step-by-step explanation:

We are given that

$f(x,y,z)=10x+10y+3z$

$g(x,y,z)=5x^2+5y^2+3z^2=43$

We have to find the extreme values of the function.

$f_x(x,y,z)=10,f_y(x,y,z)=10,f_z(x,y,z)=3$

$g_x(x,y,z)=10x,g_y(x,y,z)=10y,g_z(x,y,z)=6z$

$\Delta f(x,y,z)=\lambda \Delta g(x,y,z)$

Therefore,

$10=\lambda 10x\implies x=\frac{1}{\lambda}$

$10=10y\lambda\implies y=\frac{1}{\lambda}$

$3=6z\lambda$

$z=\frac{1}{2\lambda}$

Substitute the values in g(x)

Then, we get

$\frac{5}{\lambda^2}+\frac{5}{\lambda^2}+\frac{3}{4\lambda^2}=43$

$\frac{20+20+3}{4\lambda^2}=43$

$\frac{43}{4\lambda^2}=43$

$\lambda^2=\frac{43}{4\times 43}$

$\lambda=\pm\frac{1}{2}$

When $\lambda=\frac{1}{2}$ then,

$x=2,y=2,z=1$

When $\lambda=-\frac{1}{2}$

Then, $x=-2,y=-2,z=-1$

$f(2,2,1)=10+10+3=23$

$f(-2,-2,-1)=-10-10-3=-23$

Hence, maximum value of f(x,y,z) is 23 at (2,2,1) and minimum value of f(x,y,z) is -23 at (-2,-2 ,-1).

8 0

4 years ago

Sujan bought 16 pens for Rs256. how much would he have to pay for one pen he buys next time?<br>

Elodia [21]

Step-by-step explanation:

.......................

7 0

3 years ago

Read 2 more answers

What is 5x6 equal too?

alexgriva [62]

Answer:

Step-by-step explanation:

6+6+6+6+6 or 5+5+5+5+5+5

3 0

3 years ago

Read 2 more answers

sector with a radius 18cm has an area of 234pie cm2. What is the central angle measure of the sector in degrees?

Pani-rosa [81]

Answer:

260 degrees

Step-by-step explanation:

i just did the problem on khan academy so yeah

4 0

3 years ago