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3 years ago

Evaluate (z^2)^4/5z^5 when z=5 and simplify

Mathematics

2 answers:

wariber [46]3 years ago

4 0

The answer to This question should be 25

Margarita [4]3 years ago

4 0

Answer: The answer should be 25.

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3/8 of the captain and musical have to sing what fraction of the cash does not have to sing

Nezavi [6.7K]

5/8 of them do not have to sing.
All of them equal 8/8, and now 3/8 are singing, so the rest (5/8) are not.

8/8 - 3/8 = 5/8

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3 years ago

Solve -5(8 – 0.5x) = -2(3 – 0.4x) HELP ASAP

svetlana [45]

Answer:

Step-by-step explanation:

if you want a explanation ask for it :)

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3 years ago

A parabola can be represented by the equation x2 = -20y.

aliya0001 [1]

Answer:

$\mathrm{Parabola\:focus\:given}\:x^2=-20y:\quad \left(0,\:-5\right)$

Step-by-step explanation:

Given the equation

$x2 = -20y$

A parabola is the locus of points such that the distance to a point the focus equals the distance to a line the directrix.

$4p\left(y-k\right)=\left(x-h\right)^2$ is the standard equation for an up-down facing parabola with vertex at (h, k), and a focal length |p|.

$x^2=-20y$

$\mathrm{Switch\:sides}$

$-20y=x^2$

$\mathrm{Factor\:}4$

$4\cdot \frac{-20}{4}y=x^2$

$4\left(-5\right)y=x^2$

$\mathrm{Rewrite\:as}$

$4\left(-5\right)\left(y-0\right)=\left(x-0\right)^2$

$\left(h,\:k\right)=\left(0,\:0\right),\:p=-5$

Parabola is symmetric around the y-axis and so the focus lies a distance\ p from the center (0, 0) along the y-axis.

$\left(0,\:0+p\right)$

$=\left(0,\:0+\left(-5\right)\right)$

$\mathrm{Refine}$

$\left(0,\:-5\right)$

Therefore,

$\mathrm{Parabola\:focus\:given}\:x^2=-20y:\quad \left(0,\:-5\right)$

Please check the attached figure too.

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3 years ago

Read 2 more answers

Tiffany has a 30% chance of winning a game. She uses random numbers to simulate a series of 7 games. In her simulation, the numb

fiasKO [112]

Answer:

C. 7269108

D. 0689271

E. 7042351

Step-by-step explanation:

If the number is 0,1 or 2, it is a win.

Otherwise, it is a loss.

Each number is a match.

A. 8531905

Two wins(0,1), 5 losses(8,5,3,9,5)

B. 4963184

One win(1), 6 losses(4,9,6,3,8,4)

C. 7269108

Three wins(2,1,0) and four losses (7,6,9,8)

D. 0689271

Three wins (0,2,1) and four losses (6,8,9,7)

E. 7042351

Three wins (0,2,1), four losses (7,4,3,5)

F. 9094562

Two wins (0,2) and five losses (9,9,4,5,6)

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4 years ago

What is the relationship that exist between two quantities in unit rate

Molodets [167]

If the relationship between two quantities is a proportional relationship, this relationship can be represented by the graph of a straight line through the origin with a slope equal to the unit rate.

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3 years ago

Read 2 more answers