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qwelly [4]
4 years ago
6

Simplify. Remove all perfect squares from inside the square root. √56z7

Mathematics
1 answer:
SVETLANKA909090 [29]4 years ago
4 0

Answer:

= 2z^3\sqrt{14z}

Step-by-step explanation:

= \sqrt{56z^7}

= \sqrt{14*2^2*z^6*z}

= 2z^3\sqrt{14z}

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12.6

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Two sides of a right triangle measure 2 units and 4 units.
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Se generan ondas, introduciendo en agua el borde de una regla 15 veces en 3.0 segundos. Calcular: a) el periodo de las ondas b)
Ne4ueva [31]

Answer:

Ver explicacion

Step-by-step explanation:

La frecuencia de una onda se define como el número de ciclos completos que realiza una partícula en un segundo.

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6 0
3 years ago
A jar has 5 red marbles, 3 blue marbles, and 2 green marbles. what is the probability that you would choose a red marble, return
denis23 [38]

Answer:

In Fraction  = 10/100  simplified =  1/10

Decimal = 0.1

Percentage = 10%

Step-by-step explanation:

We add all marbles = 5+ 3+ 2 = 10

Event 1 = Red  = 5/10

Event 2 = Green = 2/10

We follow this path and multiply =  2 x 5 /  10 x 10 =  10/100 = 1/10

5 0
3 years ago
Find the volume (in terms of pi) of a sphere of its surface area is 400 pi ft2
elixir [45]

\bf \textit{surface area of a sphere}\\\\ SA=4\pi r^2\qquad \qquad \implies \stackrel{SA}{400\pi }=4\pi r^2\implies \cfrac{400\pi }{4\pi }=r^2 \\\\\\ 100=r^2\implies \sqrt{100}=r\implies \boxed{10=r} \\\\\\ \textit{volume of a sphere}\\\\ V=\cfrac{4\pi r^3}{3}\qquad \qquad V=\cfrac{4\pi \boxed{10^3}}{3}\implies V=\cfrac{4000\pi }{3}

8 0
3 years ago
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