3 years ago

Rewrite in simplest rational exponent form √x • 4√x. Show each step of your process.

Mathematics

1 answer:

pantera1 [17]3 years ago

7 0

Multiplying these together, we get:

$4 \sqrt{x^2}$

The square root of x^2 is x, so we have a final expression of 4x.

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The volume of this cone is 3,183.96 cubic meters. What is the height of this cone?

Rom4ik [11]

Answer:

height = 18m

Step-by-step explanation:

cone volume = 3183.96 m³

1/3 πr²h = 3183.96

1/3×3.14×13×13×h = 3183.96

h = 3183.96×3/13×13×3.14

h = 9551.88/530.66

h = 18

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2 years ago

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choli [55]

Answer:

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Step-by-step explanation:

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2 years ago

Y is directly proportional to x,and y=216 when x=2. Find y when x=7.

makkiz [27]

$\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=216\\
x=2
\end{cases}\implies 216=k2\implies \cfrac{216}{2}=k
\\\\\\
108=k\qquad therefore\qquad \boxed{y=108x}
\\\\\\
\textit{when x = 7, what is \underline{y}?}\qquad y=108(7)$

6 0

3 years ago

the tama japan monorails carries 92700 riders each day if the monorails runs 18 hour each what is the average number of passenge

Bas_tet [7]

In 18 hours = 92700

In 1 hour it would be: 92700/18 = 5150 riders

3 0

3 years ago

Read 2 more answers

Paula’s entire family came to her birthday party. There were 17 people there. Paula’s parents bought enough mini-sandwiches for

djverab [1.8K]

Answer:

102

Step-by-step explanation:

Paula's parents bought 102 mini-sandwiches. When I multiplied 17 by 6, I got 102. To check my answer, I divided 102 by 6 and got 17.

17x6=102

102/6=17

Hope this helps:)

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2 years ago