Which of the following is the radical expression of?

Mathematics

1 answer:

SSSSS [86.1K]3 years ago

5 0

Answer:

The third answer

Step-by-step explanation:

Remember power over root and the 2 would not be under the root.

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Can someone help?

nydimaria [60]

Answer:

run = 1081.6 ft

Step-by-step explanation:

sin = opp/hyp

sin18 = 3500 / run

run = 3500 / sin18

run = 1081.6 ft

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3 years ago

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PLEASE HELP!!!! The problem is in the photo below.

Nataly_w [17]

B should be the correct answer

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3 years ago

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Jaime bikes 5 1/4 miles on Monday 6 7/8 miles on Tuesday and 8 1/2 miles on Wednesday if he continue the pattern how many miles

Shtirlitz [24]

<span>11 2/8 there is a 1 5/8 between each of them so you keep adding 1 5/8 miles each day.</span>

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3 years ago

What is the probability that it will be blue?

anastassius [24]

Since its out of 15 marbles all together and all you need to find is the probability of 3 blue marbles you would have to divide 3 by 15. The outcome would be 0.2 or in your case... B. - 0.20

4 0

3 years ago

a plane flying with the wind travels 630 mi in 1.5hrs. Flying against the wind , the plane travels 1120 mi in 4hrs. Find the rat

Flauer [41]

$\bf \begin{cases}
r=\textit{rate of the plane}\\
w=\textit{rate of the wind}\\
\end{cases}
\\\\

\begin{array}{ccccllll}
&distance&rate&time(hrs)\\
&\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\textendash\textendash\textendash\\
\textit{with wind}&630&r+w&1\frac{1}{2}\\
\textit{against wind}&1120&r-w&4
\end{array}
$

$\bf thus \begin{cases}
630=(r+w)1\frac{1}{2}\to 630=(r+w)\frac{3}{2}
\\\\
1120=(r-w)4\\
--------------\\
630=(r+w)\frac{3}{2}\implies 630\cdot \frac{2}{3}=r+w\\
420=r+w\implies \boxed{420-w}=r\\
--------------\\
thus\\
--------------\\
1120=(r-w)4\implies 1120=4r-4w
\\\\
1120=4(\boxed{420-w})-4w
\end{cases}
$

solve for "w", to find the wind's speed rate,

so hmmm what's the plane's rate? well 420 - w = r :)

5 0

3 years ago