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zhannawk [14.2K]
3 years ago
12

While fishing on the weekend, Sunita and her sister caught 40 fish. Of those fish, 12 were too small to keep. These fish were re

turned to the water. What percent of the fish caught did Sunita and her sister return to the water? Enter your answer in the box. %
Mathematics
2 answers:
eimsori [14]3 years ago
6 0
70% I divided 28/40 and you get 70% after multiplying by 100
Nesterboy [21]3 years ago
5 0
\frac{12}{40}*100\%=\frac{1200}{40}\%=30\%
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I believe the answer is 16/9
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3 years ago
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Find two unit vectors orthogonal to both given vectors. i j k, 4i k
Maurinko [17]
The cross product of two vectors gives a third vector \mathbf v that is orthogonal to the first two.

\mathbf v=(\vec i+\vec j+\vec k)\times(4\,\vec i+\vec k)=\begin{vmatrix}\vec i&\vec j&\vec k\\1&1&1\\4&0&1\end{vmatrix}=\vec i+3\,\vec j-4\,\vec k

Normalize this vector by dividing it by its norm:

\dfrac{\mathbf v}{\|\mathbf v\|}=\dfrac{\vec i+3\,\vec j-4\,\vec k}{\sqrt{1^2+3^2+(-4)^2}}=\dfrac1{\sqrt{26}}(\vec i+3\,\vec j-4\vec k)

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6 0
3 years ago
Need help? as soon as possible
Citrus2011 [14]

Answer:

\sqrt{29}=5.385 (must look at the requirement of the test as how many decimal...)

Step-by-step explanation:

the squared is equal to 29 means area=29

square has four side equal.

Area=side * side

5 0
3 years ago
In the figure, two poles are 25 m and 35 m high. A cable 23 m long Joins the tops of the poles. Find the distance between the po
sukhopar [10]

Answer: 20.71 m

Step-by-step explanation:

Given

the length of the poles are 25m and 35 m

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From the figure, apply Pythagoras theorem

\Rightarrow 23^=x^2+10^2\\\Rightarrow 529-100=x^2\\\Rightarrow x^2=429\\\\\Rightarrow x=\sqrt{429}=20.71\ m

Distance between Poles is 20.71 m

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almond37 [142]

Answer:

147?

Step-by-step explanation:

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