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Rasek [7]
3 years ago
14

A school is arranging a field trip to the zoo. The school spends 615.65 dollars on passes for 33 students and 2 teachers. The sc

hool also spends 290.07 dollars on lunch for just the students. How much money was spent on a pass and lunch for each student?
Mathematics
1 answer:
Aneli [31]3 years ago
3 0

Answer:

the answer is $26.38

Step-by-step explanation:

I hope this helps!

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A political candidate has asked his/her assistant to conduct a poll to determine the percentage of people in the community that
Delvig [45]

Answer: The size of sample of 193 is needed.

Step-by-step explanation:

Since we have given that

Margin of error = 6%

At 90% confidence level, z = 1.645

Let p = 0.5

and q = 0.5

( because it is the most conservative estimation).

So, using formula, we get :

e=z\times \sqrt{\dfrac{p(1-p)}{n}}\\\\0.06= 1.645\times \sqrt{\dfrac{0.5\times 0.5}{n}}\\\\\dfrac{0.06}{1.645}=\sqrt{\dfrac{0.25}{n}}\\\\(0.036)^2=\dfrac{0.25}{n}\\\\n=\dfrac{0.25}{0.036^2}\\\\n=192.9\\\\n=193

Hence, the size of sample of 193 is needed.

8 0
3 years ago
Solve the equation <br><br> X^2= 160 <br><br> Please help!
vaieri [72.5K]
To find X you need to square root 160 and X so your answer should be 12.6 which is rounded. Tell me if this helps
6 0
4 years ago
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The length of a rectangle is twice its width. if the perimeter of the rectangle is 48 yd , find its area.
Katarina [22]
X = width
2x = length

2x + 4x = 48
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Your answer should be that the area is 128 square yards. Hope this helps!
7 0
3 years ago
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Nady [450]

Answer:

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Step-by-step explanation:

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Distance is calculated in the Euclidean sense.

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The Euclidean distance between the two points is given by:

D = \sqrt{(5-4)^2 + (3-4)^2} = \sqrt{2}\text{ units}

Thus, the Euclidean distance between the two given points is \sqrt{2}\text{ units}.

5 0
3 years ago
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