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Volgvan
3 years ago
13

At a little-know vacation spot, taxi fares are bargain. A 28 mile tail ride takes 32 minutes and cost $22.40. You want to find t

he cost of a 35 minute taxi ride. What unit price do you need
Mathematics
1 answer:
hram777 [196]3 years ago
5 0
I forgot How to do this Imao
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1) A school has 1600 students and they are going to vote as to whether they will completely convert the school completely off fo
fredd [130]

Answer:

Standard deviation of the students = 0.408

The students would you have to poll to be 95% confident of the outcome within /- 2% of the vote  

         = 0.408 X 1600

         = 652.8    

Step-by-step explanation:  

<u><em>Step(i):</em></u>-

Given sample size 'n' = 1600

95% confidence interval of the margin error is determined by

                      M.E = \frac{Z_{0.05} S.D}{\sqrt{n} }

Level of significance = 0.05

Z₀.₀₅ = 1.96

Given Margin of error = 2% = 0.02

       M.E = \frac{Z_{0.05} S.D}{\sqrt{n} }

       0.02 = \frac{1.96 X S.D}{\sqrt{1600} }

      0.02 X √1600 = 1.96 X S.D

       S.D = \frac{0.02X\sqrt{1600} }{1.96} = 0.408

Standard deviation of the students = 0.408

The students would you have to poll to be 95% confident of the outcome within /- 2% of the vote  

         = 0.408 X 1600

         = 652.8  

5 0
2 years ago
Rachel is drawing a square. She draws a circle with a compass setting of r units. Which of the following is the next thing Rache
natka813 [3]

Answer:

<em><u /></em>

  • <em><u>A. Draw a diameter of the circle. </u></em>

Explanation:

To<em> draw a square</em> you can <em>draw a circle</em> with a <em>compass</em> and then construct the inscribed square.

You can construct an inscribed square with a compass and a straightedge.

The <u>first step</u> is to draw the circle.

The <u>next</u> step is to <em>draw a diameter</em> (any line that passes through the center of the circle, which you marked when drew the circle). Hence, this is the correct answer to the queston, and it is described by the choice A.

After that, you will be able to draw the perpendicular bisector of the diameter. The two diameters drawn will mark four equidistant points on the circle which will be the four vertices of your square.

Finally, you just must join the adjacent vertices with the straightedge.

6 0
3 years ago
102% of 250 please tell me
Lerok [7]
102% of 250 = 255            Hope this helps  ( :
4 0
3 years ago
Read 2 more answers
Which factor or factors listed below are external influences on a loan's interest rate?
kari74 [83]

Answer:

The answer is D

Step-by-step explanation:

I just did this on edg

7 0
3 years ago
Read 2 more answers
Apparently Nobody is able to answer this question. You can search it up but I've tried that already, still no answer.
damaskus [11]

Answer:

if it is odd then multiply it by 3 and add 1, and if it is even, divide it by 2. Then repeat this process as long as you can.

Step-by-step explanation:

hope dis helped:)

8 0
1 year ago
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