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Alborosie
3 years ago
6

)Eve takes a random sample of 100 students in her school and finds that 82% of the sample prefers band over chorus. There are 1,

100 students in the school. Based on the sample proportion, how many students in the school would be expected to prefer band over chorus?
82
100
1,100
902
Mathematics
2 answers:
ivann1987 [24]3 years ago
8 0

Answer:

It is d

Step-by-step explanation:

Alexxandr [17]3 years ago
3 0
We multiplied 11 x 82 ( which was the percentage), based on 100 ppl and their is 11 times as many ppl. 11 x 82 is 902
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Can someone please help me :)
Bas_tet [7]

Answer:

2\sqrt{13}

Step-by-step explanation:

12x12 = 144

14x14 = 196

144 + ? = 196

196 - 144 = 52

\sqrt{52} = 2\sqrt{13}

3 0
3 years ago
Find the slope of the line going through the point (0,3) and (0,4)
telo118 [61]

Answer:

undefined

Step-by-step explanation:

To find the slope of the line between two points, use the slope formula \frac{y_2-y_1}{x_2-x_1}. x_1 and y_1 represent the x and y values of one point the line passes through, and x_2 and y_2 represent the x and y values of another point the line also passes through. Therefore, use the x and y values of the points (0,3) and (0,4) to find the slope. Substitute them into the formula in the right order:

\frac{(4)-(3)}{(0)-(0)} \\= \frac{4-3}{0-0}\\=\frac{1}{0}

However, we can't divide 1 by 0. Therefore, the slope is undefined. (You could also graph the points to see that they form a vertical line, and all vertical lines have an undefined slope.)

5 0
3 years ago
Read 2 more answers
The local taxi charges $3.00 plus $1.25 for every mile traveled. Determine whether the function is proportional or non proportio
miss Akunina [59]

Answer:

a

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Savannah filled
denpristay [2]

Answear:

G=T hope dissssssssss helps

5 0
3 years ago
A typical running track is an oval with 74-m-diameter half circles at each end. a runner going once around the track covers a di
denpristay [2]

Answer:

Her centripetal acceleration during the turn at each end of the track is 0.432\, \frac{m}{s^{2}}

Step-by-step explanation:

Total distance covered in one round , D= 400 m

Time taken to cover one round , T = 1 min 40 s = 100 sec

Speed of runner , V=\frac{D}{T}=\frac{400}{100}\, \frac{m}{s}= 4.0\, \frac{m}{s}

Now centripetal acceleration is given by

a_c=\frac{V^{2}}{R}

where V= 4.0\frac{m}{s}

Radius, R= \frac{Diameter}{2}=\frac{74}{2}m=37\, m

\therefore a_c=\frac{4^{2}}{37}\, \frac{m}{s^{2}}=0.432\, \frac{m}{s^{2}}

Thus her centripetal acceleration during the turn at each end of the track is 0.432\, \frac{m}{s^{2}}

4 0
3 years ago
Read 2 more answers
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