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svp [43]
3 years ago
10

You want to estimate the number of students in your school who support extra funding for the history club. You survey every nint

h student who enters the
school.
Determine whether the sample is based or unbiased
Mathematics
1 answer:
Lyrx [107]3 years ago
4 0

Answer:

unbiased

Step-by-step explanation:

it would be biased if you lets say survey the history club kids

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Determine the measure of ∠Y. images attached
Gwar [14]

Answer:

<h3>The answer is option C</h3>

Step-by-step explanation:

Since it's a right angled triangle we can use trigonometric ratios to find the value of ∠Y

To find the value of ∠Y we use tan

We have

\tan(∠Y)  =  \frac{25}{20}  \\  \tan(∠Y)  =  \frac{5}{4}  \\ ∠Y =  { \tan^{ - 1} } \frac{5}{4}  \\ ∠Y = 51.34019...

We have the final answer as

<h3>51.34°</h3>

Hope this helps you

5 0
2 years ago
Read 2 more answers
A box has a volume of 30 cubic cm. the box is filled with unit cubes, with no gaps or overlaps. each unit cube measures 1 cm in
aksik [14]

Answer:

C. 30.

Step-by-step explanation:

Each cube has a volume  of 1 * 1* 1 = 1 cu cm.

The answer is 30 unit cubes because 30 *1 = 30.

7 0
3 years ago
Write an equation in point-slope form and slope - intercwpt form for passes through (1,9),slope =2
GrogVix [38]

point slope form

y-y1 = m(x-x1)

y-9 = 2(x-1)


change to slope intercept form

y-9 = 2(x-1)

distribute

y-9 = 2x-2

add 9 to each side

y = 2x-2+9

y = 2x+7

4 0
3 years ago
Read 2 more answers
How do I do this!!!!!
-BARSIC- [3]

Pyramid Surface Area = (½ * Perimeter of Base * Slant Height) + Base Area

Base perimeter = 4 * 18 = 72 inches
Base Area = 18*18 = 324 square inches

Pyramid Surface Area = (.5 * 72 * 12) + 324
Pyramid Surface Area = 432 + 324
Pyramid Surface Area = 756 square inches

Source:
http://www.1728.org/volpyrmd.htm



4 0
3 years ago
Is the equation y + 1 equals 7 (x + 2) in point slope form​
Viefleur [7K]

Answer:

y= 7x + 13

Step-by-step explanation:

first the outside number which is 7 and time it by x then that will give you 7x

next times 7 with 2 and that will give you 14

then subtract 14 from 1 then it will give you 13

therefore your answer is y=7x+13

3 0
2 years ago
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