MATHEMATICS HIGH SCHOOL

The measures of exterior angles of a regular polygon with n numbers of sides ______ as n increases.increases
decreases
remains the same,

Answers

Answer 1
Answer: the answer to this i increases.
Answer 2
Answer: The answer is Increases!

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1.- En la cooperativa escolar se vendieron 296 refrescos en total. Si los refrescos chicos vendidos fueron el triple de losmedianos. ¿Cuántos se vendieron de cada uno?​

Answers

Answer:

222 small ones and 74 middle ones

Step-by-step explanation:

The computation is shown below:

Let us assume medium ones be x

so the small ones be 3x

And, the total is 296

So, the equation is

x + 3 x = 296

4x = 296

Medium ones = x = 74

And, the small ones is = 3 × 74

= 222

You plan to study at least 1.5 hours for a geography test. Write an inequality that represents this situation.

Answers

where t = the amount of time you will study,

t ≥ 1.5 hours

A line in the Cartesian plane passes through the points (–2, 4) and (2, –1). What are the rise and the run of the line?a. The rise is –5, the run is 4.
b. The rise is –4, the run is –5.
c. The run is –5, the rise is 4.
d. The run is 4, the rise is 5.

Answers

Answer: a. The rise is –5, the run is 4.


Step-by-step explanation:

Given :- A line in the Cartesian plane passes through the points (–2, 4) and (2, –1)

Let (x_1,y_1)=(-2,4) and (x_2,y_2)=(2,-1)

We know that rise of a line = vertical change of points=change in the coordinates of y

=y_2-y_1=-1-4=-5

Run of line=horizontal change of points=change in the coordinates of x

=x_2-x_1=2-(-2)=2+2=4

Therefore, The rise is –5, the run is 4.
Hello,

C is the good answer.

Δy=-1-4=-5 is the rise

Δx=2+2=4 is the run.

Lisa is standing on a dock beside a lake. She drops a rock from her hand into the lake. After the rock hits the surface of the lake, the rock's distance from the lake's surface changes at a rate of -5 inches per second. If lisa holds her hand 5 feet above the lake's surface, how far from Lisa's hand is the rock 4 seconds after it hits the surface? Please show how you arrive at your answer

Answers

well, it goes 5 inches per second so after 4 seconds it is 4 times 5 =20 inches under the surface,  add that to 5 feet and you get 6 ft and 8 inches

Find the point that lies 1/8 of the way on the line A to B, given that A is at -14 and B is at 10.

Answers

Answer:

-11

Step-by-step explanation:

Find the distance from point A to point B.

|-14 - 10| = |-24| = 24

Now find 1/8 of the distance from A to B.

1/8 * 24 = 24/8 = 3

Add 3 to the coordinate of point A.

-14 + 3 = -11

Answer: -11

Answer:

the point that lies at 1/8 from A = -11

Step-by-step explanation:

       1/8      

        v

A --------------------|---------------B

-14                      0                10

14 + 10 = 24

1/8 x 24 = 3

distance from point A = 3

therefore,

the point that lies at 1/8 from A = -11

PLSSSSSSSSSSS HEEEEEELP????The mean of a set of normally distributed data is 600 with a standard deviation of 20. What percent of the data is between 580 and 620?

Answers

Answer:

The percentage of the data between 580 and 620 is 68.26 %

Step-by-step explanation:

Given,

Mean, \mu = 600,

Standard deviation, \sigma = 20,

Using the equation,

z-score=(x-\mu)/(\sigma)

Z-score for the data 580 = (580-600)/(20)

=(-20)/(20)

=-1

While, the z-score for the data 620 = (620-600)/(20)

=(20)/(20)

=1

Using normal distribution table,

P(580 < z) = 0.1587

Also, P(620 > z) = 0.8413

Hence, the percent of the data is between 580 and 620 = P(620 > z)  - P(580 < z)

= 0.8413  - 0.1587

= 0.6826

= 68.26 %
z = (X-Mean)/SD 
z1 = (580-600)/20 = - 1 
z2 = (620-600)/20 = + 1 
According to the Empirical Rule 68-95-99.7 
Mean +/- 1*SD covers 68% of the values 
Therefore, required percent is 68%
hopes this help :) :D :)
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