MATHEMATICS HIGH SCHOOL

If R, S, and T are collinear and RS + ST = RT, which of the following is true? A. T is between R and S.B. RS=RT
C. S is the midpoint of.
D. S is between R and T.

Answers

Answer 1
Answer: The answer is D. S is between R and T.

Imagine a line, which a starting point is R and a final point is T. And somewhere in between a point S. 
The total distance is RT (from the starting to the final point).
The distance RS is one part of the line, and the distance ST is the other part of the line. If these two distances sum up, you will get the total distance:
RS + ST = RT

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Round 65.765 to the nearest hundredth.

Answers

65.77 is the answer...

Answer:

answer is 65.77

Step-by-step explanation:

in decimals, we start by the first digit after the decimal as tenths with TH so that's why we add one to six because 5 is more if it could be a number less than 5 we assume no adding.

hopedithelped.

Marny can type 20 words in 1/3 of an hour. How many words can she type per hour? *​

Answers

Answer:

60 words

Step-by-step explanation:

20*/X3=60

Answer:

60 words

1/3 of an hour is 20 minutes

20 words every 20 minutes is 1 word per minute, 60 minutes is 60 words.

OR

20 = 1/3 (hour)

x3

60= 1 (hour)

A ball is dropped from a certain height. The function below represents the height f(n), in feet, to which the ball bounces at the nth bounce:f(n) = 9(0.7)n

What does the number 0.7 represent?

The ball bounces to 30% of its previous height with each bounce.
The height at which the ball bounces at the nth bounce is 0.3 feet.
The ball bounces to 70% of its previous height with each bounce.
The height from which the ball was dropped at the nth bounce is 0.7 feet.

Answers

Answer:

  The ball bounces to 70% of its previous height with each bounce.

Step-by-step explanation:

In physics terminology, the number 0.7 is the coefficient of restitution. It is the ratio of the height of bounce (n+1) to the height of bounce (n).

The meaning of the number is that the ball bounces to 70% of the height of the previous bounce.

Answer:

The ball bounces to 70% of its previous height with each bounce.

Step-by-step explanation:

A ball is dropped from a certain height. The function below represents the height f(n), in feet, to which the ball bounces at the nth bounce:

f(n) = 9(0.7)n

The number 0.7 represents that the ball bounces to 70% of its previous height with each bounce.

You can model the population of a certain city between the years 1965 and 1995 by the radical function P(x)= 75,000 cubed root of (x-1940) . Using this model, in what year was the population of that city 245,000?

Answers

P(x)= 75,000*(x-1940)^(1/3)
then the P = 245000 means

245000 = 75,000*(x-1940)^(1/3)
(245000/75000)^3 + 1940 = X
X ≈ 1974

What percent is 150 sq ft of 3000 sq ft

Answers

150/3000 = /.05
.01 = 1%
.05 = 5%
5%

What is 0.25 kilometers expressed in centimeters?a. 25000 cm
b. 250 cm
c. 0.000025 cm
d. 2500 cm

Answers

Answer:

The answer is A.25000

Step-by-step explanation:

In order for kilometers to centimeters you need to mover the decimal place to the right 5 times. When you do that 0.25 becomes 25000.
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