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slava [35]
3 years ago
8

What is the length of r?

Mathematics
1 answer:
muminat3 years ago
5 0
I don't understand your question. can you make it clear
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A ball is dropped from a height of 8 feet. If every time it bounces, it bounces 60% of its previous height, what is the total di
vladimir1956 [14]

Answer:

<h3>20feet</h3>

Step-by-step explanation:

Initial height of the ball = 8feet

If it bounces 60% of its previous height, its new height will be;

60% of 8

= 60/100 * 8

= 480/100

= 4.8 ft

If it bounces 60% of its current distance, new height will be expressed as;

60% of 4.8

= 0.6 * 4.8

= 2.88

The height of the ball will keep reducing and form a geometric progression of the form 8, 4.8, 2.88...

In order to get the total distance traveled by the ball, we need to calculate the sum to infinity of the sequence;

S∞ = a/1-r where;

a is the first term = 8

r is the common ratio

r = \frac{4.8}{8} = \frac{2.88}{4.8}\\r =  0.6

Substitute into the formula;

S∞ = a/1-r

S∞ = 8/1-0.6

S∞ = 8/0.4

S∞ = 20feet

Hence the total distance traveled by the ball is 20feet

8 0
3 years ago
Can someone help me with this problem? Its due today plz i need help! I will give brainlist if it is right!
d1i1m1o1n [39]

Answer:

A (-4,0), B (0,3) and C (-6,5)

Step-by-step explanation:

The coordinates for A are (-4,-3) B (0,0) and C (-6,2)

From there just add 3 to all theY values

The coordinates of the translated triangle would be A (-4,0), B (0,3) and C (-6,5)

Hope that helps!

7 0
3 years ago
Principal Watts walks 5 miles every day. How many miles does he walk in 1 year, or 365 days. write and solve an equation
Harman [31]
1,825 miles per year.

y = 5x

x = days

y = 5 ( 365 )

1,825 = 5x
6 0
3 years ago
Read 2 more answers
A six sided dice is rolled twice.
Anni [7]

Answer: 1/6 chance

Step-by-step explanation:

FIRST ROLL:

even numbers are 2, 4, and 6

3/6 or 1/2 chance of rolling even (50%)

SECOND ROLL:

numbers greater than 4 are 5 and 6

2/6 or 1/3 chance of rolling a number greater than 4 (33 1/3%)

MATH:

1/3*1/2 = 1/6 or about 16-17%

7 0
2 years ago
Is statistics mathematics or science? defend your answer.
Simora [160]

Answer:

There are few kind of statistics: first of all - Mathematiсal statistics. This is quite a mathematical science.

Its applications widely used in many branches of science. First of all (for me) in measurement theory. When used correctly, there is no objection to this science and its methods.

The use in the so-called "social sciences", primarily in sociology, raises many questions: first and foremost - how representative is the "sample"? To what extent does the question asked by the respondent dictate the “correct” (expected) answer? And so on. Of course, this is not a statistic, but mostly a science-like hype, covering up the absence of objective methods.

Hope this helps <3

3 0
3 years ago
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