A bouncy ball is dropped such that the height of its first bounce is 6.25 feet and each

successive bounce is 80% of the previous bounce's height. What would be the height

of the 11th bounce of the ball?

Answers

Answer 1

Answer:

0.67 feet

Step-by-step explanation:

This question can be interpreted as find the 11th term of a geometry progression where a = 6.25 and r = 80%

So, we have:

[tex]T_n = ar^{n-1}[/tex]

In this case:

[tex]r - 80\% = 0.8[/tex]

[tex]n = 11[/tex]

So, we have:

[tex]T_{11} = 6.25 * 0.8^{11-1}[/tex]

[tex]T_{11} = 6.25 * 0.8^{10}[/tex]

[tex]T_{11} = 6.25 * 0.1073741824[/tex]

[tex]T_{11} = 0.67ft[/tex]

Hence, the height of rebound at the 11th time is approximately 0.67

Answer 2

Answer: 0.7

Step-by-step explanation:


Related Questions

Which decimal is greater than 0.15 and less than 0.7?
A. 0.81
B. 0.56
C. 0.76
D. 0.005​

Answers

Answer:

B. 0.56

Step-by-step explanation:

A. 0.81  > 0.7

B. 0.56  < 0.7 & 0.56 > 0.15

C. 0.76  > 0.7

D. 0.005​ < 0.15

1. Grace rode her bike 5 miles in 20 minutes. At this rate, how many miles can she ride her bike in 30 minutes? *
plz help and explain
2. Of the 50 players in a school band, 12% play a woodwind instrument. How many players play a woodwind instrument? * Both different questions

Answers

Answer:

14

Step-by-step explanation:

add the stuff together

Help me i don't understand this and i need a answer fast <3

Answers

Answer:

what grade r u in?

Step-by-step explanation:

A puzzle box has a height of 27 centimeters. It has a base with an area of 220 square centimeters. What is the volume, in cubic centimeters, of the puzzle box?

Answers

Answer:

5,940 cubic centimeters

Step-by-step explanation:

Volume of puzzle box

= Area of base*Height

= 220*27

= 5,940 cubic centimeters

Write the slope intercept form of the equation of the line through the given points

Answers

1) y = 2/3x - 2
2) y = -7/5x - 3
3) y = -3x + 1
4) y = -1/2x + 2

Someone please help ASAP

Answers

The answer to this question is Yes, No, Yes, No

6
Show how to find the product 0.19 x 109.

Answers

Answer: 20.71

Step-by-step explanation:

HURRY PLEAASEEE. 2x2 – 13x + 24 = 3

Answers

Answer:

7/2 and 3

Step-by-step explanation:

using quadratic formula

{-(-13) +- √(-13)^2 - 4(2)(21) } /2(2)

-(-13)+1 / 4 = 7/2

-(-13)-1 / 4 = 3

Answer: x = 7/2 and 3

Step-by-step explanation: Rewrite and factor

2x² —13x + 21 = 0

(2x - 7)(x - 3) = 0

2x - 7 = 0. x = 7/2

x - 3 = 0 x = 3

5c + d = c+ 4d find the ratio c:d

Answers

Answer:3c + 18d brainless pls

Step-by-step explanation:First, eliminate the parenthesis by multiplying each term within the parenthesis by the term outside the parenthesis:

3

(

5

c

+

4

d

)

+

6

(

d

2

c

)

(

3

5

c

)

+

(

3

4

d

)

+

(

6

d

)

(

6

2

c

)

15

c

+

12

d

+

6

d

12

c

Next, group like terms:

15

c

12

c

+

12

d

+

6

d

Now, combine like terms:

(

15

12

)

c

+

(

12

+

6

)

d

3

c

+

18

d,

The answer is 3:4.

Given:

[tex]\to 5c + d = c+ 4d[/tex]

To find:

c:d=?

Solution:

\to 5c + d = c+ 4d

simulating the identical terms:

[tex]\to 5c -c = 4d-d\\\\\to 4c = 3d\\\\\to \frac{c}{d} = \frac{3}{4}\\\\\therefore\\\to c:d= 3:4[/tex]

so, the ratio is 3:4

Learn more about the ratio:

brainly.com/question/4534527

Eleven more than four times a number is 23

Answers

3 is the original number
You have to do reverse operations
23-11=12
12/4=3

PLSSSSSSSSSSSSSSSSSSS HELP!!!!!!!!!!!!!!!!!!!!!!!!!!


__% of 4 is 7

Answers

Answer:0.57142857142

Step-by-step explanation:

Answer:

57.142857142857% is what i got but i could be wrong

Step-by-step explanation:

vonda has 6 pencils. lipe has 12 times as many pencils as vonda. let n equal the number of pencils lupe has?

which equation shows how many pencils lupe has

Answers

Answer:

i believe the answer would be 12 x 6 = n.

The price of a pair of shoes increases from $55 to $72. What is the percent increase to the nearest percent?
The percent increase is
%.

Answers

72 - 55 = 17

(17/55) x 100
= 1700/55
= 30.90909...
= 30.9% (3sf)

Answer: 55, 720

This is the answer. No doubt about it

Who pays more each month samantha or felipe

Answers

Answer:

felipe

Step-by-step explanation:

felipe is the answer because felipe. felipe is pay more than samamtha. its felipe

Answer:

Felipe

Step-by-step explanation:

felipe pays more than samantha will pay anyone.

Value of x in the equation 2(x+3)=4(x-1)?

Answers

Answer:

x = 5

Step-by-step explanation:

In this question, you would solve for x.

Solve:

2(x + 3) = 4(x - 1)

Use the distributive property.

2x + 6 = 4x - 4

Subtract 4x from both sides.

-2x + 6 = -4

Subtract 6 from both sides.

-2x = -10

Divide both sides by -2

x = 5

The value of x is 5.

A beverage company surveyed 450 adults to determine the demand for summer drinks.
How many people preferred drinking water?

A. 108 people
B. 174 people
C. 247 people
D. 276 people

Answers

Answer:

B

Step-by-step explanation:

total number of people minus people who prefer soda, iced tea, or lemonade= people who prefer water

450-101-67-108=174

Answer:

D: 276 preferred water

Step-by-step explanation:

Which of the following is not equivalent to x-y+z?
y-X+Y-Z
x+Z- y
z+x-y
Z- y + x​

Answers

Answer:

the first one

Step-by-step explanation:

look at the signs and then whatever one has the values with the wrong sign, is not the same

+x -y +z (what they need to be)

+y -x -z (not the same)

+x +z -y (the same)

+z +x -y (the same)

+z -y +x (the same)

i hope this helped :)

Which of the following statements is correct? Group of answer choices For day-to-day business data analysis, most firms rely on a large staff of expert statisticians. A statistical test result that is significant also has practical importance. A parameter is a measure that is calculated from a sample. Statistics is the science of believability.

Answers

Answer:

Step-by-step explanation:

From the answer choices available the answer that is correct is that for day-to-day business data analysis, most firms rely on a large staff of expert statisticians. This is because on a daily basis firms receive large sets of data from all of their business movements, therefore a large staff of highly experienced individuals is needed in order to handle and document all of these numbers carefully so that no mistakes are made. The smallest mistake in the firm's financial accounts can lead to a very costly loss for the company.

please god help me solve this, i cant fail this assignment lol. i have learning disabilities- mostly with mathematics so please explain this in the most simple way possible like ur speaking to a 2 year old

Answers

Answer:

B) 5.7

Step-by-step explanation:

The area of a square is found by multiplying its sides. Since a square has perfectly equal side lengths, you know that the square root of the area is equal to the side lengths. The area is 33. The square root of 33 is roughly 5.7. Hope that helps!

. If A = P + I, find l, when A= 4500 and P= 3750.

Answers

Answer:

Step-by-step explanation:

A = P + I

Putting values in the equation

4500 = 3750 + I

4500 / 3750 = I

1.2 = I

Answer:

I=750

Step-by-step explanation:

soln ,

here ,

A=4500

P=3750

I=?

Now,

A=P+I

or,4500=3750+I

or,I=4500-3750

•°•I=750

hope this helps^-^

A city has a 5% sales tax.

A book costs $32.55 after tax.

How much did it cost before tax?
*please answer quick and tell me how you did it*

Answers

Answer: $30.92

Step-by-step explanation:

First step is to turn 5% into a decimal so that you can use it easier in a math sentence -- 0.05

Next, find out what 5% of $32.55 is by multiplying

0.05 x 32.55

= 1.6275

Round to the nearest cent because we don't use anything smaller than a cent when we are talking about money.

= $1.63

This is the amount of tax included in the price of $32.55

If we want to know what it the book cost before tax we simply take the tax off.

$32.55 - $1.63

= $30.92

Hope that helps :)

What is the reciprocal of 5/6​

Answers

Answer:

6/5

Step-by-step explanation:

Answer:

The reciprocal of 5/6 would be 6/5

10 Select the answer from the menu.

The equations y = 7x – 2 and 14x – 2y = 3 represent

(A) parallel lines

(B) perpendicular lines

(C) the same line

(D) intersecting, non-perpendicular lines

Answers

Answer:

Parallel lines

Step-by-step explanation:

The standard form of equation of a straight line is expressed as:

y = MX+c

m is the slope

Given the equations

y = 7x – 2

On comparison;

m = 7 i.e the slope of the line is 7

For the line 14x – 2y = 3

First write in standard form

-2y = -14x +3

y = -14x/-2 + 3/-2

y = 7x- 3/2

Hence the slope is also 7

Since both equations have the same slope hence they are parallel lines(Parallel lines have the same slope)

A chef had 4/5 pound of ground beef to make burgers. Each burger was made with 1/8 pound of ground beef. Chris says that the chef can make 7 full burgers and Trisha says that the chef can only make 6 full burgers

Answers

Answer:

6

Step-by-step explanation:

If you divide 4/5 divided by 1/8 you get 6.4. Therefore, you can only make 6 full burgers.

Plz very much help
last week, Haley scored 15 points. Haley increased her points 20% during her game this week compared to last week. How many points did she score this week?

Answers

Answer:

18

Step-by-step explanation:

15 + 20% = 18

If Hailey increased her points by 20%, she would score 18 points this week. Therefore, what we need to do is to multiply 15 by 0.20. How did we get 0.20? Well, we divided 20 by 100 to get 0.20. Anyway, once we have multiplied 15 by 0.20, we get 3. However, this answer would not be logical because she increased her points by 20% - we are going up and not down. So, we add 15 and 3 together to get a total of 18 points scored.

3= g/-4 - 5 solve for g

Answers

Answer:

g= - 27

Step-by-step explanation:

im not 100% sure but i think g=12

PLS Help PLSSS pllssssss

Answers

Answer:

$4.42

Step-by-step explanation:

hope that helps :))

Please give answer and graph

Answers

Answer:

x>10/4

Step-by-step explanation:

When you combine like terms, you get 10>4x and then divide by 4 and you get x>10/4. To plot this, you put an open point on 10/4 and highlight everything to the right of it with an arrow.

Given the expression 1/4 - 3/5, select the addition problem that is equivalent to it.

Answers

-7/20
The answer and I will explain in the comment

PLEASE ANSWER ASSAP!!!!!!!!!!!!!!!! WILL GIVE BRAINLEST!!!!!!!!!!!!!!!!!!!

Answers

Answer:B

Step-by-step explanation:

Vertical angles are equal, so 4x - 20 = 60

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