After a bicycle tire has done 10 rotations, it has traveled 879.2 inches. Write and solve an equation to find the radius of the tire.

Answers

Answer 1

Answer:

14in approx

Step-by-step explanation:

Given data

number of rotations= 10

Distance travelled=  879.2 inches

Hence if in 10 rotations the distance covered is  879.2 inches

               in 1 rotation the distance covered will be x inches

cross multiply

10x= 879.2

x=  879.2/10

x=  87.92 inches

This means that the circumference of the  tire is 87.92 in

From

C= 2πr

Let us solve for r

87.92=2*3.142*r

87.92=6.284r

r= 87.92/6.284

r= 13.9

Hence the radius is 14in approx


Related Questions

Joey has 10 pairs of socks in his drawer. seven of them are white. what percent of colored socks does joey have?

Answers

I’m pretty sure it’s 30%

Answer:

30% of Joey's socks are colored.

Step-by-step explanation:

7/10 x 10

= 70/100

100-70= 30%

Betsy has $4.25 and her brother has $16.00 they want to buy two water guns that cost $12.99 each and a bag of water balloons that cost $4.79. Do they have enough money if so how much money will they have left over. If not how much more money will they need?

Answers

Answer:

No they don't have enough money, they need $10.52

Step-by-step explanation:

So first, you will add 4.25+ 16.00 = $20.25 < This is the amount they have.

Second, they want two water guns so 12.99 x 2 = 25.98 < This is the price for the water guns.

Then, add the price of the water ballons to the guns which is $30.77 < This is the cost for everything they want to buy.

Subtract $30.77 from $20.25 to recieve the answer of $10.52

Hope this helps!

A grocery store clerk put only packages of glazed donuts and packages of chocolate donuts on a shelf. The ratio of the number of packages of chocolate donuts to the total number of packages on the shelf was 5 to 12. Which number could be the number of packages of glazed donuts the clerk put on the shelf?

Answers

Answer:

7 packages of glazed donuts

Step-by-step explanation:

A grocery store clerk put only packages of glazed donuts and packages of chocolate donuts on a shelf. The ratio of the number of packages of chocolate donuts to the total number of packages on the shelf was 5 to 12.

From the ratio that is given as

The number of packages of chocolate donuts = 5

The total number of packages = 12

The number could be the number of packages of glazed donuts the clerk put on the shelf is calculated as

Total number of packages - Number of chocolate donuts

= 12 - 5

= 7 packages of glazed donuts

Alyssa swims 3 laps in 12 minutes. At this same
rate, how many laps will she swim in 30 minutes?

Answers

Answer:

I think 7

Step-by-step explanation:

By the way I'm a swimmer, and even I could swim 3 laps under 12 minutes. This poor girl is slow...


Starting money = $350.
Interest rate = 2.5%
Time - 3 years.
How much interest?
a) $7.50
b) $26.25

Answers

Answer:

Step-by-step explanation:

I=Prt

I=350(0.025)3

I=$26.25

How much wrapping paper is needed to cover a box (rectangular prism) that measures 6 feet by 2.5 feet by 3 feet?

Answers

Answer:

81 feet ²

Step-by-step explanation:

Given that:

Dimension of rectangular prism :

6 feets by 2.5 feets by 3 feets

To obtain the amount of wrapping paper required to cover the box ; we find the area of the box ;

Area of box = 2(wl + hl + hw)

Area of box = 2(6*2.5 + 6*3 + 2.5*3)

Area of box = 2(15 + 18 + 7.5)

Area of box = 81 feet²

Please help ! This is due today .

Answers

Hey! In the first box, color 4 squares blue. I am not really sure exactly how many to color blue in the second one, but I would go with coloring 2 blue. In the third box, do not mark any squares blue. Hope this helps!

Answer:

Step-by-step explanation:

1)  because there are 10 total boxes in box 1  and they want 2/5 of them color in 4 boxes to make 4/10  which can reduce to 2/5

2) they say make it unlikey that a blue box will be picked.. so color in one box

3) now don't color any of the boxes.. so no matter which boxes is picked.. there isn't any blue ones. :)

A trapezoid has an area of 200 square inches

The larger base is 14 in and the height is 16 in find the smaller base of the trapezoid.

A. 11in²
B. 11in
C. 12.5in
D. 12.5in²​

Answers

Answer:

B 11in

Step-by-step explanation:

Area of trapezoid is

[tex] \frac{1}{2} (h)(b _1 + b_2)[/tex]

The ratio of yellow flowers to the total number of flowers in a bucket is 5 to 9. How many flowers are yellow if there are 45 lowers in all

Answers

Hey y’all are you doing this morning I just got home from school and I’m just going to sleep in the morning I woke you to the sleep I love y’all I woke you to the sleep bye love y’all I woke

Answer:

There are 25 yellow flowers.

Step-by-step explanation:

The ratio is yellow/all and 5/9.

We know that all the flowers in total equal 45, which is a multiple of 9.

So 45 divided by 9 = 5.

So all I had to do was multiply 5/9 times 5/5.

So then we get the ratio of 45 total flowers with 25 yellow flowers.

Hope this helps!

The rational and the irrational numbers together are called whole numbers. true or false

Answers

the answer is false

Step-by-step explanation:

natural numbers and zero are whole numbers

The answer is false

|x+3| x>5
now can you plz just give the answer

Answers

Answer: I would love to help you but I am confused on what you mean by the question.

Step-by-step explanation:

3(b + 8) = b + 48 PORFAVOR con plantamiento operacion y resultado, y de paso me explique el temas nsd9ucancuqna :( amaba matematicas. doy corona

Answers

Answer:

b=12

Step-by-step explanation:

3b +24= b +48

       -24       -24

   3b =  b+ 24

   -b      -b

2b = 24

÷2     ÷2

b=12

What are the coordinates of the image D(0.5, R) (3, 5) where R(1, –3) is the center of dilation?

Answers

Answer:

(2 , 1)

Step-by-step explanation:

dilation center: (1 , -3)

scale factor: 1/2    (0.5)

Final coordinate (x' , y') is the mid-point of segment (3 , 5) and (1 , -3)

x' = (3+1)/2 = 2

y' = (5 + -3) / 2 = 1

PLSSS HELPPP MEE I WILL GIVE BRAINLIEST OR A LOT OF POINTS

Answers

Answer:

c

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

c is your answer hope it helps you

Which points are the vertices of the ellipse?
points G and H
points J and K
O
points L and N
• points M and N

Answers

Answer:

your answer is point g and h

The value v of your quarters in cents) is a function of n, the number of quarters you have.
a. Give 2 input-output pairs that represent this function.
b. Write an equation that represents this function.
c. Find the output when the input is 10.
d. Identify the independent and dependent variables.

Answers

Answer:

a) (2, 0.5)  (4, 1)

b) V(n) = 0.25n

c) $2.50

d) # quarters = independent

value = dependent

Step-by-step explanation:

The independent value is the number of quarters and the dependent variable is the value of cents and the  equation that represents this function is,

[tex]v(n)=25\times n\rm \;\;cents[/tex]

How to write algebraic expression?

Algebraic expression are the expression which consist the variables, coefficients of variables and constants.

The algebraic expression are used to represent the general problem in the mathematical way to solve them.

Steps to write down the simple algebraic expression-

Identify all the factors of the expression.Assume a variable for the changing values.Put a coefficient for the variable, if there is any rate of change of variable.Use constant numbers for the fixed values.

a. Give 2 input-output pairs that represent this function.

There is total 25 cent is 1 quarter. Thus, when if there are 2 quarters, then the value of cent is 50 and when there are 4 quarters, then the value of cents is 100 cents.

Hence, the two pairs should be as,

(2, 50), (4, 100)

b. Write an equation that represents this function.

As, v is the value of quarters in cents. There is total 25 cent is 1 quarter. The total quarter is n. Thus, the function can be given as,

[tex]v(n)=25\times n\rm \;\;cents[/tex]

c. Find the output when the input is 10.

Put the value 10 on the place of n in the above equation as,

[tex]v(10)=25\times (10)\\v(10)=250\rm cents[/tex]

The output when the input is 10 is 250 cents.

d. Identify the independent and dependent variables.

The independent value is the number of quarters and the dependent variable is the value of cents.

Hence, the independent value is the number of quarters and the dependent variable is the value of cents and the  equation that represents this function is,

[tex]v(n)=25\times n\rm \;\;cents[/tex]

Learn more about the algebraic expression here;

https://brainly.com/question/2164351

5 numbers :
mode = n median= n+1 mean = n+2 Range = n+3

find 2 sets of numbers

Answers

Answer:

3,3,4,6,6

4,4,5,6,7

5,5,6,6,8

Step-by-step explanation:

mode = n

median= n+1

mean = n+2

Range = n+3

let sets:

a,b,c,d,e

mode = n, at least two of them are the same and equal to n

n,n,c,d,e

median belong to the set, in ascending order:

n,n,n+1,d,e

which means d,e ≥ n+1, d≠e

mean is n+2

5(n+2)=n+n+n+1+d+e

2n+9=d+e

Assume e is the maximum:

Range is n+3:

e-n=n+3

e=2n+3

d=6≥n+1

n≤5,

Set is n,n,n+1,6,n+3

n+1≤6≤n+3

3≤n≤5

3,3,4,6,6 bimodal

4,4,5,6,7

5,5,6,6,8 bimodal

Abertura formada por dos
semi-rectas con un mismo
origen llamado vértice.

Answers

Umm I don’t know I need help to

Find uw if vw= 5/8 in

Answers

Answer:

4/8, which reduced is 1/2. Final answer!

Step-by-step explanation:

IF RIGHT PLZ GIVE BRAINLIEST

THANK U

HAVE A GREAT DAY AND BE SADE :)

XD

please help! Brainliest answer! thank you!1

Answers

Answer:

I think it's A

Step-by-step explanation:

because none of the others appear to be correct

Answer:

A. AB = CB

Step-by-step explanation:

If you compare all the lines shown, you can see that options B,C and D are all incorrect, therefore, the last remaining option, option A, is correct.

A. AB = CB

Hope this helps :)

3 and 4 guys! Please help! I suck at this

Answers

Answer

# 3 is D.(20) and #4 is D. ( The hourly rate charged by the locksmith)

Step-by-step explanation:

Hope that helped :)

Help!
Please show work

Answers

Answer:

131°

Step-by-step explanation:

to find the total degrees of this polygon, we use the equation

=> n - 2 × 180°                         (n= number of sides)

5 - 2 × 180° = 540°

now by using angle sum property,

540° = 80° + 148° + 81° + 100° + [tex]x[/tex]°

540° = 409° + [tex]x[/tex]°

[tex]x[/tex]° = 540° - 409°

[tex]x[/tex]° = 131°

20% of

games is 8 games

Answers

Answer:

games is 40

Step-by-step explanation:

you know that 20% of games is 8. let's take a look at this from a fractions view. 1/5 of 100 is 20. so if 8 is 1/5 of Games, multiply 8 x 5 to find the whole, which is 40, the answer!

Graph each pair of ordered pairs. Then find the distance between the points. Round to the nearest tenth if necessary.

Answers

Answer:

pictures

Step-by-step explanation:

20 characters 7273959272849942883292

The wheels of a car have a radius of 14 inches and are rotating at 750rmp. Find the speed of the car in mi/h

Answers

Add 750 plus 14 Answer: 764

латна монтаж на работа
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Last week Marisol made $147 for working 12 hours at the local park district. How much money will Marisol make if she works 15 hours next weeka
$152.55
$172.50
$180.00
$183.75
77051
Sklo

Answers

Answer:

$183.75

Step-by-step explanation:

divide by 12 (hours)

147/12=12.25

multiply by 15 (hours)

12.25*15=183.75

Hope this helps! :)

how do i simplify this problem?

Answers

Answer:

[tex]9x \frac{19}{4}[/tex]

Step-by-step explanation:

Given Expression:

[tex]\sqrt[4]{(3x^3)^3 times (3x^2)^5}[/tex]

Simplification:

[tex]9x\frac{19}{4}[/tex]

I need the answer please

Answers

Answer:

missing angle = 41, b. 45, c. 72

Step-by-step explanation:

A circle has 360 degrees, so add all of the existing angles

48+45+129+97 = 319 and 360-319 = 41

25/200 = 12.5% so 12.5% of 360 = .125x360 = 45

Sector 129 represents 129/360 = 35.83% so 200x.3583=72 cars

please this is quiz due in a hour ill up the points

Answers

Answer:

DE and DF are equal to 2√2

Step-by-step explanation:

According to the 45-45-90 triangle rule, the hypotenuse is equal to the legs times √2, so in order to find the legs, you have to divide 4 by √2 to get 2√2.

Find an equation for the perpendicular bisector of the line segment who’s endpoints points are (-9,3) and (1,7).

Answers

Answer:

y = 2/5x + 33/5

Step-by-step explanation:

(-9,3) and (1,7)

m=(y2-y1)/(x2-x1)

m=(7-3)/(1+9)

m=4/10

m = 2/5

y - y1 = m(x - x1)

y - 3 = 2/5(x + 9)

y - 3 = 2/5x + 18/5

y = 2/5x + 33/5

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