Two gears are connected and are rotating simultaneously. The smaller gear has a radius of 2 inches, and the larger gear has a radius of 8 inches.

What it looks like: two circles touching at one point. Larger circle has radius of 8 inches. Smaller circle has radius of 2 inches.

Part 1: What is the angle measure, in degrees and rounded to the nearest tenth, through which the larger gear has rotated when the smaller gear has made one complete rotation? Part 2: How many rotations will the smaller gear make during one complete rotation of the larger gear? Show all work.

Answers

Answer 1
The two gears are shown n the diagram below.

ω₁ and ω₂ are the angular velocities of the larger and smaller gears respectively.

Part 1.
When the smaller gear makes one revolution, it turns through an angle of 2π radians or 360°.
Because the gears do not slip, the larger gear turns through an angle of θ, so that
 (θ radians)*(8 in) = (2π radians)*(2 in)
or
8θ = 4π
θ = π/2 radians = 90°

Answer: 90.0°

Part 2.
When the larger gear makes one revolution, it turns through an angle of 2π radians.
Because the gears do not slip, the smaller gear turns through an angle φ, such that
(2 in)*(φ radians) = (8 in)*(2π radians)
or
2φ = 16π
φ = 8π radians
    = (8π radians)*(1/2π rotations/radian)
    = 4 rotations

Answer:  4 rotations
Two Gears Are Connected And Are Rotating Simultaneously. The Smaller Gear Has A Radius Of 2 Inches, And

Related Questions

Susan's penny bank is 1/4 full. After she adds 360 pennies, it is 5/8 full. How many pennies can Susan's bank hold?

Answers

576 is the answer, I think!!!  Is it multiple choice?
Since 360 pennies are added to Susan's penny bank and it ends up as being 5/8 full, we need to find out how many pennies is equivalent to 8/8 (1, or full).

We already know that 360 equals 5/8 of Susan's penny bank, so divide 360 by 8.

360 / 8 = 45

Then, multiply 45 by 3 in order to find how many pennies is equivalent to 3/8 of the penny bank.

45 x 3 = 135

After that, add 360 to 135, which is theoretically the same as 5/8 + 3/8.

360 + 135 = 495

5/8 + 3/8 = 8/8 or 1

Therefore, Susan's penny bank can hold 495 pennies in total.






P.S. This may not be your preferred method of solving this problem, but this is certainly one of the ways of understanding them. -AM



Plants A birch tree grew 2.5 inches in five months. A bean plant grew 8 inches in 10 months. It rosebush grew 5 inches in eight months. Which grew faster?

Answers

Birch:
2.5in/5mo=.5in/mo
Bean:
8in/10mo=.8in/mo
Rosebush:
5in/8mo=.625in/mo

Bean

Answer:

Bean plant grew faster .

Step-by-step explanation:

As given

Plants A birch tree grew 2.5 inches in five months.

i.e 2.5 inches = 5 months

Now calculate birch tree in one month .

[tex]Birch\ tree\ grew\ in\ one\ month = \frac{2.5}{5}[/tex]

                                                               = 0.5 inches

As given

A bean plant grew 8 inches in 10 months.

i.e 8 inches = 10 months

Now calculate bean plant in one month .

[tex]Bean\ plant\ grew\ in\ one\ month = \frac{8}{10}[/tex]

                                                                = 0.8 inches

As given

It rosebush grew 5 inches in eight months.

i.e 5 inches = 8 months

Now calculate rosebush in one month .

[tex]Bean\ rosebush\ in\ one\ month = \frac{5}{8}[/tex]

                                                                = 0.63 inches (Approx)

Therefore Bean plant grew faster .

Jose heard a song on the radio as he was flipping between stations. He immediately remembered that his brother, Juan, played that piece on his guitar. Jose's response was _____ .emotional physical intellectual none of the above

Answers

Jose's response was emotional because it triggered him to reminisce the scenario that had happened before with the use of an instrument. In triggering such events, emotions or feelings is involved, in order for a person to remember or trigger such memories.

Answer:

Option C, Intellectual Response

Step-by-step explanation:

Intellectual response comes after intellectual thinking which includes deep , intensive and focused thinking in a certain direction. In this case, Jose after hearing a song on radio remembers that his brother used to play the same song on guitar. This is an intellectual response as after listening the song Jose's brain must have evaluated the past interactions associated with this song and hence after the evaluation he comes to know that he had heard the same song in past when his brother played it on his guitar.

Thus, option C is correct.

Find the length of the segment then find the coordinates of the midpoint of the segment

Answers

look for the middle of the coordinate plane

The length of a rectangular garden is 7 feet longer than its width. The perimeter of the garden is 38 feet. Find the width and length of the garden

Answers

38=2(2w+7)
19=2w+7
12=2w

w=6
l=13

Molly jogged at a rate of 6 miles per hour. what is her rate in feet per second?

Answers

1 miles = 5280 ft....so 6 miles = (6 * 5280) = 31680 ft
60 seconds in a minute.....60 minutes in an hr....(60 * 60) = 3600 seconds in an hr

31680 / 3600 = 8.8 ft per second <==

Answer: the correct answer would be 8.8 ft/s

If a line is perpendicular to another, and one slope is -2, what is the slope of the other line

Answers

The function for a perpendicular line is -1/(slope). Since the slope is -2, we have -1/-2=1/2

If u(x)=-2x^2+3 and v(x)=1/x,what is the range of (uov)(x) ?

Answers

The range of the composition is:

R (-∞, 3)

How to find the range?

We have the functions:

u(x) = -2x² + 3

v(x) = 1/x

The composition gives:

(u o v)(x) = -2*v(x)² + 3

(u o v)(x) = -2(1/x)² + 3

Now, as x tends to infinity, the first term tends to zero (because the denominator is to large) then the function has an upper bound at 3.

Then as x decreases, the function decreases, when x tends to zero, the function tends to negative infinity.

So the range is:

R (-∞, 3)

Simplify by combining like terms: -18+3(5x-2)+8=46

Answers

-18 +3(5x-2)+8=46

-18 + 15x-6 +8 = 46

-18 + 15x +2 =46

-16 +15x =46

15x = 62

x = 62/15 = 4.1333

What are the zeros of the polynomial function f(x) = x3 − x2 − 20x?

Answers

The other two zeros, which are x = 5 and x = -4.

To find the zeros of the polynomial f(x) = x³ − x² − 20x, we need to set the polynomial equal to zero and solve for x. This can be done by factoring out the common term x from each term of the polynomial:

f(x) = x(x² - x - 20) = 0

The zeros of the polynomial will be the values of x for which the product is zero. Since we already have x as one factor, one zero is x = 0. We then need to factor the quadratic, which is:

x² - x - 20

We can factor this quadratic to

(x - 5)(x + 4)

Thus, the other two zeros of the polynomial are x = 5 and x = -4.

help with question 47 please

Answers

[tex]\bf (x-y)^2\implies x^2-2xy+y^2\qquad \begin{cases} x^2=25\\ x=\sqrt{25}\\ x=5\\ -----\\ y^2=9\\ y=\sqrt{9}\\ y=3 \end{cases} \\\\\\ (25)-2(5)(3)+(9)\implies 25-30+9[/tex]

Can someone please help me. Preferably ASAP
q=
7(1-q)=-3(5+3q)

Answers

7(1-q ) = -3(5+3q) remove brackets by multiplication
7-7q = -15-9q group the like terms
-7q + 9q =-15-7
2q = -22 then divide by 2
q = -11

A pasture is twice as long as it is wide. its area is 88,200 ft2. how wide is the pasture?

Answers

If the width is w and the length is l, then 2w=l. In addition, l*w=88200 (using the area formula). Plugging 2w in for l, we get 2w*w=88200=2w^2. Dividing both sides by 2, we get w^2=44100 and w=sqrt(44100)=210. 

The width of the pasture is 210 feet.

What is the area of the rectangle?

The area of the rectangle is the product of the length and width of a given rectangle.

The area of the rectangle = length × Width

We are given that pasture is twice as long as it is wide. its area is 88,200 ft2.

If the width is w and the length is l, then the length is 2w=l.

In addition,

The area of the rectangle = length × Width

l x w=88200

Using the area formula, Plugging 2w in for l, we get ;

2w x w = 88200

88200= 2w².

Now Dividing both sides by 2, we get;

w²=44100

w= √(44100)

w =210.

Learn more about the area;

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Which expression is represented by the number line?

Answers

b is the answer
hope it helped

Answer:

3 - 5.5 +1.5

Step-by-step explanation:

LEts analyze the given number line

We always start with 0

Arrow goes 3 units to the right, so we put positive 3

from 3 , the arrow ends at -2.5. Arrow goes to the left so we subtract to find the distance. -2.5-3= -5.5

from -2.5 we add 1.5 to reach -1

So the expressio becoems 3 and then subtract 5.5 and then add 1.5

3 - 5.5 +1.5

At which angle will the hexagon rotate onto itself? 60° 90° 120° 180°

Answers

Answer:

60

Step-by-step explanation:

Answer:  The hexagon will rotate onto itself at 60°.

Step-by-step explanation:

A hexagon is a regular polygon with six sides) having all its sides and all its angles are equal.

For a regular polygon , Order of rotation of the figure = Number of sides .

i.e.  Order of rotation for hexagon = 6

Let [tex]\theta[/tex] be the angle at which hexagon rotate onto itself, then we have

[tex]\theta=360^{\circ}\ \div6=60^{\circ}[/tex]   [∵One complete rotation= [tex]360^{\circ}[/tex]]

Hence, The hexagon will rotate onto itself at 60°.

(2x-5)(4x+7) answer to this is?

Answers

the solution to the problem is 8x^2-6x-35

Which function below is the inverse of f(x)=x^2-25

Answers

f(x) = x^2-25

 inverse:

y = x^2-25

x = y^2-25

y = sqrt(5 +25)

 Answer is B

Did i get this right?

Answers

No it is C-2,-3   D-2,5  hope this helps

.help me please thank you

Answers

the first one because all the other ones are wrong


the answer is B
hope it helps

Let f ( x ) = 2 x − 1 , g ( x ) = 3 x , and h ( x ) = x ^2 + 1 , what is h ( g ( -4 ) ) ?

Answers

[tex]\bf \begin{cases} f(x)=2x-1\\ g(x)=3x\\ h(x)=x^2+1 \end{cases}\\\\ -------------------------------\\\\ g(-4)=3(-4)\implies \boxed{g(-4)=-12} \\\\\\ h(~~g(-4)~~)\implies h\left( \boxed{-12} \right)\implies h(-12)=(-12)^2+1 \\\\\\ h(-12)=144+1[/tex]

Please help!! Will mark brainliest!!


Match each function to its domain.

Answers

f(x) = sqrt(x-5) Domain: all real numbers greater or equal to 5 f(x) = 7/(x-8) Domain: all real numbers except 8 f(x) = sqrt(x) Domain: all positive real numbers and 0 f(x) = 8x Domain: all real numbers The domain of a function is the set of all numbers for which that function is valid. You have 4 functions and 4 possible domains to choose from. Let's work each one out. f(x) = sqrt(x-5) You're not allowed to take the square root of a negative number. So the domain for this function would be all values of x >= 5. That way you're taking the square root of 0 or higher. Let's see if any of your choices match that. And you have the choice "all real number greater or equal to 5" f(x) = 7/(x-8) You're not allowed to divide by 0. And the denomerator becomes 0 if x equals 8. So the domain is all real numbers except 8 which happens to be one of the choices. f(x) = sqrt(x) This is much like the 1st choice. You can't take the square root of a negative number. So the domain is all non-negative numbers. Looking at the choices, there isn't a match, but there's the choice "all positive real numbers and 0" which means the same thing. So that's the answer. f(x) = 8x I don't see anything that would make it impossible to evaluate this expression. So its' domain is all real numbers. And you have that as a choice.

Answer:

f(x) = sqrt(x-5) Domain: all real numbers greater or equal to 5 f(x) = 7/(x-8) Domain: all real numbers except 8 f(x) = sqrt(x) Domain: all positive real numbers and 0 f(x) = 8x Domain: all real numbers The domain of a function is the set of all numbers for which that function is valid.

Step-by-step explanation:

If the measures of two complimentary angles are 7x and 11x , then find x

X=5
X=10
X=22.5
X=12

Answers

as you know that sum of complementary angles equal 90°

so,

7x + 11x = 90
18x = 90
x = 90/18
x =5


so,
option A is the correct one.

Answer:

x = 5

Step-by-step explanation:

Complementary angles are two angles whose sum is 90º

So, if we have two complementary angles 7x and 11x we know that their sum is 90

We are going to write the equation and solve for x:

[tex]7x+11x=90\\18x=90\\x=90/18\\x= 5[/tex]

Therefore, x would be 5. And the angles would be 7(5) = 35º and 11(5) = 55º

Nikos sold muffins at his club's bake sale.he spent $28.50 on supplies. he sold his muffins for $0.75 each, and made a profit of $36.75. write and solve an equation to find out how many muffins nikos sold.

Answers

Divide $0.75 by $36.75? Sorry if I'm wrong, mathematics isn't my best subject.

How many photocopies can you make for $2.00 at the rate of three copies for ten cents?

Answers

Convert $2 to cents, which is 200 cents.
10 cents =3 copies
200/10 =20
20x3 =60copies

or
10 cents =3copies,
100 cents =30copies.
100 x 2 =200cents.
2x30 copies =60 copies.

or in ratio form
10cents : 3copies
multiply 20 to get 200, you need to multiply on both sides,
= 200cents : 60copies

6x equals 7-4y solve for y

Answers

The given values of x, the corresponding values of y are:

1. When x = -2, [tex]\(y = \frac{19}{4}\)[/tex]

2. When x = -1, [tex]\(y = \frac{13}{4}\)[/tex]

3. When x = 0, [tex]\(y = \frac{7}{4}\)[/tex]

Let's solve the equation [tex]\(6x = 7 - 4y\)[/tex] for y:

[tex]\[6x = 7 - 4y\][/tex]

First, isolate the term with y:

[tex]\[4y = 7 - 6x\][/tex]

Next, divide both sides by 4 to solve for y:

[tex]\[y = \frac{7 - 6x}{4}\][/tex]

Now, we can find the values of y for each given value of x:

1. For x = -2:

 [tex]\[y = \frac{7 - 6(-2)}{4} = \frac{7 + 12}{4} = \frac{19}{4}\][/tex]

2. For x = -1:

 [tex]\[y = \frac{7 - 6(-1)}{4} = \frac{7 + 6}{4} = \frac{13}{4}\][/tex]

3. For x = 0:

[tex]\[y = \frac{7 - 6(0)}{4} = \frac{7}{4}\][/tex]

Therefore, for the given values of x, the corresponding values of y are:

1. When x = -2, [tex]\(y = \frac{19}{4}\)[/tex]

2. When x = -1, [tex]\(y = \frac{13}{4}\)[/tex]

3. When x = 0, [tex]\(y = \frac{7}{4}\)[/tex]

Complete question:

Solve equation for y. Then find the value of y for each value of x.

6x = 7 - 4y; x = -2, -1, 0

Final answer:

To solve the equation 6x = 7 - 4y for y, subtract 7 from both sides and divide by -4 to isolate y.

Explanation:

To solve the equation 6x = 7 - 4y for y, we need to isolate y on one side of the equation. First, we can move the 7 to the other side by subtracting it from both sides:

6x - 7 = -4y

Next, we can divide both sides by -4 to solve for y:

y = (6x - 7) / -4

Which equation can be used to solve this problem?

Molly bought 6 packs of trading cards. Each pack cost $3. She also bought 1 pack of gum. It cost $2. How much did Molly spend altogether?

A.
6 ÷ 2 × 3 = x

B.
6 + 3 × 2 = x

C.
6 × 3 ÷ 2 = x

D.
6 × 3 + 2 = x

Answers

$12 dollars I think sorry if I got it wrong

Consider a graph of the equation y = −3x + 4. What is the y-intercept?
4
−4
3
−3

Answers

Your y-intercept is 4. In the equation y=mx+b your slope is m and y-intercept is b.

Answer:

it will be 4

Step-by-step explanation:

50 students of a certain class took a test. how many of them got a score less than 82? (1) the average score is 82. (2) the median score is 82.

Answers

32 students got less than 82.

A point on the terminal side of an angle is given. find the exact value of the indicated trigonometric function of

Answers

the terminal angle on the trigonometric 

The sum of the first 100 positive numbers?

Answers

s ( s + 1)/ 2
so The sum of the first 100 positive numbers

100(100 + 1) / 2
= 50(101)
= 5050
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