A bicycle wheel makes five rotations. The bicycle travels 41.87 ft. Find the diameter of the wheel in inches. Use 3.14 for pi. The diameter of the wheel is about nothing in.

Answers

Answer 1
Answer:

Answer:

The diameter is 32.04 Inches

Step-by-step explanation:

If the Bicycle makes 5 rotations and it equals 41.87 ft

Then 1 rotation around the circumference is

41.87/5 = 8.374 ft

Circumference = \pi d

8.374 = 3.14*d

Divide both sides by 3.14

d = 8.374/3.14

d = 2.67 ft

To convert feet to inches, we multiply by 12

d = 2.67*12 inches

d = 32.04 Inches

Answer 2
Answer:

Answer:

2.66687898

Step-by-step explanation:


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5y – 2x = 4 and x = 8.

Answers

Answer:

y = 4 is the correct solution.

Step-by-step explanation:

If x = 8, then we can plug this into the equation 5y – 2x = 4 to solve for y:

5y – 2(8) = 4

5y – 16 = 4

5y = 20

y = 4

Therefore, the solution to the system of equations 5y – 2x = 4 and x = 8 is y = 4.

We can check our answer by substituting y = 4 into the original equation:

5(4) – 2x = 4

20 – 2x = 4

-2x = -16

x = 8

Since x = 8 is a solution to the original equation, we can confirm that y = 4 is the correct solution.

Which of the following is not a Whole number? A) 10/2 B) 0/5 C) 6/3 D) 10/4

Answers

Answer:

option d 10/4

Step-by-step explanation:

by dividing 10 by 4 you get 2.5 which is a decimal

Whole numbers

   A whole number is a number that is either positive or zero. Fractions are not included. Some examples of whole numbers are 2, 3, 0, 122, but not 2/3.

So let's take a look at all the given options :

⇒ 10/2             (it simplifies to 5, so it's a whole number)

⇒ 0/5              (it simplifies to 0, so it's also a whole number)

⇒ 6/3              (it simplifies to 2, which is a whole number)

⇒ 10/4             (it simplifies to 5/2, which is not a whole number)

Therrefore our answer is d) 10/4

Evaluate the summation of 2 n plus 5, from n equals 1 to 12..

Answers

Given:
2n + 5

n = 1 to n = 12

2(1) + 5 = 2 + 5 = 7
2(2) + 5 = 4 + 5 = 9
2(3) + 5 = 6 + 5 = 11
2(4) + 5 = 8 + 5 = 13
2(5) + 5 = 10 + 5 = 15
2(6) + 5 = 12 + 5 = 17
2(7) + 5 = 14 + 5 = 19
2(8) + 5 = 16 + 5 = 21
2(9) + 5 = 18 + 5 = 23
2(10) + 5 = 20 + 5 = 25
2(11) + 5 = 22 + 5 = 27
2(12) + 5 = 24 + 5 = 29

Sum: 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23 + 25 + 27 + 29 = 216

Which angle measure below is not a possible measure of an exterior angle of a regular polygon?45°
36°
40°
54°

Answers

All exterior angles of a regular polygon would equal 360 degrees. SO... based on that, one exterior angle would have to multiplied by whatever sum (whole number) to equal 360 degrees to find the number of sides. Here you divide 360 by one of the exterior angles, if it does not equal a whole number then it would be inaccurate.
In this case only 54 degrees would not fit into one of the exterior angles.

Jen bought 5 CDs for $57.50 What was the unit price ?

Answers

Answer:

$11.50

Step-by-step explanation:

Use simple division

57.5/5=11.5

Answer:

$130.00

Step-by-step explanation:

What is -2+6y=18 3y=15 ?

Answers

-2+6y=18\ \ \  |add\ 2\ to\ both\ sides\n6y=20\ \ \ \ \ |divide\ both\ sides\ by\ 6\ny=(20)/(6)\n\n\boxed{y=(10)/(3)}\n---------------------\n\n3y=15\ \ \ \ \ |divide\ both\ sides\ by\ 3\n\n\boxed{y=5}
\left \{ {{-2+6y=18} \atop {3y=15}} \right.  \n +2+2 \left \{ {{6y=20} \atop {3y=15}} \right. \n /3/3 \left \{ {{6y=20} \atop {y=5}} \right.\n  /6/6 \left \{ {{y=3 (1)/(3) } \atop {y=5}} \right.