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maw [93]
3 years ago
10

A unicycle wheel has a diameter of 30 inches. How many inches will the unicycle travel in 5 revolutions? Use π = 3.14 and round

your answer to the nearest hundredth of an inch.
Mathematics
1 answer:
miv72 [106K]3 years ago
3 0

Answer:

471.3inches

Step-by-step explanation:

Given data

Diameter= 30in

Radius= D/2= 30/2= 15in

The circumference is the same as the distance covered in one revolution

C= 2πr

Hence the distance  covered in 5 revolutions is

C= 2*5*πr

Substitute

C=10*3.142*15

C= 471.3inches

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Drew invests $70.00. It earns 50% interest annually.
VladimirAG [237]

Step-by-step explanation:

50% interest annually.

that means he gets 50% interest of the invested capital every year.

and that means he gets 50% of $70 in one year.

70 = 100%

1% = 100%/100 = 70/100 = $0.70

50% = 1%×50 = 0.7 × 50 = $35

he will earn $35 interest in one year.

as you noticed: 50% simply means 1/2 (as 100% stands for the whole).

3 0
1 year ago
If Andre sold 16 magazine subscriptions this week, would he reach his goal? Explain your reasoning.
Alenkasestr [34]

Step-by-step explanation:

what's his goal I will give answer in comments after you tell me

5 0
2 years ago
Which equation below represents the inverse function B(a) , which takes the trapezoid's area as input and returns as output the
8090 [49]
A(b)  = 12(b + 9) / 2
12(b + 9) = 2 A(b)
b + 9 = 2 A(b) / 12  = A(b) / 6
b = A(b)
      ----- - 9
        6

B(a)   =  a              
             --  -  9
              6


It's C
5 0
3 years ago
Read 2 more answers
A fair dice is rolled.
shutvik [7]

Answer:

The probability of getting a factor of 12 on a fair dice is 5/6 or approximately 83%.

Step-by-step explanation:

Probability is expressed as a fraction where the denominator is the total number of outcomes and the numerator is the number of desired outcomes.  In this case, the desired outcome is any factor of 12.  The factors of 12 are the numbers we multiply together to get that number:  1, 2, 3, 4, 6 and 12.  Since a fair dice has the total outcomes of either 1, 2, 3, 4, 5 or 6, then the total outcomes is 6 and the possibility that we could roll the desired outcome (factor of 12) is 5, the probability is 5 out of 6 or 5/6, which when divided is approximately 83%.  

8 0
2 years ago
Help! Can someone please explain!
tankabanditka [31]

Answer:

( 3 x − 2 ) ( x − 2 ) = 0

Set  3 x − 2  equal to  0  and solve for  x .

x = 2 3

Set  x − 2  equal to  0  and solve for  x .

x = 2

The solution is the result of  3 x − 2 = 0  and  x − 2 = 0. x = 2 3 , 2

The result can be shown in multiple forms.

Exact Form: x = 2 3 , 2

Decimal Form: x = 0. ¯ 6, 2

Step-by-step explanation: There you go hope it helps

5 0
3 years ago
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