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Ilya [14]
3 years ago
9

The radius of the wheel of a bicycle is 14 inches. What is the distance, in feet, that the bicycle covers after ten full rotatio

ns of the wheels? Use π = 3.14.
Mathematics
1 answer:
GREYUIT [131]3 years ago
8 0

the circumference of a circle is C=2*pi*r

so for the tire C=2*pi*14 or 28pi

so 10 rotation would be 10 times the circumference

28pi*10=280pi or 879.65ft

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I need a little extra help with number three
diamong [38]

Answer:

The answer to your question is:

Step-by-step explanation:

Data

f(x) = -2x² + 8x - 2

Process

                -2x² + 8x = y + 2

                -2(x² - 4x + 4) = y + 2 - 8

                -2(x - 2)² = y - 6

                    (x - 2)² = 1/2 (y - 6)

Vertex = (2, 6)

Axis of symmetry =   x = 2

y-intercept

                 f(0) = -2(0)² + 8(0) - 2

                 f(0) = 0 + 0 - 2

                 f(0) = -2

Domain    (-∞, ∞)

Range    (-∞, 6]

See the graph below

6 0
3 years ago
A dime and a quarter are placed on one side of a balance scale. A half-dollar is placed on the other side. Which side of the sca
kirill115 [55]

Answer:

It would have to be 25 dimes

Step-by-step explanation:

4 0
2 years ago
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Which property of equality is represented? If 4x = 16, then 16 = 4x.
Komok [63]

Answer:

Commutative Property of Multiplication.

7 0
3 years ago
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Please help!! I don't know what to do :(
elena55 [62]

Yo sup??

This question can be solved by applying the properties of similar triangles

the triangle with sides 5x and 20 is similar to the triangle with sides 45 and 36

therefore we can say

5x/45=20/36

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Hope this helps

8 0
3 years ago
Help me help me answer this
Leya [2.2K]

If both triangles are congruent (that's what the sign means), then AD=CB, and CD=AB. Substituting what we are given into CD=AB,


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Solving the equation:

3x=15

x=5

So we know that 2x+4 (the value of AD) becomes 2*5 +4, and you get 14. Since we know that AD=CB, then CB is also 14. No need to find y!

Answer: CB=14

8 0
3 years ago
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