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Anuta_ua [19.1K]
3 years ago
6

What is the circumference of a bicycle tire of 28 inches

Mathematics
1 answer:
sasho [114]3 years ago
7 0
Here, If 28 inches is the diameter then, 
C = π * diameter
C = 3.14 * 28
C = 87.92 in

Now, If the mentioned measurement is the radius, then:
C = 2 * π * r
C = 2 * 3.14 * 28
C = 175.84 in.

Hope this helps!
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F(x) = x2 + 4x − 6
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x^2+4x-6 = x^2+4x+4-10 = (x+2)^2-10

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Find angle m and angle n
san4es73 [151]

Answer:

m∠M = 79°

m∠N = 66°

Step-by-step explanation:

∠MPN is supplementary to ∠MPQ, so m∠MPN = 35

The sum of the measures of a triangle is 180.

So, m∠M + m∠N + m∠MPN = 180

5y + 4 + 4y + 6 + 35 = 180

9y + 45 = 180

9y = 135

y = 15

m∠M = 5y + 4 = 5(15) + 4 = 75 + 4 = 79

m∠N = 4y + 6 = 4(15) + 6 = 66

Another way to do this problem, which is easier, is to know that an exterior angle of a triangle is equal to the sum of the two remote interior angles.

That means 5y + 4 + 4y + 6 = 145

                      9y + 10 = 145

                      9y = 135

                         y = 15

From knowing the value of y you can now find the measures of angles M and N

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