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Alex Ar [27]
3 years ago
10

What is the arc length of AB?

Mathematics
1 answer:
Airida [17]3 years ago
4 0

Answer:

Length of the given arc AB = 7.33 in.

Step-by-step explanation:

Formula to calculate the arc length is,

Arc length = \frac{\theta}{360}(2\pi r)

Where θ is the measure of central angle subtended by the arc.

And 'r' = radius of the circle

By substituting the values given in the formula,

Length of arc AB = \frac{60}{360}\times (2\pi )\times (7)

                            = \frac{14\pi}{6}

                            = \frac{7\pi}{3}

                            = 7.33 in.

Therefore, length of the given arc AB = 7.33 in.

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4 x 1,151.65 = 4,606.60 
<span>This is invested in two accounts. Twenty-five percent is invested in savings (4,606.60 x 25% = 1,151.65). The remainder is invested in a CD (4,606.60 - 1,151.65 = 3,454.95) </span>

<span>Interest accrued for savings. *Note: The interest rates given are for a full year, but you want to calculate interest for only 60 days. </span>
<span>1,151.65 x 0.033 x 60/360 = $6.33 </span>
<span>Interest accrued for CD </span>
<span>3,454,95 x 0.043 x 60/360 = $24.76 </span>
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<span>Note: 0.033 and 0.043 = 3.3% and 4.3%. Also, the 360 day year is normally used when doing these types of problems.</span>
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Answer:

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