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zysi [14]
3 years ago
8

Find the circumference of a circle that has a radius of 21 inches. How do you do this

Mathematics
1 answer:
Charra [1.4K]3 years ago
5 0

Answer:

it is 27

Step-by-step explanation:

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Find x. Round your answer to the nearest tenth of a degree.
Y_Kistochka [10]

Answer:

x ≈ 42.5

Step-by-step explanation:

We use tan∅ to solve this:

tanx° = 11/12

x° = tan^{-1}(11/12)

x = 42.5104°

3 0
3 years ago
**22 POINTS** Please solve this fraction as a difference
Ghella [55]

Answer:

\dfrac{x}{4}-\dfrac{7}{12}

Step-by-step explanation:

The fraction is the equivalent of ...

\dfrac{1}{12}{(3x-7)

and the distributive property applies.

=\dfrac{1}{12}(3x)-\dfrac{1}{12}(7)\\\\=\dfrac{3\cdot x}{3\cdot 4}-\dfrac{7}{12}\\\\=\dfrac{x}{4}-\dfrac{7}{12}

3 0
3 years ago
hat is the approximate distance between Portland, Oregon (45° north, 122° west), and San Francisco, California (37° north, 122°
juin [17]
<span>Since both places are on the same longitude (122° west) and different lattitudes 45° north and 37° north, the distance between the two place lies on a great circle (along a line of longitude). Difference in latitudes = 45 - 37 = 8° (subtract the lattitudes because both sides are on the same side in the latitude i.e. both are north) The distance between two points along the line of longitude is given by theta / 360 x 2 x pi x R: where theta = 8° and R is the radius of the earth = 3,960 miles. d = 8 / 360 x 2 x pi x 3960 = 552.9 miles</span>
8 0
3 years ago
What GCF can be factored out of the trinomial?
ipn [44]

Answer:

hahahaha bcjapfpcwkcncidj

Step-by-step explanation:

kdbcowkshxiwjs

4 0
2 years ago
A mechanic gave a parts store a deposit of $25 toward the purchase of a part costing $89.95. How much does the mechanic still ow
Hunter-Best [27]

Answer:

25-89.95=64.95

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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