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Nezavi [6.7K]
3 years ago
6

Calculate the radius of a circle if it’s circumference is 37.7cm

Mathematics
1 answer:
Eddi Din [679]3 years ago
4 0
Circumference = 2\pir

Solve for r.

2\pir = 37.7
Divide both sides by 2.

\pir = 18.85
Divide both sides by \pi.

r = 6

The radius is 6 cm.
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storchak [24]

Answer:

16.9°

Step-by-step explanation:

tan x = 1.7/5.6

tan^-1 x = 16.9°

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3 years ago
1. what is the exact demical value of 225/16?<br> 2. what is the exact decimal value of 77/12?
SOVA2 [1]

Answer:

14.0625 = \frac{225}{16}

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Hope that this helps!

7 0
2 years ago
Which out of the options is correct? Merci!
AysviL [449]

Answer:

C

Step-by-step explanation:

The answer is C because 1 * 2 = 2, 2 * 2 = 4, and 4 * 2 = 8.

8 0
3 years ago
The park is 6 mi due east of Freeport High School, and the library is 4 mi due west of the school. The police department is loca
AURORKA [14]
The answer is 6.7 mi.

Since the right triangle is present, to calculate this we will use the Pythagorean theorem. According to the Pythagorean theorem, the square of the hypotenuse (c²) is equal to the sum of the squares of two other sides (a² + b²)<span>:
c</span>² = a² + b²<span>

First, we need to express symbols:
b - side of the right triangle (distance </span><span>between police department and Freeport High School).
a1 - </span>side of the first right triangle (distance between library and Freeport High School).<span>
a2 - </span><span>side of the second right triangle (distance between park and Freeport High School).
c1 - hypotenuse of the first triangle (distance between </span>police<span> department and library).
c2 - </span>hypotenuse of the second triangle (distance between police<span> department and park).

Therefore, we need to calculate c2.
It is given:
a2 = 6 mi
a1 = 4 mi
c1 = 5 mi

First, let's calculate b, which is a common side for two triangles:
</span>c1<span>² = a1² + b²
</span>b² = c1<span>² - a1²
</span>b² = 5<span>² - 4²
</span>b² = 25<span> - 16
</span>b² = 9
√b² = √9
b = 3.

We know b, now we can calculate c2:
c2<span>² = a2² + b²
</span>c2<span>² = 6² + 3²
</span>c2<span>² = 36 + 9
</span>c2<span>² = 45
</span>√c2<span>² = </span>√45
c2 = 6.7

The distance between police department and park is 6.7 miles.

3 0
3 years ago
15:3 in its simplest form
irina1246 [14]

Answer:

5/1 or just 5

Step-by-step explanation:

rigtht 15:3 as 15/3 and then cancel 15 and three (3x1=3 and 3x5=15)

4 0
2 years ago
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