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JulijaS [17]
4 years ago
14

What is the value of a? 27.5 45 90 50

Mathematics
2 answers:
Valentin [98]4 years ago
7 0
90. The measure of an inscribed angle is half of that of the measure of its arc, and the measure of the angle corresponding with arc a is 45. 45*2 is 90, so 90 is the measure of arc a.
weeeeeb [17]4 years ago
6 0

Answer: 90

Step-by-step explanation:

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Help please. (right now i’m just filling in for the 20 characters it’s not relevant to the question)
suter [353]

Answer:

9

Step-by-step explanation:

We're using the Pythagorean theorem here since it's a right triangle.

a^2 (side) + b^2 (side) = c^2 (hypotenuse)

12 = a

x = b

15 = c

12^2 + b^2 = 15^2

144 + b^2 = 225

- 144             - 144 (subtracting 144 from both sides to isolate b)

b^2 = 81

\sqrt{b^2} = \sqrt{81} (getting rid of the exponent by squaring both sides)

b = 9

x = 9

8 0
3 years ago
a photograph that measures 20 cm by 15 cm is enlarged so that its length becomes 28 cm. what does the width become?
NemiM [27]
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8 0
3 years ago
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a clown needed 275 ballons for a party. the ballons only came in two pack. how many packs of ballons would he need?
MA_775_DIABLO [31]
If i understood your question right you are asking if a clown needs 275 balloons but there is only 2 balloons per pack. you would need 137.5 packs but you'd probably round up to 138.

Hope that helps 
5 0
3 years ago
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The youngest child in a family is 6 years old. The oldest
levacccp [35]
If the youngest is 6 and the oldest is 35 then the range equals 6 to 35.
7 0
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ra1l [238]

Answer:

15

Step-by-step explanation:

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Then you add 4.5 and 4.5 and 3 and 3 to get you 15

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3 years ago
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