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Sergeu [11.5K]
3 years ago
13

Choose an equation for the relationship between the measurement of the segments, angles, and arcs??

Mathematics
1 answer:
lianna [129]3 years ago
6 0
I might be wrong but wouldn't it be ab/360 (pi r^2) - 1/2 bh?
I am not positive.
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You earn a score of 86.8 on a standardized exam. Your score is 140% higher than your friend's score on the standardized exam. Wh
Kobotan [32]

Answer:

Your friend scored 62

Step-by-step explanation:

Let your friend's score = x

140/100 * x = 86.8      Starting statement

1.4x = 86.8                  % has been changed to a decimal

1.4x = 86.8/1.4             Divide by 1.4

x = 86.8/1.4

x = 62                          Answer

8 0
2 years ago
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Musya8 [376]
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8 0
3 years ago
If military time is 0145, what time is it on a regular clock
fenix001 [56]
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3 years ago
Solve 2x2 + 12x - 14 = 0 by completing the square
vovangra [49]

Answer:

<h2>x = -7 or x = 1</h2>

Step-by-step explanation:

(a+b)^2=a^2+2ab+b^2\qquad(*)\\\\\\2x^2+12x-14=0\qquad\text{divide both sides by 2}\\\\x^2+6x-7=0\qquad\text{add 7 to both sides}\\\\x^2+2(x)(3)=7\qquad\text{add}\ 3^2=9\ \text{to both sides}\\\\\underbrace{x^2+2(x)(3)+3^2}_{(*)}=7+9\\\\(x+3)^2=16\Rightarrow x+3=\pm\sqrt{16}\\\\x+3=-4\ or\ x+3=4\qquad\text{subtract 3 from both sides}\\\\x=-7\ or\ x=1

5 0
3 years ago
Given the figures are similar, calculate the perimeter of the ABCDE.
Vsevolod [243]

Let the length of side AB be $x$, then

\cfrac{x}{2}=\cfrac{12}{4}\Rightarrow4x=24\Rightarrow x=\cfrac{24}{4}=6.

Therefore, the perimeter of ABCDE is 2(12) + 2(4) + 6 = 24 + 8 + 6 = 38 in.

7 0
3 years ago
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