Answer:
D
Step-by-step explanation:
Angles outside a circle are half the difference of the measures of the intercepted arcs.
78 - 12 = 66
66/2 = 33
The angle is 33 degrees
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They're like terms. So it will be 7g as you plus the co-efficient together and you 7 and the g you add it to it.
Answer:B
Step-by-step explanation:
4x2 =121
4x2-121=0
using the general formula
[-b( +/-) √b2-4ac]/2a
a=4, b= 0, c=-121
x= [0 ( +/-)√02-(4*4*-121)]/2.4
= ( +/-)√1936)/8 = ( +/-)5.5
x =5.5
x = -5.5
Answer:
Step-by-step explanation:
First we must find the missing number, for that we apply a simple rule of three:
3. 4
27 ------ x
x = 27 (4) / 3 = 36
Now we just do the sum:
27 + 36 = 63
