0.329 is a rational number because the decimal stops. If it had continued on and on with no particular pattern, it would have been irrational. It can be a fraction too (329/1000)...
127.5 is a rational number because again the decimal ends. It can also be converted into a fraction which is another sign that it is rational (127 1/2)...
-89 is a rational number because negatives are rational numbers. It is also in the category of an integer, which means that is a rational number also...
The last one is a non-perfect square, which means no number squared could ever give you 101. When you solve for it, it is also a non-terminating decimal.
43) ang 1 = ang 2
5x = 9(x-4)
5x = 9x - 36
4x = 36
x = 9. so ang 1 + ang 2 = 90°
44) ang 1 +ang 2 + ang 3 = 180
60 + 7x+1 + 9x+7 = 180
16x = 112
x = 7
so angle 2 is 7*7+1= 50°
angle 3 is 9*7+7= 70°
45) let ang 2=x, then ang 1 is 3x
then 3x+x=96
4x = 96
x=24
angle 2 is 24° and angle 1 is 72°
If y is equal to 2 then you can find x by putting 2 for y so you will have:
2x + 8(2) = 20
2x + 16 = 20
2x = 20 - 16
2x = 4
x = 4/2
x=2 :)))
i hope this is helpful
have a nice day
Answer:
AB =7 and CD = 7
BC =4 and AD =4
Step-by-step explanation:
A( 1,3)
B (1,10)
C (5,10)
D (5,3)
As we can see in the graph, the AB = CD and BC = AD
AB = the distance between the y points since the x values are the same
AB = 10-3 = 7
AB =7 and CD = 7
BC = the distance between the x points since the y values are the same
BC = 5-1 =4
BC =4 and AD =4
The answer would be 815.76 because you look at the number next ti the hundredths place. If it is 5 or higher then round up. 4 or lower than round down
