Answer:
129
Step-by-step explanation:
If three lines CD, CE and CF extend from point C, then the following addition postulate is true;
<DCE + <ECF = <DCF
If the space between line C D and C E is 75 degrees, then <DCE = 75
If the space between lines C E and C F is 54, then <ECF = 54.
Substitute the given values into the expression above will give;
<DCF =<DCE + <ECF
<DCF = 75+54
<DCF = 129
Hence the measure of <DCF is 129°
Answer:
33.33%
Step-by-step explanation:
% increase : new value - old value/old value * 100%
1200 - 900/900 * 100% (to make it easier, cut the zeros the best
you can)
300/ 9
= 33.33 or 33 1/3%

4 goes in to 405 a total of 101 times, with a remainder of 1.
101 x 4 = 404
404 + 1 = 405
Hope that helped :)
Step-by-step explanation:
1. YES
2. YES
3. YES
4. NO
this is a decimal that neither terminates nor repeats.
23, 31, 41, 53,...
First lets find the pattern.
53 - 41 = 12
41 - 31 = 10
31 - 23 = 8
Pattern = 8 + 10 + 12
53 + 8 = 61
61 + 10 = 71
71 + 12 = 83
Next 3 numbers of the sequence are 61, 71, 83.
23, 31, 41, 53, <span>61, 71, 83</span>