Answer:20
Step-by-step explanation: Add all the marbles up = 100 divided by 2 = 50 so then divide the purple marble by 2 =20.
Answer:
95 degrees
Step-by-step explanation:
in a triangle angles add up to 180 degrees.
a + b + c = 180
30 + 45 + c = 180
85 + c = 180
c= 180 - 85
c= <u>95 degrees</u>
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Answer:
1 time
Step-by-step explanation:
just once. dividing by 10 moves the decimal over 1 spot
Answer:
4x+11
Step-by-step explanation:
Answer:
Step-by-step explanation: